248
FZUS53 KMKX 210005
NSHMKX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
705 PM CDT WED AUG 20 2025
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ643-210400-
SHEBOYGAN TO PORT WASHINGTON WI-
705 PM CDT WED AUG 20 2025
TONIGHT
NORTH WIND 10 TO 20 KNOTS VEERING NORTHEAST 15 TO
20 KNOTS LATE IN THE EVENING, THEN EASING TO 10 TO 15 KNOTS AFTER
MIDNIGHT BECOMING NORTHEAST 10 TO 15 KNOTS EARLY IN THE MORNING.
PARTLY CLOUDY. WAVES 2 TO 4 FEET.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 TO
2 FEET.
THURSDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTH
LATE IN THE EVENING, THEN BACKING NORTHWEST AFTER MIDNIGHT
BACKING WEST EARLY IN THE MORNING. MOSTLY CLEAR. WAVES AROUND
1 FOOT.
FRIDAY
WEST WIND 5 TO 10 KNOTS BACKING SOUTH LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES AROUND 1 FOOT.
LMZ644-210400-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
705 PM CDT WED AUG 20 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT THURSDAY
TONIGHT
NORTH WIND 10 TO 20 KNOTS VEERING NORTHEAST 15 TO
20 KNOTS LATE IN THE EVENING, THEN EASING TO 10 TO 15 KNOTS AFTER
MIDNIGHT BECOMING NORTHEAST 10 TO 15 KNOTS EARLY IN THE MORNING.
MOSTLY CLEAR. WAVES 3 TO 4 FEET.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE MORNING AND
AFTERNOON.
THURSDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS BACKING NORTH LATE
IN THE EVENING, THEN EASING TO 5 KNOTS AFTER MIDNIGHT BACKING
NORTHWEST EARLY IN THE MORNING. MOSTLY CLEAR. WAVES AROUND
1 FOOT.
FRIDAY
WEST WIND 5 KNOTS RISING TO 5 TO 10 KNOTS LATE IN THE
MORNING, THEN BACKING SOUTHWEST EARLY IN THE AFTERNOON BACKING
SOUTH LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES AROUND 1 FOOT.
LMZ645-210400-
NORTH POINT LIGHT TO WIND POINT WI-
705 PM CDT WED AUG 20 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT THURSDAY
TONIGHT
NORTH WIND 15 TO 20 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 3 TO 4 FEET.
THURSDAY
NORTHEAST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS
LATE IN THE MORNING, THEN BECOMING NORTHEAST 5 TO 10 KNOTS EARLY
IN THE AFTERNOON RISING TO 10 TO 15 KNOTS LATE IN THE AFTERNOON.
SUNNY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE
MORNING AND AFTERNOON.
THURSDAY NIGHT
NORTH WIND 5 TO 10 KNOTS EASING TO 5 KNOTS
EARLY IN THE MORNING. MOSTLY CLEAR. WAVES AROUND 1 FOOT.
FRIDAY
NORTHWEST WIND 5 KNOTS BECOMING WEST LATE IN THE
MORNING, THEN BACKING SOUTH EARLY IN THE AFTERNOON BECOMING SOUTH
5 TO 10 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES AROUND
1 FOOT.
LMZ646-210400-
WIND POINT WI TO WINTHROP HARBOR IL-
705 PM CDT WED AUG 20 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT THURSDAY
TONIGHT
NORTH WIND 15 TO 20 KNOTS EASING TO 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS LATE IN THE EVENING, THEN VEERING
NORTHEAST WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT BECOMING
NORTHEAST 10 TO 15 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR.
WAVES 3 TO 4 FEET.
THURSDAY
NORTHEAST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS
EARLY IN THE AFTERNOON, THEN RISING TO 10 TO 15 KNOTS LATE IN THE
AFTERNOON. SUNNY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN
THE AFTERNOON.
THURSDAY NIGHT
NORTH WIND 10 TO 15 KNOTS EASING TO 5 TO
10 KNOTS LATE IN THE EVENING, THEN VEERING NORTHEAST AFTER
MIDNIGHT BECOMING NORTH EARLY IN THE MORNING. MOSTLY CLEAR. WAVES
1 TO 2 FEET.
FRIDAY
NORTHWEST WIND 5 KNOTS VEERING SOUTHEAST EARLY IN THE
AFTERNOON, THEN RISING TO 5 TO 10 KNOTS LATE IN THE AFTERNOON.
MOSTLY SUNNY. WAVES AROUND 1 FOOT.
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR SATURDAY THROUGH MONDAY.
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