NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
 Dense Smoke Advisory
   LSZ250-182000-  Munising to Grand Marais MI-  500 AM EDT Sat Jul 18 2026    DENSE SMOKE ADVISORY IN EFFECT UNTIL 8 PM EDT SUNDAY  SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING    EARLY THIS MORNING  Northwest wind 15 to 20 knots. Cloudy.  Patchy smoke. Waves 2 to 4 feet.  TODAY  Northwest wind 10 to 20 knots. Cloudy through mid  morning then becoming partly cloudy. Smoke. Waves building to  3 to 5 feet occasionally to 7 feet, then subsiding to 2 to  4 feet.  TONIGHT  Northwest wind 10 to 15 knots diminishing to less than  10 knots with gusts up to 17 knots by midnight, then becoming  variable late. Partly cloudy through late evening then becoming  mostly cloudy. Smoke through midnight, then patchy smoke late.  Waves subsiding to 1 to 2 feet.  SUNDAY  Variable wind less than 10 knots. Partly cloudy. Patchy  smoke through the day. Waves calm to 1 foot.  SUNDAY NIGHT  South wind 5 to 15 knots with gusts up to  22 knots. Partly cloudy. Patchy smoke in the evening. A chance of  showers and a slight chance of thunderstorms after midnight.  Waves building to 1 to 2 feet.    $$