436
FZUS53 KDLH 161027
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
527 AM CDT FRI OCT 16 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.
LSZ140-161600-
GRAND PORTAGE TO GRAND MARAIS MN-
527 AM CDT FRI OCT 16 2026
..GALE WARNING IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
TODAY
NORTH WIND UP TO 30 KNOTS WITH GALES TO AROUND 40 KNOTS
EASING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS LATE IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 4 TO 6 FEET SUBSIDING TO 1 TO
3 FEET LATE IN THE AFTERNOON. WAVES OCCASIONALLY TO 8 FEET.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 TO 2 FEET
BUILDING TO 2 TO 4 FEET EARLY IN THE MORNING.
SATURDAY
SOUTHWEST WIND UP TO 30 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS IN THE LATE MORNING AND AFTERNOON. SUNNY.
WAVES 4 TO 6 FEET BUILDING TO 7 TO 10 FEET IN THE LATE MORNING
AND AFTERNOON. WAVES OCCASIONALLY TO 13 FEET. A GALE WARNING MAY
BE NEEDED.
SATURDAY NIGHT
SOUTHWEST WIND UP TO 30 KNOTS. GUSTS UP TO
35 KNOTS INCREASING TO 40 KNOTS IN THE LATE EVENING AND
OVERNIGHT. MOSTLY CLEAR. WAVES 7 TO 12 FEET. WAVES OCCASIONALLY
TO 15 FEET. A GALE WARNING MAY BE NEEDED.
LSZ141-161600-
GRAND MARAIS TO TACONITE HARBOR MN-
527 AM CDT FRI OCT 16 2026
..GALE WARNING IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
TODAY
NORTH WIND UP TO 30 KNOTS WITH GALES TO AROUND 35 KNOTS
BECOMING NORTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
LATE IN THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE
MORNING. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 2 FEET LATE IN THE
AFTERNOON.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
SATURDAY
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 3 TO
5 FEET BUILDING TO 6 TO 9 FEET IN THE LATE MORNING AND AFTERNOON.
WAVES OCCASIONALLY TO 12 FEET. A GALE WARNING MAY BE NEEDED.
SATURDAY NIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
30 KNOTS INCREASING TO 35 KNOTS IN THE LATE EVENING AND
OVERNIGHT. MOSTLY CLEAR. WAVES 6 TO 9 FEET. WAVES OCCASIONALLY TO
11 FEET. A GALE WARNING MAY BE NEEDED.
LSZ142-161600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
527 AM CDT FRI OCT 16 2026
..GALE WARNING IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
TODAY
NORTH WIND 20 TO 25 KNOTS WITH GALES TO AROUND 35 KNOTS
BECOMING NORTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
LATE IN THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE
MORNING. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 2 FEET LATE IN THE
AFTERNOON.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
SATURDAY
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS LATE IN THE MORNING, THEN DECREASING TO
30 KNOTS IN THE AFTERNOON. SUNNY. WAVES 2 TO 4 FEET BUILDING TO
4 TO 7 FEET IN THE LATE MORNING AND AFTERNOON. WAVES OCCASIONALLY
TO 9 FEET. A GALE WARNING MAY BE NEEDED.
SATURDAY NIGHT
SOUTHWEST WIND 15 TO 20 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.
LSZ143-161600-
SILVER BAY HARBOR TO TWO HARBORS MN-
527 AM CDT FRI OCT 16 2026
..GALE WARNING IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
TODAY
NORTH 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. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE
MORNING. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 2 FEET LATE IN THE
AFTERNOON.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
SATURDAY
SOUTHWEST WIND 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS. SUNNY. WAVES 2 TO 4 FEET BUILDING TO 4 TO 6 FEET IN THE
LATE MORNING AND AFTERNOON. WAVES OCCASIONALLY TO 8 FEET. A GALE
WARNING MAY BE NEEDED.
SATURDAY NIGHT
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.
LSZ144-161600-
TWO HARBORS TO DULUTH MN-
527 AM CDT FRI OCT 16 2026
..GALE WARNING IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
TODAY
NORTH 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. CHANCE OF RAIN SHOWERS EARLY IN THE MORNING. WAVES
2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET LATE IN THE AFTERNOON.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES
1 TO 2 FEET.
SATURDAY
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN DECREASING TO 30 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES
4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET. A GALE WARNING MAY BE
NEEDED.
SATURDAY NIGHT
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.
