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 AM EDT Sat Jul 25 2026
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Early This Morning: Southwest wind 10 to 15 knots. Mostly cloudy. Waves 2 to 3 feet subsiding to 1 to 2 feet.

Today: South wind 10 to 15 knots. Partly cloudy. A slight chance of showers through mid morning, then a slight chance of showers and thunderstorms by late morning. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet.

Tonight: South wind less than 10 knots with gusts up to 18 knots through late evening becoming variable. Partly cloudy. A slight chance of showers and thunderstorms through late evening. Waves 1 to 2 feet.

Sunday: South wind less than 10 knots increasing to 10 to 15 knots in the afternoon. Mostly cloudy. A chance of thunderstorms and a slight chance of showers in the afternoon. Waves calm to 1 foot.

Sunday Night: Southwest wind less than 10 knots. Mostly cloudy. A chance of showers and a slight chance of thunderstorms in the evening, then showers likely and a slight chance of thunderstorms after midnight. 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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