Thanatos Weather
Sunday, Mar 01, 2026 13:58:22

Products in the Last Seven Days
Type Phenomena Count
AdvisorySmall Craft189
AdvisoryWinter Weather115
WarningFire Weather84
WarningSevere Thunderstorm67
WarningGale63
AdvisoryWind58
AdvisoryDense Fog49
WatchGale42
WatchFire Weather39
WarningWinter Storm37
WatchHigh Wind36
WarningHigh Wind36
WatchWinter Storm35
AdvisoryAreal Flood21
WarningStorm19
WatchStorm18
WarningFreeze12
WarningHazardous Seas8
WarningIce Accretion7
AdvisoryFrost7
WarningBlizzard7
WatchFreeze7
AdvisoryLake Wind6
AdvisoryIce Accretion4
AdvisoryFreezing Fog3
WatchFlood3
WatchAreal Flood2
AdvisoryLow Water2
AdvisoryBlowing Dust2
WatchHazardous Seas1
AdvisoryDense Smoke1
WarningFlash Flood1
AdvisoryFlood1
Most Active Forecast Offices
Forecast Office Products
Wakefield, VA50
Boston, MA46
Eureka, CA35
Duluth, MN33
Riverton, WY29
Jacksonville, FL27
Melbourne, FL27
Charleston, SC25
Newport / Morehead City, NC25
Pueblo, CO24
Great Falls, MT23
Miami, FL21
Tampa, FL21
Caribou, ME21
New York / Upton, NY21
Baltimore / Washington, VA21
Medford, OR21
Huntsville, AL20
Gray / Portland, ME20
Birmingham, AL20
Product Count by Day
Date Warn Watch Advis.
2026-03-0113 731
2026-02-289 057
2026-02-2716 057
2026-02-2680 1441
2026-02-2518 128
2026-02-2429 6105
2026-02-2352 2767
2026-02-2238 2573
2026-02-2178 3458
Particularly Dangerous Situations
Product Forecast Office
No PDS products in the last 7 days.
Home
Return to list
Small Craft Advisory 0025
Issued by the Chicago Forecast Office

Action Issued Starts Expiration
New 2026-02-27 13:55:21 2026-02-28 14:00:00 2026-03-01 15:00:00
Continued 2026-02-27 20:33:31 2026-02-28 14:00:00 2026-03-01 15:00:00
Continued 2026-02-28 03:58:19 2026-02-28 14:00:00 2026-03-01 15:00:00
Continued 2026-02-28 10:07:19 2026-02-28 14:00:00 2026-03-01 15:00:00
Area Extended 2026-02-28 13:49:56 2026-02-28 14:00:00 2026-03-01 15:00:00
Continued 2026-02-28 13:49:56 2026-02-28 14:00:00 2026-03-01 15:00:00
Continued 2026-02-28 13:49:56 2026-02-28 14:00:00 2026-03-01 15:00:00
Continued 2026-02-28 18:20:34 2026-03-01 15:00:00
Continued 2026-02-28 18:20:34 2026-03-01 15:00:00
Continued 2026-02-28 21:35:41 2026-03-01 15:00:00
Continued 2026-02-28 21:35:41 2026-03-01 15:00:00
Continued 2026-03-01 02:43:18 2026-03-01 15:00:00
Continued 2026-03-01 09:17:17 2026-03-01 15:00:00


Action: New
Issued At: 2026-02-27 13:55:21

770 
WHUS73 KLOT 271954
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
154 PM CST Fri Feb 27 2026

LMZ740>744-280400-
/O.CON.KLOT.SC.Y.0024.000000T0000Z-260228T0300Z/
/O.NEW.KLOT.SC.Y.0025.260228T2000Z-260301T2100Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
154 PM CST Fri Feb 27 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM SATURDAY TO 3 PM CST
SUNDAY...

* WHAT...For the first Small Craft Advisory, southwest winds to 30
  kt occurring. For the second Small Craft Advisory, north winds 
  to 25 kt and significant waves to 7 ft occasionally to 9 ft 
  expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet 
  Harbor IL to Burns Harbor IN.

