433
FZUS53 KMKX 181610
NSHMKX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1110 AM CDT FRI SEP 18 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ643-182200-
SHEBOYGAN TO PORT WASHINGTON WI-
1110 AM CDT FRI SEP 18 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS RISING TO 15 TO
20 KNOTS LATE IN THE AFTERNOON. ISOLATED SHOWERS EARLY IN THE
AFTERNOON. SCATTERED SHOWERS LATE IN THE AFTERNOON. WAVES 2 TO
4 FEET.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS VEERING EAST 15 TO
25 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN VEERING
SOUTHEAST EARLY IN THE MORNING. NUMEROUS SHOWERS THROUGH AROUND
MIDNIGHT, THEN SHOWERS AND A CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. WAVES 3 TO 5 FEET BUILDING TO 5 TO 7 FEET IN THE LATE
EVENING AND OVERNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SATURDAY
SOUTHEAST WIND UP TO 30 KNOTS BECOMING EAST 15 TO
25 KNOTS IN THE LATE MORNING AND AFTERNOON. RAIN SHOWERS IN THE
MORNING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE DAY. CHANCE
OF SHOWERS IN THE AFTERNOON. WAVES 7 TO 9 FEET.
SATURDAY NIGHT
EAST WIND 10 TO 20 KNOTS BACKING NORTHEAST
15 TO 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. CHANCE OF
SHOWERS. WAVES 5 TO 7 FEET SUBSIDING TO 3 TO 4 FEET.
LMZ644-182200-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
1110 AM CDT FRI SEP 18 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS RISING TO 15 TO
20 KNOTS LATE IN THE AFTERNOON. ISOLATED SHOWERS EARLY IN THE
AFTERNOON. SCATTERED SHOWERS LATE IN THE AFTERNOON. WAVES 3 TO
4 FEET.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS VEERING EAST 15 TO
25 KNOTS IN THE LATE EVENING AND OVERNIGHT. NUMEROUS SHOWERS
THROUGH AROUND MIDNIGHT, THEN SHOWERS AND A CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 3 TO 5 FEET BUILDING TO 6 TO
8 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SATURDAY
SOUTHEAST WIND 15 TO 25 KNOTS BACKING EAST LATE IN
THE AFTERNOON. GUSTS UP TO 30 KNOTS. SHOWERS IN THE MORNING.
CHANCE OF THUNDERSTORMS THROUGH THE DAY. SHOWERS LIKELY IN THE
AFTERNOON. WAVES 7 TO 9 FEET.
SATURDAY NIGHT
EAST WIND 10 TO 20 KNOTS BACKING NORTHEAST
15 TO 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. CHANCE OF
THUNDERSTORMS THROUGH AROUND MIDNIGHT. SHOWERS LIKELY THROUGH THE
NIGHT. WAVES 6 TO 8 FEET SUBSIDING TO 4 TO 6 FEET.
LMZ645-182200-
NORTH POINT LIGHT TO WIND POINT WI-
1110 AM CDT FRI SEP 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM CDT THIS AFTERNOON
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS RISING TO 15 TO
20 KNOTS LATE IN THE AFTERNOON. ISOLATED SHOWERS. WAVES 3 TO
4 FEET.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS VEERING EAST 15 TO
25 KNOTS IN THE LATE EVENING AND OVERNIGHT. SCATTERED SHOWERS
THROUGH AROUND MIDNIGHT, THEN SHOWERS AND A CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 3 TO 4 FEET BUILDING TO 6 TO
8 FEET.
SATURDAY
SOUTHEAST WIND 15 TO 25 KNOTS BACKING EAST EARLY IN
THE AFTERNOON, THEN BECOMING 15 TO 20 KNOTS LATE IN THE
AFTERNOON. SHOWERS IN THE MORNING. CHANCE OF THUNDERSTORMS
THROUGH THE DAY. SHOWERS LIKELY IN THE AFTERNOON. WAVES 6 TO
8 FEET SUBSIDING TO 5 TO 7 FEET LATE IN THE AFTERNOON.
SATURDAY NIGHT
EAST WIND 15 TO 20 KNOTS BACKING NORTHEAST
EARLY IN THE MORNING. CHANCE OF THUNDERSTORMS THROUGH AROUND
MIDNIGHT. SHOWERS LIKELY THROUGH THE NIGHT. WAVES 5 TO 7 FEET
SUBSIDING TO 4 TO 6 FEET AFTER MIDNIGHT.
LMZ646-182200-
WIND POINT WI TO WINTHROP HARBOR IL-
1110 AM CDT FRI SEP 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM CDT THIS AFTERNOON
REST OF TODAY
EAST WIND 15 TO 20 KNOTS BACKING NORTHEAST LATE
IN THE AFTERNOON. ISOLATED SHOWERS EARLY IN THE AFTERNOON. WAVES
3 TO 4 FEET.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS VEERING EAST 15 TO
25 KNOTS IN THE LATE EVENING AND OVERNIGHT. SCATTERED SHOWERS
THROUGH AROUND MIDNIGHT, THEN SHOWERS AND A CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 3 TO 4 FEET BUILDING TO 6 TO
8 FEET.
SATURDAY
SOUTHEAST WIND 15 TO 25 KNOTS BACKING EAST 15 TO
20 KNOTS LATE IN THE AFTERNOON. SHOWERS IN THE MORNING. CHANCE OF
THUNDERSTORMS THROUGH THE DAY. SHOWERS LIKELY IN THE AFTERNOON.
WAVES 6 TO 8 FEET SUBSIDING TO 5 TO 7 FEET EARLY IN THE
AFTERNOON, THEN SUBSIDING TO 4 TO 6 FEET LATE IN THE AFTERNOON.
SATURDAY NIGHT
EAST WIND 15 TO 20 KNOTS BACKING NORTHEAST
EARLY IN THE MORNING. CHANCE OF THUNDERSTORMS THROUGH AROUND
MIDNIGHT. SHOWERS LIKELY THROUGH THE NIGHT. WAVES 4 TO 6 FEET.
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR SUNDAY THROUGH TUESDAY.
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