644
FZUS53 KMKX 181010
NSHMKX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
510 AM CDT SUN OCT 18 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ643-181600-
SHEBOYGAN TO PORT WASHINGTON WI-
510 AM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
SOUTHWEST WIND 15 TO 25 KNOTS RISING TO UP TO 30 KNOTS
EARLY IN THE AFTERNOON, THEN EASING TO 15 TO 25 KNOTS LATE IN THE
AFTERNOON. SUNNY. WAVES 3 TO 5 FEET BUILDING TO 4 TO 6 FEET IN
THE AFTERNOON.
TONIGHT
SOUTH WIND 15 TO 25 KNOTS VEERING SOUTHWEST LATE IN
THE EVENING, THEN EASING TO 10 TO 20 KNOTS AFTER MIDNIGHT
BECOMING 10 TO 15 KNOTS EARLY IN THE MORNING. CLEAR. WAVES 4 TO
6 FEET.
MONDAY
SOUTHWEST WIND 10 TO 15 KNOTS EASING 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
1 TO 2 FEET.
MONDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS EASING TO 5 KNOTS LATE
IN THE EVENING, THEN VEERING NORTHWEST AFTER MIDNIGHT VEERING
NORTH EARLY IN THE MORNING. PARTLY CLOUDY. WAVES AROUND 1 FOOT.
LMZ644-181600-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
510 AM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
SOUTHWEST WIND 15 TO 25 KNOTS. GUSTS UP TO 30 KNOTS.
SUNNY. WAVES 3 TO 4 FEET.
TONIGHT
SOUTH WIND 10 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS VEERING SOUTHWEST 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS LATE IN THE EVENING, THEN EASING TO 10 TO 15 KNOTS WITH
GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT BECOMING SOUTHWEST 10 TO
15 KNOTS EARLY IN THE MORNING. CLEAR. WAVES 3 TO 4 FEET SUBSIDING
TO 1 TO 2 FEET EARLY IN THE MORNING.
MONDAY
SOUTHWEST WIND 5 TO 10 KNOTS BACKING SOUTHEAST LATE IN
THE AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.
MONDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE
IN THE EVENING, THEN VEERING SOUTHWEST AFTER MIDNIGHT VEERING
NORTH EARLY IN THE MORNING. PARTLY CLOUDY. WAVES AROUND 1 FOOT.
LMZ645-181600-
NORTH POINT LIGHT TO WIND POINT WI-
510 AM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
SOUTHWEST WIND 15 TO 25 KNOTS BECOMING 15 TO 20 KNOTS
LATE IN THE AFTERNOON. SUNNY. WAVES 3 TO 4 FEET.
TONIGHT
SOUTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS VEERING SOUTHWEST WITH GUSTS TO AROUND 25 KNOTS LATE IN
THE EVENING, THEN BECOMING 10 TO 20 KNOTS AFTER MIDNIGHT BECOMING
10 TO 15 KNOTS EARLY IN THE MORNING. CLEAR. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 2 FEET EARLY IN THE MORNING.
MONDAY
SOUTHWEST WIND 5 TO 10 KNOTS BACKING SOUTHEAST LATE IN
THE AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.
MONDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS VEERING SOUTH LATE
IN THE EVENING, THEN EASING TO 5 KNOTS AFTER MIDNIGHT VEERING
NORTH EARLY IN THE MORNING. MOSTLY CLEAR. WAVES AROUND 1 FOOT.
LMZ646-181600-
WIND POINT WI TO WINTHROP HARBOR IL-
510 AM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
SOUTHWEST WIND 15 TO 20 KNOTS BECOMING 15 TO 25 KNOTS
EARLY IN THE AFTERNOON, THEN BECOMING 15 TO 20 KNOTS LATE IN THE
AFTERNOON. SUNNY. WAVES 3 TO 4 FEET.
TONIGHT
SOUTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS VEERING SOUTHWEST LATE IN THE EVENING, THEN BECOMING
10 TO 20 KNOTS AFTER MIDNIGHT BECOMING 10 TO 15 KNOTS EARLY IN
THE MORNING. CLEAR. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET
EARLY IN THE MORNING.
MONDAY
SOUTHWEST WIND 5 TO 10 KNOTS BACKING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.
MONDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS VEERING SOUTH LATE
IN THE EVENING, THEN BECOMING SOUTHEAST AFTER MIDNIGHT BACKING
NORTHEAST EARLY IN THE MORNING. MOSTLY CLEAR. WAVES AROUND
1 FOOT.
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR TUESDAY THROUGH THURSDAY.
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