LSZ145-161600-
DULUTH MN TO PORT WING WI-
527 AM CDT FRI OCT 16 2026
..GALE WARNING IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
TODAY
NORTH WIND UP TO 30 KNOTS WITH GALES TO AROUND 35 KNOTS
EASING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE
AFTERNOON. CHANCE OF RAIN SHOWERS EARLY IN THE MORNING. WAVES
5 TO 8 FEET SUBSIDING TO 2 TO 4 FEET LATE IN THE AFTERNOON. WAVES
OCCASIONALLY TO 10 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
SATURDAY
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN DECREASING TO 30 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES
3 TO 5 FEET. WAVES OCCASIONALLY TO 7 FEET. A GALE WARNING MAY BE
NEEDED.
SATURDAY NIGHT
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. WAVES OCCASIONALLY TO
7 FEET. A GALE WARNING MAY BE NEEDED.
LSZ146-161600-
PORT WING TO SAND ISLAND WI-
527 AM CDT FRI OCT 16 2026
..GALE WARNING IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
TODAY
NORTH WIND UP TO 30 KNOTS WITH GALES TO AROUND 35 KNOTS
EASING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS LATE IN
THE AFTERNOON. CHANCE OF RAIN SHOWERS EARLY IN THE MORNING. WAVES
6 TO 9 FEET SUBSIDING TO 2 TO 4 FEET LATE IN THE AFTERNOON. WAVES
OCCASIONALLY TO 12 FEET.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
SATURDAY
SOUTHWEST WIND 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS. SUNNY. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO 9 FEET.
A GALE WARNING MAY BE NEEDED.
SATURDAY NIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
30 KNOTS INCREASING TO 40 KNOTS. MOSTLY CLEAR. WAVES 4 TO 6 FEET.
WAVES OCCASIONALLY TO 8 FEET. A GALE WARNING MAY BE NEEDED.
LSZ147-161600-
SAND ISLAND TO BAYFIELD WI-
527 AM CDT FRI OCT 16 2026
..GALE WARNING IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
TODAY
NORTH WIND UP TO 30 KNOTS WITH GALES TO AROUND 40 KNOTS
EASING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS LATE IN
THE AFTERNOON. CHANCE OF RAIN SHOWERS EARLY IN THE MORNING. WAVES
6 TO 9 FEET SUBSIDING TO 3 TO 5 FEET LATE IN THE AFTERNOON. WAVES
OCCASIONALLY TO 12 FEET.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
SATURDAY
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. A GALE WARNING MAY BE
NEEDED.
SATURDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
30 KNOTS INCREASING TO 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.
LSZ150-161600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
527 AM CDT FRI OCT 16 2026
..GALE WARNING IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
TODAY
NORTH WIND UP TO 30 KNOTS WITH GALES TO AROUND 40 KNOTS
EASING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS LATE IN
THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE
MORNING. WAVES 8 TO 11 FEET SUBSIDING TO 4 TO 7 FEET LATE IN THE
AFTERNOON. WAVES OCCASIONALLY TO 15 FEET.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING AND OVERNIGHT. A
SMALL CRAFT ADVISORY MAY BE NEEDED.
SATURDAY
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 BUILDING TO 5 TO 8 FEET IN THE LATE MORNING AND AFTERNOON.
WAVES OCCASIONALLY TO 11 FEET. A GALE WARNING MAY BE NEEDED.
SATURDAY NIGHT
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO
30 KNOTS INCREASING TO 40 KNOTS. MOSTLY CLEAR. WAVES 4 TO 7 FEET.
WAVES OCCASIONALLY TO 9 FEET. A GALE WARNING MAY BE NEEDED.
LSZ121-161600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
527 AM CDT FRI OCT 16 2026
..GALE WARNING IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
TODAY
NORTH WIND 20 TO 25 KNOTS WITH GALES TO AROUND 35 KNOTS
EASING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS LATE IN
THE AFTERNOON. CHANCE OF RAIN SHOWERS EARLY IN THE MORNING. WAVES
1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET LATE IN THE AFTERNOON.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 20 KNOTS AFTER
MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. SUNNY.
WAVES 1 TO 2 FEET.
SATURDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ148-161600-
OAK POINT TO SAXON HARBOR WI-
527 AM CDT FRI OCT 16 2026
..GALE WARNING IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
TODAY
NORTH WIND UP TO 30 KNOTS WITH GALES TO AROUND 40 KNOTS
EASING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS LATE IN
THE AFTERNOON. CHANCE OF RAIN SHOWERS EARLY IN THE MORNING.
SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE MORNING. WAVES 7 TO
10 FEET SUBSIDING TO 4 TO 7 FEET LATE IN THE AFTERNOON. WAVES
OCCASIONALLY TO 12 FEET.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 20 KNOTS AFTER
MIDNIGHT. MOSTLY CLEAR. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO
2 FEET AFTER MIDNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SATURDAY
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. SUNNY.
WAVES 1 TO 3 FEET.
SATURDAY NIGHT
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. A GALE WARNING MAY BE NEEDED.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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