032
FZUS53 KDLH 171822
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
122 PM CDT SAT OCT 17 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.
LSZ140-172200-
GRAND PORTAGE TO GRAND MARAIS MN-
122 PM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
...GALE WATCH IN EFFECT FROM 10 PM CDT THIS EVENING THROUGH
SUNDAY AFTERNOON...
REST OF TODAY
SOUTHWEST WIND UP TO 30 KNOTS. SUNNY. WAVES 7 TO
10 FEET. WAVES OCCASIONALLY TO 13 FEET.
TONIGHT
SOUTHWEST WIND UP TO 30 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 40 KNOTS. PARTLY CLOUDY. WAVES 8 TO 11 FEET. WAVES
OCCASIONALLY TO 15 FEET. A GALE WARNING MAY BE NEEDED.
SUNDAY
SOUTHWEST WIND UP TO 30 KNOTS. GALES UP TO 40 KNOTS
DECREASING TO 35 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES
7 TO 12 FEET. WAVES OCCASIONALLY TO 16 FEET. A GALE WARNING MAY
BE NEEDED.
SUNDAY NIGHT
SOUTHWEST WIND 20 TO 25 KNOTS WITH GUSTS TO
AROUND 30 KNOTS BECOMING WEST 5 TO 10 KNOTS AFTER MIDNIGHT.
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES
6 TO 9 FEET SUBSIDING TO 1 TO 2 FEET. WAVES OCCASIONALLY TO
11 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ141-172200-
GRAND MARAIS TO TACONITE HARBOR MN-
122 PM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
REST OF TODAY
SOUTHWEST WIND 20 TO 25 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. SUNNY. WAVES 5 TO 8 FEET. WAVES OCCASIONALLY TO
11 FEET.
TONIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. WAVES
5 TO 8 FEET. WAVES OCCASIONALLY TO 11 FEET. A GALE WARNING MAY BE
NEEDED.
SUNDAY
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 6 TO
9 FEET. WAVES OCCASIONALLY TO 12 FEET. A GALE WARNING MAY BE
NEEDED.
SUNDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS BECOMING WEST 5 TO 10 KNOTS IN THE LATE EVENING
AND EARLY MORNING, THEN BECOMING NORTHWEST EARLY IN THE MORNING.
PARTLY CLOUDY. WAVES 4 TO 6 FEET SUBSIDING TO 1 TO 2 FEET. WAVES
OCCASIONALLY TO 8 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ142-172200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
122 PM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
REST OF TODAY
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. SUNNY. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO
8 FEET.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY TO 7 FEET. A GALE WARNING MAY BE
NEEDED.
SUNDAY
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY TO 8 FEET. A GALE WARNING MAY BE
NEEDED.
SUNDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST 5 KNOTS AFTER MIDNIGHT. PARTLY
CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE
EVENING AND OVERNIGHT.
LSZ143-172200-
SILVER BAY HARBOR TO TWO HARBORS MN-
122 PM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
REST OF TODAY
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. SUNNY. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO
8 FEET.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY TO 8 FEET. A GALE WARNING MAY BE
NEEDED.
SUNDAY
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES
4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET. A GALE WARNING MAY BE
NEEDED.
SUNDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST 5 KNOTS AFTER MIDNIGHT. PARTLY
CLOUDY. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE
EVENING AND OVERNIGHT.
LSZ144-172200-
TWO HARBORS TO DULUTH MN-
122 PM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
REST OF TODAY
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. SUNNY. WAVES 3 TO 5 FEET.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. MOSTLY CLEAR. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY TO
7 FEET.
SUNDAY
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 25 KNOTS. MOSTLY SUNNY. WAVES 4 TO 6 FEET SUBSIDING
TO 1 TO 3 FEET LATE IN THE AFTERNOON. WAVES OCCASIONALLY TO
7 FEET. A GALE WARNING MAY BE NEEDED.
SUNDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST 5 KNOTS AFTER MIDNIGHT. PARTLY
CLOUDY. WAVES 1 TO 2 FEET.
