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Monday, Dec 08, 2025 11:49:40

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Small Craft Advisory 0118
Issued by the Gaylord Forecast Office

Action Issued Starts Expiration
New 2025-12-02 01:46:40 2025-12-02 18:00:00 2025-12-03 18:00:00
New 2025-12-02 01:46:40 2025-12-02 21:00:00 2025-12-03 18:00:00
New 2025-12-02 01:46:40 2025-12-02 18:00:00 2025-12-03 18:00:00
Continued 2025-12-02 09:30:44 2025-12-02 18:00:00 2025-12-03 18:00:00
Continued 2025-12-02 09:30:44 2025-12-02 18:00:00 2025-12-03 18:00:00
Continued 2025-12-02 09:30:44 2025-12-02 21:00:00 2025-12-03 18:00:00
Continued 2025-12-02 13:38:51 2025-12-02 18:00:00 2025-12-03 18:00:00
Continued 2025-12-02 13:38:51 2025-12-02 18:00:00 2025-12-03 18:00:00
Continued 2025-12-02 13:38:51 2025-12-02 21:00:00 2025-12-03 18:00:00
Time Extended 2025-12-02 22:15:34 2025-12-04 12:00:00
Time Extended 2025-12-02 22:15:34 2025-12-04 12:00:00
Time Extended 2025-12-02 22:15:34 2025-12-04 12:00:00
Time and Area Extended 2025-12-02 22:15:34 2025-12-04 12:00:00
Continued 2025-12-03 01:58:39 2025-12-04 12:00:00
Continued 2025-12-03 01:58:39 2025-12-04 12:00:00
Continued 2025-12-03 01:58:39 2025-12-04 12:00:00
Continued 2025-12-03 09:45:45 2025-12-04 12:00:00
Continued 2025-12-03 09:45:45 2025-12-04 12:00:00
Continued 2025-12-03 09:45:45 2025-12-04 12:00:00
Continued 2025-12-03 13:39:21 2025-12-04 12:00:00
Continued 2025-12-03 13:39:21 2025-12-04 12:00:00
Continued 2025-12-03 13:39:21 2025-12-04 12:00:00
Continued 2025-12-03 22:39:05 2025-12-04 12:00:00
Continued 2025-12-03 22:39:05 2025-12-04 12:00:00
Continued 2025-12-03 22:39:05 2025-12-04 12:00:00
Continued 2025-12-04 01:51:51 2025-12-04 12:00:00
Continued 2025-12-04 01:51:51 2025-12-04 12:00:00
Continued 2025-12-04 01:51:51 2025-12-04 12:00:00
Cancelled 2025-12-04 10:31:50 2025-12-04 12:00:00
Cancelled 2025-12-04 10:31:50 2025-12-04 12:00:00
Time Extended 2025-12-04 10:31:50 2025-12-04 16:00:00
Cancelled 2025-12-04 15:10:28 2025-12-04 16:00:00
Time Extended 2025-12-04 15:10:28 2025-12-06 04:00:00
Time and Area Extended 2025-12-04 15:10:28 2025-12-05 16:00:00
Cancelled 2025-12-04 15:10:28 2025-12-04 16:00:00
Time Extended 2025-12-04 15:10:28 2025-12-05 16:00:00
Continued 2025-12-04 20:56:37 2025-12-06 04:00:00
Continued 2025-12-04 20:56:37 2025-12-05 16:00:00
Continued 2025-12-05 02:17:45 2025-12-05 16:00:00
Continued 2025-12-05 02:17:45 2025-12-06 04:00:00
Time Extended 2025-12-05 10:11:47 2025-12-06 15:00:00
Time and Area Extended 2025-12-05 10:11:47 2025-12-06 15:00:00
Continued 2025-12-05 10:11:47 2025-12-06 04:00:00
Time and Area Extended 2025-12-05 10:11:47 2025-12-06 15:00:00
Time and Area Extended 2025-12-05 10:11:47 2025-12-06 03:00:00 2025-12-06 15:00:00
Continued 2025-12-05 13:04:36 2025-12-06 03:00:00 2025-12-06 15:00:00
Continued 2025-12-05 13:04:36 2025-12-06 04:00:00
Continued 2025-12-05 13:04:36 2025-12-06 15:00:00
Continued 2025-12-05 13:04:36 2025-12-06 15:00:00
Continued 2025-12-05 21:12:32 2025-12-06 15:00:00
Continued 2025-12-05 21:12:32 2025-12-06 15:00:00
Continued 2025-12-05 21:12:32 2025-12-06 03:00:00 2025-12-06 15:00:00
Continued 2025-12-05 21:12:32 2025-12-06 04:00:00
Continued 2025-12-05 23:13:43 2025-12-06 15:00:00
Continued 2025-12-05 23:13:43 2025-12-06 04:00:00
Continued 2025-12-05 23:13:43 2025-12-06 03:00:00 2025-12-06 15:00:00
Continued 2025-12-05 23:13:43 2025-12-06 15:00:00
Continued 2025-12-06 10:00:45 2025-12-06 15:00:00
Continued 2025-12-06 10:00:45 2025-12-06 15:00:00
Continued 2025-12-06 10:00:45 2025-12-06 15:00:00
Cancelled 2025-12-06 13:34:51 2025-12-06 15:00:00
Time Extended 2025-12-06 13:34:51 2025-12-06 18:00:00
Time Extended 2025-12-06 13:34:51 2025-12-06 18:00:00


Action: New
Issued At: 2025-12-02 01:46:40

409 
WHUS73 KAPX 020746
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
246 AM EST Tue Dec 2 2025

LMZ323-341-342-344>346-021600-
/O.NEW.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
246 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 PM
EST WEDNESDAY...

* WHAT...Highest gusts up to 35 kts from the west and highest 
  waves around 8 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...From 7 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-021600-
/O.NEW.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
246 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 PM
EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 8 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 7 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-021600-
/O.NEW.KAPX.SC.Y.0118.251203T0300Z-251204T0000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
246 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 7 PM
EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...From 10 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: New
Issued At: 2025-12-02 01:46:40

409 
WHUS73 KAPX 020746
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
246 AM EST Tue Dec 2 2025

LMZ323-341-342-344>346-021600-
/O.NEW.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
246 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 PM
EST WEDNESDAY...

* WHAT...Highest gusts up to 35 kts from the west and highest 
  waves around 8 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...From 7 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-021600-
/O.NEW.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
246 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 PM
EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 8 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 7 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-021600-
/O.NEW.KAPX.SC.Y.0118.251203T0300Z-251204T0000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
246 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 7 PM
EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...From 10 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: New
Issued At: 2025-12-02 01:46:40

409 
WHUS73 KAPX 020746
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
246 AM EST Tue Dec 2 2025

LMZ323-341-342-344>346-021600-
/O.NEW.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
246 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 PM
EST WEDNESDAY...

