129
FLUS43 KMKX 200505
HWOMKX
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1205 AM CDT SUN SEP 20 2026
WIZ046-047-051-052-056>060-062>072-210515-
MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE-
WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE-
LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA-
1205 AM CDT SUN SEP 20 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
WISCONSIN, SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN.
DAY ONE
TODAY AND TONIGHT
A FLOOD WATCH REMAINS IN EFFECT FROM LONE ROCK TO MADISON TO
MILWAUKEE AND SOUTH TO THE ILLINOIS BORDER UNTIL 7 AM CDT SUNDAY.
ANOTHER 1 TO 1.5 INCHES OF RAIN REMAIN POSSIBLE.
THERE IS A HIGH SWIM RISK FOR ALL LAKE MICHIGAN BEACHES FROM
SHEBOYGAN TO KENOSHA COUNTIES, FOR GUSTY ONSHORE WINDS AND HIGH
WAVES.
DAYS TWO THROUGH SEVEN
MONDAY THROUGH SATURDAY
THERE IS A HIGH SWIM RISK FOR ALL LAKE MICHIGAN BEACHES FROM
SHEBOYGAN TO KENOSHA COUNTIES INTO EARLY TUESDAY EVENING, FOR
GUSTY ONSHORE WINDS AND HIGH WAVES. THIS MAY NEED TO BE EXTENDED
INTO WEDNESDAY EVENING.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION WILL NOT BE NEEDED, BUT RAINFALL REPORTS ARE
APPRECIATED.
LMZ643>646-210515-
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-
1205 AM CDT SUN SEP 20 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS FROM
SHEBOYGAN WISCONSIN TO WINTHROP HARBOR ILLINOIS.
DAY ONE
TODAY AND TONIGHT
A SMALL CRAFT ADVISORY IS IN EFFECT FOR GUSTY ONSHORE WINDS AND
BUILDING WAVES. SCATTERED THUNDERSTORMS ARE FORECAST.
DAYS TWO THROUGH SEVEN
MONDAY THROUGH SATURDAY
THE SMALL CRAFT ADVISORY IS IN EFFECT INTO EARLY TUESDAY EVENING,
AND MAY NEED TO BE EXTENDED INTO WEDNESDAY EVENING.
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-210515-
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-
1205 AM CDT SUN SEP 20 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE MICHIGAN.
DAY ONE
TODAY AND TONIGHT
SCATTERED THUNDERSTORMS ARE FORECAST.
DAYS TWO THROUGH SEVEN
MONDAY THROUGH SATURDAY
BREEZY EAST TO NORTHEAST WINDS ARE EXPECTED OVER CENTRAL AND
SOUTHERN LAKE MICHIGAN SUNDAY THROUGH WEDNESDAY.
WWW.WEATHER.GOV/MKX
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