Wildfire Smoke and Severe Thunderstorms in the East; Monsoon Thunderstorms in the Southwest

Wildfire smoke continues to impact air quality from the Great Lakes region into New England and the Mid-Atlantic today with widespread Air Quality Alerts in effect. Severe thunderstorms are expected across portions of the Ohio Valley and Lower Great Lakes into the Mid-Atlantic and Northeast, this afternoon into the evening. Monsoonal thunderstorms may bring areas of flooding to the Southwest. Read More >

Last Update: 424 PM EDT Sat Jul 18 2026

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Grand Rapids, MI Local Forecast Office

7NM NW Ludington MI

Marine Zone Forecast

Through Early Evening
North winds 20 to 25 knots. Sunny. Areas of smoke. Waves 3 to 5 feet.
Tonight
North winds to 30 knots becoming northeast 5 to 15 knots after midnight. Mostly clear. Areas of smoke. Waves 3 to 5 feet subsiding to 2 to 3 feet after midnight.
Sunday
Northeast winds 5 to 10 knots backing northwest 10 to 15 knots early in the afternoon. Sunny. Areas of smoke. Waves 1 to 2 feet.
Sunday Night
West winds 5 to 15 knots backing south in the late evening and overnight. Mostly clear. Waves around 1 foot.
Monday
South winds to 30 knots. Partly sunny. Waves 2 to 3 feet building to 5 to 7 feet.
Monday Night
Southwest winds to 30 knots. Rain showers and a chance of thunderstorms. Waves 6 to 8 feet.
Tuesday
West winds 15 to 25 knots veering northwest to 30 knots in the late morning and afternoon. Mostly sunny. Waves 5 to 7 feet.
Wednesday
North winds to 30 knots. Mostly sunny. Waves 7 to 10 feet.
Thursday
Southwest winds 10 to 20 knots. Sunny. Waves 1 to 2 feet.



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424 PM EDT Sat Jul 18 2026
 
 

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