NWS Marine Forecast



 Hazardous marine condition(s):
 Gale Watch
 Dense Smoke Advisory
 Small Craft Advisory
   LSZ249-202000-  Marquette to Munising MI-  501 AM EDT Mon Jul 20 2026    DENSE SMOKE ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING  SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING  THROUGH THIS EVENING  GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH LATE TUESDAY  NIGHT    EARLY THIS MORNING  Southwest wind 10 to 15 knots with gusts up  to 23 knots. Mostly cloudy with a slight chance of showers and  thunderstorms. Patchy smoke. Waves 1 to 2 feet.  TODAY  South wind 15 to 20 knots with gusts up to 29 knots.  Mostly cloudy. Patchy smoke through early afternoon. A chance of  showers in the morning. A chance of thunderstorms through the  day. Showers likely in the afternoon. Some thunderstorms may be  severe by late morning. Waves building to 2 to 3 feet.  TONIGHT  Southwest wind 10 to 15 knots veering west 15 to  20 knots late. Gusts up to 29 knots. Mostly cloudy then becoming  mostly clear by midnight then becoming mostly cloudy. Showers  likely and a chance of thunderstorms through late evening, then a  slight chance of thunderstorms by midnight. A slight chance of  showers by midnight. Patchy smoke by midnight. Some thunderstorms  may be severe. Waves subsiding to 1 to 2 feet, then building to  3 to 5 feet occasionally to 7 feet.  TUESDAY  Northwest wind up to 30 knots with gale force gusts up  to 40 knots. Mostly cloudy. A chance of showers in the morning,  then a slight chance of showers in the afternoon. Waves building  to 9 to 12 feet occasionally to 15 feet, then subsiding to 8 to  11 feet occasionally to 14 feet.  TUESDAY NIGHT  Northwest wind up to 30 knots with gale force  gusts up to 38 knots. Partly cloudy in the evening then clearing.  Waves subsiding to 4 to 7 feet occasionally to 9 feet.    $$