609
FZUS53 KDLH 272200
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
500 PM CDT MON JUL 27 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.
LSZ140-280400-
GRAND PORTAGE TO GRAND MARAIS MN-
500 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTH LATE IN THE
NIGHT. PATCHY FOG IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO
2 FEET.
TUESDAY
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
MORNING, THEN BECOMING SOUTHWEST IN THE AFTERNOON. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHWEST WIND 5 KNOTS. PATCHY FOG AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTHEAST IN THE
LATE MORNING AND AFTERNOON. PATCHY FOG IN THE MORNING. WAVES
1 FOOT OR LESS.
LSZ141-280400-
GRAND MARAIS TO TACONITE HARBOR MN-
500 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
TONIGHT
NORTHWEST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
WEST, THEN BECOMING NORTH AFTER MIDNIGHT BECOMING VARIABLE
10 KNOTS OR LESS. PATCHY FOG. WAVES 1 TO 2 FEET.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS EARLY IN THE MORNING
BECOMING EAST 5 KNOTS, THEN BECOMING SOUTH EARLY IN THE AFTERNOON
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TUESDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PATCHY FOG IN
THE EVENING. AREAS OF FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST
5 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING
EAST LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES
1 FOOT OR LESS.
LSZ142-280400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
500 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
TONIGHT
NORTHWEST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
WEST, THEN BECOMING NORTH AFTER MIDNIGHT BECOMING VARIABLE
10 KNOTS OR LESS. PATCHY FOG. WAVES 1 TO 2 FEET.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS. PARTLY SUNNY. WAVES
1 FOOT OR LESS.
TUESDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PATCHY FOG.
WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
LSZ143-280400-
SILVER BAY HARBOR TO TWO HARBORS MN-
500 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
NORTH WIND 5 TO 10 KNOTS UNTIL EARLY MORNING BECOMING
VARIABLE 10 KNOTS OR LESS. PATCHY FOG. WAVES 1 TO 3 FEET.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES
1 FOOT OR LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PATCHY FOG THROUGH THE NIGHT. WAVES
1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST
5 KNOTS IN THE AFTERNOON. AREAS OF FOG IN THE MORNING. WAVES
1 FOOT OR LESS.
LSZ144-280400-
TWO HARBORS TO DULUTH MN-
500 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS BECOMING VARIABLE
10 KNOTS OR LESS. PATCHY FOG EARLY IN THE EVENING. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTH 5 KNOTS
LATE IN THE MORNING, THEN BECOMING SOUTHEAST EARLY IN THE
AFTERNOON BECOMING EAST LATE IN THE AFTERNOON. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. PATCHY FOG AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. PATCHY FOG IN THE
MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ145-280400-
DULUTH MN TO PORT WING WI-
500 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. PATCHY FOG EARLY IN THE
EVENING. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET AFTER
MIDNIGHT.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. PATCHY FOG AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. PATCHY FOG IN THE
MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ146-280400-
PORT WING TO SAND ISLAND WI-
500 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING VARIABLE
10 KNOTS OR LESS. PATCHY FOG LATE IN THE NIGHT. WAVES 1 TO
3 FEET.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES
1 FOOT OR LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. AREAS OF FOG AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. AREAS OF FOG IN THE MORNING. WAVES
1 FOOT OR LESS.
LSZ147-280400-
SAND ISLAND TO BAYFIELD WI-
500 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
EAST WIND 5 KNOTS IN THE EVENING BECOMING VARIABLE
10 KNOTS OR LESS. PATCHY FOG LATE IN THE NIGHT. WAVES 1 TO
3 FEET.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR
LESS.
TUESDAY NIGHT
SOUTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. PATCHY FOG AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST
5 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT
OR LESS.
LSZ150-280400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
500 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTH IN THE
LATE EVENING AND EARLY MORNING, THEN BECOMING VARIABLE 10 KNOTS
OR LESS LATE IN THE NIGHT. PATCHY FOG IN THE LATE EVENING AND
OVERNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET AFTER
MIDNIGHT.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR
LESS.
TUESDAY NIGHT
EAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PATCHY FOG AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST
5 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT
OR LESS.
LSZ121-280400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
500 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
EAST WIND 5 TO 10 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PATCHY FOG LATE IN THE NIGHT. WAVES
1 TO 2 FEET.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR
LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. PATCHY FOG AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
WEDNESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST
5 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT
OR LESS.
LSZ148-280400-
OAK POINT TO SAXON HARBOR WI-
500 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING VARIABLE
10 KNOTS OR LESS. PATCHY FOG EARLY IN THE EVENING. PATCHY FOG
AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET AFTER
MIDNIGHT.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR
LESS.
TUESDAY NIGHT
EAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHWEST 5 KNOTS EARLY
IN THE MORNING. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING EAST 5 KNOTS IN THE
AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page