601
FLUS43 KMKX 191115
HWOMKX
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
615 AM CDT SAT SEP 19 2026
WIZ046-047-051-052-056>060-062>072-201115-
MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE-
WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE-
LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA-
615 AM CDT SAT SEP 19 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
WISCONSIN, SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN.
DAY ONE
TODAY AND TONIGHT
MODERATE TO HEAVY RAIN AND A FEW STORMS SHOULD LINGER INTO THIS
MORNING, WITH A BREAK POSSIBLE LATER IN THE MORNING. ADDITIONAL
RAIN AND SOME STORMS ARE EXPECTED AROUND MIDDAY INTO THIS EVENING,
WITH THE BETTER CHANCES TOWARD THE ILLINOIS BORDER AREA.
WIDESPREAD RAINFALL TOTALS IN THE 2 TO 4 INCH RANGE ARE FORECAST,
WITH LOCALLY HIGHER TOTALS IN THE 5 TO 6 INCH RANGE POSSIBLE. THE
HIGHEST TOTALS WOULD GENERALLY BE SOUTH OF HIGHWAY 18 AND
INTERSTATE 94.
URBAN AND SMALL STREAM FLOODING, PONDING OF WATER AND MINOR RISES
ON RIVERS ARE ALL POSSIBLE. FLASH FLOODING IS POSSIBLE IN AREAS
WHERE STORMS TRACK REPEATEDLY. A FLOOD WATCH REMAINS IN EFFECT
THROUGH EARLY AFTERNOON NORTH OF LONE ROCK TO MADISON TO
MILWAUKEE, AND UNTIL EARLY EVENING SOUTH OF THERE.
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
SUNDAY THROUGH FRIDAY
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>646-201115-
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-
615 AM CDT SAT SEP 19 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS FROM
SHEBOYGAN WISCONSIN TO WINTHROP HARBOR ILLINOIS.
DAY ONE
TODAY AND TONIGHT
A FEW STORMS SHOULD LINGER INTO THIS MORNING, WITH A BREAK
POSSIBLE LATER IN THE MORNING. SOME STORMS ARE EXPECTED AROUND
MIDDAY INTO THIS EVENING, WITH THE BETTER CHANCES TOWARD WINTHROP
HARBOR ILLINOIS.
A SMALL CRAFT ADVISORY IS IN EFFECT FOR GUSTY ONSHORE WINDS AND
BUILDING WAVES.
DAYS TWO THROUGH SEVEN
SUNDAY THROUGH FRIDAY
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-
870-872-874-876-878-201115-
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-
615 AM CDT SAT SEP 19 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE MICHIGAN.
DAY ONE
TODAY AND TONIGHT
A FEW STORMS SHOULD LINGER INTO THIS MORNING, MAINLY OVER SOUTHERN
PORTIONS OF THE LAKE. A BREAK IS POSSIBLE LATER IN THE MORNING.
SOME STORMS ARE EXPECTED AROUND MIDDAY INTO TONIGHT, MAINLY OVER
SOUTHERN PORTIONS OF THE LAKE.
DAYS TWO THROUGH SEVEN
SUNDAY THROUGH FRIDAY
A FEW GALE FORCE GUSTS ARE POSSIBLE SUNDAY INTO MONDAY NIGHT,
MAINLY OVER SOUTHERN PORTIONS OF THE LAKE.
WOOD
WWW.WEATHER.GOV/MKX
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