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FLUS43 KMKX 210858
HWOMKX

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
358 AM CDT Sat Jun 21 2025

WIZ046-047-051-052-056>060-062>072-220900-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
358 AM CDT Sat Jun 21 2025

This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.

.DAY ONE...Today and Tonight

Hot and humid conditions expected today. Heat indices ranging
from 100 to 110 degrees will be possible this afternoon. Heat
headlines are in effect.

There is a High Swim Risk this morning into this evening for
Sheboygan and Ozaukee Counties. Life threatening waves and
currents are expected. Stay out of the water, and stay away from
dangerous areas like piers and breakwalls.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Hot and humid conditions continue through Monday. Heat indices
ranging from 100 to 110 degrees will be possible, especially
during the afternoon hours Sunday and Monday. Heat headlines are
in effect.

Chances for thunderstorms at times Monday through Thursday of next
week.

A moderate swim risk may occur on Sunday at local beaches.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

LMZ643>646-220900-
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-
358 AM CDT Sat Jun 21 2025

This Hazardous Weather Outlook is for the nearshore waters from
Sheboygan Wisconsin to Winthrop Harbor Illinois.

.DAY ONE...Today and Tonight

Small Craft Advisory conditions are anticipated into this evening
for gusty south winds and high waves.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Small Craft Advisory continues into early Sunday. The Small Craft
Advisory may be extended through Sunday and into Monday given
lingering gusty winds.

Chances for thunderstorms at times Monday through Thursday.

$$

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-220900-
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
358 AM CDT Sat Jun 21 2025

This Hazardous Weather Outlook is for the open waters of Lake
Michigan.

.DAY ONE...Today and Tonight

Strong storms are possible this morning over the far northern end
of the lake.

Gusty winds just shy of gale force are expected late this morning
and this afternoon, especially over the northern half of the lake.
Some isolated gusts to gale force may occur at times.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Chance of thunderstorms at times Friday and again Monday through
Thursday.

$$


www.weather.gov/mkx