858
FZUS53 KMKX 192210
NSHMKX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
510 PM CDT MON OCT 19 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ643-200400-
SHEBOYGAN TO PORT WASHINGTON WI-
510 PM CDT MON OCT 19 2026
TONIGHT
SOUTHEAST WIND 5 KNOTS BACKING NORTHEAST AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES AROUND 1 FOOT.
TUESDAY
NORTHEAST WIND 5 KNOTS VEERING EAST LATE IN THE
MORNING, THEN BECOMING SOUTHEAST EARLY IN THE AFTERNOON BECOMING
SOUTHEAST 5 TO 10 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES
NEARLY CALM.
TUESDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS EASING TO 5 KNOTS LATE
IN THE EVENING, THEN VEERING SOUTHWEST AFTER MIDNIGHT BECOMING
SOUTHWEST 5 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. WAVES
NEARLY CALM.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS RISING TO 5 TO 10 KNOTS LATE
IN THE MORNING, THEN BACKING SOUTH EARLY IN THE AFTERNOON
BECOMING SOUTH 5 TO 10 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES
AROUND 1 FOOT.
LMZ644-200400-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
510 PM CDT MON OCT 19 2026
TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS EASING TO 5 KNOTS LATE IN
THE EVENING, THEN BACKING EAST AFTER MIDNIGHT BACKING NORTHEAST
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES AROUND 1 FOOT.
TUESDAY
NORTHEAST WIND 5 KNOTS VEERING EAST LATE IN THE
MORNING, THEN RISING TO 5 TO 10 KNOTS EARLY IN THE AFTERNOON
VEERING SOUTHEAST LATE IN THE AFTERNOON. SUNNY. WAVES NEARLY
CALM.
TUESDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE
IN THE EVENING, THEN VEERING SOUTHWEST AFTER MIDNIGHT BECOMING
SOUTHWEST 5 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. WAVES
NEARLY CALM.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH EARLY IN THE
AFTERNOON, THEN BECOMING SOUTH 5 TO 10 KNOTS LATE IN THE
AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.
LMZ645-200400-
NORTH POINT LIGHT TO WIND POINT WI-
510 PM CDT MON OCT 19 2026
TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS EASING TO 5 KNOTS LATE IN
THE EVENING, THEN BACKING EAST AFTER MIDNIGHT BACKING NORTHEAST
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES AROUND 1 FOOT.
TUESDAY
EAST WIND 5 KNOTS RISING TO 5 TO 10 KNOTS EARLY IN THE
AFTERNOON, THEN BECOMING EAST 5 TO 10 KNOTS LATE IN THE
AFTERNOON. SUNNY. WAVES NEARLY CALM.
TUESDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH
AFTER MIDNIGHT, THEN VEERING SOUTHWEST EARLY IN THE MORNING.
PARTLY CLOUDY. WAVES NEARLY CALM.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS RISING TO 5 TO 10 KNOTS LATE
IN THE MORNING, THEN BACKING SOUTH EARLY IN THE AFTERNOON
BECOMING SOUTH 5 TO 10 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES
AROUND 1 FOOT.
LMZ646-200400-
WIND POINT WI TO WINTHROP HARBOR IL-
510 PM CDT MON OCT 19 2026
TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS EASING TO 5 KNOTS LATE IN
THE EVENING, THEN BACKING EAST AFTER MIDNIGHT BACKING NORTHEAST
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES NEARLY CALM.
TUESDAY
EAST WIND 5 KNOTS RISING TO 5 TO 10 KNOTS IN THE
AFTERNOON. SUNNY. WAVES NEARLY CALM.
TUESDAY NIGHT
EAST WIND 5 TO 10 KNOTS VEERING SOUTHEAST LATE
IN THE EVENING, THEN BECOMING SOUTH AFTER MIDNIGHT VEERING
SOUTHWEST EARLY IN THE MORNING. PARTLY CLOUDY. WAVES NEARLY CALM.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS RISING TO 5 TO 10 KNOTS LATE
IN THE MORNING, THEN BACKING SOUTH EARLY IN THE AFTERNOON
BECOMING SOUTH 5 TO 10 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES
NEARLY CALM.
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR THURSDAY THROUGH SATURDAY.
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