034
FZUS53 KDLH 121505
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1005 AM CDT MON OCT 12 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.
LSZ140-122200-
GRAND PORTAGE TO GRAND MARAIS MN-
1005 AM CDT MON OCT 12 2026
..GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
NORTHEAST WIND 20 TO 25 KNOTS WITH GALES TO
AROUND 35 KNOTS. CHANCE OF RAIN SHOWERS. WAVES 5 TO 8 FEET. WAVES
OCCASIONALLY TO 10 FEET.
TONIGHT
NORTHEAST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS EARLY IN THE MORNING. RAIN SHOWERS IN THE
EVENING, THEN RAIN SHOWERS LIKELY AFTER MIDNIGHT. WAVES 5 TO
8 FEET. WAVES OCCASIONALLY TO 10 FEET. A GALE WARNING MAY BE
NEEDED.
TUESDAY
NORTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTHWEST 5 TO 10 KNOTS EARLY IN THE AFTERNOON,
THEN BECOMING WEST LATE IN THE AFTERNOON. SLIGHT CHANCE OF RAIN
SHOWERS IN THE MORNING. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO
3 FEET. WAVES OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY MAY
BE NEEDED.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET.
LSZ141-122200-
GRAND MARAIS TO TACONITE HARBOR MN-
1005 AM CDT MON OCT 12 2026
..GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
NORTHEAST WIND 20 TO 25 KNOTS WITH GALES TO
AROUND 35 KNOTS. CHANCE OF RAIN SHOWERS LATE IN THE MORNING, THEN
SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE AFTERNOON. CHANCE OF
RAIN SHOWERS LATE. WAVES 5 TO 8 FEET. WAVES OCCASIONALLY TO
11 FEET.
TONIGHT
NORTHEAST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 25 KNOTS. RAIN SHOWERS IN THE EVENING, THEN RAIN
SHOWERS LIKELY AFTER MIDNIGHT. WAVES 5 TO 8 FEET. WAVES
OCCASIONALLY TO 11 FEET. A GALE WARNING MAY BE NEEDED.
TUESDAY
NORTH WIND 10 TO 15 KNOTS BECOMING WEST 5 KNOTS IN THE
AFTERNOON. MOSTLY CLOUDY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO
3 FEET LATE IN THE AFTERNOON. WAVES OCCASIONALLY TO 7 FEET. A
SMALL CRAFT ADVISORY MAY BE NEEDED.
TUESDAY NIGHT
NORTHWEST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES
1 TO 2 FEET.
LSZ142-122200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1005 AM CDT MON OCT 12 2026
..GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
NORTHEAST WIND 20 TO 25 KNOTS WITH GALES TO
AROUND 35 KNOTS. CHANCE OF SPRINKLES IN THE LATE MORNING AND
EARLY AFTERNOON, THEN CHANCE OF RAIN SHOWERS LATE. WAVES 7 TO
10 FEET. WAVES OCCASIONALLY TO 13 FEET.
TONIGHT
NORTHEAST WIND 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS EASING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
EARLY IN THE MORNING. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 7 TO 10 FEET. WAVES OCCASIONALLY TO 12 FEET. A
GALE WARNING MAY BE NEEDED.
TUESDAY
NORTH WIND 5 TO 10 KNOTS BECOMING WEST IN THE
AFTERNOON. MOSTLY CLOUDY. WAVES 4 TO 6 FEET SUBSIDING TO 2 TO
4 FEET IN THE AFTERNOON. WAVES OCCASIONALLY TO 8 FEET. A SMALL
CRAFT ADVISORY MAY BE NEEDED.
TUESDAY NIGHT
NORTHWEST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES
1 TO 3 FEET.
LSZ143-122200-
SILVER BAY HARBOR TO TWO HARBORS MN-
1005 AM CDT MON OCT 12 2026
..GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
NORTHEAST WIND 20 TO 25 KNOTS WITH GALES TO
AROUND 35 KNOTS. CHANCE OF SPRINKLES IN THE LATE MORNING AND
EARLY AFTERNOON, THEN CHANCE OF RAIN SHOWERS LATE. WAVES 7 TO
10 FEET. WAVES OCCASIONALLY TO 14 FEET.
TONIGHT
NORTHEAST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 25 KNOTS EARLY IN THE MORNING. RAIN SHOWERS IN THE
EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 7 TO 10 FEET. WAVES
OCCASIONALLY TO 13 FEET. A GALE WARNING MAY BE NEEDED.