* WHEN...For the first Small Craft Advisory, until 9 PM CST this 
  evening. For the second Small Craft Advisory, from 2 PM 
  Saturday to 3 PM CST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ745-280400-
/O.EXT.KLOT.SC.Y.0024.000000T0000Z-260301T2100Z/
Burns Harbor to Michigan City IN-
154 PM CST Fri Feb 27 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM CST SUNDAY...

* WHAT...Southwest winds to 25 kt expected through this evening.
  Then, north winds to 25 kt and significant waves to 6 ft
  occasionally to 8 ft expected tonight through Sunday. 

* WHERE...Burns Harbor to Michigan City IN.

* WHEN...Until 3 PM CST Sunday.

* 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: 2026-02-27 20:33:31

736 
WHUS73 KLOT 280233
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
833 PM CST Fri Feb 27 2026

LMZ740>744-281045-
/O.EXT.KLOT.SC.Y.0024.000000T0000Z-260228T1000Z/
/O.CON.KLOT.SC.Y.0025.260228T2000Z-260301T2100Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
833 PM CST Fri Feb 27 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM CST SATURDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM SATURDAY TO
3 PM CST SUNDAY...

* WHAT...For the first Small Craft Advisory, northwest winds to 25 
  kt and significant waves to 4 ft. For the second Small Craft 
  Advisory, north winds to 25 kt and significant waves to 7 ft 
  occasionally to 9 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet 
  Harbor IL to Burns Harbor IN.

* WHEN...For the first Small Craft Advisory, until 4 AM CST 
  Saturday. For the second Small Craft Advisory, from 2 PM 
  Saturday to 3 PM CST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ745-281045-
/O.CON.KLOT.SC.Y.0024.000000T0000Z-260301T2100Z/
Burns Harbor to Michigan City IN-
833 PM CST Fri Feb 27 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY...

* WHAT...Southwest winds to 25 kt becoming northwest this evening
  and tonight. Then, north winds becoming northeast to 25 kt and 
  significant waves to 6 ft occasionally to 8 ft Saturday through 
  Sunday. 

* WHERE...Burns Harbor to Michigan City IN.

* WHEN...Until 3 PM CST Sunday.

* 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: 2026-02-28 03:58:19

891 
WHUS73 KLOT 280957
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
357 AM CST Sat Feb 28 2026

LMZ740>744-281800-
/O.EXP.KLOT.SC.Y.0024.000000T0000Z-260228T1000Z/
/O.CON.KLOT.SC.Y.0025.260228T2000Z-260301T2100Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
357 AM CST Sat Feb 28 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 3 PM CST SUNDAY...

* WHAT...Northeast winds to 25 kt and significant waves to 7 ft 
  occasionally to 9 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet 
  Harbor IL to Burns Harbor IN.

* WHEN...From 2 PM this afternoon to 3 PM CST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ745-281800-
/O.CON.KLOT.SC.Y.0024.000000T0000Z-260301T2100Z/
Burns Harbor to Michigan City IN-
357 AM CST Sat Feb 28 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY...

* WHAT...Northwest winds to 25 kt becoming northeast and
  significant waves to 7 ft occasionally to 9 ft expected.

* WHERE...Burns Harbor to Michigan City IN.

* WHEN...Until 3 PM CST Sunday.

* 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: 2026-02-28 10:07:19

000 
WHUS73 KLOT 281606
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
1006 AM CST Sat Feb 28 2026

LMZ745-010015-
/O.CON.KLOT.SC.Y.0024.000000T0000Z-260301T2100Z/
Burns Harbor to Michigan City IN-
1006 AM CST Sat Feb 28 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY...

* WHAT...Northeast winds to 25 kt and significant waves to 6 ft 
  occasionally to 8 ft expected.

* WHERE...Burns Harbor to Michigan City IN.

* WHEN...Until 3 PM CST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ740>744-010015-
/O.CON.KLOT.SC.Y.0025.260228T2000Z-260301T2100Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
1006 AM CST Sat Feb 28 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 3 PM CST SUNDAY...

* WHAT...Northeast winds to 25 kt and significant waves to 6 ft
  occasionally to 8 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet 
  Harbor IL to Burns Harbor IN.

* WHEN...From 2 PM this afternoon to 3 PM CST Sunday.

