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: 501 AM EDT Sat Jun 20 2026
Print


Early This Morning: North wind less than 10 knots. Mostly cloudy. Waves calm to 1 foot.

Today: North wind less than 10 knots veering south by late morning, then veering southwest late. Mostly cloudy. A slight chance of showers and thunderstorms by late morning. A chance of showers and a slight chance of thunderstorms late. Waves calm to 1 foot.

Tonight: Variable wind less than 10 knots. Partly cloudy. Waves calm to 1 foot.

Sunday: South wind less than 10 knots. Partly cloudy. Waves calm to 1 foot.

Sunday Night: North wind 5 to 15 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves building to 1 to 2 feet.







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

Visit your local NWS office at: https://www.weather.gov/mqt/