502
FZUS53 KMKX 182111
NSHMKX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
311 PM CST THU DEC 18 2025
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ643-190500-
SHEBOYGAN TO PORT WASHINGTON WI-
311 PM CST THU DEC 18 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
..GALE WARNING IN EFFECT THROUGH FRIDAY MORNING
TONIGHT
WEST WIND 15 TO 25 KNOTS RISING TO UP TO 30 KNOTS LATE
IN THE EVENING, THEN BECOMING WEST UP TO 30 KNOTS AFTER MIDNIGHT
VEERING NORTHWEST EARLY IN THE MORNING. GUSTS UP TO 35 KNOTS.
CHANCE OF RAIN AND SNOW SHOWERS THROUGH AROUND MIDNIGHT, THEN
SNOW SHOWERS LIKELY AFTER MIDNIGHT. WAVES 4 TO 6 FEET SUBSIDING
TO 3 TO 4 FEET IN THE LATE EVENING AND EARLY MORNING, THEN
BUILDING TO 3 TO 5 FEET EARLY IN THE MORNING.
FRIDAY
NORTHWEST WIND UP TO 30 KNOTS WITH GUSTS TO AROUND
35 KNOTS EASING TO 15 TO 25 KNOTS EARLY IN THE AFTERNOON, THEN
BECOMING WEST 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS LATE
IN THE AFTERNOON. MOSTLY SUNNY. WAVES 3 TO 5 FEET SUBSIDING TO
1 TO 2 FEET LATE IN THE AFTERNOON.
FRIDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING SOUTH
15 TO 25 KNOTS LATE IN THE EVENING, THEN RISING TO UP TO 30 KNOTS
AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES AROUND 1 FOOT BUILDING TO
7 TO 9 FEET.
SATURDAY
SOUTH WIND 15 TO 25 KNOTS VEERING SOUTHWEST 15 TO
20 KNOTS LATE IN THE MORNING, THEN VEERING WEST EARLY IN THE
AFTERNOON RISING TO UP TO 30 KNOTS LATE IN THE AFTERNOON. SLIGHT
CHANCE OF SNOW IN THE MORNING. WAVES 7 TO 9 FEET SUBSIDING TO
3 TO 4 FEET.
WAVE HEIGHTS ARE FOR ICE FREE AREAS.
LMZ644-190500-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
311 PM CST THU DEC 18 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
..GALE WARNING IN EFFECT THROUGH FRIDAY MORNING
TONIGHT
WEST WIND 15 TO 25 KNOTS RISING TO UP TO 30 KNOTS LATE
IN THE EVENING, THEN BECOMING WEST UP TO 30 KNOTS AFTER MIDNIGHT.
GUSTS UP TO 35 KNOTS. CHANCE OF SNOW SHOWERS IN THE EVENING.
SLIGHT CHANCE OF SNOW SHOWERS LATE IN THE EVENING, THEN CHANCE OF
SNOW SHOWERS AFTER MIDNIGHT. WAVES 3 TO 4 FEET BUILDING TO 3 TO
5 FEET EARLY IN THE MORNING.
FRIDAY
NORTHWEST WIND UP TO 30 KNOTS WITH GUSTS TO AROUND
35 KNOTS BECOMING WEST 15 TO 25 KNOTS EARLY IN THE AFTERNOON,
THEN EASING TO 10 TO 15 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY
IN THE MORNING THEN CLEARING. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO
2 FEET.
FRIDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING SOUTH
15 TO 20 KNOTS LATE IN THE EVENING, THEN BECOMING 15 TO 25 KNOTS
AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES AROUND 1 FOOT BUILDING TO
5 TO 7 FEET.
SATURDAY
SOUTH WIND 15 TO 25 KNOTS VEERING SOUTHWEST 15 TO
20 KNOTS LATE IN THE MORNING, THEN VEERING WEST WITH GUSTS TO
AROUND 25 KNOTS EARLY IN THE AFTERNOON RISING TO UP TO 30 KNOTS
LATE IN THE AFTERNOON. SLIGHT CHANCE OF SNOW IN THE MORNING.
WAVES 5 TO 7 FEET SUBSIDING TO 3 TO 4 FEET.
