NWS Marine Forecast


   LHZ345-210245-  Straits of Mackinac within 5 nm of Mackinac Bridge including  Mackinac Island-  243 PM EDT Mon Apr 20 2026    SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING  THROUGH TUESDAY MORNING    TONIGHT  South wind 10 to 20 knots with gusts up to 25 knots.  Mostly cloudy. Waves 2 feet or less.  TUESDAY  West wind 10 to 15 knots. Sunny. Waves 2 feet or less.  TUESDAY NIGHT  North wind 5 to 10 knots. Mostly clear. Waves  2 feet or less.  WEDNESDAY  Light winds. Sunny. Waves 2 feet or less.    See the open lakes forecast for days 3 through 5.    $$