381
FZUS53 KMKX 201210
NSHMKX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
710 AM CDT THU AUG 20 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ643-201600-
SHEBOYGAN TO PORT WASHINGTON WI-
710 AM CDT THU AUG 20 2026
TODAY
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE IN THE
MORNING, THEN BECOMING SOUTHEAST 5 TO 15 KNOTS EARLY IN THE
AFTERNOON VEERING SOUTH 10 TO 15 KNOTS LATE IN THE AFTERNOON.
SUNNY. WAVES AROUND 1 FOOT.
TONIGHT
SOUTH WIND 10 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES AROUND 1 FOOT.
FRIDAY
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS LATE IN THE MORNING, THEN
BECOMING SOUTH 15 TO 20 KNOTS EARLY IN THE AFTERNOON BECOMING
10 TO 20 KNOTS LATE IN THE AFTERNOON. CHANCE OF SHOWERS THROUGH
THE DAY. CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO
2 FEET BUILDING TO 2 TO 4 FEET IN THE AFTERNOON.
FRIDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS BECOMING SOUTHWEST 5 TO
10 KNOTS LATE IN THE EVENING, THEN BECOMING WEST 10 TO 15 KNOTS
AFTER MIDNIGHT VEERING NORTHWEST EARLY IN THE MORNING. CHANCE OF
THUNDERSTORMS THROUGH AROUND MIDNIGHT. CHANCE OF SHOWERS THROUGH
THE NIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE
EVENING AND OVERNIGHT.
LMZ644-201600-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
710 AM CDT THU AUG 20 2026
TODAY
NORTH WIND 5 TO 10 KNOTS VEERING SOUTHEAST LATE IN THE
AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.
TONIGHT
SOUTH WIND 5 TO 10 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES AROUND 1 FOOT.
FRIDAY
SOUTHWEST WIND 10 TO 15 KNOTS BACKING SOUTH IN THE
AFTERNOON. CHANCE OF SHOWERS THROUGH THE DAY. CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES AROUND 1 FOOT.
FRIDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS EASING TO 5 TO
10 KNOTS LATE IN THE EVENING, THEN BECOMING WEST 10 TO 15 KNOTS
AFTER MIDNIGHT VEERING NORTHWEST EARLY IN THE MORNING. CHANCE OF
THUNDERSTORMS THROUGH AROUND MIDNIGHT. CHANCE OF SHOWERS THROUGH
THE NIGHT. WAVES 1 TO 2 FEET.
LMZ645-201600-
NORTH POINT LIGHT TO WIND POINT WI-
710 AM CDT THU AUG 20 2026
TODAY
NORTHEAST WIND 5 TO 10 KNOTS VEERING EAST LATE IN THE
AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.
TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS VEERING SOUTHWEST EARLY
IN THE MORNING. PARTLY CLOUDY. WAVES AROUND 1 FOOT.
FRIDAY
SOUTHWEST WIND 10 TO 15 KNOTS BACKING SOUTH IN THE
AFTERNOON. CHANCE OF SHOWERS THROUGH THE DAY. CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES AROUND 1 FOOT.
FRIDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS VEERING NORTHWEST EARLY
IN THE MORNING. CHANCE OF THUNDERSTORMS THROUGH AROUND MIDNIGHT.
CHANCE OF SHOWERS THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
LMZ646-201600-
WIND POINT WI TO WINTHROP HARBOR IL-
710 AM CDT THU AUG 20 2026
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES AROUND
1 FOOT.
TONIGHT
EAST WIND 5 TO 10 KNOTS VEERING SOUTH LATE IN THE
EVENING, THEN VEERING SOUTHWEST AFTER MIDNIGHT BECOMING SOUTHWEST
5 TO 10 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. WAVES AROUND
1 FOOT.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS RISING TO 10 TO 15 KNOTS
LATE IN THE MORNING, THEN BACKING SOUTH EARLY IN THE AFTERNOON
BECOMING SOUTH 10 TO 15 KNOTS LATE IN THE AFTERNOON. CHANCE OF
SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WAVES AROUND 1 FOOT.
FRIDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS BECOMING SOUTHWEST 5 TO
10 KNOTS LATE IN THE EVENING, THEN VEERING WEST AFTER MIDNIGHT
BECOMING NORTHWEST 10 TO 15 KNOTS EARLY IN THE MORNING. SLIGHT
CHANCE OF THUNDERSTORMS THROUGH AROUND MIDNIGHT. CHANCE OF
SHOWERS THROUGH THE NIGHT. WAVES AROUND 1 FOOT.
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR SATURDAY THROUGH MONDAY.
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