| NWS Forecast for: Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake (LMZ878) Issued by: National Weather Service Grand Rapids, MI Last Update: 239 AM CDT Fri Jul 4 2025 |  |
Today: South winds 10 to 15 kt. Chance of showers and thunderstorms this morning. Waves 1 to 3 ft. Tonight: South winds 10 to 15 kt becoming southwest. Waves 1 to 3 ft. Saturday: Southwest winds 10 to 20 kt becoming south 15 to 25 kt. Waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft. Saturday Night: South winds 15 to 25 kt becoming southwest. Chance of showers and thunderstorms. Waves 4 to 6 ft occasionally to 8 ft. Sunday: Southwest winds 15 to 25 kt becoming northwest 10 to 20 kt. Chance of showers in the morning, then chance of showers and thunderstorms in the afternoon. Waves 4 to 6 ft occasionally to 8 ft. Sunday Night: North winds 10 to 20 kt. Waves 2 to 4 ft. Monday: North winds 10 to 15 kt increasing to 10 to 20 kt. Waves 2 to 4 ft. Tuesday: Southwest winds 5 to 10 kt becoming south 10 to 15 kt. Waves 1 to 2 ft. | |
| Zone Forecast: Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake (LMZ878) | |
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