977
FZUS53 KDLH 170553
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1252 AM 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.
LSZ140-171600-
GRAND PORTAGE TO GRAND MARAIS MN-
1252 AM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT
TODAY
SOUTHWEST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS. SUNNY. WAVES 6 TO 9 FEET. WAVES OCCASIONALLY TO
12 FEET.
TONIGHT
SOUTHWEST WIND UP TO 30 KNOTS WITH GALES TO AROUND
40 KNOTS. MOSTLY CLEAR. WAVES 8 TO 11 FEET. WAVES OCCASIONALLY TO
14 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 15 FEET. A GALE WARNING MAY
BE NEEDED.
SUNDAY NIGHT
SOUTHWEST WIND 20 TO 25 KNOTS WITH GUSTS TO
AROUND 30 KNOTS BECOMING WEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN BECOMING
NORTHWEST 5 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 5 TO
8 FEET SUBSIDING TO 1 TO 3 FEET. WAVES OCCASIONALLY TO 10 FEET.
LSZ141-171600-
GRAND MARAIS TO TACONITE HARBOR MN-
1252 AM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
TODAY
SOUTHWEST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS. SUNNY. WAVES 5 TO 8 FEET. WAVES OCCASIONALLY TO
10 FEET.
TONIGHT
SOUTHWEST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS. MOSTLY CLEAR. WAVES 5 TO 8 FEET. WAVES OCCASIONALLY TO
11 FEET.
SUNDAY
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. SUNNY.
WAVES 6 TO 9 FEET. WAVES OCCASIONALLY TO 11 FEET. A GALE WARNING
MAY BE NEEDED.
SUNDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTHWEST 5 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR.
WAVES 4 TO 6 FEET SUBSIDING TO 1 TO 2 FEET. WAVES OCCASIONALLY TO
7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ142-171600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1252 AM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
TODAY
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY TO 7 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 IN THE AFTERNOON. 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. MOSTLY
CLEAR. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE
EVENING AND OVERNIGHT.
LSZ143-171600-
SILVER BAY HARBOR TO TWO HARBORS MN-
1252 AM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
TODAY
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. SUNNY. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 7 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 IN THE AFTERNOON. SUNNY. WAVES 4 TO 6 FEET
SUBSIDING TO 2 TO 4 FEET LATE IN THE AFTERNOON. WAVES
OCCASIONALLY TO 8 FEET. A GALE WARNING MAY BE NEEDED.
SUNDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST EARLY IN THE MORNING. MOSTLY CLEAR. WAVES
1 TO 3 FEET.
LSZ144-171600-
TWO HARBORS TO DULUTH MN-
1252 AM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
TODAY
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. 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. SUNNY. WAVES 3 TO 5 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 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST EARLY IN THE MORNING. MOSTLY CLEAR. WAVES
1 TO 2 FEET.
LSZ145-171600-
DULUTH MN TO PORT WING WI-
1252 AM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
TODAY
SOUTHWEST WIND 20 TO 25 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 IN THE LATE EVENING AND OVERNIGHT. MOSTLY
CLEAR. WAVES 3 TO 5 FEET. A GALE WARNING MAY BE NEEDED.
SUNDAY
SOUTHWEST WIND 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS EASING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
LATE IN THE AFTERNOON. SUNNY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO
3 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 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR.
WAVES 1 TO 2 FEET.
LSZ146-171600-
PORT WING TO SAND ISLAND WI-
1252 AM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
TODAY
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 4 TO
7 FEET. WAVES OCCASIONALLY TO 9 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. SUNNY. WAVES 4 TO 6 FEET SUBSIDING TO
2 TO 4 FEET LATE IN THE AFTERNOON. 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 EASING TO 5 TO 10 KNOTS IN THE LATE EVENING AND
OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
LSZ147-171600-
SAND ISLAND TO BAYFIELD WI-
1252 AM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
TODAY
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 4 TO
6 FEET. WAVES OCCASIONALLY TO 8 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 15 KNOTS WITH GUSTS TO AROUND
30 KNOTS RISING TO 15 TO 20 KNOTS WITH GALES TO AROUND 35 KNOTS
IN THE LATE EVENING AND OVERNIGHT. 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. SUNNY. WAVES 4 TO 6 FEET SUBSIDING TO
2 TO 4 FEET LATE IN THE AFTERNOON. 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.
MOSTLY CLEAR. WAVES 1 TO 3 FEET.
LSZ150-171600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1252 AM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
TODAY
SOUTHWEST WIND UP TO 30 KNOTS EASING TO 15 TO 20 KNOTS
LATE IN THE AFTERNOON. GUSTS UP TO 35 KNOTS DECREASING TO
30 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 5 TO 8 FEET
SUBSIDING TO 4 TO 6 FEET LATE IN THE AFTERNOON. 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 30 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 5 TO
8 FEET SUBSIDING TO 3 TO 5 FEET LATE IN THE AFTERNOON. WAVES
OCCASIONALLY TO 10 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.
MOSTLY CLEAR. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE
LATE EVENING AND OVERNIGHT.
LSZ121-171600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1252 AM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES
1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. 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. 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.
LSZ148-171600-
OAK POINT TO SAXON HARBOR WI-
1252 AM CDT SAT OCT 17 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING
TODAY
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. SUNNY. WAVES 1 TO 3 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 15 KNOTS WITH GUSTS TO AROUND
30 KNOTS RISING TO 15 TO 20 KNOTS WITH GALES TO AROUND 35 KNOTS
IN THE LATE EVENING AND OVERNIGHT. 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. 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 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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