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Home Return to list Small Craft Advisory 0023 Issued by the Milwaukee / Sullivan Forecast Office
Action: New Issued At: 2026-02-26 12:57:18 690 WHUS73 KMKX 261856 MWWMKX URGENT - MARINE WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 1256 PM CST Thu Feb 26 2026 LMZ643>646-270300- /O.NEW.KMKX.SC.Y.0023.260227T1600Z-260228T0800Z/ Sheboygan to Port Washington WI- Port Washington to North Point Light WI- North Point Light to Wind Point WI- Wind Point WI to Winthrop Harbor IL- 1256 PM CST Thu Feb 26 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM FRIDAY TO 2 AM CST SATURDAY... * WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt, becoming west 10 to 20 knots with gusts up to 25 knots Friday evening. Waves 2 to 4 feet. * WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL. * WHEN...From 10 AM Friday to 2 AM CST 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. && $$ Action: Continued Issued At: 2026-02-26 21:16:32 693 WHUS73 KMKX 270316 MWWMKX URGENT - MARINE WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 916 PM CST Thu Feb 26 2026 LMZ643>646-271130- /O.CON.KMKX.SC.Y.0023.260227T1600Z-260228T0800Z/ Sheboygan to Port Washington WI- Port Washington to North Point Light WI- North Point Light to Wind Point WI- Wind Point WI to Winthrop Harbor IL- 916 PM CST Thu Feb 26 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM FRIDAY TO 2 AM CST SATURDAY... * WHAT...West winds 15 to 20 kt with gusts up to 30 kt expected. * WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL. * WHEN...From 10 AM Friday to 2 AM CST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-02-27 03:11:12 685 WHUS73 KMKX 270910 MWWMKX URGENT - MARINE WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 310 AM CST Fri Feb 27 2026 LMZ643>646-271715- /O.CON.KMKX.SC.Y.0023.260227T1600Z-260228T0800Z/ Sheboygan to Port Washington WI- Port Washington to North Point Light WI- North Point Light to Wind Point WI- Wind Point WI to Winthrop Harbor IL- 310 AM CST Fri Feb 27 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 2 AM CST SATURDAY... * WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt expected today, becoming west this evening and northwest later tonight. * WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL. * WHEN...From 10 AM today to 2 AM CST 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. && $$ Wood Action: Continued Issued At: 2026-02-27 08:52:43 311 WHUS73 KMKX 271452 MWWMKX URGENT - MARINE WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 852 AM CST Fri Feb 27 2026 LMZ643>646-272300- /O.CON.KMKX.SC.Y.0023.260227T1600Z-260228T0800Z/ Sheboygan to Port Washington WI- Port Washington to North Point Light WI- North Point Light to Wind Point WI- Wind Point WI to Winthrop Harbor IL- 852 AM CST Fri Feb 27 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM CST SATURDAY... * WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt expected today, becoming west this evening and northwest later tonight. * WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL. * WHEN...Until 2 AM CST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-02-27 13:02:50 631 WHUS73 KMKX 271902 MWWMKX URGENT - MARINE WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 102 PM CST Fri Feb 27 2026 LMZ261-362-364-563-280315- /O.NEW.KMKX.GL.W.0012.260228T0000Z-260228T0800Z/ Lake Michigan from Seul Choix Point to Rock Island Passage 5NM offshore to Mid Lake- Lake Michigan South of a line from Seul Choix Point to the Mackinac Bridge and North of a line from Charlevoix MI to South Fox Island 5NM offshore- Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to mid lake- Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake- 102 PM CST Fri Feb 27 2026 ...GALE WARNING IN EFFECT FROM 6 PM THIS EVENING TO 2 AM CST SATURDAY... * WHAT...West-northwest winds 20 to 25 kt with gusts up to 35 kt and waves 5 to 8 ft expected. * WHERE...Northern Third of the Open Waters of Lake Michigan. * WHEN...From 6 PM this evening to 2 AM CST Saturday. * IMPACTS...Strong winds will cause hazardous 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 severe conditions. && $$ LMZ643>646-280315- /O.CON.KMKX.SC.Y.0023.000000T0000Z-260228T0800Z/ Sheboygan to Port Washington WI- Port Washington to North Point Light WI- North Point Light to Wind Point WI- Wind Point WI to Winthrop Harbor IL- 102 PM CST Fri Feb 27 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM CST SATURDAY... * WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt, becoming west this evening and northwest later tonight. * WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL. * WHEN...Until 2 AM CST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-02-27 21:04:02 395 WHUS73 KMKX 280303 MWWMKX URGENT - MARINE WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 903 PM CST Fri Feb 27 2026 LMZ261-362-364-563-280800- /O.CON.KMKX.GL.W.0012.000000T0000Z-260228T0800Z/ Lake Michigan from Seul Choix Point to Rock Island Passage 5NM offshore to Mid Lake- Lake Michigan South of a line from Seul Choix Point to the Mackinac Bridge and North of a line from Charlevoix MI to South Fox Island 5NM offshore- Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to mid lake- Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake- 903 PM CST Fri Feb 27 2026 ...GALE WARNING REMAINS IN EFFECT UNTIL 2 AM CST SATURDAY... * WHAT...Northwest winds around 30 kt with gusts up to 45 kt and waves 5 to 8 ft. * WHERE...Northern Third of the Open Waters of Lake Michigan. * WHEN...Until 2 AM CST Saturday. * IMPACTS...Strong winds will cause hazardous 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 severe conditions. && $$ LMZ643>646-280800- /O.CON.KMKX.SC.Y.0023.000000T0000Z-260228T0800Z/ Sheboygan to Port Washington WI- Port Washington to North Point Light WI- North Point Light to Wind Point WI- Wind Point WI to Winthrop Harbor IL- 903 PM CST Fri Feb 27 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM CST SATURDAY... * WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt. * WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL. * WHEN...Until 2 AM CST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ MRC Action: Time Extended Issued At: 2026-02-28 01:55:11 472 WHUS73 KMKX 280754 MWWMKX URGENT - MARINE WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 154 AM CST Sat Feb 28 2026 LMZ261-362-364-563-280900- /O.EXP.KMKX.GL.W.0012.000000T0000Z-260228T0800Z/ Lake Michigan from Seul Choix Point to Rock Island Passage 5NM offshore to Mid Lake- Lake Michigan South of a line from Seul Choix Point to the Mackinac Bridge and North of a line from Charlevoix MI to South Fox Island 5NM offshore- Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to mid lake- Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake- 154 AM CST Sat Feb 28 2026 ...GALE WARNING WILL EXPIRE AT 2 AM CST EARLY THIS MORNING... Northwest winds have subsided below gale force, so the Gale Warning will be allowed to expire. $$ LMZ643>646-281000- /O.EXT.KMKX.SC.Y.0023.000000T0000Z-260228T1000Z/ Sheboygan to Port Washington WI- Port Washington to North Point Light WI- North Point Light to Wind Point WI- Wind Point WI to Winthrop Harbor IL- 154 AM CST Sat Feb 28 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM CST EARLY THIS MORNING... * WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt. * WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL. * WHEN...Until 4 AM CST early this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Wood | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||