Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast
Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >
| NWS Forecast for: Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake (LMZ868) Issued by: National Weather Service Grand Rapids, MI Last Update: 250 PM CDT Thu Apr 16 2026 |  |
Tonight: Northeast winds 5 to 10 kt veering to southeast. Patchy dense fog this evening, then areas of dense fog overnight. Waves 1 to 2 ft. Friday: Southeast winds 10 to 15 kt increasing to 15 to 25 kt. Areas of dense fog in the morning, then patchy dense fog in the afternoon. Waves 1 to 3 ft building to 3 to 5 ft. Friday Night: Southeast winds 15 to 25 kt becoming southwest. Rain showers with a chance of thunderstorms. Waves 5 to 8 ft occasionally to 10 ft. Saturday: West winds 15 to 25 kt. Chance of rain showers. Waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft occasionally to 8 ft. Saturday Night: West winds 15 to 25 kt becoming northwest to 30 kt. Waves 4 to 6 ft occasionally to 8 ft. Sunday: Northwest winds to 30 kt. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft. Sunday Night: North winds 15 to 25 kt diminishing to 10 to 20 kt. Waves 2 to 4 ft. Monday: Southwest winds 10 to 15 kt becoming south 10 to 20 kt. Waves 2 to 4 ft. Tuesday: Southwest gales to 35 kt diminishing to 15 to 25 kt. Waves 7 to 10 ft occasionally to 13 ft. | |
| Zone Forecast: Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake (LMZ868) | |
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