Marine Weather Message
Issued by NWS Milwaukee/Sullivan, WI
Issued by NWS Milwaukee/Sullivan, WI
230 WHUS73 KMKX 100305 MWWMKX URGENT - MARINE WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 905 PM CST Tue Dec 9 2025 LMZ643>646-101115- /O.CON.KMKX.SC.Y.0109.000000T0000Z-251210T1100Z/ /O.CON.KMKX.GL.W.0036.251210T1100Z-251210T1800Z/ 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- 905 PM CST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM CST WEDNESDAY... ...GALE WARNING REMAINS IN EFFECT FROM 5 AM TO NOON CST WEDNESDAY... * WHAT...For the Small Craft Advisory, southwest winds 10 to 20 kt with gusts up to 25 kt expected. For the Gale Warning, south winds 20 to 30 kt with gusts up to 35 kt veering west overnight and northwest Wednesday morning. * WHERE...Nearshore Waters from Sheboygan to North Point Lighthouse. * WHEN...For the Small Craft Advisory, until 5 AM CST Wednesday. For the Gale Warning, from 5 AM to noon CST Wednesday. * 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. && $$ LMZ080-673-675-777-779-874-876-878-101115- /O.CON.KMKX.GL.W.0036.000000T0000Z-251211T0000Z/ Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake.- Lake Michigan from North Point Light to Wind Point WI 5NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5NM offshore to Mid lake- Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake- 905 PM CST Tue Dec 9 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM CST WEDNESDAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 40 knots tonight. Northwest winds 20 to 30 kt with gusts up to 40 kt on Wednesday. Waves 10 to 15 ft expected. * WHERE...Southern Third of the Open Waters of Lake Michigan. * WHEN...Until 6 PM CST Wednesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ LMZ366-565-567-669-671-868-870-872-101115- /O.CON.KMKX.GL.W.0036.251210T1100Z-251211T0000Z/ Lake Michigan from Point Betsie to Manistee MI 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 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- 905 PM CST Tue Dec 9 2025 ...GALE WARNING REMAINS IN EFFECT FROM 5 AM TO 6 PM CST WEDNESDAY... * WHAT...North winds 25 to 30 kt with gusts up to 35 kt and waves 8 to 13 ft expected. * WHERE...Central Third of the Open Waters of Lake Michigan. * WHEN...From 5 AM to 6 PM CST Wednesday. * 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