535
FZUS53 KMKX 180610
NSHMKX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
110 AM CDT MON MAY 18 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ643-180900-
SHEBOYGAN TO PORT WASHINGTON WI-
110 AM CDT MON MAY 18 2026
...DENSE FOG ADVISORY IN EFFECT UNTIL 3 AM CDT EARLY THIS
MORNING...
REST OF TONIGHT
SOUTH WIND 10 TO 15 KNOTS BECOMING SOUTH 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING.
AREAS OF DENSE FOG AFTER MIDNIGHT, THEN PATCHY FOG EARLY IN THE
MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE
MORNING. WAVES 3 TO 5 FEET.
MONDAY
SOUTH WIND 15 TO 20 KNOTS. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 3 TO 4 FEET BUILDING TO 4 TO 6 FEET LATE IN
THE MORNING, THEN SUBSIDING TO 3 TO 4 FEET IN THE AFTERNOON.
MONDAY NIGHT
SOUTH WIND 15 TO 20 KNOTS BECOMING 15 TO 25 KNOTS
EARLY IN THE MORNING. PATCHY FOG THROUGH AROUND MIDNIGHT. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH AROUND MIDNIGHT, THEN
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
WAVES 3 TO 4 FEET BUILDING TO 4 TO 6 FEET.
TUESDAY
SOUTH WIND 15 TO 25 KNOTS VEERING WEST LATE IN THE
AFTERNOON. RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS
THROUGH THE DAY. WAVES 5 TO 7 FEET SUBSIDING TO 3 TO 4 FEET.
LMZ644-180900-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
110 AM CDT MON MAY 18 2026
...DENSE FOG ADVISORY IN EFFECT UNTIL 3 AM CDT EARLY THIS
MORNING...
REST OF TONIGHT
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE MORNING. PATCHY DENSE FOG AFTER MIDNIGHT.
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. WAVES
3 TO 4 FEET.
MONDAY
SOUTH WIND 10 TO 20 KNOTS BECOMING 15 TO 20 KNOTS IN
THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING SOUTH 15 TO
20 KNOTS LATE IN THE AFTERNOON. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 3 TO 4 FEET.
MONDAY NIGHT
SOUTH WIND 15 TO 20 KNOTS BECOMING 15 TO 25 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH AROUND MIDNIGHT, THEN SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 3 TO 4 FEET BUILDING TO 3 TO
5 FEET EARLY IN THE MORNING.
TUESDAY
SOUTH WIND 15 TO 25 KNOTS VEERING WEST LATE IN THE
AFTERNOON. RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS
THROUGH THE DAY. WAVES 3 TO 5 FEET SUBSIDING TO 3 TO 4 FEET IN
THE AFTERNOON.
LMZ645-180900-
NORTH POINT LIGHT TO WIND POINT WI-
110 AM CDT MON MAY 18 2026
REST OF TONIGHT
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS. CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE
MORNING. WAVES 2 TO 4 FEET.
MONDAY
SOUTH WIND 15 TO 20 KNOTS. RAIN SHOWERS LIKELY IN THE
MORNING. CHANCE OF THUNDERSTORMS THROUGH THE DAY. CHANCE OF
SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FEET.
MONDAY NIGHT
SOUTH WIND 15 TO 20 KNOTS BECOMING 15 TO 25 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH AROUND MIDNIGHT, THEN SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 3 TO 4 FEET. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
TUESDAY
SOUTH WIND 15 TO 25 KNOTS VEERING SOUTHWEST LATE IN
THE MORNING, THEN VEERING WEST EARLY IN THE AFTERNOON BECOMING
15 TO 20 KNOTS LATE IN THE AFTERNOON. SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. WAVES 3 TO 4 FEET.
LMZ646-180900-
WIND POINT WI TO WINTHROP HARBOR IL-
110 AM CDT MON MAY 18 2026
REST OF TONIGHT
SOUTH WIND 10 TO 15 KNOTS RISING TO 15 TO
20 KNOTS EARLY IN THE MORNING. CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE MORNING. WAVES 2 TO 4 FEET.
MONDAY
SOUTH WIND 15 TO 20 KNOTS EASING TO 10 TO 15 KNOTS IN
THE AFTERNOON. RAIN SHOWERS LIKELY IN THE MORNING. CHANCE OF
THUNDERSTORMS THROUGH THE DAY. CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 2 TO 4 FEET.
MONDAY NIGHT
SOUTH WIND 15 TO 20 KNOTS BECOMING 15 TO 25 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH AROUND MIDNIGHT, THEN SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 3 TO 4 FEET. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
TUESDAY
SOUTH WIND 15 TO 25 KNOTS VEERING SOUTHWEST LATE IN
THE MORNING, THEN BECOMING 15 TO 20 KNOTS EARLY IN THE AFTERNOON
VEERING WEST LATE IN THE AFTERNOON. SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. WAVES 3 TO 4 FEET SUBSIDING TO 1 TO 2 FEET LATE
IN THE AFTERNOON.
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR WEDNESDAY THROUGH FRIDAY.
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