964
FLUS43 KGRR 180841
HWOGRR

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
441 AM EDT Sat Oct 18 2025

MIZ037>040-043>046-050>052-056>059-064>067-071>074-190845-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
441 AM EDT Sat Oct 18 2025

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

.DAY ONE...Today and Tonight

Thunderstorms will be likely at times today and tonight. Some
storms could become locally strong with wind gusts to 50 mph and
hail up to the size of a penny possible. The best chance of strong
storms will be south of a line from Kalamazoo to Lansing. Locally
heavy rainfall will be possible, especially tonight east of
U.S.-131.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

An isolated thunderstorm will be possible Sunday morning. Severe
weather is not expected.

Gusty winds are likely, especially near the lakeshore where winds
could gust up to 50 mph.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected.

$$

LMZ844>849-190845-
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-
441 AM EDT Sat Oct 18 2025

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

.DAY ONE...Today and Tonight

Thunderstorms will be likely at times today and tonight. Severe
weather is not expected. Some storms could contain winds to 50 mph
and hail up to the size of a penny.

Winds and waves will be hazardous to Small Craft through today.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Gales are expected out on Lake Michigan on Sunday, and possibly
again on Tuesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected.

$$