509
FZUS53 KMKX 172310
NSHMKX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
510 PM CST WED DEC 17 2025
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ643-180500-
SHEBOYGAN TO PORT WASHINGTON WI-
510 PM CST WED DEC 17 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
...GALE WARNING IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
MORNING...
TONIGHT
SOUTH WIND 15 TO 25 KNOTS RISING TO UP TO 30 KNOTS IN
THE LATE EVENING AND OVERNIGHT. CHANCE OF RAIN EARLY IN THE
MORNING. WAVES 3 TO 4 FEET BUILDING TO 8 TO 10 FEET.
THURSDAY
SOUTH WIND UP TO 30 KNOTS BECOMING SOUTHWEST 15 TO
25 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN VEERING
WEST LATE IN THE AFTERNOON. RAIN IN THE MORNING, THEN CHANCE OF
RAIN IN THE AFTERNOON. WAVES 7 TO 9 FEET SUBSIDING TO 4 TO
6 FEET.
THURSDAY NIGHT
WEST GALES TO 35 KNOTS. GUSTS UP TO 40 KNOTS.
CHANCE OF SNOW. WAVES 4 TO 6 FEET.
FRIDAY
NORTHWEST GALES TO 35 KNOTS EASING TO 15 TO 25 KNOTS
LATE IN THE MORNING, THEN BECOMING 15 TO 20 KNOTS EARLY IN THE
AFTERNOON BECOMING WEST 10 TO 15 KNOTS LATE IN THE AFTERNOON.
PARTLY SUNNY. WAVES 4 TO 6 FEET SUBSIDING TO 1 TO 2 FEET LATE IN
THE AFTERNOON.
WAVE HEIGHTS ARE FOR ICE FREE AREAS.
LMZ644-180500-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
510 PM CST WED DEC 17 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
...GALE WARNING IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
MORNING...
TONIGHT
SOUTH WIND 15 TO 20 KNOTS BECOMING 15 TO 25 KNOTS IN
THE LATE EVENING AND OVERNIGHT. GUSTS UP TO 30 KNOTS. CHANCE OF
RAIN EARLY IN THE MORNING. WAVES 4 TO 6 FEET BUILDING TO 6 TO
8 FEET AFTER MIDNIGHT.
THURSDAY
SOUTH WIND 15 TO 25 KNOTS VEERING WEST LATE IN THE
AFTERNOON. GUSTS UP TO 30 KNOTS. RAIN IN THE MORNING, THEN RAIN
LIKELY AND SLIGHT CHANCE OF SNOW IN THE AFTERNOON. WAVES 6 TO
8 FEET SUBSIDING TO 4 TO 6 FEET.
THURSDAY NIGHT
WEST GALES TO 35 KNOTS. GUSTS UP TO 40 KNOTS.
CHANCE OF SNOW. WAVES 4 TO 6 FEET.
FRIDAY
NORTHWEST GALES TO 35 KNOTS EASING TO 15 TO 25 KNOTS
WITH GUSTS TO AROUND 30 KNOTS LATE IN THE MORNING, THEN BECOMING
15 TO 20 KNOTS EARLY IN THE AFTERNOON BECOMING WEST 10 TO
15 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 4 TO 6 FEET
SUBSIDING TO 1 TO 2 FEET LATE IN THE AFTERNOON.
WAVE HEIGHTS ARE FOR ICE FREE AREAS.
LMZ645-180500-
NORTH POINT LIGHT TO WIND POINT WI-
510 PM CST WED DEC 17 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
...GALE WARNING IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
MORNING...
TONIGHT
SOUTH WIND 15 TO 20 KNOTS BECOMING 15 TO 25 KNOTS IN
THE LATE EVENING AND EARLY MORNING, THEN BECOMING SOUTH 15 TO
25 KNOTS EARLY IN THE MORNING. GUSTS UP TO 30 KNOTS. CHANCE OF
RAIN EARLY IN THE MORNING. WAVES 4 TO 6 FEET BUILDING TO 5 TO
7 FEET.
THURSDAY
SOUTH WIND UP TO 30 KNOTS BECOMING SOUTHWEST 15 TO
25 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN VEERING
WEST LATE IN THE AFTERNOON. RAIN IN THE MORNING, THEN RAIN LIKELY
IN THE AFTERNOON. WAVES 5 TO 7 FEET SUBSIDING TO 3 TO 5 FEET
EARLY IN THE AFTERNOON, THEN SUBSIDING TO 3 TO 4 FEET LATE IN THE
AFTERNOON.
THURSDAY NIGHT
WEST GALES TO 35 KNOTS. CHANCE OF SNOW. WAVES
4 TO 6 FEET.
FRIDAY
NORTHWEST GALES TO 35 KNOTS EASING TO 15 TO 25 KNOTS
WITH GUSTS TO AROUND 30 KNOTS LATE IN THE MORNING, THEN BECOMING
15 TO 20 KNOTS EARLY IN THE AFTERNOON BECOMING WEST 10 TO
15 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 4 TO 6 FEET
SUBSIDING TO 1 TO 2 FEET LATE IN THE AFTERNOON.
WAVE HEIGHTS ARE FOR ICE FREE AREAS.
LMZ646-180500-
WIND POINT WI TO WINTHROP HARBOR IL-
510 PM CST WED DEC 17 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
...GALE WARNING IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
MORNING...
TONIGHT
SOUTH WIND 15 TO 20 KNOTS BECOMING 15 TO 25 KNOTS IN
THE LATE EVENING AND EARLY MORNING, THEN BECOMING SOUTH 15 TO
25 KNOTS EARLY IN THE MORNING. GUSTS UP TO 30 KNOTS. RAIN LIKELY
EARLY IN THE MORNING. WAVES 4 TO 6 FEET BUILDING TO 5 TO 7 FEET.
THURSDAY
SOUTH WIND 15 TO 25 KNOTS VEERING WEST LATE IN THE
AFTERNOON. GUSTS UP TO 35 KNOTS. RAIN IN THE MORNING, THEN CHANCE
OF RAIN IN THE AFTERNOON. WAVES 5 TO 7 FEET SUBSIDING TO 3 TO
5 FEET IN THE AFTERNOON.
THURSDAY NIGHT
WEST WIND UP TO 30 KNOTS RISING TO GALES TO
35 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN BECOMING
WEST GALES TO 35 KNOTS EARLY IN THE MORNING. CHANCE OF SNOW
THROUGH AROUND MIDNIGHT, THEN SLIGHT CHANCE OF SNOW AFTER
MIDNIGHT. WAVES 3 TO 5 FEET.
FRIDAY
NORTHWEST GALES TO 35 KNOTS EASING TO 15 TO 25 KNOTS
LATE IN THE MORNING, THEN BACKING WEST 15 TO 20 KNOTS EARLY IN
THE AFTERNOON EASING TO 10 TO 15 KNOTS LATE IN THE AFTERNOON.
PARTLY SUNNY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 2 FEET.
WAVE HEIGHTS ARE FOR ICE FREE AREAS.
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR SATURDAY THROUGH MONDAY.
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