387
FZUS53 KDLH 091633
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1033 AM CST TUE DEC 9 2025
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.
LSZ140-092300-
GRAND PORTAGE TO GRAND MARAIS MN-
1033 AM CST TUE DEC 9 2025
...GALE WARNING IN EFFECT FROM 10 PM CST THIS EVENING THROUGH
WEDNESDAY MORNING...
REST OF TODAY
NORTH WIND 5 TO 10 KNOTS BECOMING WEST EARLY IN
THE AFTERNOON, THEN BECOMING NORTH LATE. SLIGHT CHANCE OF SNOW
LATE. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS BECOMING NORTH WITH GALES TO AROUND 35 KNOTS EARLY IN
THE MORNING. CHANCE OF SNOW IN THE EVENING, THEN SLIGHT CHANCE OF
SNOW AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 3 TO 5 FEET IN
THE LATE EVENING AND OVERNIGHT. WAVES OCCASIONALLY TO 7 FEET.
WEDNESDAY
NORTH WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. SUNNY.
WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET IN THE AFTERNOON.
WEDNESDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS EARLY IN THE MORNING. PARTLY
CLOUDY. WAVES 1 TO 3 FEET.
LSZ141-092300-
GRAND MARAIS TO TACONITE HARBOR MN-
1033 AM CST TUE DEC 9 2025
...GALE WARNING IN EFFECT FROM 10 PM CST THIS EVENING THROUGH
WEDNESDAY MORNING...
REST OF TODAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST EARLY
IN THE AFTERNOON, THEN BECOMING SOUTHEAST LATE. CHANCE OF SNOW
LATE. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS
BECOMING NORTH WITH GALES TO AROUND 35 KNOTS AFTER MIDNIGHT.
CHANCE OF SNOW THROUGH THE NIGHT. WAVES 1 TO 2 FEET BUILDING TO
2 TO 4 FEET IN THE LATE EVENING AND OVERNIGHT.
WEDNESDAY
NORTH WIND 10 TO 15 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. SUNNY.
WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE MORNING
AND AFTERNOON.
WEDNESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. PARTLY
CLOUDY. WAVES 1 FOOT OR LESS.
LSZ142-092300-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1033 AM CST TUE DEC 9 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CST THIS EVENING
THROUGH WEDNESDAY MORNING...
REST OF TODAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST EARLY
IN THE AFTERNOON, THEN BECOMING SOUTHEAST LATE. CHANCE OF SNOW
LATE. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS
BECOMING NORTH 20 TO 25 KNOTS WITH GALES TO AROUND 35 KNOTS AFTER
MIDNIGHT. SNOW LIKELY IN THE EVENING, THEN CHANCE OF SNOW AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS BUILDING TO 3 TO 5 FEET IN THE
LATE EVENING AND OVERNIGHT. A GALE WARNING MAY BE NEEDED.
WEDNESDAY
NORTH WIND 10 TO 15 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. SUNNY.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE AFTERNOON. A
GALE WARNING MAY BE NEEDED.
WEDNESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
25 KNOTS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ143-092300-
SILVER BAY HARBOR TO TWO HARBORS MN-
1033 AM CST TUE DEC 9 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CST THIS EVENING
THROUGH WEDNESDAY MORNING...
REST OF TODAY
NORTH WIND 5 KNOTS BECOMING SOUTHWEST EARLY IN
THE AFTERNOON, THEN BECOMING SOUTHEAST LATE. CHANCE OF SNOW LATE.
WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHEAST 20 TO 25 KNOTS IN THE LATE EVENING AND EARLY
MORNING, THEN BECOMING NORTH 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EARLY IN THE MORNING. SNOW LIKELY IN THE EVENING, THEN
CHANCE OF SNOW AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 3 TO
5 FEET IN THE LATE EVENING AND OVERNIGHT. WAVES OCCASIONALLY TO
7 FEET.
WEDNESDAY
NORTH WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS IN THE LATE MORNING AND AFTERNOON. SUNNY.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE AFTERNOON.
WEDNESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS IN THE EVENING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ144-092300-
TWO HARBORS TO DULUTH MN-
1033 AM CST TUE DEC 9 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CST THIS EVENING
THROUGH WEDNESDAY MORNING...
REST OF TODAY
WEST WIND 5 KNOTS BECOMING SOUTHEAST LATE.
SLIGHT CHANCE OF SNOW EARLY IN THE AFTERNOON. CHANCE OF SNOW
LATE. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHEAST 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS
IN THE LATE EVENING AND EARLY MORNING, THEN BECOMING NORTH 15 TO
20 KNOTS WITH GUSTS TO AROUND 25 KNOTS EARLY IN THE MORNING. SNOW
IN THE EVENING, THEN SNOW LIKELY AFTER MIDNIGHT. WAVES 1 TO
2 FEET BUILDING TO 4 TO 6 FEET IN THE LATE EVENING AND OVERNIGHT.
WAVES OCCASIONALLY TO 7 FEET.
WEDNESDAY
NORTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTHWEST 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET IN THE AFTERNOON.
WEDNESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. PARTLY
CLOUDY. WAVES 1 TO 2 FEET.
LSZ145-092300-
DULUTH MN TO PORT WING WI-
1033 AM CST TUE DEC 9 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CST THIS EVENING
THROUGH WEDNESDAY MORNING...
