521
FZUS53 KMKX 182210
NSHMKX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
510 PM CDT SUN OCT 18 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ643-190400-
SHEBOYGAN TO PORT WASHINGTON WI-
510 PM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TONIGHT
SOUTH WIND 15 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS VEERING SOUTHWEST WITH GUSTS TO AROUND 30 KNOTS LATE IN
THE EVENING, THEN EASING TO 10 TO 20 KNOTS AFTER MIDNIGHT
BECOMING 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY IN
THE MORNING. CLEAR. WAVES 3 TO 5 FEET SUBSIDING TO 3 TO 4 FEET
AFTER MIDNIGHT.
MONDAY
SOUTHWEST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS
LATE IN THE MORNING, THEN BACKING SOUTH EARLY IN THE AFTERNOON
BACKING SOUTHEAST 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 BACKING NORTH AFTER MIDNIGHT BECOMING NORTH
5 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. WAVES AROUND 1 FOOT.
TUESDAY
NORTH 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.
LMZ644-190400-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
510 PM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
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 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS
LATE IN THE MORNING, THEN BACKING SOUTH EARLY IN THE AFTERNOON
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 BECOMING NORTHEAST AFTER MIDNIGHT BACKING
NORTH EARLY IN THE MORNING. PARTLY CLOUDY. WAVES AROUND 1 FOOT.
TUESDAY
NORTH WIND 5 KNOTS VEERING NORTHEAST LATE IN THE
MORNING, THEN VEERING SOUTHEAST EARLY IN THE AFTERNOON RISING TO
5 TO 10 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES NEARLY CALM.
LMZ645-190400-
NORTH POINT LIGHT TO WIND POINT WI-
510 PM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
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 WITH GUSTS TO AROUND
25 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 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS
LATE IN THE MORNING, THEN BACKING SOUTH EARLY IN THE AFTERNOON
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 BACKING
NORTH 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
BECOMING EAST 5 TO 10 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES
NEARLY CALM.
LMZ646-190400-
WIND POINT WI TO WINTHROP HARBOR IL-
510 PM CDT SUN OCT 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
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 WITH GUSTS TO AROUND
25 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 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS
LATE IN THE MORNING, THEN BACKING SOUTH EARLY IN THE AFTERNOON
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 BECOMING SOUTHEAST AFTER MIDNIGHT BACKING
NORTHEAST EARLY IN THE MORNING. MOSTLY CLEAR. WAVES AROUND
1 FOOT.
TUESDAY
NORTHEAST WIND 5 KNOTS BECOMING EAST LATE IN THE
MORNING, THEN VEERING SOUTHEAST IN THE AFTERNOON. SUNNY. WAVES
NEARLY CALM.
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR WEDNESDAY THROUGH FRIDAY.
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