* WHAT...Highest gusts up to 35 kts from the west and highest 
  waves around 8 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...From 7 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-021600-
/O.NEW.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
246 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 PM
EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 8 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 7 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-021600-
/O.NEW.KAPX.SC.Y.0118.251203T0300Z-251204T0000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
246 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 7 PM
EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...From 10 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-02 09:30:44

137 
WHUS73 KAPX 021530
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1030 AM EST Tue Dec 2 2025

LMZ323-341-342-344>346-022345-
/O.CON.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1030 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 PM EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 8 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...From 7 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-022345-
/O.CON.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1030 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 PM EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 8 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 7 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-022345-
/O.CON.KAPX.SC.Y.0118.251203T0300Z-251204T0000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1030 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 7 PM EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...From 10 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-02 09:30:44

137 
WHUS73 KAPX 021530
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1030 AM EST Tue Dec 2 2025

LMZ323-341-342-344>346-022345-
/O.CON.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1030 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 PM EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 8 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...From 7 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-022345-
/O.CON.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1030 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 PM EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 8 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 7 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-022345-
/O.CON.KAPX.SC.Y.0118.251203T0300Z-251204T0000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1030 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 7 PM EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...From 10 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-02 09:30:44

137 
WHUS73 KAPX 021530
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1030 AM EST Tue Dec 2 2025

LMZ323-341-342-344>346-022345-
/O.CON.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1030 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 PM EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 8 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...From 7 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-022345-
/O.CON.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1030 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 PM EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 8 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 7 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-022345-
/O.CON.KAPX.SC.Y.0118.251203T0300Z-251204T0000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1030 AM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 7 PM EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...From 10 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-02 13:38:51

582 
WHUS73 KAPX 021938
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
238 PM EST Tue Dec 2 2025

LMZ323-341-342-344>346-030530-
/O.CON.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
238 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 PM EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 8 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...From 7 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-030530-
/O.CON.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
238 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 PM EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 9 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 7 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-030530-
/O.CON.KAPX.SC.Y.0118.251203T0300Z-251204T0000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
238 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 7 PM EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...From 10 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-02 13:38:51

582 
WHUS73 KAPX 021938
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
238 PM EST Tue Dec 2 2025

LMZ323-341-342-344>346-030530-
/O.CON.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
238 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 PM EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 8 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...From 7 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-030530-
/O.CON.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
238 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 PM EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 9 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 7 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-030530-
/O.CON.KAPX.SC.Y.0118.251203T0300Z-251204T0000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
238 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 7 PM EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...From 10 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-02 13:38:51

582 
WHUS73 KAPX 021938
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
238 PM EST Tue Dec 2 2025

LMZ323-341-342-344>346-030530-
/O.CON.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
238 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 PM EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 8 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...From 7 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-030530-
/O.CON.KAPX.SC.Y.0118.251203T0000Z-251204T0000Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
238 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING
TO 7 PM EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 9 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 7 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-030530-
/O.CON.KAPX.SC.Y.0118.251203T0300Z-251204T0000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
238 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 7 PM EST WEDNESDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...From 10 PM this evening to 7 PM EST Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2025-12-02 22:15:34

836 
WHUS73 KAPX 030415
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1115 PM EST Tue Dec 2 2025

LSZ322-031415-
/O.EXB.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1115 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THURSDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 5 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ323-341-342-344>346-031415-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1115 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EST THURSDAY...

* WHAT...Highest gusts up to 35 kts from the west and highest 
  waves around 9 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-031415-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1115 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EST THURSDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 10 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-031415-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1115 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EST THURSDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 9 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2025-12-02 22:15:34

836 
WHUS73 KAPX 030415
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1115 PM EST Tue Dec 2 2025

LSZ322-031415-
/O.EXB.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1115 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THURSDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 5 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ323-341-342-344>346-031415-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1115 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EST THURSDAY...

* WHAT...Highest gusts up to 35 kts from the west and highest 
  waves around 9 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-031415-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1115 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EST THURSDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 10 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-031415-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1115 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EST THURSDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 9 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2025-12-02 22:15:34

836 
WHUS73 KAPX 030415
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1115 PM EST Tue Dec 2 2025

LSZ322-031415-
/O.EXB.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1115 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THURSDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 5 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ323-341-342-344>346-031415-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1115 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EST THURSDAY...

* WHAT...Highest gusts up to 35 kts from the west and highest 
  waves around 9 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-031415-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1115 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EST THURSDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 10 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-031415-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1115 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EST THURSDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 9 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time and Area Extended
Issued At: 2025-12-02 22:15:34

836 
WHUS73 KAPX 030415
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1115 PM EST Tue Dec 2 2025

LSZ322-031415-
/O.EXB.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1115 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THURSDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 5 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ323-341-342-344>346-031415-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1115 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EST THURSDAY...

* WHAT...Highest gusts up to 35 kts from the west and highest 
  waves around 9 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-031415-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1115 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EST THURSDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 10 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-031415-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1115 PM EST Tue Dec 2 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EST THURSDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 9 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-03 01:58:39

414 
WHUS73 KAPX 030758
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
258 AM EST Wed Dec 3 2025

LMZ323-341-342-344>346-032030-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
/O.NEW.KAPX.GL.A.0018.251205T0300Z-251205T1200Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
258 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...
...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
MORNING...

* WHAT...For the Small Craft Advisory, Highest gusts up to 30 kts
  from the northwest and highest waves around 9 feet. For the 
  Gale Watch, Highest gusts up to 40 kts from the southwest and 
  highest waves around 12 feet possible.

* WHERE...Portions of Lake Michigan. 

* WHEN...For the Small Craft Advisory, until 1 PM EST Thursday. 
  For the Gale Watch, from Thursday evening through Friday 
  morning.

* IMPACTS...Strong winds can cause hazardous highest waves which
  could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and highest
waves.

&&

$$

LSZ321-322-032030-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
258 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 10 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-032030-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
258 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 9 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-03 01:58:39

414 
WHUS73 KAPX 030758
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
258 AM EST Wed Dec 3 2025

LMZ323-341-342-344>346-032030-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
/O.NEW.KAPX.GL.A.0018.251205T0300Z-251205T1200Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
258 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...
...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
MORNING...

* WHAT...For the Small Craft Advisory, Highest gusts up to 30 kts
  from the northwest and highest waves around 9 feet. For the 
  Gale Watch, Highest gusts up to 40 kts from the southwest and 
  highest waves around 12 feet possible.

* WHERE...Portions of Lake Michigan. 

* WHEN...For the Small Craft Advisory, until 1 PM EST Thursday. 
  For the Gale Watch, from Thursday evening through Friday 
  morning.

* IMPACTS...Strong winds can cause hazardous highest waves which
  could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and highest
waves.

&&

$$

LSZ321-322-032030-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
258 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 10 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-032030-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
258 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 9 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-03 01:58:39

414 
WHUS73 KAPX 030758
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
258 AM EST Wed Dec 3 2025

LMZ323-341-342-344>346-032030-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
/O.NEW.KAPX.GL.A.0018.251205T0300Z-251205T1200Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
258 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...
...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
MORNING...

* WHAT...For the Small Craft Advisory, Highest gusts up to 30 kts
  from the northwest and highest waves around 9 feet. For the 
  Gale Watch, Highest gusts up to 40 kts from the southwest and 
  highest waves around 12 feet possible.

* WHERE...Portions of Lake Michigan. 

* WHEN...For the Small Craft Advisory, until 1 PM EST Thursday. 
  For the Gale Watch, from Thursday evening through Friday 
  morning.

* IMPACTS...Strong winds can cause hazardous highest waves which
  could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and highest
waves.

&&

$$

LSZ321-322-032030-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
258 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 10 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-032030-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
258 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 9 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-03 09:45:45

621 
WHUS73 KAPX 031545
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1045 AM EST Wed Dec 3 2025

LMZ323-341-342-344>346-040045-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
/O.CON.KAPX.GL.A.0018.251205T0300Z-251205T1200Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1045 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...
...GALE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY MORNING...