* 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: Area Extended
Issued At: 2026-02-28 13:49:56

584 
WHUS73 KLOT 281949
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
149 PM CST Sat Feb 28 2026

LMZ745-010400-
/O.CAN.KLOT.SC.Y.0024.000000T0000Z-260301T2100Z/
/O.EXA.KLOT.SC.Y.0025.260228T2000Z-260301T2100Z/
Burns Harbor to Michigan City IN-
149 PM CST Sat Feb 28 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST SUNDAY...

* WHAT...Northeast winds to 25 kt and significant waves to 6 ft 
  occasionally to 8 ft expected.

* WHERE...Burns Harbor to Michigan City IN.

* WHEN...Until 3 PM CST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ743-744-010400-
/O.CON.KLOT.SC.Y.0025.260228T2000Z-260301T2100Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
149 PM CST Sat Feb 28 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY...

* WHAT...Northeast winds to 25 kt and significant waves to 6 ft
  occasionally to 8 ft expected.

* WHERE...Calumet Harbor IL to Burns Harbor IN.

* WHEN...Until 3 PM CST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ740>742-010400-
/O.CON.KLOT.SC.Y.0025.260228T2000Z-260301T2100Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
149 PM CST Sat Feb 28 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY...

* WHAT...Northeast winds to 25 kt and significant waves to 6 ft 
  occasionally to 8 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...Until 3 PM CST Sunday.

* 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: 2026-02-28 13:49:56

584 
WHUS73 KLOT 281949
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
149 PM CST Sat Feb 28 2026

LMZ745-010400-
/O.CAN.KLOT.SC.Y.0024.000000T0000Z-260301T2100Z/
/O.EXA.KLOT.SC.Y.0025.260228T2000Z-260301T2100Z/
Burns Harbor to Michigan City IN-
149 PM CST Sat Feb 28 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST SUNDAY...

* WHAT...Northeast winds to 25 kt and significant waves to 6 ft 
  occasionally to 8 ft expected.

* WHERE...Burns Harbor to Michigan City IN.

* WHEN...Until 3 PM CST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ743-744-010400-
/O.CON.KLOT.SC.Y.0025.260228T2000Z-260301T2100Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
149 PM CST Sat Feb 28 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY...

* WHAT...Northeast winds to 25 kt and significant waves to 6 ft
  occasionally to 8 ft expected.

* WHERE...Calumet Harbor IL to Burns Harbor IN.

* WHEN...Until 3 PM CST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ740>742-010400-
/O.CON.KLOT.SC.Y.0025.260228T2000Z-260301T2100Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
149 PM CST Sat Feb 28 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY...

* WHAT...Northeast winds to 25 kt and significant waves to 6 ft 
  occasionally to 8 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...Until 3 PM CST Sunday.

* 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: 2026-02-28 13:49:56

584 
WHUS73 KLOT 281949
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
149 PM CST Sat Feb 28 2026

LMZ745-010400-
/O.CAN.KLOT.SC.Y.0024.000000T0000Z-260301T2100Z/
/O.EXA.KLOT.SC.Y.0025.260228T2000Z-260301T2100Z/
Burns Harbor to Michigan City IN-
149 PM CST Sat Feb 28 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST SUNDAY...

* WHAT...Northeast winds to 25 kt and significant waves to 6 ft 
  occasionally to 8 ft expected.

* WHERE...Burns Harbor to Michigan City IN.

* WHEN...Until 3 PM CST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ743-744-010400-
/O.CON.KLOT.SC.Y.0025.260228T2000Z-260301T2100Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
149 PM CST Sat Feb 28 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY...

* WHAT...Northeast winds to 25 kt and significant waves to 6 ft
  occasionally to 8 ft expected.

* WHERE...Calumet Harbor IL to Burns Harbor IN.

* WHEN...Until 3 PM CST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ740>742-010400-
/O.CON.KLOT.SC.Y.0025.260228T2000Z-260301T2100Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
149 PM CST Sat Feb 28 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY...

* WHAT...Northeast winds to 25 kt and significant waves to 6 ft 
  occasionally to 8 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...Until 3 PM CST Sunday.

* 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: 2026-02-28 18:20:34

509 
WHUS73 KLOT 010020
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
620 PM CST Sat Feb 28 2026

LMZ743>745-010830-
/O.CON.KLOT.SC.Y.0025.000000T0000Z-260301T2100Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
620 PM CST Sat Feb 28 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY...

