NWS Marine Forecast


   LHZ347-201700-  5NM East of Mackinac Bridge to Presque Isle Light MI including  Bois Blanc Island-  349 AM EST Thu Nov 20 2025    TODAY  Southwest wind 10 to 15 knots. Slight chance of rain and  snow showers in the morning. Chance of showers in the afternoon.  Waves 2 feet or less.  TONIGHT  West wind 10 to 15 knots. Chance of showers. Waves  2 to 3 feet.  FRIDAY  West wind 10 to 20 knots. Partly sunny. Waves 2 to  4 feet.  FRIDAY NIGHT  Northwest wind 15 to 20 knots. Mostly cloudy.  Waves 2 to 4 feet.    See the open lakes forecast for days 3 through 5.    $$