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Home Return to list Gale Watch 0032 Issued by the Milwaukee / Sullivan Forecast Office
Action: New Issued At: 2025-12-17 03:05:40 691 WHUS73 KMKX 170905 MWWMKX URGENT - MARINE WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 305 AM CST Wed Dec 17 2025 LMZ261-362-364-366-563-565-171715- /O.EXP.KMKX.GL.W.0038.000000T0000Z-251217T0900Z/ /O.UPG.KMKX.GL.A.0031.251218T0500Z-251218T1600Z/ /O.NEW.KMKX.GL.W.0039.251218T0500Z-251219T1500Z/ 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- 305 AM CST Wed Dec 17 2025 ...ONGOING GALE WARNING WILL EXPIRE AT 3 AM CST EARLY THIS MORNING... ...NEW GALE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 9 AM CST FRIDAY... * WHAT...For Tonight into Thursday morning, south winds 20 to 30 kt with gusts up to 40 kt and waves 10 to 15 ft expected. For Thursday afternoon and onwards, west to northwest winds 20 to 30 kt with gusts up to 40 kt and waves 8 to 11 ft expected. * WHERE...Northern Third of the Open Waters of Lake Michigan, Lake Michigan from Point Betsie to Manistee MI 5NM offshore to Mid Lake, and Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to Mid Lake. * WHEN...From 11 PM this evening to 9 AM CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...A lull in gales may occur in the late morning and afternoon hours of Thursday before ramping back up. 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. && $$ LMZ567-669-671-673-868-870-872-874-171715- /O.EXP.KMKX.GL.W.0038.000000T0000Z-251217T0900Z/ /O.UPG.KMKX.GL.A.0031.251218T0500Z-251219T1500Z/ /O.NEW.KMKX.GL.W.0039.251218T0500Z-251219T1500Z/ Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid Lake- Lake Michigan from Sheboygan to Port Washington WI 5NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5NM offshore to Mid Lake- Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid Lake- 305 AM CST Wed Dec 17 2025 ...ONGOING GALE WARNING WILL EXPIRE AT 3 AM CST EARLY THIS MORNING... ...NEW GALE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 9 AM CST FRIDAY... * WHAT...For Tonight into Thursday morning, south winds 20 to 30 kt with gusts up to 40 kt and waves 8 to 13 ft expected. From Thursday afternoon onwards, west to northwest winds 20 to 30 kt with gusts up to 40 kt and waves 8 to 14 ft expected. * WHERE...Central portions of the open waters of Lake Michigan. * WHEN...From 11 PM this evening to 9 AM CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...A lull in gales may occur in the late morning and afternoon hours of Thursday before ramping back up. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ LMZ080-675-777-779-876-878-171715- /O.UPG.KMKX.GL.A.0031.251218T0500Z-251219T1500Z/ /O.NEW.KMKX.GL.W.0039.251218T0500Z-251219T1500Z/ Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake.- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5NM offshore to Mid lake- Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake- 305 AM CST Wed Dec 17 2025 ...GALE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 9 AM CST FRIDAY... * WHAT...For Tonight through Thursday morning, south winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 12 ft expected. For Thursday afternoon and onwards, west to northwest winds 20 to 30 kt with gusts up to 40 kt and waves 8 to 14 ft expected. * WHERE...Southern portions of the open waters of Lake Michigan. * WHEN...From 11 PM this evening to 9 AM CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...A lull in gales may occur in the late morning and afternoon hours of Thursday before ramping back up. 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. && $$ LMZ643>646-171715- /O.CON.KMKX.SC.Y.0113.000000T0000Z-251217T1200Z/ /O.NEW.KMKX.SC.Y.0114.251218T0000Z-251219T0000Z/ /O.NEW.KMKX.GL.A.0032.251219T0000Z-251219T1200Z/ Sheboygan to Port Washington WI- Port Washington to North Point Light WI- North Point Light to Wind Point WI- Wind Point WI to Winthrop Harbor IL- 305 AM CST Wed Dec 17 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST THURSDAY... ...