* WHAT...For the Small Craft Advisory, Highest gusts up to 30 
  kts from the northwest and highest waves around 8 feet. For 
  the Gale Watch, Highest gusts up to 45 kts from the southwest 
  and highest waves around 13 feet possible.

* WHERE...Portions of Lake Michigan. 

* WHEN...For the Small Craft Advisory, until 1 PM EST Thursday. 
  For the Gale Watch, from Thursday evening through Friday 
  morning.

* IMPACTS...Strong winds can cause hazardous highest waves which 
  could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and highest
waves.

&&

$$

LSZ321-322-040045-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1045 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 10 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-040045-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1045 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 9 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-03 09:45:45

621 
WHUS73 KAPX 031545
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1045 AM EST Wed Dec 3 2025

LMZ323-341-342-344>346-040045-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
/O.CON.KAPX.GL.A.0018.251205T0300Z-251205T1200Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1045 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...
...GALE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY MORNING...

* WHAT...For the Small Craft Advisory, Highest gusts up to 30 
  kts from the northwest and highest waves around 8 feet. For 
  the Gale Watch, Highest gusts up to 45 kts from the southwest 
  and highest waves around 13 feet possible.

* WHERE...Portions of Lake Michigan. 

* WHEN...For the Small Craft Advisory, until 1 PM EST Thursday. 
  For the Gale Watch, from Thursday evening through Friday 
  morning.

* IMPACTS...Strong winds can cause hazardous highest waves which 
  could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and highest
waves.

&&

$$

LSZ321-322-040045-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1045 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 10 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-040045-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1045 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 9 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-03 09:45:45

621 
WHUS73 KAPX 031545
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1045 AM EST Wed Dec 3 2025

LMZ323-341-342-344>346-040045-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
/O.CON.KAPX.GL.A.0018.251205T0300Z-251205T1200Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1045 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...
...GALE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY MORNING...

* WHAT...For the Small Craft Advisory, Highest gusts up to 30 
  kts from the northwest and highest waves around 8 feet. For 
  the Gale Watch, Highest gusts up to 45 kts from the southwest 
  and highest waves around 13 feet possible.

* WHERE...Portions of Lake Michigan. 

* WHEN...For the Small Craft Advisory, until 1 PM EST Thursday. 
  For the Gale Watch, from Thursday evening through Friday 
  morning.

* IMPACTS...Strong winds can cause hazardous highest waves which 
  could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and highest
waves.

&&

$$

LSZ321-322-040045-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1045 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 10 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-040045-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1045 AM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 9 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-03 13:39:21

200 
WHUS73 KAPX 031938
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
238 PM EST Wed Dec 3 2025

LMZ323-341-342-344>346-040530-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
/O.UPG.KAPX.GL.A.0018.251205T0300Z-251205T1200Z/
/O.NEW.KAPX.GL.W.0032.251205T0300Z-251205T1500Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
238 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...
...GALE WARNING IN EFFECT FROM 10 PM THURSDAY TO 10 AM EST
FRIDAY...

* WHAT...For the Small Craft Advisory, Highest gusts up to 30 
  kts from the northwest and highest waves around 8 feet. For 
  the Gale Warning, Highest gusts up to 45 kts from the 
  southwest and highest waves around 13 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...For the Small Craft Advisory, until 1 PM EST Thursday. 
  For the Gale Warning, from 10 PM Thursday to 10 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-322-040530-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
238 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 10 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-040530-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
238 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 9 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-03 13:39:21

200 
WHUS73 KAPX 031938
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
238 PM EST Wed Dec 3 2025

LMZ323-341-342-344>346-040530-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
/O.UPG.KAPX.GL.A.0018.251205T0300Z-251205T1200Z/
/O.NEW.KAPX.GL.W.0032.251205T0300Z-251205T1500Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
238 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...
...GALE WARNING IN EFFECT FROM 10 PM THURSDAY TO 10 AM EST
FRIDAY...

* WHAT...For the Small Craft Advisory, Highest gusts up to 30 
  kts from the northwest and highest waves around 8 feet. For 
  the Gale Warning, Highest gusts up to 45 kts from the 
  southwest and highest waves around 13 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...For the Small Craft Advisory, until 1 PM EST Thursday. 
  For the Gale Warning, from 10 PM Thursday to 10 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-322-040530-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
238 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 10 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-040530-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
238 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 9 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-03 13:39:21

200 
WHUS73 KAPX 031938
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
238 PM EST Wed Dec 3 2025

LMZ323-341-342-344>346-040530-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
/O.UPG.KAPX.GL.A.0018.251205T0300Z-251205T1200Z/
/O.NEW.KAPX.GL.W.0032.251205T0300Z-251205T1500Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
238 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...
...GALE WARNING IN EFFECT FROM 10 PM THURSDAY TO 10 AM EST
FRIDAY...

* WHAT...For the Small Craft Advisory, Highest gusts up to 30 
  kts from the northwest and highest waves around 8 feet. For 
  the Gale Warning, Highest gusts up to 45 kts from the 
  southwest and highest waves around 13 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...For the Small Craft Advisory, until 1 PM EST Thursday. 
  For the Gale Warning, from 10 PM Thursday to 10 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-322-040530-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
238 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 10 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-040530-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
238 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 9 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-03 22:39:05

412 
WHUS73 KAPX 040438
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1138 PM EST Wed Dec 3 2025

LMZ323-341-342-344>346-041330-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
/O.CON.KAPX.GL.W.0032.251205T0300Z-251205T1500Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1138 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...
...GALE WARNING REMAINS IN EFFECT FROM 10 PM THURSDAY TO 10 AM
EST FRIDAY...

* WHAT...For the Small Craft Advisory, Highest gusts up to 35 kts
  from the northwest and highest waves around 8 feet. For the 
  Gale Warning, Highest gusts up to 40 kts from the southwest and 
  highest waves around 13 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...For the Small Craft Advisory, until 1 PM EST Thursday. 
  For the Gale Warning, from 10 PM Thursday to 10 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-322-041330-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1138 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 11 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-041330-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1138 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 9 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-03 22:39:05

412 
WHUS73 KAPX 040438
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1138 PM EST Wed Dec 3 2025

LMZ323-341-342-344>346-041330-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
/O.CON.KAPX.GL.W.0032.251205T0300Z-251205T1500Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1138 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...
...GALE WARNING REMAINS IN EFFECT FROM 10 PM THURSDAY TO 10 AM
EST FRIDAY...

* WHAT...For the Small Craft Advisory, Highest gusts up to 35 kts
  from the northwest and highest waves around 8 feet. For the 
  Gale Warning, Highest gusts up to 40 kts from the southwest and 
  highest waves around 13 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...For the Small Craft Advisory, until 1 PM EST Thursday. 
  For the Gale Warning, from 10 PM Thursday to 10 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-322-041330-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1138 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 11 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-041330-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1138 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 9 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-03 22:39:05

412 
WHUS73 KAPX 040438
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1138 PM EST Wed Dec 3 2025

LMZ323-341-342-344>346-041330-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
/O.CON.KAPX.GL.W.0032.251205T0300Z-251205T1500Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1138 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...
...GALE WARNING REMAINS IN EFFECT FROM 10 PM THURSDAY TO 10 AM
EST FRIDAY...

