| NWS Forecast for: Rock Island Passage to Sturgeon Bay WI (LMZ541) Issued by: National Weather Service Green Bay, WI Last Update: 1011 AM CST Fri Jan 23 2026 |  |
This Afternoon: W wind 15 to 25 kts. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon. Mostly sunny during the morning then becoming partly cloudy. Tonight: W wind 10 to 20 kts. Waves 2 ft or less. Partly cloudy. Saturday: W wind 10 to 15 kts. Waves 2 ft or less. Partly cloudy. Saturday Night: W wind 5 to 10 kts veering NW after midnight. Waves 2 ft or less. Mostly cloudy. | |
| Zone Forecast: Rock Island Passage to Sturgeon Bay WI (LMZ541) | |
Visit your local NWS office at: https://www.weather.gov/grb |