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH LATE THURSDAY NIGHT... * WHAT...For the first Small Craft Advisory, west winds 15 to 20 kt with gusts up to 30 kt. For the second Small Craft Advisory, south winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft expected, with a few gusts to gale force possible. For the Gale Watch, west to northwest winds 20 to 30 kt with gusts up to 35 kt possible. * WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL. * WHEN...For the first Small Craft Advisory, until 6 AM CST early this morning. For the second Small Craft Advisory, from 6 PM this evening to 6 PM CST Thursday. For the Gale Watch, from 6 PM CST Thursday evening through late Thursday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ Sheppard Action: Continued Issued At: 2025-12-17 12:20:19 784 WHUS73 KMKX 171819 MWWMKX URGENT - MARINE WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 1219 PM CST Wed Dec 17 2025 LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868- 870-872-874-876-878-180230- /O.CON.KMKX.GL.W.0039.251218T0500Z-251219T1500Z/ Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake.- 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 Sheboygan to Port Washington WI 5NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake- Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5NM offshore to Mid lake- Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake- 1219 PM CST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 9 AM CST FRIDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 40 kt and waves 8 to 13 ft expected. * WHERE...All Open Waters of Lake Michigan. * WHEN...From 11 PM this evening to 9 AM CST Friday. * 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. && $$ LMZ643>646-180230- /O.CON.KMKX.SC.Y.0114.251218T0000Z-251219T0000Z/ /O.CON.KMKX.GL.A.0032.251219T0000Z-251219T1200Z/ Sheboygan to Port Washington WI- Port Washington to North Point Light WI- North Point Light to Wind Point WI- Wind Point WI to Winthrop Harbor IL- 1219 PM CST Wed Dec 17 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST THURSDAY... ...GALE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH LATE THURSDAY NIGHT... * WHAT...For the Small Craft Advisory, south winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft expected. For the Gale Watch, west winds 20 to 30 kt with gusts up to 40 kt possible. * WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL. * WHEN...For the Small Craft Advisory, from 6 PM this evening to 6 PM CST Thursday. For the Gale Watch, from Thursday evening through late Thursday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ Action: Upgraded Issued At: 2025-12-17 14:53:52 781 WHUS73 KMKX 172053 MWWMKX URGENT - MARINE WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 253 PM CST Wed Dec 17 2025 LMZ643>646-180500- /O.CON.KMKX.SC.Y.0114.251218T0000Z-251219T0000Z/ /O.UPG.KMKX.GL.A.0032.251219T0000Z-251219T1200Z/ /O.EXB.KMKX.GL.W.0039.251219T0000Z-251219T1500Z/ 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- 253 PM CST Wed Dec 17 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST THURSDAY... ...GALE WARNING IN EFFECT FROM 6 PM THURSDAY TO 9 AM CST FRIDAY... * WHAT...For the Small Craft Advisory, south to southwest winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft expected. A few gale force gusts up to 35 kt are possible. For the Gale Warning, west winds 20 to 30 kt with gusts up to 40 kt expected. * WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL. * WHEN...For the Small Craft Advisory, from 6 PM this evening to 6 PM CST Thursday. For the Gale Warning, from 6 PM Thursday to 9 AM CST Friday. * 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. && $$ LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868- 870-872-874-876-878-180500- /O.CON.KMKX.GL.W.0039.251218T0500Z-251219T1500Z/ Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake.- 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 Sheboygan to Port Washington WI 5NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake- Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5NM offshore to Mid lake- Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake- 253 PM CST Wed Dec 17 2025 ...GALE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 9 AM CST FRIDAY... * WHAT...South-southwest winds 20 to 30 kt with gusts up to 40 kt and waves 8 to 15 ft expected through early Thursday afternoon. West-northwest winds 20 to 30 kt with gusts up to 40 kt and waves 8 to 13 ft. * WHERE...All Open Waters of Lake Michigan. * WHEN...From 11 PM this evening to 9 AM CST Friday. * 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. && $$ MRC | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||