574
FZUS53 KDLH 301117
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
517 AM CST TUE DEC 30 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.
LSZ140-301700-
GRAND PORTAGE TO GRAND MARAIS MN-
517 AM CST TUE DEC 30 2025
...GALE WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY
MORNING...
TODAY
NORTHWEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF SNOW
EARLY IN THE MORNING, THEN CHANCE OF SNOW IN THE LATE MORNING AND
EARLY AFTERNOON. SNOW LIKELY LATE IN THE AFTERNOON. WAVES 1 FOOT
OR LESS.
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS AFTER MIDNIGHT. CHANCE OF SNOW IN THE
EVENING. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS LATE IN THE MORNING, THEN DECREASING TO
30 KNOTS EARLY IN THE AFTERNOON INCREASING TO 35 KNOTS LATE IN
THE AFTERNOON. SUNNY. WAVES 2 TO 4 FEET. A GALE WARNING MAY BE
NEEDED.
WEDNESDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
35 KNOTS DECREASING TO 30 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR.
WAVES 2 TO 4 FEET. A GALE WARNING MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-301700-
GRAND MARAIS TO TACONITE HARBOR MN-
517 AM CST TUE DEC 30 2025
...GALE WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY
MORNING...
TODAY
NORTHWEST WIND 5 TO 10 KNOTS. CHANCE OF SNOW UNTIL LATE
AFTERNOON. SNOW LIKELY LATE IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
SLIGHT CHANCE OF SNOW IN THE EVENING. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS IN THE LATE MORNING AND AFTERNOON. SUNNY.
WAVES 1 TO 2 FEET. A GALE WARNING MAY BE NEEDED.
WEDNESDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
35 KNOTS DECREASING TO 30 KNOTS IN THE LATE EVENING AND
OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET. A GALE WARNING MAY BE
NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-301700-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
517 AM CST TUE DEC 30 2025
TODAY
WEST WIND 5 KNOTS. CHANCE OF SNOW IN THE MORNING, THEN
SNOW LIKELY IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF SNOW IN THE
EVENING. WAVES 1 FOOT OR LESS.
WEDNESDAY
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. SUNNY.
WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 25 KNOTS IN THE LATE EVENING AND
OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-301700-
SILVER BAY HARBOR TO TWO HARBORS MN-
517 AM CST TUE DEC 30 2025
TODAY
WEST WIND 5 TO 10 KNOTS. SNOW LIKELY IN THE MORNING,
THEN CHANCE OF SNOW IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR
LESS.
WEDNESDAY
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. SLIGHT
CHANCE OF SNOW IN THE MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-301700-
TWO HARBORS TO DULUTH MN-
517 AM CST TUE DEC 30 2025
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST LATE IN THE
AFTERNOON. SNOW LIKELY IN THE MORNING, THEN CHANCE OF SNOW IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR
LESS.
WEDNESDAY
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. SLIGHT
CHANCE OF SNOW IN THE MORNING. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS UNTIL EARLY MORNING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-301700-
DULUTH MN TO PORT WING WI-
517 AM CST TUE DEC 30 2025
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST LATE IN THE
AFTERNOON. SNOW LIKELY IN THE MORNING, THEN CHANCE OF SNOW IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF SNOW. WAVES 1 TO
2 FEET.
WEDNESDAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
LATE IN THE AFTERNOON. SLIGHT CHANCE OF SNOW THROUGH THE DAY.
WAVES 1 TO 3 FEET.
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.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-301700-
PORT WING TO SAND ISLAND WI-
517 AM CST TUE DEC 30 2025
TODAY
WEST WIND 5 TO 10 KNOTS. SNOW LIKELY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. CHANCE OF SNOW IN THE
EVENING, THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES 1 TO
2 FEET BUILDING TO 1 TO 3 FEET EARLY IN THE MORNING.
WEDNESDAY
NORTHWEST WIND 15 TO 20 KNOTS EASING TO 10 TO
15 KNOTS IN THE LATE MORNING AND AFTERNOON. GUSTS UP TO 25 KNOTS.
SLIGHT CHANCE OF SNOW. WAVES 1 TO 3 FEET.
WEDNESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. PARTLY CLOUDY. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-301700-
SAND ISLAND TO BAYFIELD WI-
517 AM CST TUE DEC 30 2025
TODAY
WEST WIND 5 TO 10 KNOTS. CHANCE OF SNOW IN THE MORNING.
SNOW LIKELY EARLY IN THE AFTERNOON, THEN SNOW LATE IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. CHANCE OF SNOW IN THE
EVENING, THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES 1 TO
3 FEET.
WEDNESDAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF SNOW IN THE MORNING, THEN SLIGHT CHANCE OF
SNOW IN THE AFTERNOON. WAVES 2 TO 4 FEET.
WEDNESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 25 KNOTS IN THE LATE EVENING AND
OVERNIGHT. PARTLY CLOUDY. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-301700-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
517 AM CST TUE DEC 30 2025
TODAY
WEST WIND 5 TO 10 KNOTS. CHANCE OF SNOW IN THE MORNING.
SNOW LIKELY IN THE AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS.
CHANCE OF SNOW AND LIGHT FREEZING RAIN THROUGH THE NIGHT. WAVES
1 TO 3 FEET BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
WEDNESDAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF SNOW IN THE MORNING, THEN SLIGHT CHANCE OF
SNOW IN THE AFTERNOON. WAVES 3 TO 5 FEET. A SMALL CRAFT ADVISORY
MAY BE NEEDED.
WEDNESDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. PARTLY CLOUDY. WAVES 3 TO 5 FEET. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ121-301700-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
517 AM CST TUE DEC 30 2025
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. CHANCE OF SNOW IN THE
MORNING. SNOW LIKELY EARLY IN THE AFTERNOON, THEN SNOW LATE IN
THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
AFTER MIDNIGHT. CHANCE OF SNOW. WAVES 1 FOOT OR LESS.
WEDNESDAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF SNOW IN THE MORNING, THEN SLIGHT CHANCE OF
SNOW IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-301700-
OAK POINT TO SAXON HARBOR WI-
517 AM CST TUE DEC 30 2025
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. CHANCE OF SNOW IN THE
MORNING. SNOW LIKELY EARLY IN THE AFTERNOON, THEN SNOW LATE IN
THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS.
CHANCE OF SNOW. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET EARLY
IN THE MORNING.
WEDNESDAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF SNOW IN THE MORNING, THEN SLIGHT CHANCE OF
SNOW IN THE AFTERNOON. WAVES 2 TO 4 FEET.
WEDNESDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS IN THE LATE EVENING AND
OVERNIGHT. PARTLY CLOUDY. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page