REST OF TODAY
WEST WIND 5 KNOTS BECOMING SOUTHEAST LATE.
SLIGHT CHANCE OF SNOW EARLY IN THE AFTERNOON. CHANCE OF SNOW
LATE. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHEAST 20 TO 25 KNOTS IN THE LATE EVENING AND EARLY
MORNING, THEN BECOMING NORTH EARLY IN THE MORNING. SNOW IN THE
EVENING, THEN SNOW LIKELY AFTER MIDNIGHT. WAVES 1 TO 2 FEET
BUILDING TO 4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET.
WEDNESDAY
NORTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTHWEST 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS EARLY IN THE AFTERNOON, THEN RISING TO 10 TO 15 KNOTS
LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 3 TO 5 FEET SUBSIDING
TO 1 TO 2 FEET. WAVES OCCASIONALLY TO 7 FEET.
WEDNESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
LSZ146-092300-
PORT WING TO SAND ISLAND WI-
1033 AM CST TUE DEC 9 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CST THIS EVENING
THROUGH WEDNESDAY MORNING...
REST OF TODAY
WEST WIND 5 KNOTS BECOMING SOUTHEAST LATE.
CHANCE OF SNOW LATE. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
BECOMING NORTHEAST 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS
AFTER MIDNIGHT. SNOW LIKELY IN THE EVENING, THEN SNOW AFTER
MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 4 TO 6 FEET. WAVES
OCCASIONALLY TO 8 FEET.
WEDNESDAY
NORTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTHWEST 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF SNOW IN THE MORNING.
WAVES 4 TO 6 FEET SUBSIDING TO 1 TO 2 FEET. WAVES OCCASIONALLY TO
8 FEET.
WEDNESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN
THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ147-092300-
SAND ISLAND TO BAYFIELD WI-
1033 AM CST TUE DEC 9 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CST THIS EVENING
THROUGH WEDNESDAY MORNING...
REST OF TODAY
WEST WIND 5 KNOTS BECOMING SOUTHEAST LATE.
CHANCE OF SNOW LATE. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
BECOMING NORTHEAST 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS
AFTER MIDNIGHT. SNOW LIKELY IN THE EVENING, THEN SNOW AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS BUILDING TO 4 TO 6 FEET. WAVES
OCCASIONALLY TO 8 FEET.
WEDNESDAY
NORTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING NORTHWEST 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF SNOW IN THE MORNING.
WAVES 4 TO 6 FEET SUBSIDING TO 1 TO 3 FEET. WAVES OCCASIONALLY TO
8 FEET.
WEDNESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS IN THE EVENING. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ150-092300-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1033 AM CST TUE DEC 9 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CST THIS EVENING
THROUGH WEDNESDAY MORNING...
REST OF TODAY
WEST WIND 5 KNOTS BECOMING SOUTH LATE. CHANCE OF
SNOW LATE. WAVES 1 TO 2 FEET.
TONIGHT
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
BECOMING NORTHEAST 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS
AFTER MIDNIGHT. SNOW LIKELY. WAVES 1 FOOT OR LESS BUILDING TO
6 TO 9 FEET. WAVES OCCASIONALLY TO 11 FEET.
WEDNESDAY
NORTH WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING NORTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS IN THE AFTERNOON. FREEZING SPRAY IN THE MORNING. SLIGHT
CHANCE OF SNOW IN THE MORNING. WAVES 6 TO 9 FEET SUBSIDING TO
4 TO 6 FEET IN THE AFTERNOON. WAVES OCCASIONALLY TO 11 FEET.
WEDNESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE EVENING. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
LSZ121-092300-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1033 AM CST TUE DEC 9 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CST THIS EVENING
THROUGH WEDNESDAY MORNING...
REST OF TODAY
WEST WIND 5 KNOTS BECOMING SOUTHEAST LATE.
CHANCE OF SNOW LATE. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHEAST 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS
AFTER MIDNIGHT. SNOW LIKELY IN THE EVENING, THEN SNOW AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
WEDNESDAY
NORTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING NORTHWEST 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS IN THE AFTERNOON. CHANCE OF SNOW IN THE MORNING. WAVES
1 TO 3 FEET.
WEDNESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN
THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ148-092300-
OAK POINT TO SAXON HARBOR WI-
1033 AM CST TUE DEC 9 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CST THIS EVENING
THROUGH WEDNESDAY MORNING...
REST OF TODAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTHEAST LATE.
CHANCE OF SNOW LATE. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS RISING TO 20 TO 25 KNOTS WITH
GUSTS TO AROUND 30 KNOTS IN THE LATE EVENING AND EARLY MORNING,
THEN BECOMING NORTHEAST WITH GUSTS TO AROUND 30 KNOTS EARLY IN
THE MORNING. SNOW. WAVES 1 TO 3 FEET BUILDING TO 5 TO 8 FEET.
WAVES OCCASIONALLY TO 10 FEET.
WEDNESDAY
NORTH WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING NORTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS IN THE AFTERNOON. CHANCE OF SNOW IN THE MORNING. WAVES
5 TO 8 FEET SUBSIDING TO 4 TO 6 FEET IN THE AFTERNOON. WAVES
OCCASIONALLY TO 11 FEET.
WEDNESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING
AND OVERNIGHT.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page