350
FZUS53 KMKX 200210
NSHMKX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
910 PM CDT SUN APR 19 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ643-201000-
SHEBOYGAN TO PORT WASHINGTON WI-
910 PM CDT SUN APR 19 2026
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS RISING TO 10 TO
15 KNOTS AFTER MIDNIGHT, THEN BECOMING EAST 5 TO 10 KNOTS EARLY
IN THE MORNING. MOSTLY CLOUDY JUST BEFORE MIDNIGHT THEN CLEARING.
WAVES 1 TO 2 FEET.
MONDAY
SOUTH WIND 5 TO 10 KNOTS BECOMING 5 TO 15 KNOTS LATE IN
THE MORNING, THEN RISING TO 10 TO 20 KNOTS EARLY IN THE AFTERNOON
BECOMING 15 TO 20 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 TO
2 FEET BUILDING TO 2 TO 4 FEET LATE IN THE AFTERNOON.
MONDAY NIGHT
SOUTH WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS.
MOSTLY CLOUDY THROUGH AROUND MIDNIGHT THEN BECOMING PARTLY
CLOUDY. WAVES 3 TO 5 FEET BUILDING TO 4 TO 6 FEET LATE IN THE
EVENING, THEN SUBSIDING TO 3 TO 5 FEET AFTER MIDNIGHT SUBSIDING
TO 3 TO 4 FEET EARLY IN THE MORNING.
TUESDAY
SOUTH WIND 10 TO 20 KNOTS BECOMING 10 TO 15 KNOTS LATE
IN THE MORNING, THEN BECOMING SOUTHWEST 5 TO 10 KNOTS EARLY IN
THE AFTERNOON BACKING SOUTH LATE IN THE AFTERNOON. SUNNY. WAVES
3 TO 4 FEET.
LMZ644-201000-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
910 PM CDT SUN APR 19 2026
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS VEERING EAST
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
MONDAY
SOUTHEAST WIND 5 TO 10 KNOTS RISING TO 10 TO 15 KNOTS
EARLY IN THE AFTERNOON, THEN BECOMING SOUTH 15 TO 20 KNOTS LATE
IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET BUILDING TO 2 TO
4 FEET LATE IN THE AFTERNOON.
MONDAY NIGHT
SOUTH WIND 15 TO 20 KNOTS. PARTLY CLOUDY. WAVES
3 TO 4 FEET.
TUESDAY
SOUTH WIND 10 TO 15 KNOTS VEERING SOUTHWEST LATE IN
THE MORNING, THEN BECOMING SOUTHWEST 10 TO 15 KNOTS EARLY IN THE
AFTERNOON EASING TO 5 TO 10 KNOTS LATE IN THE AFTERNOON. MOSTLY
SUNNY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE
AFTERNOON.
LMZ645-201000-
NORTH POINT LIGHT TO WIND POINT WI-
910 PM CDT SUN APR 19 2026
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS VEERING EAST
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
MONDAY
SOUTHEAST WIND 5 TO 10 KNOTS RISING TO 10 TO 15 KNOTS
EARLY IN THE AFTERNOON, THEN RISING TO 15 TO 20 KNOTS LATE IN THE
AFTERNOON. SUNNY. WAVES 1 TO 3 FEET.
MONDAY NIGHT
SOUTH WIND 15 TO 20 KNOTS. MOSTLY CLOUDY THROUGH
AROUND MIDNIGHT THEN BECOMING PARTLY CLOUDY. WAVES 2 TO 4 FEET.
TUESDAY
SOUTH WIND 15 TO 20 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN EASING TO
5 TO 10 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 2 FEET IN THE AFTERNOON.
LMZ646-201000-
WIND POINT WI TO WINTHROP HARBOR IL-
910 PM CDT SUN APR 19 2026
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
MONDAY
EAST WIND 5 TO 10 KNOTS VEERING SOUTHEAST LATE IN THE
MORNING, THEN RISING TO 10 TO 15 KNOTS IN THE AFTERNOON. SUNNY.
WAVES 1 TO 3 FEET.
MONDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS RISING TO 15 TO
20 KNOTS AFTER MIDNIGHT, THEN BECOMING SOUTH 15 TO 20 KNOTS EARLY
IN THE MORNING. MOSTLY CLOUDY THROUGH AROUND MIDNIGHT THEN
BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET
IN THE LATE EVENING AND OVERNIGHT.
TUESDAY
SOUTH WIND 15 TO 20 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES
2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE AFTERNOON.
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR WEDNESDAY THROUGH FRIDAY.
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