* WHAT...For the Small Craft Advisory, Highest gusts up to 35 kts
  from the northwest and highest waves around 8 feet. For the 
  Gale Warning, Highest gusts up to 40 kts from the southwest and 
  highest waves around 13 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...For the Small Craft Advisory, until 1 PM EST Thursday. 
  For the Gale Warning, from 10 PM Thursday to 10 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-322-041330-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1138 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 11 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-041330-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
1138 PM EST Wed Dec 3 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST
THURSDAY...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 9 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-04 01:51:51

359 
WHUS73 KAPX 040751
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
251 AM EST Thu Dec 4 2025

LMZ323-341-342-344>346-042000-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
/O.CON.KAPX.GL.W.0032.251205T0300Z-251205T1500Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
251 AM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
10 AM EST FRIDAY...

* WHAT...For the Small Craft Advisory, Highest gusts up to 35 
  kts from the northwest and highest waves around 8 feet. For 
  the Gale Warning, Highest gusts up to 40 kts from the 
  southwest and highest waves around 13 feet expected.

* WHERE...Portions of Lake Michigan.

* WHEN...For the Small Craft Advisory, until 1 PM EST Thursday. 
  For the Gale Warning, from 10 PM Thursday to 10 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-322-041800-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
251 AM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 11 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-041800-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
251 AM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 9 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-04 01:51:51

359 
WHUS73 KAPX 040751
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
251 AM EST Thu Dec 4 2025

LMZ323-341-342-344>346-042000-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
/O.CON.KAPX.GL.W.0032.251205T0300Z-251205T1500Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
251 AM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
10 AM EST FRIDAY...

* WHAT...For the Small Craft Advisory, Highest gusts up to 35 
  kts from the northwest and highest waves around 8 feet. For 
  the Gale Warning, Highest gusts up to 40 kts from the 
  southwest and highest waves around 13 feet expected.

* WHERE...Portions of Lake Michigan.

* WHEN...For the Small Craft Advisory, until 1 PM EST Thursday. 
  For the Gale Warning, from 10 PM Thursday to 10 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-322-041800-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
251 AM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 11 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-041800-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
251 AM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 9 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-04 01:51:51

359 
WHUS73 KAPX 040751
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
251 AM EST Thu Dec 4 2025

LMZ323-341-342-344>346-042000-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
/O.CON.KAPX.GL.W.0032.251205T0300Z-251205T1500Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
251 AM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
10 AM EST FRIDAY...

* WHAT...For the Small Craft Advisory, Highest gusts up to 35 
  kts from the northwest and highest waves around 8 feet. For 
  the Gale Warning, Highest gusts up to 40 kts from the 
  southwest and highest waves around 13 feet expected.

* WHERE...Portions of Lake Michigan.

* WHEN...For the Small Craft Advisory, until 1 PM EST Thursday. 
  For the Gale Warning, from 10 PM Thursday to 10 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-322-041800-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
251 AM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 11 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI and St. Marys River Point Iroquois to E. 
  Potagannissing Bay.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>349-041800-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
251 AM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 35 kts from the northwest and 
  highest waves around 9 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary and Sturgeon 
  Pt to Alabaster MI.

* WHEN...Until 1 PM EST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Cancelled
Issued At: 2025-12-04 10:31:50

019 
WHUS73 KAPX 041631
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1131 AM EST Thu Dec 4 2025

LMZ323-341-342-344>346-050045-
/O.CAN.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
/O.CON.KAPX.GL.W.0032.251205T0300Z-251205T1500Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1131 AM EST Thu Dec 4 2025

...GALE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
10 AM EST FRIDAY...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 13 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...From 10 PM this evening to 10 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ346-LSZ322-041745-
/O.CAN.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
St Ignace to False Detour Channel-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1131 AM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IS CANCELLED...

$$

LHZ345-347>349-LSZ321-042200-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251204T2200Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1131 AM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 8 feet.

* WHERE...In Lake Huron, Straits of Mackinac within 5 nm of 
  Mackinac Bridge including Mackinac Island, 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island, Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI. 
  In Lake Superior, Whitefish Bay (U. S. Portion)/Whitefish 
  Point to Point Iroquois MI.

* WHEN...Until 5 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Cancelled
Issued At: 2025-12-04 10:31:50

019 
WHUS73 KAPX 041631
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1131 AM EST Thu Dec 4 2025

LMZ323-341-342-344>346-050045-
/O.CAN.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
/O.CON.KAPX.GL.W.0032.251205T0300Z-251205T1500Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1131 AM EST Thu Dec 4 2025

...GALE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
10 AM EST FRIDAY...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 13 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...From 10 PM this evening to 10 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ346-LSZ322-041745-
/O.CAN.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
St Ignace to False Detour Channel-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1131 AM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IS CANCELLED...

$$

LHZ345-347>349-LSZ321-042200-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251204T2200Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1131 AM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 8 feet.

* WHERE...In Lake Huron, Straits of Mackinac within 5 nm of 
  Mackinac Bridge including Mackinac Island, 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island, Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI. 
  In Lake Superior, Whitefish Bay (U. S. Portion)/Whitefish 
  Point to Point Iroquois MI.

* WHEN...Until 5 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2025-12-04 10:31:50

019 
WHUS73 KAPX 041631
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1131 AM EST Thu Dec 4 2025

LMZ323-341-342-344>346-050045-
/O.CAN.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
/O.CON.KAPX.GL.W.0032.251205T0300Z-251205T1500Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1131 AM EST Thu Dec 4 2025

...GALE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
10 AM EST FRIDAY...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 13 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...From 10 PM this evening to 10 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ346-LSZ322-041745-
/O.CAN.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/
St Ignace to False Detour Channel-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1131 AM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IS CANCELLED...

$$

LHZ345-347>349-LSZ321-042200-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251204T2200Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1131 AM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 8 feet.

* WHERE...In Lake Huron, Straits of Mackinac within 5 nm of 
  Mackinac Bridge including Mackinac Island, 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island, Presque Isle Light to Sturgeon Pt MI Including Thunder 
  Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI. 
  In Lake Superior, Whitefish Bay (U. S. Portion)/Whitefish 
  Point to Point Iroquois MI.

* WHEN...Until 5 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Cancelled
Issued At: 2025-12-04 15:10:28

298 
WHUS73 KAPX 042110
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
410 PM EST Thu Dec 4 2025

LHZ345-050515-
/O.CAN.KAPX.SC.Y.0118.000000T0000Z-251204T2200Z/
/O.EXB.KAPX.GL.W.0032.251205T0300Z-251205T1600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
410 PM EST Thu Dec 4 2025

...GALE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EST
FRIDAY...

* WHAT...Highest gusts up to 35 kts from the southwest and 
  highest waves around 6 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island.

* WHEN...From 10 PM this evening to 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-050515-
/O.CAN.KAPX.SC.Y.0118.000000T0000Z-251204T2200Z/
/O.EXB.KAPX.GL.W.0032.251205T0400Z-251205T1600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
410 PM EST Thu Dec 4 2025

...GALE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 11 AM EST
FRIDAY...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 6 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 11 PM this evening to 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LMZ323-341-342-344>346-050515-
/O.EXT.KAPX.GL.W.0032.251205T0300Z-251205T1600Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
410 PM EST Thu Dec 4 2025

...GALE WARNING NOW IN EFFECT FROM 10 PM THIS EVENING TO 11 AM
EST FRIDAY...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 13 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...From 10 PM this evening to 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ322-050515-
/O.NEW.KAPX.SC.Y.0119.251205T0400Z-251206T1600Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
410 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
11 AM EST SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...From 11 PM this evening to 11 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-050515-
/O.EXB.KAPX.SC.Y.0118.000000T0000Z-251205T2200Z/
St Ignace to False Detour Channel-
410 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EST FRIDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...St Ignace to False Detour Channel.

