NWS Marine Forecast



 Hazardous marine condition(s):
 Dense Fog Advisory
 Small Craft Advisory
 Hazardous Weather Outlook
   LMZ847-172100-  Grand Haven to Whitehall MI-  1101 AM EDT Fri Apr 17 2026    DENSE FOG ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING  SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH  SUNDAY MORNING    REST OF TODAY  Southeast winds 10 to 20 knots. Partly sunny. Waves  1 to 3 feet.  TONIGHT  South winds to 30 knots veering southwest after midnight.  Rain showers and a chance of thunderstorms. Patchy dense fog. Waves  2 to 4 feet building to 4 to 6 feet in the late evening and  overnight.  SATURDAY  West winds to 30 knots. Partly sunny with rain showers.  Waves 5 to 7 feet.  SATURDAY NIGHT  West winds to 30 knots. Partly cloudy. Waves 4 to  6 feet.  SUNDAY  Northwest winds 15 to 25 knots. Sunny. Waves 4 to 6 feet.  MONDAY  Northeast winds around 10 knots veering southwest early in  the afternoon. Sunny. Waves 1 foot or less.  TUESDAY  South winds to 30 knots. Mostly sunny. Waves 6 to 8 feet.    $$