507
FZUS53 KDLH 312214
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
413 PM CST WED DEC 31 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.
LSZ140-010500-
GRAND PORTAGE TO GRAND MARAIS MN-
413 PM CST WED DEC 31 2025
..GALE WARNING IN EFFECT THROUGH THURSDAY MORNING
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GALES UP TO 45 KNOTS
DECREASING TO 35 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO
3 FEET.
THURSDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS EARLY IN THE AFTERNOON, THEN INCREASING TO
30 KNOTS LATE IN THE AFTERNOON. CHANCE OF FLURRIES IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
THURSDAY NIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
FRIDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS EARLY IN THE AFTERNOON, THEN INCREASING TO
25 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-010500-
GRAND MARAIS TO TACONITE HARBOR MN-
413 PM CST WED DEC 31 2025
..GALE WARNING IN EFFECT THROUGH THURSDAY MORNING
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GALES UP TO 40 KNOTS
DECREASING TO 30 KNOTS. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
THURSDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. CHANCE
OF FLURRIES IN THE AFTERNOON. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
FRIDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
SUNNY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-010500-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
413 PM CST WED DEC 31 2025
..GALE WARNING IN EFFECT THROUGH THURSDAY MORNING
TONIGHT
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.
THURSDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS IN THE LATE MORNING AND AFTERNOON. CHANCE
OF FLURRIES THROUGH THE DAY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-010500-
SILVER BAY HARBOR TO TWO HARBORS MN-
413 PM CST WED DEC 31 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. CHANCE
OF FLURRIES LATE IN THE NIGHT. WAVES 1 TO 2 FEET.
THURSDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF FLURRIES. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-010500-
TWO HARBORS TO DULUTH MN-
413 PM CST WED DEC 31 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS. CHANCE OF FLURRIES LATE IN THE NIGHT.
WAVES 1 TO 2 FEET.
THURSDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF SNOW IN THE MORNING, THEN CHANCE OF FLURRIES
IN THE AFTERNOON. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
WEST WIND 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES
1 TO 2 FEET.
FRIDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-010500-
DULUTH MN TO PORT WING WI-
413 PM CST WED DEC 31 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS AFTER MIDNIGHT. CHANCE OF FLURRIES LATE IN
THE NIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT.
THURSDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
LATE MORNING AND AFTERNOON. CHANCE OF SNOW IN THE MORNING, THEN
CHANCE OF FLURRIES IN THE AFTERNOON. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. WAVES 1 TO 2 FEET.
FRIDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 TO
2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-010500-
PORT WING TO SAND ISLAND WI-
413 PM CST WED DEC 31 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
EARLY IN THE EVENING. CHANCE OF FLURRIES LATE IN THE NIGHT. WAVES
3 TO 5 FEET.
THURSDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS LATE IN THE AFTERNOON. CHANCE OF SNOW.
WAVES 2 TO 4 FEET.
THURSDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS AFTER MIDNIGHT. CHANCE OF FLURRIES IN THE
EVENING. WAVES 1 TO 3 FEET.
FRIDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS. MOSTLY
SUNNY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-010500-
SAND ISLAND TO BAYFIELD WI-
413 PM CST WED DEC 31 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
EARLY IN THE EVENING. PARTLY CLOUDY UNTIL EARLY MORNING THEN
BECOMING MOSTLY CLOUDY. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY TO
7 FEET.
THURSDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS IN THE
AFTERNOON. CHANCE OF FLURRIES IN THE MORNING, THEN CHANCE OF SNOW
IN THE AFTERNOON. WAVES 2 TO 4 FEET.
THURSDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF FLURRIES IN THE EVENING. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING AND OVERNIGHT.
FRIDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
MOSTLY SUNNY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-010500-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
413 PM CST WED DEC 31 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT
TONIGHT
NORTHWEST WIND 20 TO 25 KNOTS. HEAVY FREEZING SPRAY IN
THE EVENING. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET.
THURSDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF FLURRIES IN THE MORNING, THEN CHANCE OF SNOW
IN THE AFTERNOON. WAVES 3 TO 5 FEET.
THURSDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS EARLY IN THE MORNING. CHANCE OF FLURRIES
IN THE EVENING. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT.
FRIDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
MOSTLY SUNNY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ121-010500-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
413 PM CST WED DEC 31 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF FLURRIES LATE IN THE NIGHT. WAVES 1 TO
2 FEET.
THURSDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF FLURRIES IN THE MORNING, THEN CHANCE OF SNOW
IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF FLURRIES IN THE EVENING. WAVES 1 FOOT OR
LESS.
FRIDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-010500-
OAK POINT TO SAXON HARBOR WI-
413 PM CST WED DEC 31 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
EARLY IN THE EVENING. PARTLY CLOUDY UNTIL EARLY MORNING THEN
BECOMING MOSTLY CLOUDY. WAVES 3 TO 5 FEET.
THURSDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF FLURRIES IN THE MORNING, THEN CHANCE OF SNOW
IN THE AFTERNOON. WAVES 1 TO 3 FEET.
THURSDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF FLURRIES IN THE EVENING. WAVES 1 TO 2 FEET.
FRIDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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