


Hazardous Weather Outlook
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
716 FLUS43 KGRR 230816 HWOGRR Hazardous Weather Outlook National Weather Service Grand Rapids MI 416 AM EDT Sat Aug 23 2025 MIZ037>040-043>046-050>052-056>059-064>067-071>074-240830- Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon- Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton- Ingham-Van Buren-Kalamazoo-Calhoun-Jackson- 416 AM EDT Sat Aug 23 2025 This hazardous weather outlook is for portions of southwest Lower Michigan. .DAY ONE...Today and Tonight Thunderstorms will be possible today with the best chances early this afternoon around US-127. Gusty winds and lightning are the main threats. .DAYS TWO THROUGH SEVEN...Sunday through Friday Thunderstorms will be possible, especially near the lakeshore, Sunday night into Monday. Thunderstorms are not expected to be severe but will be capable of lightning and could also include small hail. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. $$ LMZ844>849-240830- St Joseph to South Haven MI-South Haven to Holland MI- Holland to Grand Haven MI-Grand Haven to Whitehall MI- Whitehall to Pentwater MI-Pentwater to Manistee MI- 416 AM EDT Sat Aug 23 2025 This hazardous weather outlook is for the nearshore waters from St Joseph to Manistee. .DAY ONE...Today and Tonight Winds and waves will increase to hazardous levels for swimmers and small craft today and last through at least tonight. .DAYS TWO THROUGH SEVEN...Sunday through Friday Winds and waves may remain at hazardous levels for swimmers and small craft through Sunday. Thunderstorms will be possible Sunday night and Monday and there will be a slight chance for waterspouts as well. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. $$