* WHEN...Until 5 PM EST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ347-348-050515-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251205T2200Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
410 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EST FRIDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 5 PM EST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-050515-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
410 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM EST SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 8 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

JPB


Action: Time Extended
Issued At: 2025-12-04 15:10:28

298 
WHUS73 KAPX 042110
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
410 PM EST Thu Dec 4 2025

LHZ345-050515-
/O.CAN.KAPX.SC.Y.0118.000000T0000Z-251204T2200Z/
/O.EXB.KAPX.GL.W.0032.251205T0300Z-251205T1600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
410 PM EST Thu Dec 4 2025

...GALE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EST
FRIDAY...

* WHAT...Highest gusts up to 35 kts from the southwest and 
  highest waves around 6 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island.

* WHEN...From 10 PM this evening to 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-050515-
/O.CAN.KAPX.SC.Y.0118.000000T0000Z-251204T2200Z/
/O.EXB.KAPX.GL.W.0032.251205T0400Z-251205T1600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
410 PM EST Thu Dec 4 2025

...GALE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 11 AM EST
FRIDAY...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 6 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 11 PM this evening to 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LMZ323-341-342-344>346-050515-
/O.EXT.KAPX.GL.W.0032.251205T0300Z-251205T1600Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
410 PM EST Thu Dec 4 2025

...GALE WARNING NOW IN EFFECT FROM 10 PM THIS EVENING TO 11 AM
EST FRIDAY...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 13 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...From 10 PM this evening to 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ322-050515-
/O.NEW.KAPX.SC.Y.0119.251205T0400Z-251206T1600Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
410 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
11 AM EST SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...From 11 PM this evening to 11 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-050515-
/O.EXB.KAPX.SC.Y.0118.000000T0000Z-251205T2200Z/
St Ignace to False Detour Channel-
410 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EST FRIDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...St Ignace to False Detour Channel.

* WHEN...Until 5 PM EST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ347-348-050515-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251205T2200Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
410 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EST FRIDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 5 PM EST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-050515-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
410 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM EST SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 8 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

JPB


Action: Time and Area Extended
Issued At: 2025-12-04 15:10:28

298 
WHUS73 KAPX 042110
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
410 PM EST Thu Dec 4 2025

LHZ345-050515-
/O.CAN.KAPX.SC.Y.0118.000000T0000Z-251204T2200Z/
/O.EXB.KAPX.GL.W.0032.251205T0300Z-251205T1600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
410 PM EST Thu Dec 4 2025

...GALE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EST
FRIDAY...

* WHAT...Highest gusts up to 35 kts from the southwest and 
  highest waves around 6 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island.

* WHEN...From 10 PM this evening to 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-050515-
/O.CAN.KAPX.SC.Y.0118.000000T0000Z-251204T2200Z/
/O.EXB.KAPX.GL.W.0032.251205T0400Z-251205T1600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
410 PM EST Thu Dec 4 2025

...GALE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 11 AM EST
FRIDAY...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 6 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 11 PM this evening to 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LMZ323-341-342-344>346-050515-
/O.EXT.KAPX.GL.W.0032.251205T0300Z-251205T1600Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
410 PM EST Thu Dec 4 2025

...GALE WARNING NOW IN EFFECT FROM 10 PM THIS EVENING TO 11 AM
EST FRIDAY...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 13 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...From 10 PM this evening to 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ322-050515-
/O.NEW.KAPX.SC.Y.0119.251205T0400Z-251206T1600Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
410 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
11 AM EST SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...From 11 PM this evening to 11 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-050515-
/O.EXB.KAPX.SC.Y.0118.000000T0000Z-251205T2200Z/
St Ignace to False Detour Channel-
410 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EST FRIDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...St Ignace to False Detour Channel.

* WHEN...Until 5 PM EST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ347-348-050515-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251205T2200Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
410 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EST FRIDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 5 PM EST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-050515-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
410 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM EST SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 8 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

JPB


Action: Cancelled
Issued At: 2025-12-04 15:10:28

298 
WHUS73 KAPX 042110
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
410 PM EST Thu Dec 4 2025

LHZ345-050515-
/O.CAN.KAPX.SC.Y.0118.000000T0000Z-251204T2200Z/
/O.EXB.KAPX.GL.W.0032.251205T0300Z-251205T1600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
410 PM EST Thu Dec 4 2025

...GALE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EST
FRIDAY...

* WHAT...Highest gusts up to 35 kts from the southwest and 
  highest waves around 6 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island.

* WHEN...From 10 PM this evening to 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-050515-
/O.CAN.KAPX.SC.Y.0118.000000T0000Z-251204T2200Z/
/O.EXB.KAPX.GL.W.0032.251205T0400Z-251205T1600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
410 PM EST Thu Dec 4 2025

...GALE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 11 AM EST
FRIDAY...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 6 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 11 PM this evening to 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LMZ323-341-342-344>346-050515-
/O.EXT.KAPX.GL.W.0032.251205T0300Z-251205T1600Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
410 PM EST Thu Dec 4 2025

...GALE WARNING NOW IN EFFECT FROM 10 PM THIS EVENING TO 11 AM
EST FRIDAY...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 13 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...From 10 PM this evening to 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ322-050515-
/O.NEW.KAPX.SC.Y.0119.251205T0400Z-251206T1600Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
410 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
11 AM EST SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...From 11 PM this evening to 11 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-050515-
/O.EXB.KAPX.SC.Y.0118.000000T0000Z-251205T2200Z/
St Ignace to False Detour Channel-
410 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EST FRIDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...St Ignace to False Detour Channel.

* WHEN...Until 5 PM EST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ347-348-050515-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251205T2200Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
410 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EST FRIDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 5 PM EST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-050515-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
410 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM EST SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 8 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

JPB


Action: Time Extended
Issued At: 2025-12-04 15:10:28

298 
WHUS73 KAPX 042110
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
410 PM EST Thu Dec 4 2025

LHZ345-050515-
/O.CAN.KAPX.SC.Y.0118.000000T0000Z-251204T2200Z/
/O.EXB.KAPX.GL.W.0032.251205T0300Z-251205T1600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
410 PM EST Thu Dec 4 2025

...GALE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 11 AM EST
FRIDAY...

* WHAT...Highest gusts up to 35 kts from the southwest and 
  highest waves around 6 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island.

* WHEN...From 10 PM this evening to 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-050515-
/O.CAN.KAPX.SC.Y.0118.000000T0000Z-251204T2200Z/
/O.EXB.KAPX.GL.W.0032.251205T0400Z-251205T1600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
410 PM EST Thu Dec 4 2025

...GALE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 11 AM EST
FRIDAY...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 6 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 11 PM this evening to 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LMZ323-341-342-344>346-050515-
/O.EXT.KAPX.GL.W.0032.251205T0300Z-251205T1600Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
410 PM EST Thu Dec 4 2025

...GALE WARNING NOW IN EFFECT FROM 10 PM THIS EVENING TO 11 AM
EST FRIDAY...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 13 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...From 10 PM this evening to 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ322-050515-
/O.NEW.KAPX.SC.Y.0119.251205T0400Z-251206T1600Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
410 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
11 AM EST SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...From 11 PM this evening to 11 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346-050515-
/O.EXB.KAPX.SC.Y.0118.000000T0000Z-251205T2200Z/
St Ignace to False Detour Channel-
410 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EST FRIDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...St Ignace to False Detour Channel.

