Hazardous Weather Outlook
Hazardous Weather Outlook...UPDATED
National Weather Service Green Bay WI
910 PM CDT Tue Oct 20 2026
LMZ521-522-541>543-220215-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
910 PM CDT Tue Oct 20 2026
This Hazardous Weather Outlook is for portions of northwest Lake
Michigan and the waters of Green Bay.
.DAY ONE...Rest of tonight
Patchy dense fog will restrict visibilities on the Bay and Lake at
times.
.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday
Patchy dense fog will restrict visibilities on the Bay and Lake
on Wednesday morning. Additional fog is possible early Thursday
morning, then again early Friday morning.
Conditions hazardous to small craft will be possible late Friday
night through Saturday night.
$$
JLA
Hazardous Weather Outlook...UPDATED
National Weather Service Green Bay WI
910 PM CDT Tue Oct 20 2026
WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-220215-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
910 PM CDT Tue Oct 20 2026
This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.
.DAY ONE...Rest of tonight
Dense fog is possible, especially near the lakeshore and inland to
the west of the Fox Valley. The fog may impact the Wednesday morning
commute.
.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday
Locally dense fog may restrict visibilities through the middle of
Wednesday morning. More dense fog could occur early Thursday morning
and again early Friday morning.
.SPOTTER INFORMATION STATEMENT...
Spotters are requested to report any occurrences of fog with
visibilities below 1/4 mile to the National Weather Service in
Green Bay.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
514 PM CDT Tue Oct 20 2026
LMZ643>646-212215-
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
514 PM CDT Tue Oct 20 2026
This Hazardous Weather Outlook is for the nearshore waters from
Sheboygan Wisconsin to Winthrop Harbor Illinois.
.DAY ONE...Tonight
Areas of dense fog may redevelop tonight.
.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday
Patchy dense fog may linger into early Wednesday morning.
Winds and waves may reach Small Craft Advisory levels later Friday
night into Saturday night.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
514 PM CDT Tue Oct 20 2026
WIZ046-047-051-052-056>060-062>072-212215-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
514 PM CDT Tue Oct 20 2026
This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.
.DAY ONE...Tonight
Areas of dense fog may occur later this evening and overnight
over east central and southeast Wisconsin.
.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday
Patchy dense fog may linger into early Wednesday morning in
eastern parts of the area.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
