095
FLUS43 KGRR 090913
HWOGRR

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
513 AM EDT Sat Aug 9 2025

MIZ037>040-043>046-050>052-056>059-064>067-071>074-100915-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
513 AM EDT Sat Aug 9 2025

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

.DAY ONE...Today and Tonight

Thunderstorms are possible tonight into tomorrow. The best chance
of storms will be west of U.S.-131 and north of I-96. Some
stronger wind gusts, lightning, and heavy downpours will be
possible.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Thunderstorms will be possible on and off Sunday through Tuesday,
with heavy downpours possible Monday night into Tuesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be likely.


$$

LMZ844>849-100915-
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-
513 AM EDT Sat Aug 9 2025

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

.DAY ONE...Today and Tonight

Winds and waves will become hazardous to swimmers and Small Craft
this afternoon and evening.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Conditions could become hazardous to swimmers and small craft
again on Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be likely.

$$