Coastal Waters Forecast for Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island (LHZ345) (Text-Only)
NWS Forecast for: Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island (LHZ345)
Issued by: National Weather Service Gaylord, MI
Last Update: 228 PM EST Thu Nov 6 2025




Tonight: South wind up to 30 knots decreasing to 10 to 20 knots after midnight. Rain showers after midnight. Waves 2 feet or less building to 2 to 3 feet after midnight.

Friday: West wind 15 to 25 knots. Numerous showers. Waves 3 to 5 feet.

Friday Night: Northwest wind 15 to 25 knots. Mostly cloudy. Waves 3 to 5 feet.

Saturday: Northwest wind 5 to 10 knots. Partly sunny. Waves 2 feet or less.

see the open lakes forecast for days 3 through 5.







Zone Forecast: Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island (LHZ345)

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