| NWS Forecast for: Rock Island Passage to Sturgeon Bay WI (LMZ541) Issued by: National Weather Service Green Bay, WI Last Update: 124 AM CDT Wed Sep 16 2026 | |
| Rest Of The Night: N wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. Wednesday: NE wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy in the morning then becoming mostly sunny. Wednesday Night: E wind 5 to 10 kts. Waves 2 ft or less. A chance of showers. Thursday: N wind 5 to 10 kts. Waves 2 ft or less. Mostly cloudy in the morning then becoming partly cloudy. | |
| Zone Forecast: Rock Island Passage to Sturgeon Bay WI (LMZ541) | |
Visit your local NWS office at: https://www.weather.gov/grb |