348
FZUS53 KDLH 091127
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
627 AM CDT WED SEP 9 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.
LSZ140-091600-
GRAND PORTAGE TO GRAND MARAIS MN-
627 AM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING
..GALE WARNING IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
TODAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS IN THE LATE MORNING AND AFTERNOON. CHANCE
OF SPRINKLES LATE IN THE MORNING. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY TO 8 FEET.
TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS. MOSTLY
CLEAR. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE
EVENING AND OVERNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.
THURSDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE AFTERNOON. SUNNY.
WAVES 1 TO 2 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING THEN 20 KNOTS AFTER MIDNIGHT, THEN
INCREASING TO 25 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. WAVES
1 TO 2 FEET BUILDING TO 2 TO 4 FEET EARLY IN THE MORNING.
LSZ141-091600-
GRAND MARAIS TO TACONITE HARBOR MN-
627 AM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS EARLY IN THE AFTERNOON, THEN DECREASING TO
30 KNOTS LATE IN THE AFTERNOON. CHANCE OF SPRINKLES LATE IN THE
MORNING. WAVES 2 TO 4 FEET.
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
BECOMING NORTHWEST 5 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR.
WAVES 1 TO 3 FEET.
THURSDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ142-091600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
627 AM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. CHANCE
OF SPRINKLES LATE IN THE MORNING. WAVES 1 TO 3 FEET SUBSIDING TO
1 TO 2 FEET LATE IN THE AFTERNOON.
TONIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS EARLY IN
THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
THURSDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ143-091600-
SILVER BAY HARBOR TO TWO HARBORS MN-
627 AM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. CHANCE
OF SPRINKLES LATE IN THE MORNING. WAVES 1 TO 3 FEET.
TONIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS EARLY IN
THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES
1 TO 2 FEET.
LSZ144-091600-
TWO HARBORS TO DULUTH MN-
627 AM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. CHANCE
OF SPRINKLES LATE IN THE MORNING. WAVES 1 TO 3 FEET.
TONIGHT
WEST 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.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE
MORNING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ145-091600-
DULUTH MN TO PORT WING WI-
627 AM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS EARLY IN THE AFTERNOON, THEN DECREASING TO
25 KNOTS LATE IN THE AFTERNOON. CHANCE OF SPRINKLES LATE IN THE
MORNING. WAVES 2 TO 4 FEET.
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
EASING TO 5 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 TO
3 FEET.
THURSDAY
SOUTHWEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ146-091600-
PORT WING TO SAND ISLAND WI-
627 AM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS.
CHANCE OF SPRINKLES LATE IN THE MORNING. WAVES 2 TO 4 FEET.
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE
EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
THURSDAY
SOUTHWEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ147-091600-
SAND ISLAND TO BAYFIELD WI-
627 AM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING
..GALE WARNING IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
TODAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN DECREASING TO 30 KNOTS LATE IN THE AFTERNOON. CHANCE OF
SPRINKLES LATE IN THE MORNING. WAVES 2 TO 4 FEET.
TONIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 25 KNOTS. MOSTLY
CLEAR. WAVES 1 TO 3 FEET.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ150-091600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
627 AM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING
..GALE WARNING IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
TODAY
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS IN THE LATE MORNING AND AFTERNOON. SUNNY.
WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 7 FEET.
TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS. MOSTLY
CLEAR. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE
EVENING AND OVERNIGHT.
THURSDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS RISING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ121-091600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
627 AM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING
..GALE WARNING IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
TODAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 30 KNOTS. SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
EASING TO 5 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ148-091600-
OAK POINT TO SAXON HARBOR WI-
627 AM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING
..GALE WARNING IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
TODAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 35 KNOTS. SUNNY. WAVES 1 TO 2 FEET BUILDING TO 2 TO
4 FEET IN THE AFTERNOON.
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 30 KNOTS
EASING TO 5 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 TO
3 FEET.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS RISING TO 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS AFTER MIDNIGHT. MOSTLY
CLEAR. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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