329
FZUS53 KMKX 202210
NSHMKX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
510 PM CDT MON APR 20 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ643-210400-
SHEBOYGAN TO PORT WASHINGTON WI-
510 PM CDT MON APR 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
TONIGHT
SOUTH WIND 10 TO 20 KNOTS BECOMING 15 TO 20 KNOTS IN
THE LATE EVENING AND EARLY MORNING, THEN BECOMING SOUTH 15 TO
20 KNOTS EARLY IN THE MORNING. GUSTS UP TO 25 KNOTS. PARTLY
CLOUDY. WAVES 3 TO 5 FEET BUILDING TO 4 TO 6 FEET IN THE LATE
EVENING AND EARLY MORNING, THEN SUBSIDING TO 3 TO 4 FEET EARLY IN
THE MORNING.
TUESDAY
SOUTH WIND 10 TO 15 KNOTS VEERING SOUTHWEST LATE IN
THE MORNING, THEN BECOMING SOUTH 5 TO 10 KNOTS EARLY IN THE
AFTERNOON BACKING EAST LATE IN THE AFTERNOON. SUNNY. WAVES 3 TO
4 FEET SUBSIDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
TUESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTH
10 TO 15 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTHEAST WIND 5 TO 10 KNOTS VEERING EAST LATE IN
THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
LMZ644-210400-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
510 PM CDT MON APR 20 2026
TONIGHT
SOUTH WIND 15 TO 20 KNOTS. PARTLY CLOUDY. WAVES 3 TO
4 FEET.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING SOUTHEAST 5 TO
10 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 2 FEET IN THE AFTERNOON.
TUESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
AROUND 1 FOOT.
WEDNESDAY
NORTHEAST WIND 5 TO 10 KNOTS VEERING EAST LATE IN
THE AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.
LMZ645-210400-
NORTH POINT LIGHT TO WIND POINT WI-
510 PM CDT MON APR 20 2026
TONIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS RISING TO 15 TO 20 KNOTS AFTER MIDNIGHT, THEN BECOMING
SOUTH 15 TO 20 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. WAVES
2 TO 4 FEET.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS BACKING SOUTH LATE IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
2 FEET IN THE AFTERNOON.
TUESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
AROUND 1 FOOT.
WEDNESDAY
NORTH WIND 5 TO 10 KNOTS VEERING EAST LATE IN THE
AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.
LMZ646-210400-
WIND POINT WI TO WINTHROP HARBOR IL-
510 PM CDT MON APR 20 2026
TONIGHT
SOUTHEAST WIND 10 TO 15 KNOTS VEERING SOUTH WITH GUSTS
TO AROUND 20 KNOTS LATE IN THE EVENING, THEN RISING TO 15 TO
20 KNOTS AFTER MIDNIGHT BECOMING SOUTH 15 TO 20 KNOTS EARLY IN
THE MORNING. PARTLY CLOUDY. WAVES 1 TO 3 FEET BUILDING TO 2 TO
4 FEET AFTER MIDNIGHT.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES
2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE AFTERNOON.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS VEERING NORTH EARLY
IN THE MORNING. PARTLY CLOUDY. WAVES AROUND 1 FOOT.
WEDNESDAY
NORTH WIND 5 TO 10 KNOTS VEERING NORTHEAST LATE IN
THE AFTERNOON. MOSTLY SUNNY. WAVES AROUND 1 FOOT.
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR THURSDAY THROUGH SATURDAY.
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