| NWS Forecast for: Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI (LMZ521) Issued by: National Weather Service Green Bay, WI Last Update: 1212 PM CDT Wed Sep 23 2026 | |
| This Afternoon: E wind 10 to 15 kts. Waves 2 ft or less. Sunny. Tonight: E wind 5 to 10 kts veering SE in the late evening and overnight. Waves 2 ft or less. Clear. Thursday: SE wind 5 to 10 kts. Waves 2 ft or less. Sunny in the morning then becoming partly cloudy. Thursday Night: E wind 5 to 10 kts. Waves 2 ft or less. Mostly cloudy in the evening then becoming partly cloudy. | |
| Zone Forecast: Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI (LMZ521) | |
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