354
FZUS53 KMKX 211010
NSHMKX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
510 AM CDT THU MAY 21 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ643-211600-
SHEBOYGAN TO PORT WASHINGTON WI-
510 AM CDT THU MAY 21 2026
TODAY
NORTHEAST WIND 15 TO 20 KNOTS EASING TO 10 TO 15 KNOTS
LATE IN THE MORNING, THEN BECOMING NORTHEAST 10 TO 15 KNOTS IN
THE AFTERNOON. PARTLY SUNNY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET LATE IN THE AFTERNOON.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS VEERING EAST AFTER MIDNIGHT. PARTLY CLOUDY THROUGH
AROUND MIDNIGHT THEN BECOMING MOSTLY CLOUDY. WAVES 2 TO 4 FEET.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS RISING TO 15 TO 20 KNOTS
EARLY IN THE AFTERNOON, THEN BECOMING NORTHEAST 15 TO 20 KNOTS
LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 2 TO 4 FEET.
FRIDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS VEERING EAST 10 TO
20 KNOTS LATE IN THE EVENING, THEN BACKING NORTHEAST 15 TO
20 KNOTS AFTER MIDNIGHT. CHANCE OF SHOWERS THROUGH AROUND
MIDNIGHT, THEN SHOWERS LIKELY AFTER MIDNIGHT. WAVES 3 TO 4 FEET
BUILDING TO 4 TO 6 FEET IN THE LATE EVENING AND OVERNIGHT.
LMZ644-211600-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
510 AM CDT THU MAY 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
FRIDAY EVENING...
TODAY
NORTHEAST WIND 15 TO 20 KNOTS EASING TO 10 TO 15 KNOTS
LATE IN THE MORNING, THEN BECOMING NORTHEAST 10 TO 15 KNOTS IN
THE AFTERNOON. MOSTLY CLOUDY. WAVES 3 TO 4 FEET.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS EASING TO 10 TO 15 KNOTS
LATE IN THE EVENING, THEN BECOMING EAST 15 TO 20 KNOTS AFTER
MIDNIGHT. PARTLY CLOUDY THROUGH AROUND MIDNIGHT THEN BECOMING
MOSTLY CLOUDY. WAVES 3 TO 4 FEET.
FRIDAY
EAST WIND 15 TO 20 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE AFTERNOON,
THEN RISING TO 15 TO 20 KNOTS LATE IN THE AFTERNOON. PARTLY
SUNNY. WAVES 3 TO 4 FEET.
FRIDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS BECOMING 10 TO
20 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN BECOMING
15 TO 20 KNOTS EARLY IN THE MORNING. CHANCE OF SHOWERS THROUGH
THE NIGHT. WAVES 3 TO 4 FEET BUILDING TO 5 TO 7 FEET.
LMZ645-211600-
NORTH POINT LIGHT TO WIND POINT WI-
510 AM CDT THU MAY 21 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
TODAY
NORTHEAST WIND 15 TO 20 KNOTS EASING TO 10 TO 15 KNOTS
LATE IN THE MORNING, THEN BECOMING NORTHEAST 10 TO 15 KNOTS EARLY
IN THE AFTERNOON BACKING NORTH WITH GUSTS TO AROUND 20 KNOTS LATE
IN THE AFTERNOON. PARTLY SUNNY. WAVES 3 TO 4 FEET.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS VEERING EAST EARLY IN
THE MORNING. MOSTLY CLOUDY. WAVES 3 TO 4 FEET.
FRIDAY
EAST WIND 15 TO 20 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS EARLY IN THE AFTERNOON, THEN RISING TO 15 TO 20 KNOTS
LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 3 TO 4 FEET.
FRIDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS VEERING EAST 10 TO
20 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN BACKING
NORTHEAST 15 TO 20 KNOTS EARLY IN THE MORNING. CHANCE OF SHOWERS
THROUGH AROUND MIDNIGHT, THEN SHOWERS AFTER MIDNIGHT. WAVES 4 TO
6 FEET BUILDING TO 5 TO 7 FEET AFTER MIDNIGHT.
LMZ646-211600-
WIND POINT WI TO WINTHROP HARBOR IL-
510 AM CDT THU MAY 21 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
TODAY
NORTHEAST WIND 15 TO 20 KNOTS EASING TO 10 TO 15 KNOTS
LATE IN THE MORNING, THEN BECOMING NORTHEAST 10 TO 15 KNOTS EARLY
IN THE AFTERNOON BECOMING NORTH 15 TO 20 KNOTS LATE IN THE
AFTERNOON. CHANCE OF SPRINKLES EARLY IN THE AFTERNOON. WAVES 3 TO
4 FEET.
TONIGHT
NORTH WIND 15 TO 20 KNOTS VEERING EAST AFTER MIDNIGHT.
PARTLY CLOUDY THROUGH AROUND MIDNIGHT THEN BECOMING MOSTLY
CLOUDY. WAVES 3 TO 4 FEET.
FRIDAY
EAST WIND 15 TO 20 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS EARLY IN THE AFTERNOON, THEN RISING TO 15 TO 20 KNOTS
LATE IN THE AFTERNOON. MOSTLY CLOUDY. WAVES 3 TO 4 FEET.
FRIDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS VEERING EAST 10 TO
20 KNOTS LATE IN THE EVENING, THEN BECOMING 15 TO 20 KNOTS AFTER
MIDNIGHT BACKING NORTHEAST EARLY IN THE MORNING. CHANCE OF
SHOWERS THROUGH AROUND MIDNIGHT, THEN SHOWERS AFTER MIDNIGHT.
WAVES 3 TO 4 FEET BUILDING TO 4 TO 6 FEET IN THE LATE EVENING AND
OVERNIGHT.
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR SATURDAY THROUGH MONDAY.
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