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Home Return to list Small Craft Advisory 0018 Issued by the Green Bay Forecast Office
Action: New Issued At: 2026-02-21 13:24:21 541 WHUS73 KGRB 211923 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 123 PM CST Sat Feb 21 2026 LMZ541>543-220330- /O.NEW.KGRB.SC.Y.0018.260222T1200Z-260223T2100Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 123 PM CST Sat Feb 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM SUNDAY TO 3 PM CST MONDAY... * WHAT...North winds 20 to 30 kt and waves 3 to 6 ft expected. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...From 6 AM Sunday to 3 PM CST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Kurimski Action: Continued Issued At: 2026-02-21 21:10:34 067 WHUS73 KGRB 220310 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 910 PM CST Sat Feb 21 2026 LMZ541>543-221115- /O.CON.KGRB.SC.Y.0018.260222T1200Z-260223T2100Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 910 PM CST Sat Feb 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM SUNDAY TO 3 PM CST MONDAY... * WHAT...North winds 20 to 30 kts and waves 3 to 6 ft expected. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...From 6 AM Sunday to 3 PM CST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Kruk Action: Continued Issued At: 2026-02-22 02:05:41 618 WHUS73 KGRB 220805 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 205 AM CST Sun Feb 22 2026 LMZ541>543-221800- /O.CON.KGRB.SC.Y.0018.260222T1200Z-260223T2100Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 205 AM CST Sun Feb 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 3 PM CST MONDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...From 6 AM this morning to 3 PM CST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-02-22 11:32:51 260 WHUS73 KGRB 221732 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 1132 AM CST Sun Feb 22 2026 LMZ541>543-230145- /O.CON.KGRB.SC.Y.0018.000000T0000Z-260223T2100Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1132 AM CST Sun Feb 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST MONDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...From 6 AM this morning to 3 PM CST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-02-22 19:37:34 170 WHUS73 KGRB 230137 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 737 PM CST Sun Feb 22 2026 LMZ541>543-231200- /O.CON.KGRB.SC.Y.0018.000000T0000Z-260223T2100Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 737 PM CST Sun Feb 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST MONDAY... * WHAT...North winds 15 to 25 kts with gusts up to 30 kts and waves 2 to 6 ft. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...Until 3 PM CST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Kruk Action: Continued Issued At: 2026-02-23 02:02:44 422 WHUS73 KGRB 230802 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 202 AM CST Mon Feb 23 2026 LMZ541>543-231800- /O.CON.KGRB.SC.Y.0018.000000T0000Z-260223T2100Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 202 AM CST Mon Feb 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 5 ft. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * WHEN...Until 3 PM CST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ JLA Action: Continued Issued At: 2026-02-23 11:42:49 465 WHUS73 KGRB 231742 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 1142 AM CST Mon Feb 23 2026 LMZ541>543-232100- /O.CON.KGRB.SC.Y.0018.000000T0000Z-260223T2100Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1142 AM CST Mon Feb 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... * WHAT...North winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 4 ft. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan. * 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. && $$ Kurimski Action: Expired Issued At: 2026-02-23 14:35:53 239 WHUS73 KGRB 232035 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 235 PM CST Mon Feb 23 2026 LMZ541>543-232145- /O.EXP.KGRB.SC.Y.0018.000000T0000Z-260223T2100Z/ Rock Island Passage to Sturgeon Bay WI- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 235 PM CST Mon Feb 23 2026 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 3 PM CST THIS AFTERNOON... Winds and waves have subsided. $$ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||