217
FLUS43 KGRR 130751
HWOGRR

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
351 AM EDT Wed Aug 13 2025

MIZ037>040-043>046-050>052-056>059-064>067-071>074-140800-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
351 AM EDT Wed Aug 13 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

Hot and humid weather returns for Saturday and Sunday along with
chances for thunderstorms.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

LMZ844>849-140800-
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-
351 AM EDT Wed Aug 13 2025

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

.DAY ONE...Today and Tonight

A moderate swim risk and 2 to 4 ft waves may build this afternoon
between Whitehall and South Haven.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Thunderstorms over Lake Michigan are possible at times Saturday
into Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$