055
FZUS53 KDLH 210817
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
217 AM CST WED JAN 21 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.
LSZ140-211700-
GRAND PORTAGE TO GRAND MARAIS MN-
217 AM CST WED JAN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY AFTERNOON...
TODAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS LATE IN
THE AFTERNOON. SLIGHT CHANCE OF SNOW EARLY IN THE MORNING, THEN
CHANCE OF SNOW IN THE LATE MORNING AND AFTERNOON. WAVES 1 TO
2 FEET.
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF FLURRIES IN THE EVENING. WAVES 1 TO 2 FEET.
THURSDAY
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES
1 TO 2 FEET BUILDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
THURSDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES 2 TO
4 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-211700-
GRAND MARAIS TO TACONITE HARBOR MN-
217 AM CST WED JAN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY AFTERNOON...
TODAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS LATE IN
THE AFTERNOON. CHANCE OF FLURRIES IN THE MORNING, THEN CHANCE OF
SNOW EARLY IN THE AFTERNOON. SLIGHT CHANCE OF SNOW LATE IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF FLURRIES IN THE EVENING. WAVES 1 TO 2 FEET.
THURSDAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY SUNNY. WAVES 1 TO 3 FEET.
THURSDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES 1 TO
3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-211700-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
217 AM CST WED JAN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY AFTERNOON...
TODAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS LATE IN
THE AFTERNOON. CHANCE OF FLURRIES EARLY IN THE MORNING. CHANCE OF
SNOW IN THE LATE MORNING AND EARLY AFTERNOON, THEN SLIGHT CHANCE
OF SNOW LATE IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF FLURRIES IN THE EVENING. 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 2 FEET.
THURSDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 25 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF
SNOW AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-211700-
SILVER BAY HARBOR TO TWO HARBORS MN-
217 AM CST WED JAN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY AFTERNOON...
TODAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS LATE IN
THE AFTERNOON. CHANCE OF FLURRIES IN THE MORNING, THEN CHANCE OF
SNOW EARLY IN THE AFTERNOON. SLIGHT CHANCE OF SNOW LATE IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF FLURRIES IN THE EVENING. WAVES 1 TO 2 FEET.
THURSDAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO
3 FEET.
THURSDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES 1 TO
3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-211700-
TWO HARBORS TO DULUTH MN-
217 AM CST WED JAN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY AFTERNOON...
TODAY
WEST WIND 10 TO 15 KNOTS EASING TO 10 KNOTS EARLY IN THE
AFTERNOON, THEN RISING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS LATE IN THE AFTERNOON. CHANCE OF FLURRIES EARLY IN THE
MORNING, THEN CHANCE OF SNOW IN THE LATE MORNING AND AFTERNOON.
WAVES 1 TO 2 FEET.
TONIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS EARLY IN THE MORNING. CHANCE OF FLURRIES
IN THE EVENING. WAVES 1 TO 2 FEET.
THURSDAY
NORTHWEST WIND 20 TO 25 KNOTS. PARTLY SUNNY. WAVES
1 TO 3 FEET.
THURSDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS. SLIGHT CHANCE OF
SNOW AFTER MIDNIGHT. WAVES 1 TO 3 FEET. A SMALL CRAFT ADVISORY
MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-211700-
DULUTH MN TO PORT WING WI-
217 AM CST WED JAN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY AFTERNOON...
TODAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING WEST 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS LATE
IN THE AFTERNOON. CHANCE OF FLURRIES EARLY IN THE MORNING, THEN
SNOW LIKELY LATE IN THE MORNING. CHANCE OF SNOW IN THE AFTERNOON.
WAVES 1 TO 2 FEET.
TONIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF FLURRIES IN THE EVENING. WAVES 2 TO 4 FEET.
THURSDAY
NORTHWEST WIND 20 TO 25 KNOTS. SLIGHT CHANCE OF SNOW
IN THE AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET IN
THE LATE MORNING AND AFTERNOON. WAVES OCCASIONALLY TO 7 FEET.
THURSDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
30 KNOTS EARLY IN THE EVENING. SLIGHT CHANCE OF SNOW. WAVES 3 TO
5 FEET. WAVES OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY MAY
BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-211700-
PORT WING TO SAND ISLAND WI-
217 AM CST WED JAN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY AFTERNOON...
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST WITH GUSTS TO AROUND 25 KNOTS LATE IN THE
AFTERNOON. SLIGHT CHANCE OF SNOW EARLY IN THE MORNING, THEN
CHANCE OF SNOW IN THE LATE MORNING AND AFTERNOON. WAVES 1 TO
3 FEET.
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS LATE IN THE EVENING, THEN DECREASING TO
25 KNOTS AFTER MIDNIGHT. CHANCE OF FLURRIES IN THE EVENING. WAVES
3 TO 5 FEET.
THURSDAY
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS LATE IN THE AFTERNOON. SLIGHT CHANCE OF
SNOW. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 7 FEET.
THURSDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS WITH GUSTS TO
AROUND 30 KNOTS EASING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS AFTER MIDNIGHT. CHANCE OF SNOW. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY TO 8 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-211700-
SAND ISLAND TO BAYFIELD WI-
217 AM CST WED JAN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY AFTERNOON...
TODAY
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 FLURRIES EARLY IN THE MORNING, THEN CHANCE
OF SNOW IN THE LATE MORNING AND AFTERNOON. WAVES 1 TO 3 FEET.
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE EVENING AND EARLY MORNING,
THEN DECREASING TO 25 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE
OF SNOW IN THE EVENING. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY TO
7 FEET.
THURSDAY
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS LATE IN THE AFTERNOON. SLIGHT CHANCE OF
SNOW IN THE MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. WAVES
4 TO 6 FEET. WAVES OCCASIONALLY TO 7 FEET.
THURSDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. CHANCE OF SNOW. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-211700-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
217 AM CST WED JAN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY AFTERNOON...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM LATE TONIGHT
THROUGH FRIDAY MORNING...
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS LATE IN THE AFTERNOON. CHANCE OF FLURRIES IN THE
MORNING, THEN SNOW LIKELY IN THE AFTERNOON. WAVES 1 TO 3 FEET.
TONIGHT
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS IN
THE LATE EVENING AND OVERNIGHT. CHANCE OF SNOW IN THE EVENING,
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES 4 TO 6 FEET.
WAVES OCCASIONALLY TO 8 FEET.
THURSDAY
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
LATE IN THE AFTERNOON. CHANCE OF SNOW. WAVES 4 TO 7 FEET. WAVES
OCCASIONALLY TO 9 FEET.
THURSDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. HEAVY FREEZING SPRAY IN THE EVENING. CHANCE OF
SNOW THROUGH THE NIGHT. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO
9 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ121-211700-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
217 AM CST WED JAN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY AFTERNOON...
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST WITH GUSTS TO
AROUND 20 KNOTS LATE IN THE AFTERNOON. CHANCE OF FLURRIES IN THE
MORNING, THEN SNOW LIKELY EARLY IN THE AFTERNOON. CHANCE OF SNOW
LATE IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS EARLY IN THE MORNING. CHANCE OF SNOW IN
THE EVENING. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF SNOW. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. CHANCE OF SNOW. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-211700-
OAK POINT TO SAXON HARBOR WI-
217 AM CST WED JAN 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY AFTERNOON...
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST WITH GUSTS TO AROUND 20 KNOTS LATE IN THE
AFTERNOON. CHANCE OF FLURRIES IN THE MORNING, THEN SNOW LIKELY
EARLY IN THE AFTERNOON. CHANCE OF SNOW LATE IN THE AFTERNOON.
WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. CHANCE
OF SNOW IN THE EVENING, THEN SLIGHT CHANCE OF SNOW AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
THURSDAY
WEST WIND 20 TO 25 KNOTS. CHANCE OF SNOW. WAVES 1 TO
2 FEET BUILDING TO 2 TO 4 FEET IN THE AFTERNOON.
THURSDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS. CHANCE OF SNOW.
WAVES 2 TO 4 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
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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