402
FZUS53 KDLH 221905
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
205 PM CDT THU OCT 22 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.
LSZ140-230400-
GRAND PORTAGE TO GRAND MARAIS MN-
205 PM CDT THU OCT 22 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT FRIDAY
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. AREAS OF DENSE FOG IN
THE EVENING, THEN PATCHY FOG AFTER MIDNIGHT. AREAS OF DENSE FOG
LATE IN THE NIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
EAST WIND 5 KNOTS. AREAS OF DENSE FOG IN THE MORNING,
THEN PATCHY FOG IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. PATCHY FOG
IN THE EVENING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET AFTER
MIDNIGHT.
SATURDAY
SOUTH WIND 15 TO 20 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS LATE IN THE AFTERNOON. GUSTS UP TO 25 KNOTS. SLIGHT
CHANCE OF RAIN SHOWERS THROUGH THE DAY. WAVES 3 TO 5 FEET. WAVES
OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ141-230400-
GRAND MARAIS TO TACONITE HARBOR MN-
205 PM CDT THU OCT 22 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT FRIDAY
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. AREAS OF DENSE FOG
THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
EAST WIND 5 KNOTS. CHANCE OF SPRINKLES IN THE MORNING.
AREAS OF DENSE FOG IN THE MORNING, THEN PATCHY FOG IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST EARLY
IN THE MORNING. PATCHY FOG IN THE EVENING. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
SATURDAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST WITH
GUSTS TO AROUND 20 KNOTS LATE IN THE AFTERNOON. SLIGHT CHANCE OF
RAIN SHOWERS IN THE MORNING, THEN CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE
MORNING AND AFTERNOON.
LSZ142-230400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
205 PM CDT THU OCT 22 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT FRIDAY
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. AREAS OF DENSE FOG IN
THE EVENING. WIDESPREAD DENSE FOG AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
FRIDAY
NORTHEAST WIND 5 KNOTS. CHANCE OF SPRINKLES IN THE
MORNING. WIDESPREAD DENSE FOG IN THE MORNING, THEN AREAS OF DENSE
FOG IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING EAST EARLY IN THE
MORNING. PATCHY DENSE FOG IN THE EVENING. SLIGHT CHANCE OF RAIN
SHOWERS IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH
THE NIGHT. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
SATURDAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS LATE IN THE AFTERNOON.
SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING, THEN CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 1 TO 2 FEET BUILDING TO 2 TO
4 FEET IN THE LATE MORNING AND AFTERNOON.
LSZ143-230400-
SILVER BAY HARBOR TO TWO HARBORS MN-
205 PM CDT THU OCT 22 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT FRIDAY
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. AREAS OF DENSE FOG EARLY IN THE EVENING,
THEN WIDESPREAD DENSE FOG IN THE LATE EVENING AND OVERNIGHT.
WAVES 1 TO 2 FEET.
FRIDAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF SPRINKLES IN
THE MORNING. WIDESPREAD DENSE FOG IN THE MORNING, THEN PATCHY FOG
IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING EAST EARLY
IN THE MORNING. PATCHY FOG IN THE EVENING. CHANCE OF SPRINKLES IN
THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT.
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
SATURDAY
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 25 KNOTS IN THE
LATE MORNING AND AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND AFTERNOON.
LSZ144-230400-
TWO HARBORS TO DULUTH MN-
205 PM CDT THU OCT 22 2026
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. AREAS OF DENSE FOG THROUGH THE NIGHT. WAVES
1 TO 2 FEET.
FRIDAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF SPRINKLES IN
THE MORNING. AREAS OF DENSE FOG IN THE MORNING, THEN PATCHY FOG
IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. PATCHY FOG
IN THE EVENING. CHANCE OF RAIN SHOWERS IN THE EVENING. SLIGHT
CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
SATURDAY
SOUTH WIND 10 TO 15 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. GUSTS UP TO 25 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS IN
THE MORNING. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 2 TO
4 FEET.
LSZ145-230400-
DULUTH MN TO PORT WING WI-
205 PM CDT THU OCT 22 2026
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. PATCHY FOG EARLY IN THE EVENING, THEN AREAS
OF DENSE FOG IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO
2 FEET.
FRIDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. AREAS OF DENSE FOG IN THE MORNING, THEN PATCHY
FOG IN THE AFTERNOON. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS AFTER MIDNIGHT. AREAS OF
DENSE FOG IN THE EVENING. CHANCE OF RAIN SHOWERS IN THE EVENING.
SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. SLIGHT CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
SATURDAY
SOUTH WIND 15 TO 20 KNOTS BECOMING SOUTHWEST LATE IN
THE AFTERNOON. GUSTS UP TO 25 KNOTS. CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. WAVES 1 TO 3 FEET.
LSZ146-230400-
PORT WING TO SAND ISLAND WI-
205 PM CDT THU OCT 22 2026
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG EARLY IN THE
EVENING, THEN AREAS OF DENSE FOG IN THE LATE EVENING AND
OVERNIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
NORTHEAST WIND 5 TO 10 KNOTS. AREAS OF DENSE FOG IN THE
MORNING, THEN PATCHY FOG IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND
OVERNIGHT. CHANCE OF SPRINKLES IN THE EVENING. SLIGHT CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
SATURDAY
SOUTH WIND 10 TO 15 KNOTS BECOMING SOUTHWEST LATE IN
THE AFTERNOON. GUSTS UP TO 25 KNOTS. CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET IN THE
LATE MORNING AND AFTERNOON.
LSZ147-230400-
SAND ISLAND TO BAYFIELD WI-
205 PM CDT THU OCT 22 2026
TONIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING BECOMING
VARIABLE 10 KNOTS OR LESS. AREAS OF DENSE FOG EARLY IN THE
EVENING, THEN WIDESPREAD DENSE FOG IN THE LATE EVENING AND
OVERNIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
IN THE AFTERNOON. AREAS OF DENSE FOG IN THE MORNING. WAVES 1 FOOT
OR LESS.
FRIDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH WITH
GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 20 KNOTS LATE IN
THE AFTERNOON. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
1 TO 2 FEET.
LSZ150-230400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
205 PM CDT THU OCT 22 2026
TONIGHT
EAST WIND 5 TO 10 KNOTS. CHANCE OF SPRINKLES EARLY IN
THE EVENING. AREAS OF DENSE FOG IN THE EVENING. WIDESPREAD DENSE
FOG AFTER MIDNIGHT, THEN AREAS OF DENSE FOG LATE IN THE NIGHT.
WAVES 1 FOOT OR LESS.
FRIDAY
EAST WIND 5 KNOTS. AREAS OF DENSE FOG IN THE MORNING,
THEN PATCHY FOG IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
SATURDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 20 KNOTS LATE IN
THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND
AFTERNOON.
LSZ121-230400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
205 PM CDT THU OCT 22 2026
TONIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. AREAS OF DENSE FOG EARLY IN THE
EVENING, THEN WIDESPREAD DENSE FOG IN THE LATE EVENING AND
OVERNIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST 5 TO
10 KNOTS IN THE LATE MORNING AND AFTERNOON. AREAS OF DENSE FOG IN
THE MORNING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF SPRINKLES IN THE EVENING. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO
2 FEET.
LSZ148-230400-
OAK POINT TO SAXON HARBOR WI-
205 PM CDT THU OCT 22 2026
TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST AFTER
MIDNIGHT. AREAS OF DENSE FOG EARLY IN THE EVENING, THEN
WIDESPREAD DENSE FOG IN THE LATE EVENING AND EARLY MORNING. AREAS
OF DENSE FOG LATE IN THE NIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHEAST WIND 5 KNOTS. AREAS OF DENSE FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
CHANCE OF SPRINKLES IN THE EVENING. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
SATURDAY
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. SLIGHT CHANCE
OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page