634
FZUS53 KMKX 220010
NSHMKX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
710 PM CDT TUE APR 21 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ643-220400-
SHEBOYGAN TO PORT WASHINGTON WI-
710 PM CDT TUE APR 21 2026
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BACKING NORTH LATE IN THE
EVENING, THEN RISING TO 10 TO 15 KNOTS AFTER MIDNIGHT. MOSTLY
CLEAR. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTH WIND 5 TO 10 KNOTS VEERING EAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
EAST WIND 5 TO 10 KNOTS VEERING SOUTH EARLY IN
THE MORNING. CLEAR THROUGH AROUND MIDNIGHT THEN BECOMING PARTLY
CLOUDY. WAVES AROUND 1 FOOT.
THURSDAY
SOUTH WIND 10 TO 15 KNOTS BECOMING SOUTH 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE AFTERNOON,
THEN RISING TO 15 TO 20 KNOTS LATE IN THE AFTERNOON. PARTLY
SUNNY. WAVES 1 TO 2 FEET BUILDING TO 3 TO 4 FEET IN THE
AFTERNOON.
LMZ644-220400-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
710 PM CDT TUE APR 21 2026
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BACKING NORTH LATE IN THE
EVENING, THEN BECOMING NORTH 5 TO 10 KNOTS AFTER MIDNIGHT. PATCHY
FOG AFTER MIDNIGHT. WAVES AROUND 1 FOOT.
WEDNESDAY
NORTH WIND 5 TO 10 KNOTS VEERING EAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
EAST WIND 5 TO 10 KNOTS VEERING SOUTH EARLY IN
THE MORNING. PARTLY CLOUDY. WAVES AROUND 1 FOOT.
THURSDAY
SOUTH WIND 10 TO 15 KNOTS BECOMING SOUTH 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE AFTERNOON,
THEN BECOMING SOUTHEAST 15 TO 20 KNOTS LATE IN THE AFTERNOON.
PARTLY SUNNY. WAVES 1 TO 2 FEET BUILDING TO 3 TO 4 FEET IN THE
AFTERNOON.
LMZ645-220400-
NORTH POINT LIGHT TO WIND POINT WI-
710 PM CDT TUE APR 21 2026
TONIGHT
WEST WIND 5 TO 10 KNOTS VEERING NORTH EARLY IN THE
MORNING. PATCHY FOG AFTER MIDNIGHT. WAVES AROUND 1 FOOT.
WEDNESDAY
NORTH WIND 5 TO 10 KNOTS VEERING EAST LATE IN THE
AFTERNOON. PATCHY FOG IN THE MORNING. WAVES AROUND 1 FOOT.
WEDNESDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS VEERING SOUTH
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES AROUND 1 FOOT.
THURSDAY
SOUTH WIND 5 TO 10 KNOTS RISING TO 10 TO 15 KNOTS
LATE IN THE MORNING, THEN BECOMING SOUTH 10 TO 15 KNOTS WITH
GUSTS TO AROUND 20 KNOTS EARLY IN THE AFTERNOON BACKING SOUTHEAST
WITH GUSTS TO AROUND 20 KNOTS LATE IN THE AFTERNOON. PARTLY
SUNNY. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET LATE IN THE
AFTERNOON.
LMZ646-220400-
WIND POINT WI TO WINTHROP HARBOR IL-
710 PM CDT TUE APR 21 2026
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS VEERING NORTH EARLY IN
THE MORNING. PATCHY FOG IN THE LATE EVENING AND OVERNIGHT. WAVES
AROUND 1 FOOT.
WEDNESDAY
NORTH WIND 5 TO 10 KNOTS VEERING EAST LATE IN THE
AFTERNOON. PATCHY FOG IN THE MORNING. WAVES AROUND 1 FOOT.
WEDNESDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS VEERING SOUTH
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES AROUND 1 FOOT.
THURSDAY
SOUTH WIND 5 TO 10 KNOTS RISING TO 10 TO 15 KNOTS
LATE IN THE MORNING, THEN BECOMING SOUTH 10 TO 15 KNOTS WITH
GUSTS TO AROUND 20 KNOTS EARLY IN THE AFTERNOON BACKING SOUTHEAST
WITH GUSTS TO AROUND 20 KNOTS LATE IN THE AFTERNOON. PARTLY
SUNNY. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET LATE IN THE
AFTERNOON.
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR FRIDAY THROUGH SUNDAY.
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