846
FZUS53 KDLH 202323
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
523 PM CST TUE JAN 20 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.
LSZ140-210500-
GRAND PORTAGE TO GRAND MARAIS MN-
523 PM CST TUE JAN 20 2026
TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS UNTIL
EARLY MORNING. SLIGHT CHANCE OF SNOW LATE IN THE NIGHT. WAVES
1 TO 3 FEET.
WEDNESDAY
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE AFTERNOON. SLIGHT CHANCE OF SNOW IN THE MORNING, THEN
CHANCE OF SNOW IN THE AFTERNOON. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS INCREASING TO 30 KNOTS EARLY IN THE MORNING. MOSTLY
CLOUDY. WAVES 1 TO 3 FEET.
THURSDAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN INCREASING TO 30 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY.
WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-210500-
GRAND MARAIS TO TACONITE HARBOR MN-
523 PM CST TUE JAN 20 2026
TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
EVENING. SLIGHT CHANCE OF SNOW LATE IN THE NIGHT. WAVES 1 TO
2 FEET.
WEDNESDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. SLIGHT CHANCE OF SNOW IN THE MORNING, THEN CHANCE OF
SNOW IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-210500-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
523 PM CST TUE JAN 20 2026
TONIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE
EVENING. SLIGHT CHANCE OF SNOW LATE IN THE NIGHT. WAVES 1 TO
2 FEET.
WEDNESDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. SLIGHT CHANCE OF SNOW THROUGH THE DAY. WAVES
1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN INCREASING TO 25 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY.
WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-210500-
SILVER BAY HARBOR TO TWO HARBORS MN-
523 PM CST TUE JAN 20 2026
TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS EARLY
IN THE EVENING. SLIGHT CHANCE OF SNOW IN THE LATE EVENING AND
OVERNIGHT. WAVES 1 TO 2 FEET.
WEDNESDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. SLIGHT CHANCE OF SNOW THROUGH THE DAY. WAVES
1 TO 2 FEET.
WEDNESDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS LATE IN THE MORNING, THEN INCREASING TO
25 KNOTS IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-210500-
TWO HARBORS TO DULUTH MN-
523 PM CST TUE JAN 20 2026
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. SLIGHT CHANCE OF SNOW
IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 2 FEET.
WEDNESDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. CHANCE OF SNOW. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-210500-
DULUTH MN TO PORT WING WI-
523 PM CST TUE JAN 20 2026
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. SLIGHT CHANCE OF SNOW
IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 3 FEET.
WEDNESDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
CHANCE OF SNOW. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY IN THE
EVENING THEN BECOMING PARTLY CLOUDY. WAVES 2 TO 4 FEET. A SMALL
CRAFT ADVISORY MAY BE NEEDED.
THURSDAY
NORTHWEST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS. PARTLY SUNNY. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET
IN THE AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-210500-
PORT WING TO SAND ISLAND WI-
523 PM CST TUE JAN 20 2026
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. SLIGHT CHANCE OF SNOW EARLY IN THE EVENING, THEN
CHANCE OF SNOW IN THE LATE EVENING AND OVERNIGHT. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 2 FEET LATE IN THE NIGHT.
WEDNESDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST WITH GUSTS TO AROUND 25 KNOTS LATE IN THE
AFTERNOON. CHANCE OF SNOW. WAVES 1 TO 3 FEET.
WEDNESDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. MOSTLY CLOUDY. WAVES 2 TO 4 FEET. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
THURSDAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS EASING TO 5 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
LATE IN THE MORNING, THEN RISING TO 20 TO 25 KNOTS WITH GALES TO
AROUND 35 KNOTS IN THE AFTERNOON. PARTLY SUNNY. WAVES 2 TO
4 FEET. A GALE WARNING MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-210500-
SAND ISLAND TO BAYFIELD WI-
523 PM CST TUE JAN 20 2026
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. SLIGHT CHANCE OF SNOW EARLY IN THE EVENING, THEN
CHANCE OF SNOW IN THE LATE EVENING AND OVERNIGHT. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 2 FEET LATE IN THE NIGHT.
WEDNESDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST WITH GUSTS TO AROUND 25 KNOTS LATE IN THE
AFTERNOON. CHANCE OF SNOW. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. SLIGHT CHANCE OF SNOW IN THE EVENING. WAVES 2 TO
4 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
THURSDAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS LATE IN THE MORNING, THEN INCREASING TO
30 KNOTS EARLY IN THE AFTERNOON INCREASING TO 35 KNOTS LATE IN
THE AFTERNOON. PARTLY SUNNY. WAVES 2 TO 4 FEET. A GALE WARNING
MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-210500-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
523 PM CST TUE JAN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS.
SLIGHT CHANCE OF SNOW EARLY IN THE EVENING, THEN CHANCE OF SNOW
IN THE LATE EVENING AND OVERNIGHT. WAVES 3 TO 5 FEET SUBSIDING TO
1 TO 3 FEET LATE IN THE NIGHT. WAVES OCCASIONALLY TO 7 FEET.
WEDNESDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
CHANCE OF SNOW. WAVES 1 TO 3 FEET.
WEDNESDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS INCREASING TO 30 KNOTS IN THE LATE EVENING AND
OVERNIGHT. SLIGHT CHANCE OF LIGHT FREEZING RAIN AND SNOW IN THE
EVENING. WAVES 3 TO 5 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
THURSDAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN INCREASING TO 30 KNOTS LATE IN THE AFTERNOON. SLIGHT CHANCE
OF SNOW IN THE AFTERNOON. WAVES 3 TO 5 FEET. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ121-210500-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
523 PM CST TUE JAN 20 2026
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF SNOW
THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
IN THE AFTERNOON. SLIGHT CHANCE OF SNOW IN THE MORNING, THEN
CHANCE OF SNOW IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF SNOW IN THE EVENING. WAVES 1 FOOT OR
LESS.
THURSDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE AFTERNOON. PARTLY SUNNY. WAVES
1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-210500-
OAK POINT TO SAXON HARBOR WI-
523 PM CST TUE JAN 20 2026
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. SLIGHT CHANCE OF SNOW
IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 2 FEET.
WEDNESDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE AFTERNOON. SLIGHT CHANCE OF SNOW IN THE MORNING, THEN
CHANCE OF SNOW IN THE AFTERNOON. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. SLIGHT
CHANCE OF SNOW IN THE EVENING. WAVES 1 TO 3 FEET.
THURSDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF SNOW IN
THE AFTERNOON. 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
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