507
FZUS53 KMKX 300810
NSHMKX
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
310 AM CDT WED SEP 30 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ643-302100-
SHEBOYGAN TO PORT WASHINGTON WI-
310 AM CDT WED SEP 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH THIS EVENING...
EARLY THIS MORNING
SOUTH WIND 10 TO 15 KNOTS RISING TO 15 TO
20 KNOTS EARLY IN THE MORNING. SHOWERS LIKELY AND SLIGHT CHANCE
OF THUNDERSTORMS. WAVES 2 TO 4 FEET.
TODAY
SOUTH WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS. SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING, THEN SHOWERS
LIKELY LATE IN THE MORNING. SLIGHT CHANCE OF SHOWERS EARLY IN THE
AFTERNOON. WAVES 3 TO 4 FEET BUILDING TO 3 TO 5 FEET IN THE
AFTERNOON.
TONIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS VEERING SOUTHWEST LATE IN THE EVENING, THEN EASING TO
5 TO 10 KNOTS AFTER MIDNIGHT BECOMING SOUTHWEST 5 TO 10 KNOTS
EARLY IN THE MORNING. CHANCE OF SHOWERS THROUGH THE NIGHT. WAVES
3 TO 5 FEET SUBSIDING TO 1 TO 2 FEET.
THURSDAY
SOUTHWEST WIND 5 TO 10 KNOTS VEERING NORTHWEST LATE
IN THE AFTERNOON. CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS
LIKELY IN THE AFTERNOON. WAVES AROUND 1 FOOT.
THURSDAY NIGHT
NORTH WIND 5 TO 10 KNOTS RISING TO 10 TO
15 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN BECOMING
NORTH 10 TO 15 KNOTS EARLY IN THE MORNING. CHANCE OF SHOWERS
THROUGH THE NIGHT. WAVES AROUND 1 FOOT.
LMZ644-302100-
PORT WASHINGTON TO NORTH POINT LIGHT WI-
310 AM CDT WED SEP 30 2026
EARLY THIS MORNING
SOUTH WIND 10 TO 15 KNOTS. SHOWERS LIKELY.
WAVES 1 TO 3 FEET.
TODAY
SOUTH WIND 10 TO 15 KNOTS RISING TO 15 TO 20 KNOTS LATE
IN THE MORNING, THEN BECOMING SOUTH 15 TO 20 KNOTS EARLY IN THE
AFTERNOON VEERING SOUTHWEST LATE IN THE AFTERNOON. SHOWERS IN THE
MORNING. SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND AFTERNOON.
TONIGHT
SOUTH WIND 10 TO 15 KNOTS VEERING SOUTHWEST LATE IN
THE EVENING, THEN EASING TO 5 TO 10 KNOTS AFTER MIDNIGHT. CHANCE
OF SHOWERS THROUGH AROUND MIDNIGHT, THEN SHOWERS AFTER MIDNIGHT.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING
AND OVERNIGHT.
THURSDAY
SOUTHWEST WIND 5 TO 10 KNOTS VEERING NORTHWEST LATE
IN THE AFTERNOON. SHOWERS. WAVES AROUND 1 FOOT.
THURSDAY NIGHT
NORTH WIND 5 TO 10 KNOTS RISING TO 10 TO
15 KNOTS LATE IN THE EVENING, THEN BECOMING NORTH 10 TO 15 KNOTS
AFTER MIDNIGHT. CHANCE OF SHOWERS THROUGH THE NIGHT. WAVES AROUND
1 FOOT BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT.
LMZ645-302100-
NORTH POINT LIGHT TO WIND POINT WI-
310 AM CDT WED SEP 30 2026
EARLY THIS MORNING
SOUTH WIND 10 TO 15 KNOTS. SHOWERS LIKELY.
WAVES 1 TO 2 FEET.
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING SOUTH 15 TO
20 KNOTS LATE IN THE MORNING, THEN BECOMING SOUTH 15 TO 20 KNOTS
WITH GUSTS TO AROUND 25 KNOTS EARLY IN THE AFTERNOON VEERING
SOUTHWEST LATE IN THE AFTERNOON. SHOWERS IN THE MORNING, THEN
CHANCE OF SHOWERS IN THE AFTERNOON. SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE AFTERNOON. WAVES 1 TO 2 FEET BUILDING
TO 2 TO 4 FEET IN THE LATE MORNING AND AFTERNOON.
TONIGHT
SOUTH WIND 10 TO 15 KNOTS VEERING SOUTHWEST IN THE
LATE EVENING AND EARLY MORNING, THEN EASING TO 5 TO 10 KNOTS
EARLY IN THE MORNING. CHANCE OF SHOWERS THROUGH AROUND MIDNIGHT,
THEN SHOWERS AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
2 FEET IN THE LATE EVENING AND OVERNIGHT.
THURSDAY
SOUTHWEST WIND 5 TO 10 KNOTS VEERING NORTHWEST LATE
IN THE AFTERNOON. SHOWERS. WAVES AROUND 1 FOOT.
THURSDAY NIGHT
NORTH WIND 10 TO 15 KNOTS RISING TO 15 TO
20 KNOTS AFTER MIDNIGHT. RAIN SHOWERS THROUGH AROUND MIDNIGHT,
THEN CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES AROUND 1 FOOT
BUILDING TO 3 TO 4 FEET AFTER MIDNIGHT.
LMZ646-302100-
WIND POINT WI TO WINTHROP HARBOR IL-
310 AM CDT WED SEP 30 2026
EARLY THIS MORNING
SOUTH WIND 10 TO 15 KNOTS. CLOUDY WITH A
50 PERCENT CHANCE OF SHOWERS. WAVES 1 TO 2 FEET.
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING SOUTH 15 TO
20 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN VEERING
SOUTHWEST LATE IN THE AFTERNOON. SHOWERS IN THE MORNING, THEN
CHANCE OF SHOWERS IN THE AFTERNOON. SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE AFTERNOON. WAVES 1 TO 2 FEET BUILDING
TO 2 TO 4 FEET IN THE LATE MORNING AND AFTERNOON.
TONIGHT
SOUTH WIND 10 TO 15 KNOTS VEERING SOUTHWEST IN THE
LATE EVENING AND EARLY MORNING, THEN EASING TO 5 TO 10 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH
AROUND MIDNIGHT. SHOWERS LIKELY THROUGH THE NIGHT. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING AND
OVERNIGHT.
THURSDAY
SOUTHWEST WIND 5 TO 10 KNOTS VEERING WEST EARLY IN
THE AFTERNOON, THEN VEERING NORTH LATE IN THE AFTERNOON. SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES AROUND 1 FOOT.
THURSDAY NIGHT
NORTH WIND 10 TO 15 KNOTS BECOMING 10 TO
20 KNOTS AFTER MIDNIGHT, THEN BECOMING 15 TO 20 KNOTS EARLY IN
THE MORNING. RAIN SHOWERS THROUGH AROUND MIDNIGHT, THEN CHANCE OF
SHOWERS AFTER MIDNIGHT. WAVES AROUND 1 FOOT BUILDING TO 3 TO
4 FEET AFTER MIDNIGHT.
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR FRIDAY THROUGH SUNDAY.
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