| 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: 313 PM CST Fri Jan 23 2026 |  |
| Late This Afternoon: W wind 10 to 15 kts. Waves 2 ft or less. Mostly sunny. Tonight: W wind 10 to 15 kts. Waves 2 ft or less. Clear. Saturday: SW wind 5 to 10 kts. Waves 2 ft or less. Mostly sunny in the morning then becoming partly cloudy. Saturday Night: W wind 5 to 10 kts veering NW after midnight. Waves 2 ft or less. Mostly cloudy. Sunday: N wind 5 to 10 kts. Waves 2 ft or less. Mostly 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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