488
FZUS53 KMKX 220410
NSHMKX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1110 PM CDT MON SEP 21 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ643-221000-
SHEBOYGAN TO PORT WASHINGTON WI-
1110 PM CDT MON SEP 21 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF TONIGHT
EAST WIND 15 TO 25 KNOTS EASING TO 10 TO
20 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES 5 TO 7 FEET.
TUESDAY
EAST WIND 10 TO 20 KNOTS BACKING NORTHEAST 15 TO
20 KNOTS IN THE AFTERNOON. PARTLY SUNNY. WAVES 4 TO 6 FEET.
TUESDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS VEERING EAST 15 TO
25 KNOTS LATE IN THE EVENING, THEN EASING TO 10 TO 20 KNOTS AFTER
MIDNIGHT BECOMING EAST 10 TO 20 KNOTS EARLY IN THE MORNING.
PARTLY CLOUDY. WAVES 4 TO 6 FEET BUILDING TO 5 TO 7 FEET IN THE
LATE EVENING AND EARLY MORNING, THEN SUBSIDING TO 4 TO 6 FEET
EARLY IN THE MORNING.
WEDNESDAY
EAST WIND 15 TO 20 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE AFTERNOON,
THEN BECOMING NORTHEAST 10 TO 15 KNOTS LATE IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 4 TO 6 FEET SUBSIDING TO 3 TO 4 FEET IN THE
AFTERNOON.
LMZ644-221000-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
1110 PM CDT MON SEP 21 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF TONIGHT
EAST WIND 15 TO 25 KNOTS EASING TO 10 TO
20 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES 6 TO 8 FEET SUBSIDING TO 5 TO 7 FEET EARLY IN THE
MORNING.
TUESDAY
EAST WIND 15 TO 25 KNOTS BECOMING NORTHEAST 10 TO
20 KNOTS EARLY IN THE AFTERNOON, THEN BECOMING 15 TO 20 KNOTS
LATE IN THE AFTERNOON. MOSTLY CLOUDY. WAVES 5 TO 7 FEET SUBSIDING
TO 4 TO 6 FEET LATE IN THE AFTERNOON.
TUESDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS VEERING EAST 15 TO
25 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN EASING TO
10 TO 20 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 4 TO
6 FEET BUILDING TO 5 TO 7 FEET LATE IN THE EVENING, THEN BUILDING
TO 6 TO 8 FEET AFTER MIDNIGHT SUBSIDING TO 5 TO 7 FEET EARLY IN
THE MORNING.
WEDNESDAY
EAST WIND 10 TO 20 KNOTS BECOMING 15 TO 20 KNOTS
LATE IN THE MORNING, THEN BACKING NORTHEAST EARLY IN THE
AFTERNOON EASING TO 10 TO 15 KNOTS LATE IN THE AFTERNOON. PARTLY
SUNNY. WAVES 5 TO 7 FEET SUBSIDING TO 3 TO 4 FEET.
LMZ645-221000-
NORTH POINT LIGHT TO WIND POINT WI-
1110 PM CDT MON SEP 21 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF TONIGHT
EAST WIND 15 TO 25 KNOTS BECOMING NORTHEAST
10 TO 20 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS
AFTER MIDNIGHT. WAVES 6 TO 8 FEET SUBSIDING TO 5 TO 7 FEET EARLY
IN THE MORNING.
TUESDAY
EAST WIND 15 TO 25 KNOTS BACKING NORTHEAST EARLY IN
THE AFTERNOON, THEN BECOMING 15 TO 20 KNOTS LATE IN THE
AFTERNOON. MOSTLY CLOUDY. WAVES 5 TO 7 FEET.
TUESDAY NIGHT
NORTHEAST WIND 15 TO 25 KNOTS VEERING EAST IN
THE LATE EVENING AND EARLY MORNING, THEN EASING TO 10 TO 20 KNOTS
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 5 TO 7 FEET BUILDING
TO 6 TO 8 FEET IN THE LATE EVENING AND OVERNIGHT.
WEDNESDAY
EAST WIND 10 TO 20 KNOTS BACKING NORTHEAST 15 TO
20 KNOTS IN THE AFTERNOON. PARTLY SUNNY. WAVES 5 TO 7 FEET
SUBSIDING TO 4 TO 6 FEET LATE IN THE AFTERNOON.
LMZ646-221000-
WIND POINT WI TO WINTHROP HARBOR IL-
1110 PM CDT MON SEP 21 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
REST OF TONIGHT
EAST WIND 15 TO 25 KNOTS. SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT. WAVES 6 TO 8 FEET SUBSIDING TO 5 TO
7 FEET EARLY IN THE MORNING.
TUESDAY
EAST WIND 15 TO 25 KNOTS BACKING NORTHEAST EARLY IN
THE AFTERNOON, THEN EASING TO 10 TO 20 KNOTS LATE IN THE
AFTERNOON. MOSTLY CLOUDY. WAVES 5 TO 7 FEET.
TUESDAY NIGHT
NORTHEAST WIND 15 TO 25 KNOTS VEERING EAST IN
THE LATE EVENING AND EARLY MORNING, THEN EASING TO 10 TO 20 KNOTS
EARLY IN THE MORNING. PARTLY CLOUDY THROUGH AROUND MIDNIGHT THEN
BECOMING MOSTLY CLOUDY. WAVES 5 TO 7 FEET BUILDING TO 6 TO 8 FEET
IN THE LATE EVENING AND EARLY MORNING, THEN SUBSIDING TO 5 TO
7 FEET EARLY IN THE MORNING.
WEDNESDAY
EAST WIND 10 TO 20 KNOTS BACKING NORTHEAST EARLY IN
THE AFTERNOON, THEN BECOMING 15 TO 20 KNOTS LATE IN THE
AFTERNOON. MOSTLY CLOUDY. WAVES 5 TO 7 FEET SUBSIDING TO 4 TO
6 FEET LATE IN THE AFTERNOON.
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR THURSDAY THROUGH SATURDAY.
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