| NWS Forecast for: 15NM SSW Pentwater MI Lake Michigan Issued by: National Weather Service Grand Rapids, MI Last Update: 12:03 am CDT Sep 12, 2026 | |
Overnight: SSE wind 11 to 14 kt. Mostly cloudy. Waves 1 to 2 ft. Saturday: SSW wind 14 to 19 kt, with gusts as high as 26 kt. Mostly cloudy during the morning, then sunny during the afternoon. Waves 3 to 4 ft. Saturday Night: NW wind 10 to 16 kt. Mostly cloudy, then gradually becoming clear. Waves 2 to 3 ft. Sunday: N wind 11 to 18 kt becoming WNW in the afternoon. Winds could gust as high as 25 kt. A slight chance of showers. Waves 2 to 3 ft. Sunday Night: NNW wind 8 to 14 kt becoming ENE after midnight. Winds could gust as high as 20 kt. Partly cloudy. Waves 1 to 3 ft. Monday: E wind 9 to 13 kt becoming S in the afternoon. Winds could gust as high as 21 kt. Mostly sunny. Waves 1 ft or less. Monday Night: SSE wind 17 to 22 kt increasing to 23 to 28 kt after midnight. Winds could gust as high as 36 kt. Showers likely and possibly a thunderstorm after 1am. Waves 2 ft building to 8 ft. Tuesday: S wind 23 to 28 kt becoming WSW 13 to 18 kt in the afternoon. Winds could gust as high as 34 kt. Showers likely, mainly before 1pm. Waves 10 ft subsiding to 5 ft. Tuesday Night: W wind 7 to 11 kt becoming NNE after midnight. A chance of showers. Waves 1 to 3 ft. | |
| Marine Point Forecast: 43.55°N 86.57°W Associated Zone Forecast which includes this point | |
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