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FLUS43 KGRR 160834
HWOGRR

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
434 AM EDT Thu Oct 16 2025

MIZ037>040-043>046-050>052-056>059-064>067-071>074-170845-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
434 AM EDT Thu Oct 16 2025

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

.DAY ONE...Today and Tonight

Some patchy dense fog is possible this morning.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Thunderstorms are possible from Saturday afternoon into Sunday
morning. At this time severe weather is not expected.

Strong winds associated with a fall storm system moving through
the Great Lakes are forecast this weekend. The strongest winds
are expected on Sunday. Wind gusts over 40 mph will be possible.

Some ponding of water is possible in low spots this weekend as
forecast rainfall totals are expected to be in excess of 1 inch

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

LMZ844>849-170845-
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-
434 AM EDT Thu Oct 16 2025

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

.DAY ONE...Today and Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Winds and waves will be on the increase starting Friday.
Conditions hazardous to smaller craft are expected from Friday
into Saturday. Gale force winds are looking likely on Sunday with
waves increasing to in excess of 10 feet.

Thunderstorms will be possible over Lake Michigan from Saturday
afternoon into early Sunday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

DUKE