819
FZUS53 KMKX 210810
NSHMKX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
310 AM CDT TUE APR 21 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ643-212100-
SHEBOYGAN TO PORT WASHINGTON WI-
310 AM CDT TUE APR 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING
EARLY THIS MORNING
SOUTH WIND 15 TO 20 KNOTS. PARTLY CLOUDY.
WAVES 3 TO 4 FEET.
TODAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
VEERING SOUTHWEST LATE IN THE MORNING, THEN BACKING SOUTH EARLY
IN THE AFTERNOON BECOMING SOUTHEAST 5 TO 10 KNOTS LATE IN THE
AFTERNOON. SCATTERED SPRINKLES LATE IN THE MORNING. WAVES 3 TO
4 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BACKING NORTH LATE IN THE
EVENING, THEN RISING TO 10 TO 15 KNOTS AFTER MIDNIGHT EASING TO
5 TO 10 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
WEDNESDAY
NORTH WIND 5 TO 10 KNOTS VEERING EAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS VEERING SOUTH
AFTER MIDNIGHT, THEN RISING TO 10 TO 15 KNOTS EARLY IN THE
MORNING. PARTLY CLOUDY. WAVES AROUND 1 FOOT.
LMZ644-212100-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
310 AM CDT TUE APR 21 2026
EARLY THIS MORNING
SOUTH WIND 10 TO 15 KNOTS RISING TO 15 TO
20 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 2 TO 4 FEET.
TODAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
VEERING SOUTHWEST IN THE LATE MORNING AND EARLY AFTERNOON, THEN
BACKING SOUTH LATE IN THE AFTERNOON. SCATTERED SPRINKLES EARLY IN
THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE
AFTERNOON.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BACKING NORTH LATE IN THE
EVENING, THEN BECOMING NORTH 5 TO 10 KNOTS AFTER MIDNIGHT. MOSTLY
CLEAR. WAVES AROUND 1 FOOT.
WEDNESDAY
NORTH WIND 5 TO 10 KNOTS VEERING EAST LATE IN THE
AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.
WEDNESDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS VEERING SOUTH
AFTER MIDNIGHT. PARTLY CLOUDY. WAVES AROUND 1 FOOT.
LMZ645-212100-
NORTH POINT LIGHT TO WIND POINT WI-
310 AM CDT TUE APR 21 2026
EARLY THIS MORNING
SOUTH WIND 15 TO 20 KNOTS. MOSTLY CLOUDY.
WAVES 2 TO 4 FEET.
TODAY
SOUTHWEST WIND 15 TO 20 KNOTS EASING TO 10 TO 15 KNOTS
LATE IN THE MORNING, THEN BECOMING SOUTHWEST 10 TO 15 KNOTS IN
THE AFTERNOON. SCATTERED SHOWERS EARLY IN THE AFTERNOON. WAVES
2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE AFTERNOON.
TONIGHT
WEST WIND 5 TO 10 KNOTS VEERING NORTH EARLY IN THE
MORNING. PARTLY CLOUDY. WAVES AROUND 1 FOOT.
WEDNESDAY
NORTH WIND 5 TO 10 KNOTS VEERING EAST LATE IN THE
AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.
WEDNESDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS VEERING SOUTH
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES AROUND 1 FOOT.
LMZ646-212100-
WIND POINT WI TO WINTHROP HARBOR IL-
310 AM CDT TUE APR 21 2026
EARLY THIS MORNING
SOUTH WIND 15 TO 20 KNOTS. MOSTLY CLOUDY.
WAVES 2 TO 4 FEET.
TODAY
SOUTHWEST WIND 15 TO 20 KNOTS EASING TO 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS LATE IN THE MORNING, THEN BECOMING
SOUTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY IN
THE AFTERNOON BECOMING SOUTHWEST 10 TO 15 KNOTS LATE IN THE
AFTERNOON. ISOLATED SHOWERS EARLY IN THE AFTERNOON. SCATTERED
SPRINKLES LATE IN THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO
1 TO 2 FEET IN THE AFTERNOON.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS VEERING NORTH EARLY IN
THE MORNING. PATCHY FOG AFTER MIDNIGHT. WAVES AROUND 1 FOOT.
WEDNESDAY
NORTH WIND 5 TO 10 KNOTS VEERING EAST LATE IN THE
AFTERNOON. PATCHY FOG IN THE MORNING. WAVES AROUND 1 FOOT.
WEDNESDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS VEERING SOUTH
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES AROUND 1 FOOT.
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR THURSDAY THROUGH SATURDAY.
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