WAVE HEIGHTS ARE FOR ICE FREE AREAS.
LMZ645-190500-
NORTH POINT LIGHT TO WIND POINT WI-
311 PM CST THU DEC 18 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
..GALE WARNING IN EFFECT THROUGH FRIDAY MORNING
TONIGHT
WEST WIND 15 TO 25 KNOTS RISING TO UP TO 30 KNOTS IN
THE LATE EVENING AND EARLY MORNING, THEN BECOMING WEST UP TO
30 KNOTS EARLY IN THE MORNING. GUSTS UP TO 35 KNOTS. CHANCE OF
SNOW SHOWERS IN THE EVENING. SLIGHT CHANCE OF SNOW SHOWERS LATE
IN THE EVENING, THEN CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
FREEZING SPRAY EARLY IN THE MORNING. WAVES 3 TO 4 FEET BUILDING
TO 3 TO 5 FEET EARLY IN THE MORNING.
FRIDAY
NORTHWEST WIND UP TO 30 KNOTS WITH GUSTS TO AROUND
35 KNOTS BECOMING WEST 15 TO 25 KNOTS EARLY IN THE AFTERNOON,
THEN EASING TO 10 TO 15 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY
IN THE MORNING THEN CLEARING. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO
2 FEET.
FRIDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING SOUTH
15 TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY.
WAVES AROUND 1 FOOT BUILDING TO 5 TO 7 FEET.
SATURDAY
SOUTH WIND 15 TO 25 KNOTS VEERING SOUTHWEST LATE IN
THE MORNING, THEN VEERING WEST 15 TO 20 KNOTS EARLY IN THE
AFTERNOON BECOMING 15 TO 25 KNOTS LATE IN THE AFTERNOON. SLIGHT
CHANCE OF SNOW THROUGH THE DAY. SLIGHT CHANCE OF RAIN IN THE
AFTERNOON. WAVES 4 TO 6 FEET SUBSIDING TO 3 TO 5 FEET IN THE LATE
MORNING AND AFTERNOON.
WAVE HEIGHTS ARE FOR ICE FREE AREAS.
LMZ646-190500-
WIND POINT WI TO WINTHROP HARBOR IL-
311 PM CST THU DEC 18 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING
..GALE WARNING IN EFFECT THROUGH FRIDAY MORNING
TONIGHT
WEST WIND 15 TO 25 KNOTS RISING TO UP TO 30 KNOTS
AFTER MIDNIGHT, THEN BECOMING WEST UP TO 30 KNOTS EARLY IN THE
MORNING. GUSTS UP TO 35 KNOTS. CHANCE OF SNOW SHOWERS UNTIL EARLY
MORNING. SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE MORNING.
WAVES 3 TO 4 FEET.
FRIDAY
NORTHWEST WIND UP TO 30 KNOTS WITH GUSTS TO AROUND
35 KNOTS BECOMING NORTHWEST UP TO 30 KNOTS LATE IN THE MORNING,
THEN BECOMING WEST 15 TO 25 KNOTS EARLY IN THE AFTERNOON EASING
TO 10 TO 15 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY IN THE
MORNING THEN CLEARING. WAVES 3 TO 4 FEET SUBSIDING TO 1 TO 2 FEET
LATE IN THE AFTERNOON.
FRIDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING SOUTH
15 TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY.
WAVES AROUND 1 FOOT BUILDING TO 4 TO 6 FEET.
SATURDAY
SOUTH WIND 15 TO 25 KNOTS VEERING SOUTHWEST 15 TO
20 KNOTS LATE IN THE MORNING, THEN VEERING WEST EARLY IN THE
AFTERNOON BECOMING 15 TO 25 KNOTS LATE IN THE AFTERNOON. SLIGHT
CHANCE OF SNOW THROUGH THE DAY. SLIGHT CHANCE OF RAIN IN THE
AFTERNOON. WAVES 4 TO 6 FEET SUBSIDING TO 3 TO 5 FEET IN THE LATE
MORNING AND AFTERNOON.
WAVE HEIGHTS ARE FOR ICE FREE AREAS.
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR SUNDAY THROUGH TUESDAY.
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