* WHEN...Until 5 PM EST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ347-348-050515-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251205T2200Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
410 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EST FRIDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI 
  including Bois Blanc Island and Presque Isle Light to Sturgeon 
  Pt MI Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 5 PM EST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-050515-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
410 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM EST SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 8 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

JPB


Action: Continued
Issued At: 2025-12-04 20:56:37

942 
WHUS73 KAPX 050256
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
956 PM EST Thu Dec 4 2025

LMZ323-341-342-344>346-051100-
/O.CON.KAPX.GL.W.0032.251205T0300Z-251205T1600Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
956 PM EST Thu Dec 4 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 11 AM EST FRIDAY...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 13 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ345-051100-
/O.CON.KAPX.GL.W.0032.251205T0300Z-251205T1600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
956 PM EST Thu Dec 4 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 11 AM EST FRIDAY...

* WHAT...Highest gusts up to 35 kts from the southwest and 
  highest waves around 6 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island.

* WHEN...Until 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-051100-
/O.CON.KAPX.GL.W.0032.251205T0400Z-251205T1600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
956 PM EST Thu Dec 4 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 11 AM EST FRIDAY...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 6 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...Until 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ346>348-051100-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251205T2200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
956 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST FRIDAY...

* WHAT...Highest gusts up to 35 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...St Ignace to False Detour Channel, 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island and Presque Isle Light to Sturgeon Pt MI Including 
  Thunder Bay National Marine Sanctuary.

* WHEN...Until 5 PM EST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-051100-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
956 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 8 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-051100-
/O.CON.KAPX.SC.Y.0119.251205T0400Z-251206T1600Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
956 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST
SATURDAY...

* WHAT...Highest gusts up to 35 kts from the southwest and 
  highest waves around 4 feet expected.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 11 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-04 20:56:37

942 
WHUS73 KAPX 050256
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
956 PM EST Thu Dec 4 2025

LMZ323-341-342-344>346-051100-
/O.CON.KAPX.GL.W.0032.251205T0300Z-251205T1600Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
956 PM EST Thu Dec 4 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 11 AM EST FRIDAY...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 13 feet expected.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ345-051100-
/O.CON.KAPX.GL.W.0032.251205T0300Z-251205T1600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
956 PM EST Thu Dec 4 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 11 AM EST FRIDAY...

* WHAT...Highest gusts up to 35 kts from the southwest and 
  highest waves around 6 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island.

* WHEN...Until 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-051100-
/O.CON.KAPX.GL.W.0032.251205T0400Z-251205T1600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
956 PM EST Thu Dec 4 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 11 AM EST FRIDAY...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 6 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...Until 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ346>348-051100-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251205T2200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
956 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST FRIDAY...

* WHAT...Highest gusts up to 35 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...St Ignace to False Detour Channel, 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island and Presque Isle Light to Sturgeon Pt MI Including 
  Thunder Bay National Marine Sanctuary.

* WHEN...Until 5 PM EST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-051100-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
956 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 8 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-051100-
/O.CON.KAPX.SC.Y.0119.251205T0400Z-251206T1600Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
956 PM EST Thu Dec 4 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST
SATURDAY...

* WHAT...Highest gusts up to 35 kts from the southwest and 
  highest waves around 4 feet expected.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 11 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-05 02:17:45

034 
WHUS73 KAPX 050817
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
317 AM EST Fri Dec 5 2025

LMZ323-341-342-344>346-051600-
/O.CON.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
317 AM EST Fri Dec 5 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 13 feet expected.

* WHERE...Portions of Lake Michigan.

* WHEN...Until 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ345-051600-
/O.CON.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
317 AM EST Fri Dec 5 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 6 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island.

* WHEN...Until 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-051600-
/O.CON.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
317 AM EST Fri Dec 5 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 6 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...Until 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ346>348-051630-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251205T2200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
317 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...St Ignace to False Detour Channel, 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island and Presque Isle Light to Sturgeon Pt MI Including 
  Thunder Bay National Marine Sanctuary.

* WHEN...Until 5 PM EST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-051630-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
317 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 8 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-051630-
/O.CON.KAPX.SC.Y.0119.000000T0000Z-251206T1600Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
317 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 4 feet expected.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 11 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-05 02:17:45

034 
WHUS73 KAPX 050817
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
317 AM EST Fri Dec 5 2025

LMZ323-341-342-344>346-051600-
/O.CON.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
317 AM EST Fri Dec 5 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 13 feet expected.

* WHERE...Portions of Lake Michigan.

* WHEN...Until 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ345-051600-
/O.CON.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
317 AM EST Fri Dec 5 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 6 feet expected.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island.

* WHEN...Until 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LSZ321-051600-
/O.CON.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
317 AM EST Fri Dec 5 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING...

* WHAT...Highest gusts up to 40 kts from the southwest and 
  highest waves around 6 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...Until 11 AM EST Friday.

* IMPACTS...Strong winds will cause hazardous highest waves 
  which could capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

LHZ346>348-051630-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251205T2200Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
317 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...St Ignace to False Detour Channel, 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island and Presque Isle Light to Sturgeon Pt MI Including 
  Thunder Bay National Marine Sanctuary.

* WHEN...Until 5 PM EST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-051630-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
317 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 8 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-051630-
/O.CON.KAPX.SC.Y.0119.000000T0000Z-251206T1600Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
317 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 4 feet expected.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 11 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2025-12-05 10:11:47

781 
WHUS73 KAPX 051611
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1111 AM EST Fri Dec 5 2025

LMZ323-341-342-344>346-060015-
/O.EXP.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
/O.EXB.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST SATURDAY...
...GALE WARNING HAS EXPIRED...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 9 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345-060015-
/O.EXP.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
/O.EXB.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST SATURDAY...
...GALE WARNING HAS EXPIRED...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 5 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-060015-
/O.EXP.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
/O.EXB.KAPX.SC.Y.0118.251206T0900Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 4 PM EST
SATURDAY...
...GALE WARNING HAS EXPIRED...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 9 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 4 AM to 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346>348-060015-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EST SATURDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 6 feet.

* WHERE...St Ignace to False Detour Channel, 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island and Presque Isle Light to Sturgeon Pt MI Including 
  Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-060015-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-060015-
/O.CON.KAPX.SC.Y.0119.000000T0000Z-251206T1600Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 4 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 11 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time and Area Extended
Issued At: 2025-12-05 10:11:47

781 
WHUS73 KAPX 051611
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1111 AM EST Fri Dec 5 2025

LMZ323-341-342-344>346-060015-
/O.EXP.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
/O.EXB.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST SATURDAY...
...GALE WARNING HAS EXPIRED...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 9 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345-060015-
/O.EXP.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
/O.EXB.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST SATURDAY...
...GALE WARNING HAS EXPIRED...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 5 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-060015-
/O.EXP.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
/O.EXB.KAPX.SC.Y.0118.251206T0900Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 4 PM EST
SATURDAY...
...GALE WARNING HAS EXPIRED...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 9 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 4 AM to 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346>348-060015-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EST SATURDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 6 feet.

