605
FZUS53 KDLH 130623
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
122 AM 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.
LSZ140-131600-
GRAND PORTAGE TO GRAND MARAIS MN-
122 AM CDT SUN SEP 13 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS
MORNING...
TODAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
MOSTLY CLOUDY EARLY IN THE MORNING THEN CLEARING. WAVES 1 TO
2 FEET.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR.
WAVES 1 TO 2 FEET.
MONDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTH 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS IN THE LATE MORNING AND 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. WAVES 2 TO 4 FEET BUILDING TO 5 TO
8 FEET IN THE LATE EVENING AND OVERNIGHT. WAVES OCCASIONALLY TO
10 FEET. A GALE WARNING MAY BE NEEDED.
LSZ141-131600-
GRAND MARAIS TO TACONITE HARBOR MN-
122 AM CDT SUN SEP 13 2026
TODAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
MOSTLY CLOUDY EARLY IN THE MORNING THEN CLEARING. WAVES 1 TO
2 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
MONDAY
NORTH WIND 5 KNOTS BECOMING SOUTHEAST 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS IN THE LATE MORNING AND AFTERNOON.
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO
2 FEET.
MONDAY NIGHT
SOUTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 30 KNOTS
AFTER MIDNIGHT. RAIN SHOWERS THROUGH THE NIGHT. WAVES 1 TO 3 FEET
BUILDING TO 2 TO 4 FEET IN THE LATE EVENING AND OVERNIGHT. A
SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ142-131600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
122 AM CDT SUN SEP 13 2026
TODAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
PARTLY SUNNY EARLY IN THE MORNING THEN CLEARING. WAVES 1 FOOT OR
LESS.
TONIGHT
NORTHWEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
MONDAY
NORTH WIND 5 KNOTS BECOMING SOUTHEAST 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS IN THE LATE MORNING AND AFTERNOON.
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS BECOMING SOUTHWEST
15 TO 20 KNOTS AFTER MIDNIGHT. GUSTS UP TO 25 KNOTS. RAIN SHOWERS
THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
LSZ143-131600-
SILVER BAY HARBOR TO TWO HARBORS MN-
122 AM CDT SUN SEP 13 2026
TODAY
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 KNOTS UNTIL EARLY MORNING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE MORNING AND
AFTERNOON. 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 20 KNOTS BECOMING SOUTHWEST 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING. RAIN SHOWERS THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
LSZ144-131600-
TWO HARBORS TO DULUTH MN-
122 AM CDT SUN SEP 13 2026
TODAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
LATE MORNING AND EARLY AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHEAST EARLY
IN THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. RAIN SHOWERS AND 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 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS AFTER MIDNIGHT. CHANCE OF THUNDERSTORMS IN THE
EVENING. RAIN SHOWERS THROUGH THE NIGHT. WAVES 1 TO 3 FEET.
LSZ145-131600-
DULUTH MN TO PORT WING WI-
122 AM CDT SUN SEP 13 2026
TODAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS UNTIL
LATE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. RAIN SHOWERS AND 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. CHANCE OF THUNDERSTORMS IN THE EVENING.
RAIN SHOWERS THROUGH THE NIGHT. WAVES 1 TO 3 FEET.
LSZ146-131600-
PORT WING TO SAND ISLAND WI-
122 AM CDT SUN SEP 13 2026
TODAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
MOSTLY SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH AFTER
MIDNIGHT, THEN BECOMING SOUTH EARLY IN THE MORNING. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
MONDAY
SOUTH WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE IN
THE AFTERNOON. 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. SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING. RAIN SHOWERS THROUGH THE NIGHT. WAVES 1 TO 3 FEET.
LSZ147-131600-
SAND ISLAND TO BAYFIELD WI-
122 AM CDT SUN SEP 13 2026
TODAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
BECOMING NORTHWEST WITH GUSTS TO AROUND 20 KNOTS LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTH EARLY IN
THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
SOUTH WIND 5 TO 10 KNOTS. GUSTS UP TO 25 KNOTS LATE IN
THE AFTERNOON. 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. SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING. RAIN SHOWERS THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
LSZ150-131600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
122 AM CDT SUN SEP 13 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS
MORNING...
TODAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO
3 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING WEST EARLY IN
THE MORNING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
MONDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
MONDAY NIGHT
SOUTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 30 KNOTS AFTER
MIDNIGHT. SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. RAIN
SHOWERS THROUGH THE NIGHT. WAVES 1 TO 3 FEET.
LSZ121-131600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
122 AM CDT SUN SEP 13 2026
TODAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
LATE MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST EARLY
IN THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
SOUTH 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 BECOMING SOUTHWEST
15 TO 20 KNOTS AFTER MIDNIGHT. GUSTS UP TO 25 KNOTS. SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. RAIN SHOWERS THROUGH THE
NIGHT. WAVES 1 TO 2 FEET.
LSZ148-131600-
OAK POINT TO SAXON HARBOR WI-
122 AM CDT SUN SEP 13 2026
TODAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS LATE IN THE MORNING, THEN DECREASING TO
20 KNOTS IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTH EARLY IN
THE MORNING. 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 TO 2 FEET.
MONDAY NIGHT
SOUTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 30 KNOTS AFTER
MIDNIGHT. SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. RAIN
SHOWERS THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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