NWS Marine Forecast


   LHZ345-181515-  Straits of Mackinac within 5 nm of Mackinac Bridge including  Mackinac Island-  213 AM EST Tue Nov 18 2025    TODAY  Northwest wind 5 to 10 knots early in the morning  becoming variable 10 knots or less. Partly cloudy then becoming  partly sunny in the morning then becoming mostly sunny. Waves  2 feet or less.  TONIGHT  Light winds. Partly cloudy. Waves 2 feet or less.  WEDNESDAY  West wind 5 to 10 knots. Partly sunny. Waves 2 feet  or less.  WEDNESDAY NIGHT  Southwest wind 5 to 10 knots. Mostly cloudy.  Waves 2 feet or less.    See the open lakes forecast for days 3 through 5.    $$