747
FZUS53 KDLH 211237
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
637 AM CST SAT FEB 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-
637 AM CST SAT FEB 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY MORNING...
TODAY
NORTH WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS. SLIGHT
CHANCE OF SNOW. WAVES 1 TO 2 FEET.
TONIGHT
NORTH WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. CHANCE
OF FLURRIES IN THE EVENING. WAVES 1 TO 2 FEET.
SUNDAY
NORTH WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS EARLY IN THE AFTERNOON, THEN INCREASING TO
30 KNOTS LATE IN THE AFTERNOON. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY NIGHT
NORTH WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-211700-
GRAND MARAIS TO TACONITE HARBOR MN-
637 AM CST SAT FEB 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SUNDAY EVENING...
TODAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS LATE IN THE MORNING, THEN THEN 20 KNOTS
LATE IN THE AFTERNOON. CHANCE OF FLURRIES THROUGH THE DAY. WAVES
1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 10 KNOTS RISING TO 10 TO 15 KNOTS IN
THE LATE EVENING AND OVERNIGHT. GUSTS UP TO 25 KNOTS. CHANCE OF
FLURRIES IN THE EVENING. WAVES 1 TO 2 FEET.
SUNDAY
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. PARTLY SUNNY. WAVES 1 TO 2 FEET.
SUNDAY NIGHT
NORTH WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-211700-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
637 AM CST SAT FEB 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SUNDAY EVENING...
TODAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS LATE IN THE MORNING, THEN THEN 20 KNOTS
LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF FLURRIES IN THE EVENING. WAVES 1 TO 2 FEET.
SUNDAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. PARTLY SUNNY. WAVES 1 TO 2 FEET.
SUNDAY NIGHT
NORTH WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 1 TO
2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-211700-
SILVER BAY HARBOR TO TWO HARBORS MN-
637 AM CST SAT FEB 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SUNDAY EVENING...
TODAY
NORTHWEST WIND 5 TO 10 KNOTS. CHANCE OF FLURRIES UNTIL
LATE AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF FLURRIES IN THE EVENING. WAVES 1 TO 2 FEET.
SUNDAY
NORTHWEST 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. PARTLY SUNNY. WAVES 1 TO 2 FEET.
SUNDAY NIGHT
NORTH WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 1 TO
2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-211700-
TWO HARBORS TO DULUTH MN-
637 AM CST SAT FEB 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SUNDAY EVENING...
TODAY
NORTHWEST WIND 10 TO 15 KNOTS. CHANCE OF FLURRIES UNTIL
LATE AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES
1 TO 2 FEET.
SUNDAY NIGHT
NORTH WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
PARTLY CLOUDY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-211700-
DULUTH MN TO PORT WING WI-
637 AM CST SAT FEB 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SUNDAY EVENING...
TODAY
NORTHWEST WIND 10 TO 15 KNOTS. CHANCE OF FLURRIES UNTIL
LATE AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY
NORTHWEST WIND 15 TO 20 KNOTS. PARTLY SUNNY. WAVES 1 TO
3 FEET.
SUNDAY NIGHT
NORTH WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
UNTIL EARLY MORNING. MOSTLY CLOUDY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-211700-
PORT WING TO SAND ISLAND WI-
637 AM CST SAT FEB 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SUNDAY EVENING...
TODAY
NORTHWEST WIND 5 TO 10 KNOTS. CHANCE OF FLURRIES THROUGH
THE DAY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF FLURRIES IN THE EVENING. WAVES 1 TO 3 FEET.
SUNDAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS.
CHANCE OF FLURRIES IN THE MORNING. WAVES 2 TO 4 FEET.
SUNDAY NIGHT
NORTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY
IN THE MORNING. MOSTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO
1 TO 2 FEET EARLY IN THE MORNING.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-211700-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
637 AM CST SAT FEB 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
SUNDAY NIGHT...
TODAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF FLURRIES. WAVES 1 TO 3 FEET.
TONIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. CHANCE
OF FLURRIES THROUGH THE NIGHT. WAVES 2 TO 4 FEET.
SUNDAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF FLURRIES IN THE MORNING, THEN SLIGHT CHANCE
OF SNOW IN THE AFTERNOON. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY
TO 7 FEET.
SUNDAY NIGHT
NORTH WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS EARLY IN THE MORNING. HEAVY FREEZING SPRAY
IN THE EVENING. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 7 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-211700-
OAK POINT TO SAXON HARBOR WI-
637 AM CST SAT FEB 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
SUNDAY NIGHT...
TODAY
NORTHWEST WIND 5 TO 10 KNOTS. CHANCE OF FLURRIES. WAVES
1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE EVENING AND OVERNIGHT. CHANCE OF FLURRIES. WAVES 1 TO
3 FEET.
SUNDAY
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.
SUNDAY NIGHT
NORTH WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF
SNOW. WAVES 3 TO 5 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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