228
FZUS53 KMKX 210010
NSHMKX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
710 PM CDT MON JUL 20 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ643-210400-
SHEBOYGAN TO PORT WASHINGTON WI-
710 PM CDT MON JUL 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT TUESDAY
TONIGHT
SOUTH WIND 10 TO 20 KNOTS VEERING SOUTHWEST 15 TO
20 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN BECOMING
WEST 10 TO 15 KNOTS EARLY IN THE MORNING. GUSTS UP TO 25 KNOTS.
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS THROUGH AROUND
MIDNIGHT. WAVES 4 TO 6 FEET SUBSIDING TO 3 TO 5 FEET LATE IN THE
EVENING, THEN SUBSIDING TO 3 TO 4 FEET AFTER MIDNIGHT SUBSIDING
TO 1 TO 2 FEET EARLY IN THE MORNING.
TUESDAY
WEST WIND 15 TO 20 KNOTS VEERING NORTHWEST LATE IN THE
MORNING, THEN BECOMING NORTHWEST 15 TO 20 KNOTS EARLY IN THE
AFTERNOON BECOMING 10 TO 20 KNOTS LATE IN THE AFTERNOON. GUSTS UP
TO 25 KNOTS. SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY.
WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET LATE IN THE AFTERNOON.
TUESDAY NIGHT
NORTHWEST WIND 15 TO 25 KNOTS VEERING NORTH IN
THE LATE EVENING AND EARLY MORNING, THEN BECOMING 15 TO 20 KNOTS
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 3 TO 4 FEET BUILDING
TO 3 TO 5 FEET IN THE LATE EVENING AND OVERNIGHT.
WEDNESDAY
NORTHWEST WIND 15 TO 25 KNOTS VEERING NORTH 15 TO
20 KNOTS LATE IN THE MORNING, THEN EASING TO 10 TO 15 KNOTS WITH
GUSTS TO AROUND 20 KNOTS EARLY IN THE AFTERNOON BECOMING NORTH
10 TO 15 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 3 TO 4 FEET
SUBSIDING TO 1 TO 2 FEET LATE IN THE AFTERNOON.
LMZ644-210400-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
710 PM CDT MON JUL 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT TUESDAY
TONIGHT
SOUTHWEST WIND 10 TO 20 KNOTS BECOMING 15 TO 20 KNOTS
LATE IN THE EVENING, THEN BECOMING SOUTHWEST 15 TO 20 KNOTS AFTER
MIDNIGHT VEERING WEST EARLY IN THE MORNING. GUSTS UP TO 25 KNOTS.
CHANCE OF SHOWERS IN THE EVENING. CHANCE OF THUNDERSTORMS THROUGH
AROUND MIDNIGHT. SHOWERS LIKELY LATE IN THE EVENING. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 2 FEET EARLY IN THE MORNING.
TUESDAY
WEST WIND 15 TO 20 KNOTS VEERING NORTHWEST LATE IN THE
MORNING, THEN BECOMING NORTHWEST 15 TO 20 KNOTS EARLY IN THE
AFTERNOON BECOMING 10 TO 20 KNOTS LATE IN THE AFTERNOON. GUSTS UP
TO 25 KNOTS. SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY.
WAVES 1 TO 2 FEET.
TUESDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS VEERING NORTH
15 TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY.
WAVES 4 TO 6 FEET.
WEDNESDAY
NORTH WIND 15 TO 25 KNOTS BECOMING 15 TO 20 KNOTS
LATE IN THE MORNING, THEN EASING TO 10 TO 15 KNOTS EARLY IN THE
AFTERNOON VEERING NORTHEAST LATE IN THE AFTERNOON. SUNNY. WAVES
3 TO 5 FEET SUBSIDING TO 3 TO 4 FEET IN THE LATE MORNING AND
AFTERNOON.
LMZ645-210400-
NORTH POINT LIGHT TO WIND POINT WI-
710 PM CDT MON JUL 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT TUESDAY
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS BECOMING 10 TO 20 KNOTS
LATE IN THE EVENING, THEN BECOMING 15 TO 20 KNOTS AFTER MIDNIGHT
VEERING WEST EARLY IN THE MORNING. GUSTS UP TO 25 KNOTS. SHOWERS
LIKELY AND A CHANCE OF THUNDERSTORMS THROUGH AROUND MIDNIGHT.
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.
TUESDAY
WEST WIND 15 TO 20 KNOTS VEERING NORTHWEST LATE IN THE
AFTERNOON. GUSTS UP TO 25 KNOTS. SUNNY IN THE MORNING THEN
BECOMING PARTLY SUNNY. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS VEERING NORTH
15 TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY.
WAVES 4 TO 6 FEET BUILDING TO 5 TO 7 FEET.
WEDNESDAY
NORTH WIND 15 TO 25 KNOTS BECOMING 15 TO 20 KNOTS
LATE IN THE MORNING, THEN BECOMING 10 TO 20 KNOTS EARLY IN THE
AFTERNOON VEERING NORTHEAST 10 TO 15 KNOTS LATE IN THE AFTERNOON.
SUNNY. WAVES 4 TO 6 FEET.
LMZ646-210400-
WIND POINT WI TO WINTHROP HARBOR IL-
710 PM CDT MON JUL 20 2026
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS VEERING WEST EARLY IN
THE MORNING. GUSTS UP TO 25 KNOTS. SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS THROUGH AROUND MIDNIGHT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO
1 TO 2 FEET EARLY IN THE MORNING.
TUESDAY
WEST WIND 15 TO 20 KNOTS VEERING NORTHWEST IN THE
AFTERNOON. GUSTS UP TO 25 KNOTS. SUNNY IN THE MORNING THEN
BECOMING PARTLY SUNNY. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS VEERING NORTH
15 TO 25 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN
BECOMING 15 TO 20 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY.
WAVES 4 TO 6 FEET BUILDING TO 5 TO 7 FEET. A SMALL CRAFT ADVISORY
MAY BE NEEDED.
WEDNESDAY
NORTH WIND 15 TO 25 KNOTS BECOMING 15 TO 20 KNOTS
LATE IN THE MORNING, THEN BECOMING 10 TO 20 KNOTS EARLY IN THE
AFTERNOON VEERING NORTHEAST 10 TO 15 KNOTS LATE IN THE AFTERNOON.
SUNNY. WAVES 4 TO 6 FEET SUBSIDING TO 3 TO 4 FEET.
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR THURSDAY THROUGH SATURDAY.
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