482
FZUS53 KDLH 132355
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
655 PM CDT SUN SEP 13 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR.
WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.
LSZ140-141000-
GRAND PORTAGE TO GRAND MARAIS MN-
655 PM CDT SUN SEP 13 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
...GALE WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY
AFTERNOON...
REST OF TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 1 TO 2 FEET.
MONDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS IN THE LATE MORNING AND EARLY
AFTERNOON, THEN BECOMING SOUTHEAST WITH GUSTS TO AROUND 20 KNOTS
LATE IN THE AFTERNOON. SUNNY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
SOUTH WIND 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS BECOMING SOUTHWEST WITH GALES TO AROUND 35 KNOTS EARLY
IN THE MORNING. RAIN SHOWERS IN THE EVENING, THEN RAIN SHOWERS
LIKELY AFTER MIDNIGHT. WAVES 2 TO 4 FEET BUILDING TO 4 TO 7 FEET
IN THE LATE EVENING AND OVERNIGHT. WAVES OCCASIONALLY TO 9 FEET.
A GALE WARNING MAY BE NEEDED.
TUESDAY
WEST WIND UP TO 30 KNOTS. GALES UP TO 40 KNOTS
DECREASING TO 35 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES
6 TO 9 FEET SUBSIDING TO 4 TO 7 FEET LATE IN THE AFTERNOON. WAVES
OCCASIONALLY TO 12 FEET. A GALE WARNING MAY BE NEEDED.
LSZ141-141000-
GRAND MARAIS TO TACONITE HARBOR MN-
655 PM CDT SUN SEP 13 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
AFTERNOON...
REST OF TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTH TOWARD
DAYBREAK. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST
10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE LATE MORNING
AND AFTERNOON. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
MONDAY NIGHT
SOUTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 30 KNOTS EARLY
IN THE MORNING. RAIN SHOWERS IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET
IN THE LATE EVENING AND OVERNIGHT. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
TUESDAY
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES
4 TO 7 FEET. WAVES OCCASIONALLY TO 9 FEET. A GALE WARNING MAY BE
NEEDED.
LSZ142-141000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
655 PM CDT SUN SEP 13 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
AFTERNOON...
REST OF TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTHEAST
TOWARD DAYBREAK. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST 5 TO
10 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE LATE MORNING AND
AFTERNOON. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 30 KNOTS
AFTER MIDNIGHT. RAIN SHOWERS IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
TUESDAY
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES
2 TO 4 FEET. A GALE WARNING MAY BE NEEDED.
LSZ143-141000-
SILVER BAY HARBOR TO TWO HARBORS MN-
655 PM CDT SUN SEP 13 2026
...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
AFTERNOON...
REST OF TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTH AFTER
MIDNIGHT, THEN BECOMING VARIABLE 10 KNOTS OR LESS TOWARD
DAYBREAK. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
MORNING, THEN RISING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS IN THE AFTERNOON. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
30 KNOTS AFTER MIDNIGHT. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
TUESDAY
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES
3 TO 5 FEET. A GALE WARNING MAY BE NEEDED.
LSZ144-141000-
TWO HARBORS TO DULUTH MN-
655 PM CDT SUN SEP 13 2026
...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
AFTERNOON...
REST OF TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING
NORTHEAST TOWARD DAYBREAK. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
MONDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS BECOMING SOUTHWEST 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS AFTER MIDNIGHT. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
TUESDAY
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES
3 TO 5 FEET. A GALE WARNING MAY BE NEEDED.
LSZ145-141000-
DULUTH MN TO PORT WING WI-
655 PM CDT SUN SEP 13 2026
...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
AFTERNOON...
REST OF TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING EAST
AFTER MIDNIGHT, THEN BECOMING SOUTHEAST TOWARD DAYBREAK. MOSTLY
CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS AFTER MIDNIGHT. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
TUESDAY
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES
4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET. A GALE WARNING MAY BE
NEEDED.
LSZ146-141000-
PORT WING TO SAND ISLAND WI-
655 PM CDT SUN SEP 13 2026
...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
AFTERNOON...
REST OF TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING
NORTHEAST AFTER MIDNIGHT, THEN BECOMING SOUTHEAST TOWARD
DAYBREAK. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
SOUTH WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE IN
THE AFTERNOON. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS AFTER MIDNIGHT. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
TUESDAY
WEST WIND 20 TO 25 KNOTS. GALES UP TO 40 KNOTS
DECREASING TO 30 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES
4 TO 7 FEET SUBSIDING TO 3 TO 5 FEET LATE IN THE AFTERNOON. WAVES
OCCASIONALLY TO 9 FEET. A GALE WARNING MAY BE NEEDED.
LSZ147-141000-
SAND ISLAND TO BAYFIELD WI-
655 PM CDT SUN SEP 13 2026
...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
AFTERNOON...
REST OF TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH
AFTER MIDNIGHT, THEN BECOMING SOUTH TOWARD DAYBREAK. MOSTLY
CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
SOUTH WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE
AFTERNOON. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 30 KNOTS AFTER
MIDNIGHT. RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO
3 FEET.
TUESDAY
WEST WIND 20 TO 25 KNOTS. GALES UP TO 40 KNOTS
DECREASING TO 30 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 4 TO
7 FEET SUBSIDING TO 3 TO 5 FEET LATE IN THE AFTERNOON. WAVES
OCCASIONALLY TO 9 FEET. A GALE WARNING MAY BE NEEDED.
LSZ150-141000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
655 PM CDT SUN SEP 13 2026
...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
AFTERNOON...
REST OF TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTH
TOWARD DAYBREAK. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
MONDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTHWEST 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS AFTER MIDNIGHT. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET AFTER
MIDNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.
TUESDAY
WEST WIND UP TO 30 KNOTS EASING TO 15 TO 20 KNOTS LATE
IN THE AFTERNOON. GALES UP TO 40 KNOTS DECREASING TO 35 KNOTS
LATE IN THE AFTERNOON. SUNNY. WAVES 5 TO 8 FEET. WAVES
OCCASIONALLY TO 10 FEET. A GALE WARNING MAY BE NEEDED.
LSZ121-141000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
655 PM CDT SUN SEP 13 2026
REST OF TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING
SOUTHWEST TOWARD DAYBREAK. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS BECOMING SOUTHWEST
AFTER MIDNIGHT. GUSTS UP TO 25 KNOTS. RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
TUESDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS. SUNNY.
WAVES 1 TO 2 FEET.
LSZ148-141000-
OAK POINT TO SAXON HARBOR WI-
655 PM CDT SUN SEP 13 2026
...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
AFTERNOON...
REST OF TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING SOUTH TOWARD
DAYBREAK. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTHWEST 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS AFTER MIDNIGHT. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
TUESDAY
WEST WIND 20 TO 25 KNOTS WITH GALES TO AROUND 35 KNOTS
EASING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS LATE IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET BUILDING TO 2 TO
4 FEET IN THE LATE MORNING AND AFTERNOON. A GALE WARNING MAY BE
NEEDED.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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