700
FZUS53 KDLH 010453
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1153 PM CDT MON AUG 31 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.
LSZ140-011000-
GRAND PORTAGE TO GRAND MARAIS MN-
1153 PM CDT MON AUG 31 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT TUESDAY
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. AREAS OF DENSE
FOG THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. PATCHY DENSE FOG IN THE MORNING. WAVES 1 TO 2 FEET
BUILDING TO 2 TO 4 FEET IN THE AFTERNOON.
TUESDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE
LATE EVENING AND OVERNIGHT.
WEDNESDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ141-011000-
GRAND MARAIS TO TACONITE HARBOR MN-
1153 PM CDT MON AUG 31 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT TUESDAY
REST OF TONIGHT
WEST WIND 5 KNOTS. AREAS OF DENSE FOG THROUGH
THE NIGHT. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. AREAS OF DENSE FOG IN THE MORNING. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
WEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ142-011000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1153 PM CDT MON AUG 31 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT TUESDAY
REST OF TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST
AFTER MIDNIGHT. PATCHY DENSE FOG THROUGH THE NIGHT. WAVES 1 FOOT
OR LESS.
TUESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE MORNING INCREASING TO 25 KNOTS, THEN DECREASING TO
20 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
NORTHWEST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTH
5 KNOTS EARLY IN THE AFTERNOON, THEN BECOMING VARIABLE 10 KNOTS
OR LESS LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ143-011000-
SILVER BAY HARBOR TO TWO HARBORS MN-
1153 PM CDT MON AUG 31 2026
REST OF TONIGHT
NORTH WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. PATCHY FOG THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
WEST WIND 5 TO 10 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST
5 KNOTS EARLY IN THE AFTERNOON, THEN BECOMING VARIABLE 10 KNOTS
OR LESS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ144-011000-
TWO HARBORS TO DULUTH MN-
1153 PM CDT MON AUG 31 2026
REST OF TONIGHT
NORTH WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. PATCHY FOG. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE MORNING AND AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS LATE IN THE MORNING, THEN BECOMING EAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ145-011000-
DULUTH MN TO PORT WING WI-
1153 PM CDT MON AUG 31 2026
REST OF TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST
AFTER MIDNIGHT. PATCHY FOG. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE MORNING AND AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
WEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTH
5 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING
NORTHEAST LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ146-011000-
PORT WING TO SAND ISLAND WI-
1153 PM CDT MON AUG 31 2026
REST OF TONIGHT
NORTH WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. PATCHY FOG THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
PATCHY FOG IN THE MORNING. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS UNTIL EARLY MORNING BECOMING VARIABLE 10 KNOTS OR LESS.
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ147-011000-
SAND ISLAND TO BAYFIELD WI-
1153 PM CDT MON AUG 31 2026
REST OF TONIGHT
EAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. AREAS OF DENSE FOG LATE IN THE EVENING, THEN PATCHY
DENSE FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
TUESDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 25 KNOTS. SUNNY.
WAVES 1 TO 2 FEET.
TUESDAY NIGHT
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS UNTIL EARLY MORNING BECOMING VARIABLE 10 KNOTS OR LESS.
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST
5 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ150-011000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1153 PM CDT MON AUG 31 2026
REST OF TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST
AFTER MIDNIGHT. WIDESPREAD DENSE FOG LATE IN THE EVENING, THEN
AREAS OF DENSE FOG TOWARD DAYBREAK. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
AREAS OF DENSE FOG IN THE MORNING. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTHWEST WIND 5 KNOTS BECOMING NORTH EARLY IN THE
AFTERNOON, THEN BECOMING SOUTHEAST LATE IN THE AFTERNOON. MOSTLY
SUNNY. WAVES 1 FOOT OR LESS.
LSZ121-011000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1153 PM CDT MON AUG 31 2026
REST OF TONIGHT
WEST WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. PATCHY FOG LATE IN THE EVENING. WAVES 1 FOOT OR LESS.
TUESDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
WEST WIND 5 TO 10 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ148-011000-
OAK POINT TO SAXON HARBOR WI-
1153 PM CDT MON AUG 31 2026
REST OF TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING
SOUTHWEST 5 KNOTS AFTER MIDNIGHT. AREAS OF DENSE FOG LATE IN THE
EVENING, THEN PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST WITH GUSTS TO AROUND 20 KNOTS LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
WEST WIND 5 TO 10 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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