* WHAT...Northeast winds to 30 kt and significant waves to 8 ft
  occasionally to 10 ft.

* WHERE...Calumet Harbor IL to Michigan City IN.

* WHEN...Until 3 PM CST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ740>742-010830-
/O.CON.KLOT.SC.Y.0025.000000T0000Z-260301T2100Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
620 PM CST Sat Feb 28 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY...

* WHAT...Northeast winds to 30 kt and significant waves to 8 ft
  occasionally to 10 ft.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...Until 3 PM CST Sunday.

* 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: 2026-02-28 18:20:34

509 
WHUS73 KLOT 010020
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
620 PM CST Sat Feb 28 2026

LMZ743>745-010830-
/O.CON.KLOT.SC.Y.0025.000000T0000Z-260301T2100Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
620 PM CST Sat Feb 28 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY...

* WHAT...Northeast winds to 30 kt and significant waves to 8 ft
  occasionally to 10 ft.

* WHERE...Calumet Harbor IL to Michigan City IN.

* WHEN...Until 3 PM CST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ740>742-010830-
/O.CON.KLOT.SC.Y.0025.000000T0000Z-260301T2100Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
620 PM CST Sat Feb 28 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY...

* WHAT...Northeast winds to 30 kt and significant waves to 8 ft
  occasionally to 10 ft.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...Until 3 PM CST Sunday.

* 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: 2026-02-28 21:35:41

899 
WHUS73 KLOT 010335
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
935 PM CST Sat Feb 28 2026

LMZ743>745-011145-
/O.CON.KLOT.SC.Y.0025.000000T0000Z-260301T2100Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
935 PM CST Sat Feb 28 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY...

* WHAT...Northeast winds to 25 kt and significant waves to 7 ft
  occasionally to 9 ft.

* WHERE...Calumet Harbor IL to Michigan City IN.

* WHEN...Until 3 PM CST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ740>742-011145-
/O.CON.KLOT.SC.Y.0025.000000T0000Z-260301T2100Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
935 PM CST Sat Feb 28 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY...

* WHAT...Northeast winds to 25 kt and significant waves to 7 ft
  occasionally to 9 ft.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...Until 3 PM CST Sunday.

* 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: 2026-02-28 21:35:41

899 
WHUS73 KLOT 010335
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
935 PM CST Sat Feb 28 2026

LMZ743>745-011145-
/O.CON.KLOT.SC.Y.0025.000000T0000Z-260301T2100Z/
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
935 PM CST Sat Feb 28 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY...

* WHAT...Northeast winds to 25 kt and significant waves to 7 ft
  occasionally to 9 ft.

* WHERE...Calumet Harbor IL to Michigan City IN.

* WHEN...Until 3 PM CST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

LMZ740>742-011145-
/O.CON.KLOT.SC.Y.0025.000000T0000Z-260301T2100Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
935 PM CST Sat Feb 28 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY...

* WHAT...Northeast winds to 25 kt and significant waves to 7 ft
  occasionally to 9 ft.

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...Until 3 PM CST Sunday.

* 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: 2026-03-01 02:43:18

796 
WHUS73 KLOT 010842
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
242 AM CST Sun Mar 1 2026

LMZ740>745-011645-
/O.CON.KLOT.SC.Y.0025.000000T0000Z-260301T2100Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
242 AM CST Sun Mar 1 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...

* WHAT...Northeast winds to 25 kt and significant waves to 6 ft 
  occasionally to 8 ft.

* WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL 
  to Michigan City IN.

* WHEN...Until 3 PM CST 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: 2026-03-01 09:17:17

189 
WHUS73 KLOT 011516
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
916 AM CST Sun Mar 1 2026

LMZ740>745-012100-
/O.CON.KLOT.SC.Y.0025.000000T0000Z-260301T2100Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
916 AM CST Sun Mar 1 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...

* WHAT...Significant waves to 6 ft occasionally to 8 ft occurring. 

* WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL 
  to Michigan City IN.

* WHEN...Until 3 PM CST 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.

&&

$$



Page Loaded at: 2026-03-01 13:58:22 -- Client Address: 216.73.216.183 -- Refresh Time: seconds