NWS Marine Forecast


   LSZ250-170800-  Munising to Grand Marais MI-  500 PM EDT Thu Apr 16 2026    LATE THIS AFTERNOON  Northeast wind less than 10 knots. Partly  cloudy. Patchy dense fog. Waves calm to 1 foot.  TONIGHT  East wind less than 10 knots veering southeast by  midnight. Gusts up to 18 knots. Partly cloudy. Patchy fog through  late evening, then areas of dense fog by midnight. Waves calm to  1 foot.  FRIDAY  South wind 10 to 20 knots increasing to 20 to 25 knots  late. Partly cloudy. Patchy dense fog through mid morning. Waves  building to 2 to 4 feet.  FRIDAY NIGHT  South wind 20 to 25 knots veering west after  midnight. Rain showers and a chance of thunderstorms in the  evening, then rain showers and a slight chance of thunderstorms  after midnight. Waves building to 4 to 7 feet occasionally to  9 feet.  SATURDAY  Northwest wind up to 30 knots with gale force gusts  up to 37 knots. Mostly cloudy. A chance of rain showers possibly  mixed with snow showers in the morning, then a slight chance of  snow showers possibly mixed with rain showers and freezing rain  in the afternoon. Waves building to 9 to 12 feet occasionally to  15 feet.    $$