TUESDAY
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 5 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY.
WAVES 4 TO 6 FEET SUBSIDING TO 2 TO 4 FEET IN THE AFTERNOON.
WAVES OCCASIONALLY TO 8 FEET. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
TUESDAY NIGHT
NORTHWEST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES
1 TO 3 FEET.
LSZ144-122200-
TWO HARBORS TO DULUTH MN-
1005 AM CDT MON OCT 12 2026
..GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
NORTHEAST WIND 20 TO 25 KNOTS WITH GALES TO
AROUND 35 KNOTS. CHANCE OF SPRINKLES IN THE LATE MORNING AND
EARLY AFTERNOON, THEN CHANCE OF RAIN SHOWERS LATE. WAVES 7 TO
10 FEET. WAVES OCCASIONALLY TO 13 FEET.
TONIGHT
NORTHEAST WIND UP TO 30 KNOTS WITH GALES TO AROUND
35 KNOTS EASING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
EARLY IN THE MORNING. RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES
7 TO 10 FEET SUBSIDING TO 5 TO 8 FEET EARLY IN THE MORNING. WAVES
OCCASIONALLY TO 13 FEET. A GALE WARNING MAY BE NEEDED.
TUESDAY
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 5 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY.
WAVES 4 TO 6 FEET SUBSIDING TO 2 TO 4 FEET IN THE AFTERNOON.
WAVES OCCASIONALLY TO 8 FEET. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET.
LSZ145-122200-
DULUTH MN TO PORT WING WI-
1005 AM CDT MON OCT 12 2026
..GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
NORTHEAST WIND 20 TO 25 KNOTS WITH GALES TO
AROUND 35 KNOTS. CHANCE OF SPRINKLES IN THE LATE MORNING AND
EARLY AFTERNOON, THEN CHANCE OF RAIN SHOWERS LATE. WAVES 7 TO
10 FEET. WAVES OCCASIONALLY TO 13 FEET.
TONIGHT
NORTHEAST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS EARLY IN THE MORNING. RAIN SHOWERS AND
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES 7 TO 10 FEET. WAVES OCCASIONALLY TO
12 FEET. A GALE WARNING MAY BE NEEDED.
TUESDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 5 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY.
WAVES 4 TO 6 FEET SUBSIDING TO 1 TO 3 FEET. WAVES OCCASIONALLY TO
8 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET.
LSZ146-122200-
PORT WING TO SAND ISLAND WI-
1005 AM CDT MON OCT 12 2026
..GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
NORTHEAST WIND 20 TO 25 KNOTS WITH GALES TO
AROUND 35 KNOTS. CHANCE OF SPRINKLES IN THE LATE MORNING AND
EARLY AFTERNOON, THEN CHANCE OF RAIN SHOWERS LATE. WAVES 7 TO
10 FEET. WAVES OCCASIONALLY TO 13 FEET.
TONIGHT
NORTHEAST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS EARLY IN THE MORNING. RAIN SHOWERS IN THE
EVENING. CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. WAVES 7 TO 10 FEET. WAVES
OCCASIONALLY TO 12 FEET. A GALE WARNING MAY BE NEEDED.
TUESDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 5 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY.
WAVES 4 TO 7 FEET SUBSIDING TO 2 TO 4 FEET IN THE AFTERNOON.
WAVES OCCASIONALLY TO 9 FEET. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET.
