072
FZUS53 KDLH 152218
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
518 PM CDT TUE SEP 15 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.
LSZ140-160400-
GRAND PORTAGE TO GRAND MARAIS MN-
518 PM CDT TUE SEP 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
BECOMING NORTHWEST 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
LATE IN THE NIGHT. MOSTLY CLEAR. WAVES 3 TO 5 FEET SUBSIDING TO
1 TO 2 FEET AFTER MIDNIGHT.
WEDNESDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTH IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING WEST LATE IN
THE EVENING, THEN BECOMING SOUTH AFTER MIDNIGHT BECOMING WEST
EARLY IN THE MORNING. CHANCE OF RAIN SHOWERS IN THE EVENING.
SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
THURSDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
LSZ141-160400-
GRAND MARAIS TO TACONITE HARBOR MN-
518 PM CDT TUE SEP 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TONIGHT
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 25 KNOTS
BECOMING NORTHWEST LATE IN THE NIGHT. MOSTLY CLEAR. WAVES 1 TO
3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING AND
OVERNIGHT.
WEDNESDAY
NORTHWEST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHEAST 5 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. CHANCE OF RAIN SHOWERS IN THE
EVENING. SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
THURSDAY
NORTHWEST WIND 5 KNOTS BECOMING WEST IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ142-160400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
518 PM CDT TUE SEP 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TONIGHT
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHWEST LATE IN THE NIGHT. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
WEDNESDAY
NORTH WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHEAST 5 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. CHANCE OF RAIN SHOWERS IN THE
EVENING. SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
THURSDAY
NORTHWEST WIND 5 KNOTS BECOMING WEST IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ143-160400-
SILVER BAY HARBOR TO TWO HARBORS MN-
518 PM CDT TUE SEP 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
WEDNESDAY
NORTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS UNTIL EARLY
MORNING BECOMING VARIABLE 10 KNOTS OR LESS. CHANCE OF RAIN
SHOWERS IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ144-160400-
TWO HARBORS TO DULUTH MN-
518 PM CDT TUE SEP 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST LATE IN THE
NIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
WEDNESDAY
NORTH WIND 5 KNOTS BECOMING EAST IN THE LATE MORNING
AND AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN
SHOWERS. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHWEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ145-160400-
DULUTH MN TO PORT WING WI-
518 PM CDT TUE SEP 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST LATE IN THE
NIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTH WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
MORNING AND AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR
LESS.
WEDNESDAY NIGHT
EAST WIND 5 TO 10 KNOTS EASING TO 5 KNOTS
EARLY IN THE MORNING. CHANCE OF RAIN SHOWERS IN THE EVENING.
SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
THURSDAY
SOUTHWEST WIND 5 KNOTS BECOMING NORTH LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ146-160400-
PORT WING TO SAND ISLAND WI-
518 PM CDT TUE SEP 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHWEST 5 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES
1 TO 3 FEET.
WEDNESDAY
NORTH WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 TO 10 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. CHANCE OF RAIN SHOWERS IN THE
EVENING. SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
THURSDAY
WEST WIND 5 KNOTS BECOMING NORTHWEST IN THE LATE
MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ147-160400-
SAND ISLAND TO BAYFIELD WI-
518 PM CDT TUE SEP 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
EASING TO 5 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN
BECOMING NORTHWEST LATE IN THE NIGHT. MOSTLY CLEAR. WAVES 1 TO
3 FEET.
WEDNESDAY
NORTH WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING EAST 5 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 KNOTS BECOMING SOUTHEAST EARLY IN
THE MORNING. CHANCE OF RAIN SHOWERS. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHWEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ150-160400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
518 PM CDT TUE SEP 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHWEST 5 TO 10 KNOTS LATE IN THE NIGHT. MOSTLY CLEAR.
WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING
AND OVERNIGHT.
WEDNESDAY
NORTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH EARLY
IN THE MORNING. CHANCE OF RAIN SHOWERS IN THE EVENING. SLIGHT
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ121-160400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
518 PM CDT TUE SEP 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TONIGHT
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHWEST LATE IN THE NIGHT. MOSTLY CLEAR. WAVES 1 FOOT
OR LESS.
WEDNESDAY
NORTHWEST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING EAST 5 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. CHANCE OF RAIN SHOWERS. WAVES
1 FOOT OR LESS.
THURSDAY
WEST WIND 5 KNOTS BECOMING NORTH IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ148-160400-
OAK POINT TO SAXON HARBOR WI-
518 PM CDT TUE SEP 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM CDT THIS EVENING
TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST LATE IN THE
NIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTHWEST WIND 5 KNOTS BECOMING NORTHEAST LATE IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH EARLY
IN THE MORNING. CHANCE OF RAIN SHOWERS. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 5 KNOTS BECOMING NORTH 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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