LSZ145-172200-
DULUTH MN TO PORT WING WI-
122 PM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
REST OF TODAY
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. SUNNY. WAVES 3 TO 5 FEET.
TONIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS LATE IN THE EVENING, THEN DECREASING TO
30 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 3 TO 5 FEET. WAVES
OCCASIONALLY TO 7 FEET. A GALE WARNING MAY BE NEEDED.
SUNDAY
SOUTHWEST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS EASING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 3 TO 5 FEET SUBSIDING
TO 1 TO 3 FEET LATE IN THE AFTERNOON. WAVES OCCASIONALLY TO
7 FEET.
SUNDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS EASING TO 5 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR.
WAVES 1 TO 2 FEET.
LSZ146-172200-
PORT WING TO SAND ISLAND WI-
122 PM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
...GALE WATCH IN EFFECT FROM 10 PM CDT THIS EVENING THROUGH
SUNDAY AFTERNOON...
REST OF TODAY
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
35 KNOTS DECREASING TO 30 KNOTS LATE. SUNNY. WAVES 4 TO 6 FEET.
WAVES OCCASIONALLY TO 8 FEET.
TONIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY
CLEAR. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET. A GALE
WARNING MAY BE NEEDED.
SUNDAY
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 25 KNOTS. MOSTLY SUNNY. WAVES 4 TO 7 FEET SUBSIDING
TO 2 TO 4 FEET LATE IN THE AFTERNOON. WAVES OCCASIONALLY TO
9 FEET. A GALE WARNING MAY BE NEEDED.
SUNDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES
1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING AND
OVERNIGHT.
LSZ147-172200-
SAND ISLAND TO BAYFIELD WI-
122 PM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
REST OF TODAY
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 25 KNOTS LATE. SUNNY. WAVES 4 TO 6 FEET.
WAVES OCCASIONALLY TO 8 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS RISING TO 20 TO 25 KNOTS WITH GALES TO AROUND 35 KNOTS
IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 3 TO
5 FEET. WAVES OCCASIONALLY TO 7 FEET. A GALE WARNING MAY BE
NEEDED.
SUNDAY
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 25 KNOTS. MOSTLY SUNNY. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY TO 8 FEET. A GALE WARNING MAY BE NEEDED.
SUNDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST 5 KNOTS EARLY IN THE MORNING.
PARTLY CLOUDY. WAVES 1 TO 3 FEET.
LSZ150-172200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
122 PM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
...GALE WATCH IN EFFECT FROM 10 PM CDT THIS EVENING THROUGH
SUNDAY AFTERNOON...
REST OF TODAY
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 25 KNOTS LATE. SUNNY. WAVES 5 TO 8 FEET.
WAVES OCCASIONALLY TO 10 FEET.
TONIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY
CLEAR. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO 9 FEET. A GALE
WARNING MAY BE NEEDED.
SUNDAY
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 25 KNOTS. MOSTLY SUNNY. WAVES 5 TO 8 FEET SUBSIDING
TO 4 TO 6 FEET LATE IN THE AFTERNOON. WAVES OCCASIONALLY TO
10 FEET. A GALE WARNING MAY BE NEEDED.
SUNDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE EVENING. PARTLY CLOUDY. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING AND OVERNIGHT.
LSZ121-172200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
122 PM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
REST OF TODAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
SUNDAY
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES
1 TO 2 FEET.
SUNDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
LSZ148-172200-
OAK POINT TO SAXON HARBOR WI-
122 PM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
REST OF TODAY
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. SUNNY. WAVES 1 TO 3 FEET.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. WAVES
1 TO 3 FEET BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT. A GALE
WARNING MAY BE NEEDED.
SUNDAY
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 25 KNOTS. MOSTLY SUNNY. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 2 FEET LATE IN THE AFTERNOON. A GALE WARNING MAY BE
NEEDED.
SUNDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES
1 TO 2 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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