613
FZUS53 KMKX 182010
NSHMKX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
310 PM CDT MON MAY 18 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ643-190900-
SHEBOYGAN TO PORT WASHINGTON WI-
310 PM CDT MON MAY 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING
THROUGH EARLY EVENING
SOUTH WIND 10 TO 15 KNOTS. PARTLY SUNNY.
WAVES 3 TO 4 FEET.
TONIGHT
SOUTH WIND 10 TO 15 KNOTS RISING TO 15 TO 20 KNOTS
LATE IN THE EVENING, THEN BECOMING SOUTH 15 TO 20 KNOTS AFTER
MIDNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE LATE EVENING
AND OVERNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 3 TO 4 FEET
BUILDING TO 4 TO 6 FEET EARLY IN THE MORNING.
TUESDAY
SOUTH WIND 15 TO 20 KNOTS VEERING WEST LATE IN THE
AFTERNOON. GUSTS UP TO 25 KNOTS. PATCHY FOG IN THE MORNING.
SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. CHANCE OF SHOWERS
THROUGH THE DAY. WAVES 4 TO 6 FEET SUBSIDING TO 3 TO 4 FEET IN
THE LATE MORNING AND AFTERNOON.
TUESDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS EASING TO 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS LATE IN THE EVENING, THEN
BECOMING NORTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
AFTER MIDNIGHT VEERING NORTH EARLY IN THE MORNING. PARTLY CLOUDY.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING
AND OVERNIGHT.
WEDNESDAY
NORTH WIND 10 TO 15 KNOTS VEERING NORTHEAST LATE IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LMZ644-190900-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
310 PM CDT MON MAY 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY AFTERNOON...
THROUGH EARLY EVENING
SOUTH WIND 5 TO 10 KNOTS RISING TO 10 TO
15 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 2 TO 4 FEET.
TONIGHT
SOUTH WIND 10 TO 15 KNOTS RISING TO 15 TO 20 KNOTS
LATE IN THE EVENING, THEN BECOMING SOUTH 15 TO 20 KNOTS AFTER
MIDNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE LATE EVENING
AND OVERNIGHT. WAVES 1 TO 3 FEET BUILDING TO 3 TO 4 FEET IN THE
LATE EVENING AND OVERNIGHT.
TUESDAY
SOUTH WIND 15 TO 20 KNOTS VEERING WEST LATE IN THE
AFTERNOON. GUSTS UP TO 25 KNOTS. SLIGHT CHANCE OF THUNDERSTORMS
IN THE MORNING. CHANCE OF SHOWERS THROUGH THE DAY. WAVES 3 TO
4 FEET SUBSIDING TO 1 TO 2 FEET LATE IN THE AFTERNOON.
TUESDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS EASING TO 10 TO
15 KNOTS LATE IN THE EVENING, THEN BECOMING NORTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT VEERING
NORTH EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTH WIND 10 TO 15 KNOTS VEERING NORTHEAST LATE IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET BUILDING TO 2 TO
4 FEET IN THE AFTERNOON.
LMZ645-190900-
NORTH POINT LIGHT TO WIND POINT WI-
310 PM CDT MON MAY 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY AFTERNOON...
THROUGH EARLY EVENING
SOUTH WIND 10 TO 15 KNOTS. PARTLY SUNNY.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
TONIGHT
SOUTH WIND 10 TO 15 KNOTS RISING TO 15 TO 20 KNOTS.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE LATE EVENING AND
OVERNIGHT. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET IN THE LATE
EVENING AND OVERNIGHT.
TUESDAY
SOUTHWEST WIND 15 TO 20 KNOTS VEERING WEST LATE IN THE
AFTERNOON. GUSTS UP TO 25 KNOTS. SLIGHT CHANCE OF SHOWERS IN THE
MORNING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE DAY. CHANCE
OF SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
2 FEET LATE IN THE AFTERNOON.
TUESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS VEERING NORTH EARLY IN THE MORNING. PARTLY
CLOUDY. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTH WIND 10 TO 15 KNOTS VEERING NORTHEAST LATE IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 2 TO 4 FEET.
LMZ646-190900-
WIND POINT WI TO WINTHROP HARBOR IL-
310 PM CDT MON MAY 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY AFTERNOON...
THROUGH EARLY EVENING
SOUTH WIND 5 TO 10 KNOTS RISING TO 10 TO
15 KNOTS LATE IN THE AFTERNOON. MOSTLY CLOUDY. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
TONIGHT
SOUTH WIND 10 TO 15 KNOTS RISING TO 15 TO 20 KNOTS
AFTER MIDNIGHT, THEN BECOMING SOUTH 15 TO 20 KNOTS EARLY IN THE
MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE LATE
EVENING AND OVERNIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET
IN THE LATE EVENING AND OVERNIGHT.
TUESDAY
SOUTH WIND 15 TO 20 KNOTS VEERING SOUTHWEST LATE IN
THE MORNING, THEN BECOMING SOUTHWEST 15 TO 20 KNOTS EARLY IN THE
AFTERNOON BECOMING WEST 10 TO 15 KNOTS LATE IN THE AFTERNOON.
GUSTS UP TO 25 KNOTS. SLIGHT CHANCE OF SHOWERS IN THE MORNING.
SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE DAY. CHANCE OF SHOWERS
IN THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET LATE
IN THE AFTERNOON.
TUESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS VEERING NORTH EARLY IN THE MORNING. PARTLY
CLOUDY. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTH WIND 10 TO 15 KNOTS VEERING NORTHEAST LATE IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 2 TO 4 FEET.
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR THURSDAY THROUGH SATURDAY.
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