Marine Weather Message
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
502 WHUS73 KDTX 240843 MWWDTX URGENT - MARINE WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 343 AM EST Mon Nov 24 2025 LHZ361-362-242130- /O.NEW.KDTX.GL.A.0019.251126T1500Z-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- 343 AM EST Mon Nov 24 2025 ...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH FRIDAY MORNING... * WHAT...Expect sustained winds up to 35 knots from the west with gusts up to 45 knots. The largest significant waves will be 14 feet with a potential maximum wave height of 20 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 Wednesday. * 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. && $$ LHZ363-462-242130- /O.NEW.KDTX.GL.A.0019.251126T1200Z-251128T1500Z/ Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- 343 AM EST Mon Nov 24 2025 ...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH FRIDAY MORNING... * WHAT...Expect sustained winds up to 35 knots from the west with gusts up to 45 knots. The largest significant waves will be 15 feet with a potential maximum wave height of 22 feet. * WHERE...Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore and Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore. * WHEN...The maximum winds are expected around 7 PM EST Wednesday with the largest waves expected around 9 PM EST Wednesday. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ LHZ421-422-441-242130- /O.NEW.KDTX.GL.A.0019.251126T1200Z-251128T1500Z/ Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- Port Austin to Harbor Beach MI- 343 AM EST Mon Nov 24 2025 ...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH FRIDAY MORNING... * WHAT...Expect sustained winds up to 35 knots from the west with gusts up to 45 knots. The largest significant waves will be 9 feet with a potential maximum wave height of 13 feet on the outer Bay. * WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay, Inner Saginaw Bay SW of Point Au Gres to Bay Port MI 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 Wednesday. * 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. && $$ LHZ442-443-463-464-242130- /O.NEW.KDTX.GL.A.0019.251126T1200Z-251128T1500Z/ Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 343 AM EST Mon Nov 24 2025 ...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH FRIDAY MORNING... * WHAT...Expect sustained winds up to 35 knots from the west with gusts up to 45 knots. The largest significant waves will be 11 feet with a potential maximum wave height of 16 feet. * WHERE...Harbor Beach to Port Sanilac MI, Port Sanilac to Port Huron MI, Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore and Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore. * WHEN...The maximum winds are expected around 8 PM EST Thursday with the largest waves expected around 10 PM EST Thursday. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ LCZ460-LEZ444-242130- /O.NEW.KDTX.GL.A.0019.251126T1200Z-251128T0600Z/ Lake St Clair- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 343 AM EST Mon Nov 24 2025 ...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE THURSDAY NIGHT... * WHAT...Expect sustained winds up to 30 knots from the west with gusts up to 40 knots. The largest significant waves will be 4 feet with a potential maximum wave height of 6 feet on Lake Erie. * WHERE...In Lake St Clair, Lake St Clair. In Lake Erie, Michigan Waters of Lake Erie from Detroit River to North Cape MI. * WHEN...The maximum winds are expected around 8 PM EST Wednesday with the largest waves expected around 10 PM EST Wednesday. * 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. && $$