NWS Marine Forecast


   LHZ347-211130-  5NM East of Mackinac Bridge to Presque Isle Light MI including  Bois Blanc Island-  1124 PM EDT Tue May 20 2025    SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT    OVERNIGHT  East wind 10 to 20 knots gusting up to 25. Mostly  cloudy. Waves 2 feet or less building to 2 to 4 feet after  midnight.  WEDNESDAY  East wind 10 to 20 knots. Slight chance of showers.  Waves 2 to 4 feet.  WEDNESDAY NIGHT  Northeast wind 10 to 15 knots with gusts to  around 30 knots. Chance of showers. Waves 2 to 3 feet.  THURSDAY  North wind 10 to 15 knots. Chance of showers. Waves  2 to 3 feet.    Wave heights are valid for ice free areas.    See the open lakes forecast for days 3 through 5.    $$