


Hazardous Weather Outlook
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
239 FLUS43 KGRR 200825 HWOGRR Hazardous Weather Outlook National Weather Service Grand Rapids MI 425 AM EDT Wed Aug 20 2025 MIZ037>040-043>046-050>052-056>059-064>067-071>074-210830- Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon- Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton- Ingham-Van Buren-Kalamazoo-Calhoun-Jackson- 425 AM EDT Wed Aug 20 2025 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...Today and Tonight No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Thunderstorms will be possible Friday night into Saturday. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. $$ LMZ844>849-210830- St Joseph to South Haven MI-South Haven to Holland MI- Holland to Grand Haven MI-Grand Haven to Whitehall MI- Whitehall to Pentwater MI-Pentwater to Manistee MI- 425 AM EDT Wed Aug 20 2025 This hazardous weather outlook is for the nearshore waters from St Joseph to Manistee. .DAY ONE...Today and Tonight Winds and waves will be hazardous for small craft and swimmers this afternoon and early tonight north of Whitehall. During this time, there will be a lesser, but still moderate, risk of hazardous winds and waves for small craft and swimmers for the nearshore waters and beaches south of Whitehall. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Thunderstorms will be possible Friday night and Saturday. Winds and waves are also expected to be elevated over the weekend with a chance for waterspouts Sunday night into Monday. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. $$