339
FZUS53 KMKX 311810
NSHMKX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
110 PM CDT MON AUG 31 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ643-312200-
SHEBOYGAN TO PORT WASHINGTON WI-
110 PM CDT MON AUG 31 2026
REST OF TODAY
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS.
PARTLY SUNNY. WAVES 2 TO 4 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS
LATE IN THE EVENING, THEN BECOMING SOUTHWEST 5 TO 10 KNOTS AFTER
MIDNIGHT VEERING WEST EARLY IN THE MORNING. PATCHY FOG AFTER
MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE
EVENING AND OVERNIGHT.
TUESDAY
NORTHWEST WIND 5 TO 10 KNOTS BACKING SOUTH LATE IN THE
MORNING, THEN BECOMING SOUTH 5 TO 10 KNOTS EARLY IN THE AFTERNOON
RISING TO 10 TO 15 KNOTS LATE IN THE AFTERNOON. PATCHY FOG IN THE
MORNING. WAVES AROUND 1 FOOT.
TUESDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS EASING TO 5 TO
10 KNOTS LATE IN THE EVENING, THEN BECOMING SOUTHWEST 5 TO
10 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES AROUND 1 FOOT.
LMZ644-312200-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
110 PM CDT MON AUG 31 2026
REST OF TODAY
SOUTHWEST WIND 15 TO 20 KNOTS EASING TO 10 TO
15 KNOTS LATE IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS
LATE IN THE EVENING, THEN BECOMING SOUTHWEST 5 TO 10 KNOTS AFTER
MIDNIGHT VEERING WEST EARLY IN THE MORNING. MOSTLY CLOUDY THROUGH
AROUND MIDNIGHT THEN BECOMING PARTLY CLOUDY. WAVES AROUND 1 FOOT.
TUESDAY
WEST WIND 5 TO 10 KNOTS BACKING SOUTHWEST LATE IN THE
MORNING, THEN BACKING SOUTHEAST EARLY IN THE AFTERNOON VEERING
SOUTH LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES
AROUND 1 FOOT.
TUESDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY
THROUGH AROUND MIDNIGHT THEN BECOMING PARTLY CLOUDY. WAVES AROUND
1 FOOT.
LMZ645-312200-
NORTH POINT LIGHT TO WIND POINT WI-
110 PM CDT MON AUG 31 2026
REST OF TODAY
SOUTHWEST WIND 15 TO 20 KNOTS BECOMING 10 TO
20 KNOTS LATE IN THE AFTERNOON. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS
LATE IN THE EVENING, THEN BECOMING SOUTHWEST 5 TO 10 KNOTS AFTER
MIDNIGHT VEERING WEST EARLY IN THE MORNING. MOSTLY CLOUDY THROUGH
AROUND MIDNIGHT THEN BECOMING PARTLY CLOUDY. WAVES AROUND 1 FOOT.
TUESDAY
WEST WIND 5 TO 10 KNOTS BACKING SOUTHWEST LATE IN THE
MORNING, THEN BACKING SOUTH EARLY IN THE AFTERNOON BECOMING SOUTH
5 TO 10 KNOTS LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING.
WAVES AROUND 1 FOOT.
TUESDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY
THROUGH AROUND MIDNIGHT THEN BECOMING PARTLY CLOUDY. WAVES AROUND
1 FOOT.
LMZ646-312200-
WIND POINT WI TO WINTHROP HARBOR IL-
110 PM CDT MON AUG 31 2026
REST OF TODAY
SOUTH WIND 15 TO 20 KNOTS BECOMING SOUTHWEST
10 TO 15 KNOTS LATE IN THE AFTERNOON. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS
LATE IN THE EVENING, THEN BECOMING SOUTHWEST 5 TO 10 KNOTS AFTER
MIDNIGHT. SLIGHT CHANCE OF SHOWERS THROUGH AROUND MIDNIGHT. WAVES
AROUND 1 FOOT.
TUESDAY
WEST WIND 5 TO 10 KNOTS BACKING SOUTHWEST LATE IN THE
MORNING, THEN BACKING SOUTH EARLY IN THE AFTERNOON BECOMING SOUTH
5 TO 10 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES AROUND
1 FOOT.
TUESDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES AROUND 1 FOOT.
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR WEDNESDAY THROUGH FRIDAY.
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