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Hazardous Weather Outlook
National Weather Service Green Bay WI
220 PM CDT Sat Oct 4 2025

LMZ521-522-541>543-051930-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
220 PM CDT Sat Oct 4 2025

This Hazardous Weather Outlook is for portions of northwest Lake
Michigan and the waters of Green Bay.

.DAY ONE...Tonight

Increasing southerly winds and building waves will result in
conditions becoming hazardous to small craft on Lake Michigan
beginning late this afternoon.

.DAYS TWO THROUGH SEVEN...Sunday through Saturday

Strong and gusty southerly winds and building waves will result
in conditions hazardous to small craft on Lake Michigan through
Monday morning. Hazardous marine conditions will also occur on
the Bay of Green Bay on Sunday and Sunday night.

There is a chance of thunderstorms late Sunday night. Any storm
could pose a hazard to mariners.

$$

MPC

Hazardous Weather Outlook
National Weather Service Green Bay WI
220 PM CDT Sat Oct 4 2025

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-051930-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
220 PM CDT Sat Oct 4 2025

This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.

.DAY ONE...Tonight

Gusty south to southwest winds paired with record warmth will
result in increased fire weather potential through early this
evening.

.DAYS TWO THROUGH SEVEN...Sunday through Saturday

Gusty south to southwest winds paired with near record temperatures
will result in increased fire weather potential on Sunday.

There is a chance of thunderstorms Sunday night. No severe weather
is expected.

Conditions will be favorable for frost late at night the middle of
next week over northern WI.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed tonight.

$$

Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
405 AM EDT Sat Oct 4 2025

MIZ047>049-053>055-060>063-068>070-075-076-082-083-050815-
Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer-
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
405 AM EDT Sat Oct 4 2025

This hazardous weather outlook is for southeast Michigan.

.DAY ONE...Today and Tonight

Near record warmth and the recent extended stretch of dry, low
humidity conditions leads to elevated fire weather danger today.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Near record warmth continues into Sunday, with increasing southwest
winds gusting to 25 mph, supporting elevated fire weather danger again
Sunday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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