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: 1017 PM EDT Thu Sep 18 2025


Overnight: East wind 5 to 10 knots. Partly cloudy early in the evening then becoming mostly cloudy. Waves 2 feet or less.

Friday: East wind 10 to 15 knots. Mostly sunny. Waves 2 feet or less.

Friday Night: East wind 10 to 15 knots. Partly cloudy. Waves 2 to 3 feet.

Saturday: East wind 10 to 20 knots. Partly sunny. Waves 3 to 5 feet.

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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