NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   LMZ541-041400-  Rock Island Passage to Sturgeon Bay WI-  218 AM CST Tue Nov 4 2025    SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH  WEDNESDAY AFTERNOON    EARLY IN THE MORNING  W wind 10 to 20 kts. Partly cloudy. Waves  1 to 3 ft.  TODAY  W wind 10 to 15 kts backing SW 5 to 10 kts in the  afternoon. Mostly cloudy. Waves 2 ft or less.  TONIGHT  S wind 10 to 20 kts. A chance of sprinkles in the  evening, then a chance of light rain after midnight. Waves 1 to  3 ft building to 2 to 4 ft after midnight.  WEDNESDAY  NW wind 15 to 25 kts with gusts to around 30 kts. A  chance of light rain in the morning. Waves 3 to 5 ft subsiding to  2 to 4 ft late in the afternoon.  WEDNESDAY NIGHT  NW wind 10 to 20 kts with gusts to around  25 kts decreasing to 5 to 10 kts after midnight. Mostly clear.  Waves 1 to 3 ft.    $$