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Home Return to list Small Craft Advisory 0055 Issued by the Milwaukee / Sullivan Forecast Office
Action: New Issued At: 2026-05-18 19:45:03 874 WHUS73 KMKX 190044 MWWMKX URGENT - MARINE WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 744 PM CDT Mon May 18 2026 LMZ643-190845- /O.CAN.KMKX.SC.Y.0054.000000T0000Z-260520T0000Z/ /O.NEW.KMKX.SC.Y.0055.260519T0900Z-260519T2100Z/ Sheboygan to Port Washington WI- 744 PM CDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 4 PM CDT TUESDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt expected. Winds veer west to northwest in the afternoon. * WHERE...Nearshore Waters from Sheboygan to Port Washington. * WHEN...From 4 AM to 4 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ261-362-364-366-563-565-567-868-190845- /O.CON.KMKX.MF.Y.0006.000000T0000Z-260519T1700Z/ Lake Michigan from Seul Choix Point to Rock Island Passage 5NM offshore to Mid Lake- Lake Michigan South of a line from Seul Choix Point to the Mackinac Bridge and North of a line from Charlevoix MI to South Fox Island 5NM offshore- Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to mid lake- Lake Michigan from Point Betsie to Manistee MI 5NM offshore to Mid Lake- Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake- Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to Mid Lake- Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid Lake- Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake- 744 PM CDT Mon May 18 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TUESDAY... * WHAT...Dense fog will reduce visibility to less than 1 NM. * WHERE...Northern Open Waters of Lake Michigan. * WHEN...Until noon CDT Tuesday. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ644>646-190845- /O.CON.KMKX.SC.Y.0054.260519T0900Z-260519T2100Z/ Port Washington to North Point Light WI- North Point Light to Wind Point WI- Wind Point WI to Winthrop Harbor IL- 744 PM CDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM CDT TUESDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt expected. Winds veer west to northwest in the afternoon. * WHERE...Nearshore Waters from Port Washington to Winthrop Harbor IL. * WHEN...From 4 AM to 4 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-19 03:07:16 279 WHUS73 KMKX 190806 MWWMKX URGENT - MARINE WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 306 AM CDT Tue May 19 2026 LMZ261-362-364-366-563-565-567-868-191615- /O.CON.KMKX.MF.Y.0006.000000T0000Z-260519T1700Z/ Lake Michigan from Seul Choix Point to Rock Island Passage 5NM offshore to Mid Lake- Lake Michigan South of a line from Seul Choix Point to the Mackinac Bridge and North of a line from Charlevoix MI to South Fox Island 5NM offshore- Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to mid lake- Lake Michigan from Point Betsie to Manistee MI 5NM offshore to Mid Lake- Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake- Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to Mid Lake- Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid Lake- Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake- 306 AM CDT Tue May 19 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY... * WHAT...Dense fog will reduce visibility to less than 1 NM. * WHERE...Northern Open Waters of Lake Michigan. * WHEN...Until noon CDT Tuesday. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ643-191615- /O.CON.KMKX.SC.Y.0055.260519T0900Z-260519T2100Z/ Sheboygan to Port Washington WI- 306 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt expected. Winds veer west to northwest in the afternoon. * WHERE...Nearshore Waters from Sheboygan to Port Washington. * WHEN...From 4 AM to 4 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ644>646-191615- /O.CON.KMKX.SC.Y.0054.260519T0900Z-260519T2100Z/ Port Washington to North Point Light WI- North Point Light to Wind Point WI- Wind Point WI to Winthrop Harbor IL- 306 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt expected. Winds veer west to northwest in the afternoon. * WHERE...Nearshore Waters from Port Washington to Winthrop Harbor IL. * WHEN...From 4 AM to 4 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-19 09:07:17 676 WHUS73 KMKX 191407 MWWMKX URGENT - MARINE WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 907 AM CDT Tue May 19 2026 LMZ261-362-364-366-563-565-567-868-191700- /O.CON.KMKX.MF.Y.0006.000000T0000Z-260519T1700Z/ 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 Point Betsie to Manistee MI 5NM offshore to Mid Lake- Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake- Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to Mid Lake- Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid Lake- Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake- 907 AM CDT Tue May 19 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY... * WHAT...Dense fog will reduce visibility to less than 1 NM. * WHERE...Northern Open Waters of Lake Michigan. * WHEN...Until noon CDT today. