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FLUS43 KGRR 180841
HWOGRR

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
441 AM EDT Fri Apr 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 Fri Apr 18 2025

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

.DAY ONE...Today and Tonight

Multiple rounds of thunderstorms will be possible today and
tonight. There will be two rounds of storms this morning, which
will mainly affect areas north of I-96. Small hail and cloud to
ground lightning will be the main threats.

Additional storms will develop later this evening along a cold
front that will be moving through the area. The main threats with
those storms will be large hail and damaging winds.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

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 Fri Apr 18 2025

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

.DAY ONE...Today and Tonight

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

Multiple rounds of thunderstorms will be possible today and
tonight. There will be two rounds of storms this morning, which
will mainly affect areas north of Muskegon. Small hail and cloud
to water lightning will be the main threats.

Additional storms will develop later this evening along a cold
front that will be moving through the area. The main threats with
those storms will be large hail and damaging winds.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$