666
FLUS43 KMKX 180519
HWOMKX
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1219 AM CDT FRI SEP 18 2026
WIZ046-047-051-052-056>060-062>072-190530-
MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE-
WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE-
LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA-
1219 AM CDT FRI SEP 18 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
WISCONSIN, SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN.
DAY ONE
TONIGHT
POCKETS OF FOG ARE POSSIBLE INTO THE PREDAWN HOURS.
DAYS TWO THROUGH SEVEN
FRIDAY THROUGH THURSDAY
WIDESPREAD SHOWERS AND THUNDERSTORMS ARE EXPECTED FRIDAY NIGHT AND
SATURDAY MORNING. HEAVY RAINFALL OF 1 TO 3 INCHES AND LOCALLY
MORE IS FORECAST. URBAN AND SMALL STREAM FLOODING OR ISOLATED
FLASH FLOODING IS POSSIBLE. A FLOOD WATCH IS NOW IN EFFECT FOR
PARTS OF SOUTHWEST WISCONSIN. ADDITIONAL RAIN MAY OCCUR SATURDAY
NIGHT INTO EARLY NEXT WEEK ESPECIALLY TOWARD THE ILLINOIS BORDER.
A HIGH SWIM RISK AND BEACH HAZARDS STATEMENT IS IN EFFECT FRIDAY
MORNING INTO THE EARLY AFTERNOON FOR MILWAUKEE, RACINE AND KENOSHA
COUNTIES. AFTERWARD, A PROLONGED PERIOD OF MODERATE TO HIGH SWIM
RISK CONDITIONS IS EXPECTED FRIDAY NIGHT THROUGH THE BEGINNING OF
NEXT WEEK AT ALL LAKE MICHIGAN BEACHES. ADDITIONAL BEACH HAZARDS
STATEMENTS ARE LIKELY.
PROLONGED PERIODS OF ELEVATED WAVES COULD CAUSE AREAS OF LAKESHORE
FLOODING & BEACH EROSION EARLY NEXT WEEK.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION WILL NOT BE NEEDED BUT RAINFALL REPORTS ARE
APPRECIATED.
LMZ643>646-190530-
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-
1219 AM CDT FRI SEP 18 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS FROM
SHEBOYGAN WISCONSIN TO WINTHROP HARBOR ILLINOIS.
DAY ONE
TONIGHT
HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.
DAYS TWO THROUGH SEVEN
FRIDAY THROUGH THURSDAY
A SMALL CRAFT ADVISORY IS IN EFFECT FRIDAY MORNING INTO THE EARLY
AFTERNOON FROM NORTH POINT LIGHTHOUSE TO WINTHROP HARBOR.
ADDITIONAL SMALL CRAFT ADVISORIES WILL BE NEEDED FRIDAY NIGHT INTO
EARLY NEXT WEEK.
SCATTERED THUNDERSTORMS ARE EXPECTED FRIDAY NIGHT THROUGH
SATURDAY NIGHT.
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-190530-
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-
1219 AM CDT FRI SEP 18 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE MICHIGAN.
DAY ONE
TONIGHT
HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.
DAYS TWO THROUGH SEVEN
FRIDAY THROUGH THURSDAY
BRISK EAST OR NORTHEAST WINDS AND HIGH WAVES ARE FORECAST FRIDAY
NIGHT INTO EARLY NEXT WEEK.
SCATTERED THUNDERSTORMS ARE EXPECTED FRIDAY EVENING INTO SATURDAY
NIGHT.
WWW.WEATHER.GOV/MKX
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