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FLUS43 KGRB 150920
HWOGRB

Hazardous Weather Outlook
National Weather Service Green Bay WI
Issued by National Weather Service Milwaukee/Sullivan WI
420 AM CDT Thu May 15 2025

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-160930-
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-
420 AM CDT Thu May 15 2025

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

.DAY ONE...Today and Tonight

A Dense Fog Advisory is in effect for Brown, Door, Kewaunee,
Manitowoc, Oconto and Marinette Counties through 10 AM today.
Patchy dense fog will be possible further west.

A broken line of strong thunderstorms will cross northern WI
between 4 and 9 PM Thursday. Some severe storms are likely with
the passage of a cold front. All hazards possible over central WI
and large hail possible over eastern WI.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Gusty southwest winds up to 45 mph are possible for the Fox
Valley on Friday. Showers and weak storms may bring gusty winds
with some potentially bringing near severe level winds

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed Thursday afternoon and evening.

$$

LMZ521-522-541>543-160930-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
420 AM CDT Thu May 15 2025

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

.DAY ONE...Today and Tonight

A Marine Dense Fog Advisory remains in effect through the early
evening.

Small Craft Advisory in effect this afternoon through much of the
evening for the southern portion of the Bay of Green Bay as well
as in the nearshore from Sturgeon Bay to Sheboygan.

Thunderstorms are expected this afternoon and evening. Some of
the storms could become severe. The primary hazard will be large
hail.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Hazardous conditions for small craft are possible Friday through
Saturday due to high winds, particularly for Lake Michigan
nearshore waters.

$$