171
FZUS53 KMKX 201210
NSHMKX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
710 AM CDT SUN SEP 20 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ643-201600-
SHEBOYGAN TO PORT WASHINGTON WI-
710 AM CDT SUN SEP 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING
TODAY
NORTHEAST WIND 15 TO 25 KNOTS RISING TO UP TO 30 KNOTS
LATE IN THE MORNING, THEN BECOMING NORTHEAST UP TO 30 KNOTS EARLY
IN THE AFTERNOON RISING TO GALES TO 35 KNOTS LATE IN THE
AFTERNOON. CLOUDY IN THE MORNING THEN BECOMING PARTLY SUNNY.
WAVES 4 TO 6 FEET BUILDING TO 7 TO 9 FEET IN THE LATE MORNING AND
AFTERNOON.
TONIGHT
NORTHEAST GALES TO 35 KNOTS EASING TO UP TO 30 KNOTS
LATE IN THE EVENING, THEN BECOMING EAST 15 TO 25 KNOTS AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 8 TO 10 FEET.
MONDAY
EAST WIND 15 TO 25 KNOTS BACKING NORTHEAST LATE IN THE
AFTERNOON. GUSTS UP TO 30 KNOTS. MOSTLY CLOUDY. WAVES 6 TO
8 FEET.
MONDAY NIGHT
NORTHEAST WIND 15 TO 25 KNOTS WITH GUSTS TO
AROUND 30 KNOTS BECOMING NORTHEAST 15 TO 25 KNOTS LATE IN THE
EVENING, THEN VEERING EAST AFTER MIDNIGHT BECOMING NORTHEAST
10 TO 20 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 6 TO
8 FEET SUBSIDING TO 5 TO 7 FEET AFTER MIDNIGHT.
LMZ644-201600-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
710 AM CDT SUN SEP 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING
TODAY
NORTHEAST WIND 15 TO 25 KNOTS RISING TO UP TO 30 KNOTS
IN THE LATE MORNING AND EARLY AFTERNOON, THEN RISING TO GALES TO
35 KNOTS LATE IN THE AFTERNOON. SCATTERED SHOWERS IN THE MORNING.
PATCHY FOG IN THE MORNING. WAVES 4 TO 6 FEET BUILDING TO 8 TO
10 FEET IN THE LATE MORNING AND AFTERNOON.
TONIGHT
NORTHEAST GALES TO 35 KNOTS EASING TO UP TO 30 KNOTS
LATE IN THE EVENING, THEN BECOMING EAST 15 TO 25 KNOTS AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 9 TO 11 FEET.
MONDAY
EAST WIND UP TO 30 KNOTS BACKING NORTHEAST EARLY IN THE
AFTERNOON, THEN EASING TO 15 TO 25 KNOTS LATE IN THE AFTERNOON.
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 7 TO 9 FEET.
MONDAY NIGHT
NORTHEAST WIND 15 TO 25 KNOTS WITH GUSTS TO
AROUND 30 KNOTS BECOMING NORTHEAST 15 TO 25 KNOTS LATE IN THE
EVENING, THEN VEERING EAST AFTER MIDNIGHT BACKING NORTHEAST EARLY
IN THE MORNING. MOSTLY CLOUDY. WAVES 6 TO 8 FEET.
LMZ645-201600-
NORTH POINT LIGHT TO WIND POINT WI-
710 AM CDT SUN SEP 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING
TODAY
NORTHEAST WIND 15 TO 25 KNOTS RISING TO UP TO 30 KNOTS
IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING NORTHEAST
UP TO 30 KNOTS LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING.
SHOWERS AND ISOLATED THUNDERSTORMS IN THE MORNING. SCATTERED
SHOWERS LATE IN THE MORNING. WAVES 4 TO 6 FEET BUILDING TO 8 TO
10 FEET IN THE LATE MORNING AND AFTERNOON.
TONIGHT
NORTHEAST WIND UP TO 30 KNOTS BECOMING EAST 15 TO
25 KNOTS AFTER MIDNIGHT, THEN RISING TO UP TO 30 KNOTS EARLY IN
THE MORNING. MOSTLY CLOUDY. WAVES 9 TO 11 FEET.
MONDAY
EAST WIND UP TO 30 KNOTS BACKING NORTHEAST EARLY IN THE
AFTERNOON, THEN EASING TO 15 TO 25 KNOTS LATE IN THE AFTERNOON.
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 8 TO 10 FEET.
MONDAY NIGHT
NORTHEAST WIND 15 TO 25 KNOTS VEERING EAST AFTER
MIDNIGHT, THEN BACKING NORTHEAST EARLY IN THE MORNING. MOSTLY
CLOUDY. WAVES 6 TO 8 FEET.
LMZ646-201600-
WIND POINT WI TO WINTHROP HARBOR IL-
710 AM CDT SUN SEP 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING
TODAY
NORTHEAST WIND 15 TO 25 KNOTS RISING TO UP TO 30 KNOTS
IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING NORTHEAST
UP TO 30 KNOTS LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING.
SHOWERS AND ISOLATED THUNDERSTORMS IN THE MORNING, THEN ISOLATED
SHOWERS IN THE AFTERNOON. WAVES 4 TO 6 FEET BUILDING TO 7 TO
9 FEET IN THE LATE MORNING AND AFTERNOON.
TONIGHT
NORTHEAST WIND UP TO 30 KNOTS VEERING EAST AFTER
MIDNIGHT, THEN BECOMING EAST UP TO 30 KNOTS EARLY IN THE MORNING.
MOSTLY CLOUDY. WAVES 8 TO 10 FEET.
MONDAY
EAST WIND UP TO 30 KNOTS BACKING NORTHEAST EARLY IN THE
AFTERNOON, THEN EASING TO 15 TO 25 KNOTS LATE IN THE AFTERNOON.
SLIGHT CHANCE OF SHOWERS. WAVES 8 TO 10 FEET.
MONDAY NIGHT
NORTHEAST WIND 15 TO 25 KNOTS VEERING EAST AFTER
MIDNIGHT, THEN BACKING NORTHEAST EARLY IN THE MORNING. CLOUDY.
WAVES 6 TO 8 FEET.
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR TUESDAY THROUGH THURSDAY.
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