478
FZUS53 KDLH 151558
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1058 AM CDT TUE SEP 15 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.
LSZ140-152200-
GRAND PORTAGE TO GRAND MARAIS MN-
1058 AM CDT TUE SEP 15 2026
..GALE WARNING IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON
REST OF TODAY
WEST WIND UP TO 30 KNOTS. GUSTS UP TO 35 KNOTS
INCREASING TO 40 KNOTS EARLY IN THE AFTERNOON, THEN DECREASING TO
35 KNOTS LATE. CHANCE OF SPRINKLES LATE IN THE MORNING. WAVES
6 TO 9 FEET. WAVES OCCASIONALLY TO 12 FEET.
TONIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS
BECOMING NORTHWEST 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 3 TO 5 FEET SUBSIDING
TO 1 TO 2 FEET AFTER MIDNIGHT. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
WEDNESDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE
IN THE MORNING, THEN BECOMING SOUTHEAST IN THE AFTERNOON. MOSTLY
SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING WEST
EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ141-152200-
GRAND MARAIS TO TACONITE HARBOR MN-
1058 AM CDT TUE SEP 15 2026
..GALE WARNING IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON
REST OF TODAY
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS IN THE AFTERNOON. CHANCE OF SPRINKLES LATE
IN THE MORNING. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO 9 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 SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING
AND OVERNIGHT.
WEDNESDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHEAST IN THE
AFTERNOON. SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY. WAVES
1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTHWEST
EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ142-152200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1058 AM CDT TUE SEP 15 2026
..GALE WARNING IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON
REST OF TODAY
WEST WIND 20 TO 25 KNOTS EASING TO 10 TO
15 KNOTS LATE. GUSTS UP TO 30 KNOTS INCREASING TO 35 KNOTS EARLY
IN THE AFTERNOON, THEN DECREASING TO 30 KNOTS LATE. MOSTLY SUNNY.
WAVES 3 TO 5 FEET.
TONIGHT
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHWEST EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
WEDNESDAY
NORTH WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHEAST 5 KNOTS IN THE
AFTERNOON. SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY. WAVES
1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ143-152200-
SILVER BAY HARBOR TO TWO HARBORS MN-
1058 AM CDT TUE SEP 15 2026
..GALE WARNING IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON
REST OF TODAY
WEST WIND 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS EASING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 30 KNOTS
LATE. MOSTLY SUNNY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET
LATE. WAVES OCCASIONALLY TO 7 FEET.
TONIGHT
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHWEST EARLY IN THE MORNING. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
WEDNESDAY
NORTH WIND 5 KNOTS BECOMING EAST IN THE LATE MORNING
AND AFTERNOON. SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY.
WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS UNTIL EARLY
MORNING BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ144-152200-
TWO HARBORS TO DULUTH MN-
1058 AM CDT TUE SEP 15 2026
..GALE WARNING IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON
REST OF TODAY
WEST WIND 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS EASING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
LATE. MOSTLY SUNNY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET
LATE. WAVES OCCASIONALLY TO 7 FEET.
TONIGHT
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHWEST AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
WEDNESDAY
NORTH WIND 5 KNOTS BECOMING EAST IN THE LATE MORNING
AND AFTERNOON. SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY.
WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ145-152200-
DULUTH MN TO PORT WING WI-
1058 AM CDT TUE SEP 15 2026
..GALE WARNING IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON
REST OF TODAY
WEST WIND UP TO 30 KNOTS WITH GALES TO AROUND
35 KNOTS EASING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS
LATE. MOSTLY SUNNY. WAVES 4 TO 6 FEET SUBSIDING TO 2 TO 4 FEET
LATE. WAVES OCCASIONALLY TO 8 FEET.
TONIGHT
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHWEST EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
WEDNESDAY
NORTH WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
MORNING AND AFTERNOON. SUNNY IN THE MORNING THEN BECOMING PARTLY
SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ146-152200-
PORT WING TO SAND ISLAND WI-
1058 AM CDT TUE SEP 15 2026
..GALE WARNING IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON
REST OF TODAY
WEST WIND UP TO 30 KNOTS EASING TO 15 TO
20 KNOTS LATE. GALES UP TO 40 KNOTS DECREASING TO 30 KNOTS LATE.
SUNNY. WAVES 5 TO 8 FEET SUBSIDING TO 3 TO 5 FEET LATE. WAVES
OCCASIONALLY TO 10 FEET.
TONIGHT
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHWEST EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 TO
3 FEET.
WEDNESDAY
NORTH WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
MORNING AND AFTERNOON. SUNNY IN THE MORNING THEN BECOMING PARTLY
SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 TO 10 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS.
LSZ147-152200-
SAND ISLAND TO BAYFIELD WI-
1058 AM CDT TUE SEP 15 2026
..GALE WARNING IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON
REST OF TODAY
WEST WIND UP TO 30 KNOTS WITH GALES TO AROUND
40 KNOTS EASING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS
LATE. CHANCE OF SPRINKLES LATE IN THE MORNING. WAVES 5 TO 8 FEET
SUBSIDING TO 3 TO 5 FEET LATE. WAVES OCCASIONALLY TO 10 FEET.
TONIGHT
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHWEST EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 TO
3 FEET.
WEDNESDAY
NORTH WIND 5 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 TO 10 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS.
LSZ150-152200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1058 AM CDT TUE SEP 15 2026
..GALE WARNING IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON
REST OF TODAY
WEST WIND UP TO 30 KNOTS. GALES UP TO 40 KNOTS
DECREASING TO 35 KNOTS LATE. CHANCE OF SPRINKLES LATE IN THE
MORNING. WAVES 5 TO 8 FEET. WAVES OCCASIONALLY TO 11 FEET.
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHWEST 5 TO 10 KNOTS EARLY IN THE MORNING. MOSTLY
CLEAR. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE
EVENING AND OVERNIGHT.
WEDNESDAY
NORTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST
EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ121-152200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1058 AM CDT TUE SEP 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON
REST OF TODAY
WEST WIND 10 TO 15 KNOTS WITH GALES TO AROUND
35 KNOTS RISING TO 20 TO 25 KNOTS WITH GALES TO AROUND 35 KNOTS
IN THE AFTERNOON. CHANCE OF SPRINKLES LATE IN THE MORNING. WAVES
1 TO 2 FEET.
TONIGHT
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHWEST EARLY IN THE MORNING. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
WEDNESDAY
NORTHWEST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTHEAST 5 TO 10 KNOTS
IN THE AFTERNOON. SUNNY IN THE MORNING THEN BECOMING PARTLY
SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH AFTER
MIDNIGHT, THEN BECOMING VARIABLE 10 KNOTS OR LESS EARLY IN THE
MORNING. SLIGHT CHANCE OF RAIN SHOWERS. WAVES 1 FOOT OR LESS.
LSZ148-152200-
OAK POINT TO SAXON HARBOR WI-
1058 AM CDT TUE SEP 15 2026
..GALE WARNING IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON
REST OF TODAY
WEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS EARLY IN THE AFTERNOON, THEN DECREASING TO
30 KNOTS LATE. SUNNY. WAVES 2 TO 4 FEET.
TONIGHT
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHWEST EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
WEDNESDAY
NORTHWEST WIND 5 KNOTS BECOMING NORTHEAST LATE IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES
1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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