Marine Weather Message
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
765 WHUS73 KDTX 252045 MWWDTX URGENT - MARINE WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 345 PM EST Tue Nov 25 2025 LEZ444-260900- /O.CON.KDTX.GL.W.0026.251126T1200Z-251128T0900Z/ /O.CON.KDTX.LO.Y.0009.251126T1200Z-251128T0900Z/ Michigan Waters of Lake Erie from Detroit River to North Cape MI- 345 PM EST Tue Nov 25 2025 ...GALE WARNING REMAINS IN EFFECT FROM 7 AM WEDNESDAY TO 4 AM EST FRIDAY... ...LOW WATER ADVISORY REMAINS IN EFFECT FROM 7 AM WEDNESDAY TO 4 AM EST FRIDAY... * WHAT...During the Gale Warning, expect sustained winds up to 37 knots from the west with gusts up to 42 knots. The largest significant waves will be 7 feet with a potential maximum wave height of 10 feet. During the Low Water Advisory, abnormally low water levels expected. * WHERE...Michigan Waters of Lake Erie from Detroit River to North Cape MI. * WHEN...The maximum winds are expected around 7 PM EST Wednesday with the largest waves expected around 8 PM EST Wednesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. Below normal water levels will result in hazardous navigating conditions. * ADDITIONAL DETAILS...An abrupt push of strong southwest winds on Lake Erie on Wednesday will allow for water levels to drop in the western basin. Water levels will remain low through Thursday night. The critical mark for safe navigation is five inches below low water datum. Water levels for the western basin are expected to drop to several feet below low water datum on Wednesday and Thursday. 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 hazardous conditions. Mariners should navigate shallow waters with extreme caution due to below normal water levels. && $$ LHZ422-260900- /O.CON.KDTX.GL.W.0026.251126T1200Z-251128T1500Z/ /O.CON.KDTX.LO.Y.0009.251126T1200Z-251127T0500Z/ Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 345 PM EST Tue Nov 25 2025 ...GALE WARNING REMAINS IN EFFECT FROM 7 AM WEDNESDAY TO 10 AM EST FRIDAY... ...LOW WATER ADVISORY REMAINS IN EFFECT FROM 7 AM WEDNESDAY TO MIDNIGHT EST WEDNESDAY NIGHT... * WHAT...During the Gale Warning, expect sustained winds up to 37 knots from the west with gusts up to 45 knots. The largest significant waves will be 6 feet with a potential maximum wave height of 8 feet. During the Low Water Advisory, abnormally low water levels expected. * WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI. * WHEN...The maximum winds are expected around 6 PM EST Wednesday with the largest waves expected around 8 PM EST Wednesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. Below normal water levels will result in hazardous navigating conditions. * ADDITIONAL DETAILS...Strong southwest winds Wednesday will cause water levels to drop through the morning hours. The critical mark for safe navigation is 10 inches below low water datum. Water levels are expected to reach 2 feet below low water datum through the afternoon before recovering through the evening hours. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. Mariners should navigate shallow waters with extreme caution due to below normal water levels. && $$ LHZ361-362-260900- /O.CON.KDTX.GL.W.0026.251126T1700Z-251128T1200Z/ Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- 345 PM EST Tue Nov 25 2025 ...GALE WARNING REMAINS IN EFFECT FROM NOON WEDNESDAY TO 7 AM EST FRIDAY... * WHAT...Expect sustained winds up to 37 knots from the northwest with gusts up to 41 knots. The largest significant waves will be 16 feet with a potential maximum wave height of 23 feet. * WHERE...Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore and Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore. * WHEN...The maximum winds are expected around 4 PM EST Thursday with the largest waves expected around 8 PM EST Thursday. * 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 hazardous conditions. && $$ LHZ363-462-260900- /O.CON.KDTX.GL.W.0026.251126T1200Z-251128T1500Z/ Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- 345 PM EST Tue Nov 25 2025 ...GALE WARNING REMAINS IN EFFECT FROM 7 AM WEDNESDAY TO 10 AM EST FRIDAY... * WHAT...Expect sustained winds up to 39 knots from the west with gusts up to 44 knots. The largest significant waves will be 18 feet with a potential maximum wave height of 26 feet. * WHERE...Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore and Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore. * WHEN...The maximum winds are expected around 6 PM EST Thursday with the largest waves expected around 9 PM EST Thursday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LHZ421-441-260900- /O.CON.KDTX.GL.W.0026.251126T1200Z-251128T1500Z/ Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay-Port Austin to Harbor Beach MI- 345 PM EST Tue Nov 25 2025 ...GALE WARNING REMAINS IN EFFECT FROM 7 AM WEDNESDAY TO 10 AM EST FRIDAY... * WHAT...Expect sustained winds up to 38 knots from the west with gusts up to 45 knots. The largest significant waves will be 11 feet with a potential maximum wave height of 16 feet. * WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay and Port Austin to Harbor Beach MI. * WHEN...The maximum winds are expected around 7 PM EST Wednesday with the largest waves expected around 9 PM EST Thursday. * 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 hazardous conditions. && $$ LHZ442-443-463-464-260900- /O.CON.KDTX.GL.W.0026.251126T1200Z-251128T1500Z/ Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 345 PM EST Tue Nov 25 2025 ...GALE WARNING REMAINS IN EFFECT FROM 7 AM WEDNESDAY TO 10 AM EST FRIDAY... * WHAT...Expect sustained winds up to 38 knots from the west with gusts up to 44 knots. The largest significant waves will be 15 feet with a potential maximum wave height of 22 feet. * WHERE...Harbor Beach to Port Sanilac MI, Port Sanilac to Port Huron MI, Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore and Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore. * WHEN...The maximum winds are expected around 8 PM EST Wednesday with the largest waves expected around 10 PM EST Thursday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LCZ460-260900- /O.CON.KDTX.GL.W.0026.251126T1200Z-251128T0900Z/ Lake St Clair- 345 PM EST Tue Nov 25 2025 ...GALE WARNING REMAINS IN EFFECT FROM 7 AM WEDNESDAY TO 4 AM EST FRIDAY... * WHAT...Expect sustained winds up to 36 knots from the west with gusts up to 41 knots. The largest significant waves will be 5 feet with a potential maximum wave height of 7 feet. * WHERE...Lake St Clair. * WHEN...The maximum winds are expected around 7 PM EST Wednesday with the largest waves expected around 8 PM EST 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 hazardous conditions. && $$