Marine Weather Message
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
914 WHUS73 KDTX 180807 MWWDTX URGENT - MARINE WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 407 AM EDT Sat Oct 18 2025 LHZ421-182015- /O.CON.KDTX.SC.Y.0074.000000T0000Z-251018T2000Z/ /O.CON.KDTX.GL.A.0015.251019T1900Z-251020T0900Z/ Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 407 AM EDT Sat Oct 18 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... ...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... * WHAT...During the Small Craft Advisory, expect sustained winds up to 18 knots from the south with gusts up to 25 knots. The largest significant waves will be 3 feet with a potential maximum wave height of 4 feet. During the Gale Watch, expect sustained winds up to 26 knots from the northwest with gusts up to 36 knots. The largest significant waves will be 6 feet with a potential maximum wave height of 8 feet. * WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay. * WHEN...During the Small Craft Advisory, the maximum winds are expected around 11 PM EDT Friday with the largest waves expected around 5 AM EDT Saturday. During the Gale Watch, the maximum winds are expected around 6 PM EDT Sunday with the largest waves expected around 9 PM EDT Sunday. * 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. && $$ LHZ441-442-182015- /O.CON.KDTX.SC.Y.0074.000000T0000Z-251018T2000Z/ /O.CON.KDTX.GL.A.0015.251019T1900Z-251020T0900Z/ Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI- 407 AM EDT Sat Oct 18 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... ...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... * WHAT...During the Small Craft Advisory, expect sustained winds up to 17 knots from the south with gusts up to 25 knots. The largest significant waves will be 4 feet with a potential maximum wave height of 5 feet. During the Gale Watch, expect sustained winds up to 26 knots from the west with gusts up to 34 knots. The largest significant waves will be 7 feet with a potential maximum wave height of 10 feet. * WHERE...Port Austin to Harbor Beach MI and Harbor Beach to Port Sanilac MI. * WHEN...During the Small Craft Advisory, the maximum winds are expected around 11 PM EDT Friday with the largest waves expected around 12 AM EDT Saturday. During the Gale Watch, the maximum winds are expected around 6 PM EDT Sunday with the largest waves expected around 11 PM EDT Sunday. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ LHZ361>363-182015- /O.CON.KDTX.GL.A.0015.251019T1900Z-251020T0900Z/ 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- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- 407 AM EDT Sat Oct 18 2025 ...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... * WHAT...Expect sustained winds up to 31 knots from the northwest with gusts up to 38 knots. The largest significant waves will be 10 feet with a potential maximum wave height of 14 feet. * WHERE...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 and Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore. * WHEN...The maximum winds are expected around 6 PM EDT Sunday with the largest waves expected around 9 PM EDT Sunday. * 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. && $$ LHZ462-463-182015- /O.CON.KDTX.GL.A.0015.251019T1900Z-251020T0900Z/ Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- 407 AM EDT Sat Oct 18 2025 ...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... * WHAT...Expect sustained winds up to 29 knots from the west with gusts up to 35 knots. The largest significant waves will be 10 feet with a potential maximum wave height of 14 feet. * WHERE...Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore and Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore. * WHEN...The maximum winds are expected around 9 PM EDT Sunday with the largest waves expected around 11 PM EDT Sunday. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ LHZ422-182015- /O.CON.KDTX.GL.A.0015.251019T1900Z-251020T0900Z/ Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 407 AM EDT Sat Oct 18 2025 ...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... * WHAT...Expect sustained winds up to 26 knots from the northwest with gusts up to 35 knots. The largest significant waves will be 4 feet with a potential maximum wave height of 5 feet. * WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI. * WHEN...The maximum winds are expected around 6 PM EDT Sunday with the largest waves expected around 8 PM EDT Sunday. * 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. && $$