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🟡 Moderate

Gale Watch

Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay; Port Austin to Harbor Beach MI; Harbor Beach to Port Sanilac MI; Port Sanilac to Port Huron MI

Gale Watch issued December 17 at 3:42PM EST until December 19 at 7:00PM EST by NWS Detroit/Pontiac MI

Alert Description

* WHAT...During the Small Craft Advisory, expect sustained winds up to 24 knots from the south with gusts up to 34 knots. The largest significant waves will be 5 feet with a potential maximum wave height of 7 feet. During the Gale Watch, expect sustained winds up to 29 knots from the west with gusts up to 37 knots. The largest significant waves will be 7 feet with a potential maximum wave height of 10 feet. * WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay, Port Austin to Harbor Beach MI, Harbor Beach to Port Sanilac MI and Port Sanilac to Port Huron MI. * WHEN...During the Small Craft Advisory, the maximum winds are expected around 10 AM EST Thursday with the largest waves expected around 11 AM EST Thursday. During the Gale Watch, the maximum winds are expected around 6 AM EST Friday with the largest waves expected around 3 PM EST Friday. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility.

Safety Instructions

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.

Time Information

Effective
Dec 19, 2025, 5:00 AM
Expires
Dec 18, 2025, 9:30 AM
Issued
Dec 17, 2025, 8:42 PM

Alert Details

Severity
Moderate
Urgency
Future
Certainty
Possible
Category
Met

Issued By

NWS Detroit/Pontiac MI
National Weather Service

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