* WHERE...St Ignace to False Detour Channel, 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island and Presque Isle Light to Sturgeon Pt MI Including 
  Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-060015-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-060015-
/O.CON.KAPX.SC.Y.0119.000000T0000Z-251206T1600Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 4 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 11 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-05 10:11:47

781 
WHUS73 KAPX 051611
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1111 AM EST Fri Dec 5 2025

LMZ323-341-342-344>346-060015-
/O.EXP.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
/O.EXB.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST SATURDAY...
...GALE WARNING HAS EXPIRED...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 9 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345-060015-
/O.EXP.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
/O.EXB.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST SATURDAY...
...GALE WARNING HAS EXPIRED...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 5 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-060015-
/O.EXP.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
/O.EXB.KAPX.SC.Y.0118.251206T0900Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 4 PM EST
SATURDAY...
...GALE WARNING HAS EXPIRED...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 9 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 4 AM to 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346>348-060015-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EST SATURDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 6 feet.

* WHERE...St Ignace to False Detour Channel, 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island and Presque Isle Light to Sturgeon Pt MI Including 
  Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-060015-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-060015-
/O.CON.KAPX.SC.Y.0119.000000T0000Z-251206T1600Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 4 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 11 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time and Area Extended
Issued At: 2025-12-05 10:11:47

781 
WHUS73 KAPX 051611
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1111 AM EST Fri Dec 5 2025

LMZ323-341-342-344>346-060015-
/O.EXP.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
/O.EXB.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST SATURDAY...
...GALE WARNING HAS EXPIRED...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 9 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345-060015-
/O.EXP.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
/O.EXB.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST SATURDAY...
...GALE WARNING HAS EXPIRED...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 5 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-060015-
/O.EXP.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
/O.EXB.KAPX.SC.Y.0118.251206T0900Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 4 PM EST
SATURDAY...
...GALE WARNING HAS EXPIRED...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 9 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 4 AM to 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346>348-060015-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EST SATURDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 6 feet.

* WHERE...St Ignace to False Detour Channel, 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island and Presque Isle Light to Sturgeon Pt MI Including 
  Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-060015-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-060015-
/O.CON.KAPX.SC.Y.0119.000000T0000Z-251206T1600Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 4 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 11 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time and Area Extended
Issued At: 2025-12-05 10:11:47

781 
WHUS73 KAPX 051611
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1111 AM EST Fri Dec 5 2025

LMZ323-341-342-344>346-060015-
/O.EXP.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
/O.EXB.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST SATURDAY...
...GALE WARNING HAS EXPIRED...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 9 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345-060015-
/O.EXP.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
/O.EXB.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST SATURDAY...
...GALE WARNING HAS EXPIRED...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 5 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-060015-
/O.EXP.KAPX.GL.W.0032.000000T0000Z-251205T1600Z/
/O.EXB.KAPX.SC.Y.0118.251206T0900Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 4 PM EST
SATURDAY...
...GALE WARNING HAS EXPIRED...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 9 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 4 AM to 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ346>348-060015-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EST SATURDAY...

* WHAT...Highest gusts up to 30 kts from the west and highest 
  waves around 6 feet.

* WHERE...St Ignace to False Detour Channel, 5NM East of 
  Mackinac Bridge to Presque Isle Light MI including Bois Blanc 
  Island and Presque Isle Light to Sturgeon Pt MI Including 
  Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-060015-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-060015-
/O.CON.KAPX.SC.Y.0119.000000T0000Z-251206T1600Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1111 AM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 4 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 11 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-05 13:04:36

172 
WHUS73 KAPX 051903
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
203 PM EST Fri Dec 5 2025

LSZ322-060315-
/O.EXT.KAPX.SC.Y.0119.000000T0000Z-251206T2100Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
203 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EST SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 4 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ323-341-342-344>346-060315-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
203 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 7 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>348-060315-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
203 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 6 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island and Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-060315-
/O.CON.KAPX.SC.Y.0118.251206T0900Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
203 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest
  waves around 9 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 4 AM to 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-060315-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
203 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-05 13:04:36

172 
WHUS73 KAPX 051903
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
203 PM EST Fri Dec 5 2025

LSZ322-060315-
/O.EXT.KAPX.SC.Y.0119.000000T0000Z-251206T2100Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
203 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EST SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 4 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ323-341-342-344>346-060315-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
203 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 7 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>348-060315-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
203 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 6 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island and Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-060315-
/O.CON.KAPX.SC.Y.0118.251206T0900Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
203 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest
  waves around 9 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 4 AM to 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-060315-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
203 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-05 13:04:36

172 
WHUS73 KAPX 051903
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
203 PM EST Fri Dec 5 2025

LSZ322-060315-
/O.EXT.KAPX.SC.Y.0119.000000T0000Z-251206T2100Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
203 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EST SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 4 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ323-341-342-344>346-060315-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
203 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 7 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>348-060315-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
203 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 6 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island and Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-060315-
/O.CON.KAPX.SC.Y.0118.251206T0900Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
203 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest
  waves around 9 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 4 AM to 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-060315-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
203 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-05 13:04:36

172 
WHUS73 KAPX 051903
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
203 PM EST Fri Dec 5 2025

LSZ322-060315-
/O.EXT.KAPX.SC.Y.0119.000000T0000Z-251206T2100Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
203 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM EST SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 4 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LMZ323-341-342-344>346-060315-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
203 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 7 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>348-060315-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
203 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 6 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island and Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-060315-
/O.CON.KAPX.SC.Y.0118.251206T0900Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
203 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest
  waves around 9 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 4 AM to 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-060315-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
203 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 7 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-05 21:12:32

429 
WHUS73 KAPX 060311
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1011 PM EST Fri Dec 5 2025

LMZ323-341-342-344>346-061500-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1011 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 6 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-061500-
/O.CON.KAPX.SC.Y.0118.251206T0900Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1011 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the northwest and 
  highest waves around 8 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 4 AM to 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>348-061500-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1011 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 5 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island and Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-061000-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
1011 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 6 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-061500-
/O.CON.KAPX.SC.Y.0119.000000T0000Z-251206T2100Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1011 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 4 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-05 21:12:32

429 
WHUS73 KAPX 060311
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1011 PM EST Fri Dec 5 2025

LMZ323-341-342-344>346-061500-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1011 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 6 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-061500-
/O.CON.KAPX.SC.Y.0118.251206T0900Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1011 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the northwest and 
  highest waves around 8 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 4 AM to 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>348-061500-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1011 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 5 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island and Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-061000-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
1011 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 6 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-061500-
/O.CON.KAPX.SC.Y.0119.000000T0000Z-251206T2100Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1011 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 4 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-05 21:12:32

429 
WHUS73 KAPX 060311
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1011 PM EST Fri Dec 5 2025

LMZ323-341-342-344>346-061500-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1011 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 6 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-061500-
/O.CON.KAPX.SC.Y.0118.251206T0900Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1011 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the northwest and 
  highest waves around 8 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 4 AM to 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>348-061500-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1011 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 5 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island and Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-061000-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
1011 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 6 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-061500-
/O.CON.KAPX.SC.Y.0119.000000T0000Z-251206T2100Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1011 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 4 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-05 21:12:32

429 
WHUS73 KAPX 060311
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1011 PM EST Fri Dec 5 2025

LMZ323-341-342-344>346-061500-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1011 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 6 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-061500-
/O.CON.KAPX.SC.Y.0118.251206T0900Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1011 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the northwest and 
  highest waves around 8 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 4 AM to 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>348-061500-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1011 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 5 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island and Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-061000-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
1011 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 6 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-061500-
/O.CON.KAPX.SC.Y.0119.000000T0000Z-251206T2100Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1011 PM EST Fri Dec 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST
SATURDAY...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 4 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 4 PM EST Saturday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-05 23:13:43

