107
FLUS43 KGRR 190824
HWOGRR

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
424 AM EDT Tue Aug 19 2025

MIZ037>040-043>046-050>052-056>059-064>067-071>074-200830-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
424 AM EDT Tue Aug 19 2025

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

.DAY ONE...Today and Tonight

Thunderstorms will be possible this morning but should exit to
the east by afternoon. While severe weather is not expected,
locally heavy rain and lightning will be threats.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

LMZ844>849-200830-
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-
424 AM EDT Tue Aug 19 2025

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

.DAY ONE...Today and Tonight

There is a chance for thunderstorms over the waters this morning.
The main threat would be cloud to water lightning.

A period of higher winds and waves out of the north is possible
from late this afternoon into early tonight. This will make
conditions moderately hazardous for boaters and swimmers,
especially south of Muskegon.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Elevated winds and waves are possible again Wednesday...again
making conditions moderately hazardous for boaters and swimmers.


.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$