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ643-192100- /O.CON.KMKX.SC.Y.0055.000000T0000Z-260519T2100Z/ Sheboygan to Port Washington WI- 907 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt expected. Winds veer west to northwest in the afternoon. * WHERE...Nearshore Waters from Sheboygan to Port Washington. * WHEN...Until 4 PM CDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ644>646-192100- /O.CON.KMKX.SC.Y.0054.000000T0000Z-260519T2100Z/ Port Washington to North Point Light WI- North Point Light to Wind Point WI- Wind Point WI to Winthrop Harbor IL- 907 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt expected. Winds veer west to northwest in the afternoon. * WHERE...Nearshore Waters from Port Washington to Winthrop Harbor IL. * WHEN...Until 4 PM CDT 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. && $$ MRC Action: Continued Issued At: 2026-05-19 11:07:20 595 WHUS73 KMKX 191607 MWWMKX URGENT - MARINE WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 1107 AM CDT Tue May 19 2026 LMZ261-362-364-366-563-565-567-868-192000- /O.EXT.KMKX.MF.Y.0006.000000T0000Z-260519T2000Z/ Lake Michigan from Seul Choix Point to Rock Island Passage 5NM offshore to Mid Lake- Lake Michigan South of a line from Seul Choix Point to the Mackinac Bridge and North of a line from Charlevoix MI to South Fox Island 5NM offshore- Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to mid lake- Lake Michigan from Point Betsie to Manistee MI 5NM offshore to Mid Lake- Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake- Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to Mid Lake- Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid Lake- Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake- 1107 AM CDT Tue May 19 2026 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON... * WHAT...Dense fog will reduce visibility to less than 1 NM. * WHERE...Northern Open Waters of Lake Michigan. * WHEN...Until 3 PM CDT this afternoon. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ LMZ643-192015- /O.CON.KMKX.SC.Y.0055.000000T0000Z-260519T2100Z/ Sheboygan to Port Washington WI- 1107 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt expected. Winds veer west to northwest by mid afternoon. * WHERE...Nearshore Waters from Sheboygan to Port Washington. * WHEN...Until 4 PM CDT 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. && $$ LMZ644>646-192015- /O.CON.KMKX.SC.Y.0054.000000T0000Z-260519T2100Z/ Port Washington to North Point Light WI- North Point Light to Wind Point WI- Wind Point WI to Winthrop Harbor IL- 1107 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt expected. Winds veer west to northwest by mid afternoon. * WHERE...Nearshore Waters from Port Washington to Winthrop Harbor IL. * WHEN...Until 4 PM CDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ MRC Action: Time Extended Issued At: 2026-05-19 15:13:29 431 WHUS73 KMKX 192013 MWWMKX URGENT - MARINE WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 313 PM CDT Tue May 19 2026 LMZ261-362-364-366-563-565-567-868-192115- /O.EXP.KMKX.MF.Y.0006.000000T0000Z-260519T2000Z/ 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 Point Betsie to Manistee MI 5NM offshore to Mid Lake- Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake- Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to Mid Lake- Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid Lake- Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake- 313 PM CDT Tue May 19 2026 ...DENSE FOG ADVISORY HAS EXPIRED... Winds will become gusty out of the west behind a cold front late this afternoon. Therefore, the threat for dense fog has diminished. $$ LMZ643-200000- /O.EXT.KMKX.SC.Y.0055.000000T0000Z-260520T0000Z/ Sheboygan to Port Washington WI- 313 PM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Westerly winds 15 to 25 kt with gusts up to 30 kt through early evening. * WHERE...Nearshore Waters from Sheboygan to Port Washington. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ644>646-200000- /O.EXT.KMKX.SC.Y.0054.000000T0000Z-260520T0000Z/ Port Washington to North Point Light WI- North Point Light to Wind Point WI- Wind Point WI to Winthrop Harbor IL- 313 PM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Westerly winds 15 to 25 kt with gusts up to 30 kt through early evening. * WHERE...Nearshore Waters from Port Washington to Winthrop Harbor IL. * WHEN...Until 7 PM CDT 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. && $$ MRC | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||