260 
WHUS73 KAPX 060512
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1212 AM EST Sat Dec 6 2025

LMZ323-341-342-344>346-061830-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1212 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the northwest and 
  highest waves around 6 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-061830-
/O.CON.KAPX.SC.Y.0118.251206T0900Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1212 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM EARLY THIS
MORNING TO 4 PM EST THIS AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the northwest and 
  highest waves around 9 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 4 AM early this morning to 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>348-061830-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1212 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 6 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island and Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-061000-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
1212 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST EARLY
THIS MORNING...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 6 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST early this morning.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-061830-
/O.CON.KAPX.SC.Y.0119.000000T0000Z-251206T2100Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1212 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 4 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-05 23:13:43

260 
WHUS73 KAPX 060512
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1212 AM EST Sat Dec 6 2025

LMZ323-341-342-344>346-061830-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1212 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the northwest and 
  highest waves around 6 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-061830-
/O.CON.KAPX.SC.Y.0118.251206T0900Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1212 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM EARLY THIS
MORNING TO 4 PM EST THIS AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the northwest and 
  highest waves around 9 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 4 AM early this morning to 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>348-061830-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1212 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 6 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island and Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-061000-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
1212 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST EARLY
THIS MORNING...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 6 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST early this morning.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-061830-
/O.CON.KAPX.SC.Y.0119.000000T0000Z-251206T2100Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1212 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 4 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-05 23:13:43

260 
WHUS73 KAPX 060512
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1212 AM EST Sat Dec 6 2025

LMZ323-341-342-344>346-061830-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1212 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the northwest and 
  highest waves around 6 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-061830-
/O.CON.KAPX.SC.Y.0118.251206T0900Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1212 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM EARLY THIS
MORNING TO 4 PM EST THIS AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the northwest and 
  highest waves around 9 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 4 AM early this morning to 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>348-061830-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1212 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 6 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island and Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-061000-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
1212 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST EARLY
THIS MORNING...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 6 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST early this morning.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-061830-
/O.CON.KAPX.SC.Y.0119.000000T0000Z-251206T2100Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1212 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 4 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-05 23:13:43

260 
WHUS73 KAPX 060512
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1212 AM EST Sat Dec 6 2025

LMZ323-341-342-344>346-061830-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1212 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the northwest and 
  highest waves around 6 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-061830-
/O.CON.KAPX.SC.Y.0118.251206T0900Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1212 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM EARLY THIS
MORNING TO 4 PM EST THIS AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the northwest and 
  highest waves around 9 feet expected.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...From 4 AM early this morning to 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>348-061830-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1212 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 6 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island and Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ349-061000-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T1000Z/
Sturgeon Pt to Alabaster MI-
1212 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST EARLY
THIS MORNING...

* WHAT...Highest gusts up to 30 kts from the southwest and 
  highest waves around 6 feet.

* WHERE...Sturgeon Pt to Alabaster MI.

* WHEN...Until 5 AM EST early this morning.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-061830-
/O.CON.KAPX.SC.Y.0119.000000T0000Z-251206T2100Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1212 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the west and highest 
  waves around 4 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-06 10:00:45

324 
WHUS73 KAPX 061600
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1100 AM EST Sat Dec 6 2025

LMZ323-341-342-344>346-062100-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1100 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 5 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-062100-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1100 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 8 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>348-062100-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1100 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 6 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island and Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-062100-
/O.CON.KAPX.SC.Y.0119.000000T0000Z-251206T2100Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1100 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the northwest and 
  highest waves around 4 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-06 10:00:45

324 
WHUS73 KAPX 061600
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1100 AM EST Sat Dec 6 2025

LMZ323-341-342-344>346-062100-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1100 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 5 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-062100-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1100 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 8 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>348-062100-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1100 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 6 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island and Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-062100-
/O.CON.KAPX.SC.Y.0119.000000T0000Z-251206T2100Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1100 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the northwest and 
  highest waves around 4 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Continued
Issued At: 2025-12-06 10:00:45

324 
WHUS73 KAPX 061600
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
1100 AM EST Sat Dec 6 2025

LMZ323-341-342-344>346-062100-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
1100 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 5 feet.

* WHERE...Portions of Lake Michigan. 

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ321-062100-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1100 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 8 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345>348-062100-
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1100 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 6 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island, St Ignace to False Detour Channel, 
  5NM East of Mackinac Bridge to Presque Isle Light MI including 
  Bois Blanc Island and Presque Isle Light to Sturgeon Pt MI 
  Including Thunder Bay National Marine Sanctuary.

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-062100-
/O.CON.KAPX.SC.Y.0119.000000T0000Z-251206T2100Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
1100 AM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* WHAT...Highest gusts up to 25 kts from the northwest and 
  highest waves around 4 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 4 PM EST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Cancelled
Issued At: 2025-12-06 13:34:51

645 
WHUS73 KAPX 061934
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
234 PM EST Sat Dec 6 2025

LHZ347-348-LMZ323-341-342-344>346-062045-
/O.CAN.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
234 PM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY IS CANCELLED...

$$

LSZ321-070000-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251207T0000Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
234 PM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 6 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-070000-
/O.EXT.KAPX.SC.Y.0119.000000T0000Z-251207T0000Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
234 PM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Highest gusts up to 25 kts from the northwest and 
  highest waves around 3 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345-346-070000-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251207T0000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
234 PM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Highest gusts up to 25 kts from the northwest and 
  highest waves around 4 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island and St Ignace to False Detour 
  Channel.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2025-12-06 13:34:51

645 
WHUS73 KAPX 061934
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
234 PM EST Sat Dec 6 2025

LHZ347-348-LMZ323-341-342-344>346-062045-
/O.CAN.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
234 PM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY IS CANCELLED...

$$

LSZ321-070000-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251207T0000Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
234 PM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 6 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-070000-
/O.EXT.KAPX.SC.Y.0119.000000T0000Z-251207T0000Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
234 PM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Highest gusts up to 25 kts from the northwest and 
  highest waves around 3 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345-346-070000-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251207T0000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
234 PM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Highest gusts up to 25 kts from the northwest and 
  highest waves around 4 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island and St Ignace to False Detour 
  Channel.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$


Action: Time Extended
Issued At: 2025-12-06 13:34:51

645 
WHUS73 KAPX 061934
MWWAPX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
234 PM EST Sat Dec 6 2025

LHZ347-348-LMZ323-341-342-344>346-062045-
/O.CAN.KAPX.SC.Y.0118.000000T0000Z-251206T2100Z/
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
234 PM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY IS CANCELLED...

$$

LSZ321-070000-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251207T0000Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
234 PM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Highest gusts up to 30 kts from the northwest and 
  highest waves around 6 feet.

* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point 
  Iroquois MI.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LSZ322-070000-
/O.EXT.KAPX.SC.Y.0119.000000T0000Z-251207T0000Z/
St. Marys River Point Iroquois to E. Potagannissing Bay-
234 PM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Highest gusts up to 25 kts from the northwest and 
  highest waves around 3 feet.

* WHERE...St. Marys River Point Iroquois to E. Potagannissing 
  Bay.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

LHZ345-346-070000-
/O.EXT.KAPX.SC.Y.0118.000000T0000Z-251207T0000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
234 PM EST Sat Dec 6 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM EST THIS
EVENING...

* WHAT...Highest gusts up to 25 kts from the northwest and 
  highest waves around 4 feet.

* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge 
  including Mackinac Island and St Ignace to False Detour 
  Channel.

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$



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