LSZ147-122200-
SAND ISLAND TO BAYFIELD WI-
1005 AM CDT MON OCT 12 2026
..GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
NORTHEAST WIND 20 TO 25 KNOTS WITH GALES TO
AROUND 35 KNOTS. CHANCE OF SPRINKLES IN THE LATE MORNING AND
EARLY AFTERNOON, THEN CHANCE OF RAIN SHOWERS LATE. WAVES 7 TO
10 FEET. WAVES OCCASIONALLY TO 13 FEET.
TONIGHT
NORTHEAST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 25 KNOTS. RAIN SHOWERS IN THE EVENING. CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS LIKELY AFTER
MIDNIGHT. WAVES 7 TO 10 FEET. WAVES OCCASIONALLY TO 12 FEET. A
GALE WARNING MAY BE NEEDED.
TUESDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST 5 KNOTS EARLY IN THE AFTERNOON, THEN
BECOMING WEST LATE IN THE AFTERNOON. MOSTLY CLOUDY. WAVES 4 TO
7 FEET SUBSIDING TO 1 TO 3 FEET. WAVES OCCASIONALLY TO 9 FEET. A
SMALL CRAFT ADVISORY MAY BE NEEDED.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET.
LSZ150-122200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1005 AM CDT MON OCT 12 2026
..GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
NORTHEAST WIND UP TO 30 KNOTS WITH GALES TO
AROUND 35 KNOTS. CHANCE OF SPRINKLES IN THE LATE MORNING AND
EARLY AFTERNOON, THEN CHANCE OF RAIN SHOWERS LATE. WAVES 7 TO
12 FEET. WAVES OCCASIONALLY TO 15 FEET.
TONIGHT
NORTHEAST WIND UP TO 30 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS EARLY IN THE MORNING. RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS
LIKELY AND CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 8 TO
11 FEET. WAVES OCCASIONALLY TO 14 FEET. A GALE WARNING MAY BE
NEEDED.
TUESDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTHWEST 5 TO 10 KNOTS EARLY IN THE AFTERNOON,
THEN BECOMING WEST LATE IN THE AFTERNOON. MOSTLY CLOUDY. WAVES
5 TO 8 FEET SUBSIDING TO 3 TO 5 FEET IN THE AFTERNOON. WAVES
OCCASIONALLY TO 11 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING
AND OVERNIGHT.
LSZ121-122200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1005 AM CDT MON OCT 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. CHANCE OF SPRINKLES IN THE LATE MORNING AND
EARLY AFTERNOON, THEN CHANCE OF RAIN SHOWERS LATE. WAVES 1 TO
3 FEET.
TONIGHT
NORTHEAST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS EASING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
EARLY IN THE MORNING. RAIN SHOWERS IN THE EVENING. CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS LIKELY AFTER
MIDNIGHT. WAVES 1 TO 3 FEET. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
TUESDAY
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST 5 KNOTS IN THE AFTERNOON. MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING
NORTHWEST 5 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
LSZ148-122200-
OAK POINT TO SAXON HARBOR WI-
1005 AM CDT MON OCT 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
NORTHEAST WIND 20 TO 25 KNOTS. GUSTS UP TO
30 KNOTS INCREASING TO 35 KNOTS LATE. CHANCE OF SPRINKLES IN THE
LATE MORNING AND EARLY AFTERNOON. CHANCE OF RAIN SHOWERS LATE.
WAVES 8 TO 11 FEET. WAVES OCCASIONALLY TO 14 FEET.
TONIGHT
NORTHEAST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 25 KNOTS. RAIN SHOWERS IN THE EVENING. CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS LIKELY AFTER
MIDNIGHT. WAVES 6 TO 9 FEET. WAVES OCCASIONALLY TO 12 FEET. A
GALE WARNING MAY BE NEEDED.
TUESDAY
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST 5 KNOTS IN THE AFTERNOON. MOSTLY
CLOUDY. WAVES 4 TO 7 FEET SUBSIDING TO 2 TO 4 FEET LATE IN THE
AFTERNOON. WAVES OCCASIONALLY TO 9 FEET. A SMALL CRAFT ADVISORY
MAY BE NEEDED.
TUESDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING
NORTHWEST 5 TO 10 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY
CLOUDY. WAVES 1 TO 3 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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