| NWS Forecast for: Rock Island Passage to Sturgeon Bay WI (LMZ541) Issued by: National Weather Service Green Bay, WI Last Update: 123 PM CDT Thu Jul 23 2026 |  |
This Afternoon: SW wind 10 to 15 kts. Waves 1 to 3 ft. Sunny. Tonight: SW wind 10 to 15 kts. Waves 1 to 3 ft. Clear. Friday: S wind 10 to 15 kts. Waves 2 ft or less building to 2 to 4 ft in the afternoon. Sunny. Friday Night: SW wind 10 to 20 kts. Waves 3 to 5 ft. Clear in the evening 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 |