


NWS Forecast for: Rock Island Passage to Sturgeon Bay WI (LMZ541) Issued by: National Weather Service Green Bay, WI Last Update: 453 PM CDT Fri Jul 18 2025 | ![]() |
Rest Of This Afternoon: S wind 5 to 10 kts. Partly cloudy. Waves 2 ft or less. Tonight: S wind 5 to 10 kts. A slight chance of light showers and thunderstorms after midnight. Waves 2 ft or less. Saturday: S wind 5 to 10 kts veering NW in the afternoon. Showers likely in the morning. A chance of thunderstorms. A chance of light showers in the afternoon. Waves 2 ft or less. Saturday Night: N wind 5 to 10 kts. Partly cloudy. Waves 2 ft or less. Sunday: N wind 5 to 10 kts veering E in the afternoon. Mostly sunny. Waves 2 ft or less. | |
Zone Forecast: Rock Island Passage to Sturgeon Bay WI (LMZ541) | |
Visit your local NWS office at: https://www.weather.gov/grb |