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: 1100 PM EDT Sat May 23 2026


Rest Of Tonight: East wind 5 to 15 knots by midnight becoming variable. Cloudy. A slight chance of rain showers late. Waves 2 to 3 feet subsiding to 1 to 2 feet.

Sunday: Variable wind less than 10 knots becoming south less than 10 knots by late morning. Cloudy with a slight chance of showers through mid morning, then mostly sunny by late morning. Waves calm to 1 foot.

Sunday Night: South wind less than 10 knots veering southwest after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves calm to 1 foot.

Monday: Southwest wind less than 10 knots backing south 10 to 15 knots in the afternoon. Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Waves building to 1 to 2 feet.







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

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