Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Last Update: 558 PM EDT Sat Apr 18 2026

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Grand Rapids, MI Local Forecast Office

7NM SW Saugatuck MI

Marine Zone Forecast

Through Early Evening
West winds 20 to 25 knots. Mostly sunny. Waves 4 to 6 feet.
Tonight
West winds 15 to 25 knots. Partly cloudy. Waves 4 to 6 feet.
Sunday
West winds 15 to 20 knots veering northwest early in the afternoon. Mostly sunny with a slight chance of rain showers. Waves 3 to 5 feet.
Sunday Night
North winds 10 to 20 knots veering northeast after midnight. Mostly clear. Waves 2 to 4 feet.
Monday
Northeast winds 5 to 10 knots backing west early in the afternoon. Sunny. Waves around 1 foot.
Monday Night
South winds 5 to 10 knots increasing to 20 to 25 knots. Partly cloudy. Waves 1 to 2 feet building to 2 to 4 feet after midnight.
Tuesday
Southwest winds 15 to 25 knots. Mostly sunny. Waves 3 to 5 feet.
Wednesday
Northeast winds 10 to 15 knots backing northwest early in the afternoon. Mostly sunny. Waves around 1 foot.
Thursday
South winds 15 to 20 knots. Mostly sunny. Waves 1 to 2 feet.



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558 PM EDT Sat Apr 18 2026
 
 

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