678
FZUS53 KMKX 182310
NSHMKX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
510 PM CST THU DEC 18 2025
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ643-190500-
SHEBOYGAN TO PORT WASHINGTON WI-
510 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
BECOMING NORTHWEST GALES TO 35 KNOTS EARLY IN THE MORNING. SLIGHT
CHANCE OF RAIN IN THE EVENING. CHANCE OF SNOW THROUGH AROUND
MIDNIGHT, THEN SNOW 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 GALES TO 35 KNOTS EASING TO UP TO 30 KNOTS
LATE IN THE MORNING, THEN EASING TO 15 TO 25 KNOTS EARLY IN THE
AFTERNOON BECOMING WEST 10 TO 20 KNOTS LATE IN THE AFTERNOON.
SLIGHT CHANCE OF SNOW IN THE MORNING. 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-
510 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 THROUGH THE NIGHT. WAVES
3 TO 4 FEET BUILDING TO 3 TO 5 FEET EARLY IN THE MORNING.
FRIDAY
NORTHWEST GALES TO 35 KNOTS EASING TO UP TO 30 KNOTS
LATE IN THE MORNING, THEN EASING TO 15 TO 25 KNOTS EARLY IN THE
AFTERNOON BECOMING WEST 10 TO 20 KNOTS LATE IN THE AFTERNOON.
SLIGHT CHANCE OF SNOW IN THE MORNING. 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-
510 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 THROUGH THE NIGHT. 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 20 KNOTS LATE IN THE AFTERNOON. SLIGHT
CHANCE OF SNOW IN THE MORNING. 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-
510 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 THROUGH AROUND MIDNIGHT. SLIGHT CHANCE OF SNOW AFTER
MIDNIGHT. WAVES 3 TO 4 FEET.
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 20 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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