Coastal Waters Forecast for Green Bay North of line from Cedar River MI to Rock Island Passage (LMZ221) (Text-Only)
NWS Forecast for: Green Bay North of line from Cedar River MI to Rock Island Passage (LMZ221)
Issued by: National Weather Service Marquette, MI
Last Update: 502 PM EDT Sat Jul 25 2026


Late This Afternoon: South wind 10 to 15 knots. Mostly sunny. Waves 2 to 3 feet subsiding to 1 to 2 feet.

Tonight: South wind 5 to 15 knots veering west less than 10 knots with gusts up to 19 knots by midnight, then becoming variable late. Partly cloudy. A slight chance of showers and thunderstorms through late evening, then a slight chance of showers by midnight. Patchy fog by midnight. Waves 1 to 2 feet.

Sunday: South wind less than 10 knots increasing to 10 to 15 knots late. Partly cloudy. Patchy dense fog through early afternoon. A chance of showers and thunderstorms late. Waves calm to 1 foot.

Sunday Night: South wind less than 10 knots in the evening becoming variable. Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with a slight chance of showers after midnight. Waves calm to 1 foot.

Monday: East wind less than 10 knots veering southeast in the afternoon. Partly cloudy. A chance of showers in the morning, then showers likely and a chance of thunderstorms in the afternoon. Waves calm to 1 foot.







Zone Forecast: Green Bay North of line from Cedar River MI to Rock Island Passage (LMZ221)

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