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: 1007 AM EST Tue Jan 20 2026


Today: West wind 15 to 25 knots. Partly sunny. Waves 2 feet or less.

Tonight: Southwest wind 15 to 20 knots. Slight chance of snow showers. Waves 2 feet or less.

Wednesday: Southwest wind 5 to 10 knots. Chance of snow showers. Waves 2 feet or less.

Wednesday Night: West wind 10 to 20 knots. Mostly cloudy. Waves 2 feet or less.

wave heights are valid for ice free areas.

see the open lakes forecast for days 3 through 5.

this is the last nearshore issuance of the season. The nearshore forecast will resume no later than march 25 2026.







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

Visit your local NWS office at: https://www.weather.gov/apx