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FLUS43 KGRR 210326
HWOGRR

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
1126 PM EDT Wed Aug 20 2025

MIZ037>040-043>046-050>052-056>059-064>067-071>074-210900-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
1126 PM EDT Wed Aug 20 2025

This hazardous weather outlook is for portions of southwest Lower
Michigan.

.DAY ONE...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>849-210900-
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-
1126 PM EDT Wed Aug 20 2025

This hazardous weather outlook is for the nearshore waters from
St Joseph to Manistee.

.DAY ONE...Tonight

Hazardous waves for small craft and swimmers is expected for a
short duration tonight between Holland and St Joseph.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Thunderstorms will be possible Friday night and Saturday. Winds
and waves are also expected to increase over the weekend with a
chance for hazards to swimmers and small craft. There is a chance
for waterspouts Sunday night into Monday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$