441
FZUS53 KDLH 232012
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
311 PM CDT FRI OCT 23 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.
LSZ140-240400-
GRAND PORTAGE TO GRAND MARAIS MN-
311 PM CDT FRI OCT 23 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 1 AM CDT SATURDAY
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. WIDESPREAD
DENSE FOG IN THE EVENING, THEN PATCHY DENSE FOG AFTER MIDNIGHT.
AREAS OF DENSE FOG LATE IN THE NIGHT. SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
SATURDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 25 KNOTS IN THE
AFTERNOON. PATCHY FOG IN THE MORNING. CHANCE OF RAIN SHOWERS IN
THE AFTERNOON. WAVES 2 TO 4 FEET. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
SATURDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 TO 10 KNOTS AFTER MIDNIGHT. CHANCE OF RAIN
SHOWERS IN THE EVENING. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
2 FEET AFTER MIDNIGHT.
SUNDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ141-240400-
GRAND MARAIS TO TACONITE HARBOR MN-
311 PM CDT FRI OCT 23 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 1 AM CDT SATURDAY
TONIGHT
EAST WIND 5 TO 10 KNOTS. WIDESPREAD DENSE FOG IN THE
EVENING. PATCHY DENSE FOG AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE NIGHT.
WAVES 1 TO 2 FEET.
SATURDAY
EAST WIND 10 TO 15 KNOTS BECOMING SOUTHWEST 5 TO
10 KNOTS WITH GUSTS TO AROUND 20 KNOTS LATE IN THE AFTERNOON.
PATCHY FOG IN THE MORNING. RAIN SHOWERS LIKELY IN THE AFTERNOON.
WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET IN THE LATE MORNING AND
AFTERNOON.
SATURDAY NIGHT
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST AFTER MIDNIGHT. CHANCE OF RAIN
SHOWERS IN THE EVENING. WAVES 1 TO 2 FEET.
SUNDAY
WEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 TO
2 FEET.
LSZ142-240400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
311 PM CDT FRI OCT 23 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 1 AM CDT SATURDAY
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. WIDESPREAD DENSE FOG IN
THE EVENING. PATCHY DENSE FOG AFTER MIDNIGHT. SLIGHT CHANCE OF
RAIN SHOWERS LATE IN THE EVENING. CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT, THEN SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE NIGHT.
WAVES 1 FOOT OR LESS.
SATURDAY
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. RAIN
SHOWERS LIKELY IN THE AFTERNOON. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST IN
THE LATE EVENING AND OVERNIGHT. CHANCE OF RAIN SHOWERS IN THE
EVENING. WAVES 1 TO 2 FEET.
SUNDAY
WEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ143-240400-
SILVER BAY HARBOR TO TWO HARBORS MN-
311 PM CDT FRI OCT 23 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 1 AM CDT SATURDAY
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. WIDESPREAD DENSE FOG IN
THE EVENING. CHANCE OF RAIN SHOWERS IN THE LATE EVENING AND EARLY
MORNING. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTHEAST WIND 10 TO 15 KNOTS BECOMING SOUTHWEST 5 TO
10 KNOTS LATE IN THE AFTERNOON. GUSTS UP TO 20 KNOTS. RAIN
SHOWERS LIKELY IN THE AFTERNOON. WAVES 1 TO 3 FEET.
SATURDAY NIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. CHANCE OF RAIN SHOWERS IN THE EVENING.
WAVES 1 TO 2 FEET.
SUNDAY
WEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ144-240400-
TWO HARBORS TO DULUTH MN-
311 PM CDT FRI OCT 23 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
EAST WIND 5 TO 10 KNOTS RISING TO 10 TO 15 KNOTS WITH
GUSTS TO AROUND 20 KNOTS LATE IN THE NIGHT. WIDESPREAD DENSE FOG
IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE
EVENING. CHANCE OF RAIN SHOWERS LATE IN THE EVENING, THEN SLIGHT
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
SATURDAY
SOUTHEAST WIND 10 TO 15 KNOTS BECOMING WEST LATE IN
THE AFTERNOON. GUSTS UP TO 20 KNOTS. RAIN SHOWERS LIKELY IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
SATURDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. CHANCE OF RAIN SHOWERS IN THE EVENING.
WAVES 1 TO 2 FEET.
SUNDAY
WEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ145-240400-
DULUTH MN TO PORT WING WI-
311 PM CDT FRI OCT 23 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING SOUTHEAST WITH GUSTS TO AROUND 25 KNOTS LATE IN THE
NIGHT. PATCHY DENSE FOG EARLY IN THE EVENING. SLIGHT CHANCE OF
RAIN SHOWERS EARLY IN THE EVENING, THEN CHANCE OF RAIN SHOWERS
LATE IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 2 FEET.
SATURDAY
SOUTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS IN THE AFTERNOON. CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. CHANCE OF RAIN SHOWERS IN THE EVENING.
WAVES 1 TO 2 FEET.
SUNDAY
WEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ146-240400-
PORT WING TO SAND ISLAND WI-
311 PM CDT FRI OCT 23 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH 10 TO 15 KNOTS
WITH GUSTS TO AROUND 25 KNOTS LATE IN THE NIGHT. PATCHY DENSE FOG
EARLY IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS IN THE LATE
EVENING AND EARLY MORNING. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 25 KNOTS IN THE
AFTERNOON. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO
2 FEET.
SATURDAY NIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. CHANCE OF RAIN SHOWERS IN THE EVENING.
WAVES 1 TO 2 FEET.
SUNDAY
WEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ147-240400-
SAND ISLAND TO BAYFIELD WI-
311 PM CDT FRI OCT 23 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH WITH GUSTS
TO AROUND 20 KNOTS LATE IN THE NIGHT. PATCHY DENSE FOG EARLY IN
THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS IN THE LATE EVENING
AND OVERNIGHT. 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.
SATURDAY NIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. CHANCE OF RAIN SHOWERS IN THE EVENING.
WAVES 1 TO 2 FEET.
SUNDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ150-240400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
311 PM CDT FRI OCT 23 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. WIDESPREAD
DENSE FOG EARLY IN THE EVENING. PATCHY DENSE FOG LATE IN THE
EVENING. SLIGHT CHANCE OF RAIN SHOWERS 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. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
1 TO 2 FEET BUILDING TO 1 TO 3 FEET IN THE LATE MORNING AND EARLY
AFTERNOON, THEN SUBSIDING TO 1 TO 2 FEET LATE IN THE AFTERNOON.
SATURDAY NIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. CHANCE OF RAIN SHOWERS IN THE EVENING.
WAVES 1 TO 2 FEET.
SUNDAY
WEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 TO
2 FEET.
LSZ121-240400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
311 PM CDT FRI OCT 23 2026
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH WITH GUSTS TO
AROUND 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. PATCHY FOG
EARLY IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS IN THE LATE
EVENING AND OVERNIGHT. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO
2 FEET.
SATURDAY NIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. CHANCE OF RAIN SHOWERS IN THE EVENING.
WAVES 1 FOOT OR LESS.
SUNDAY
WEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ148-240400-
OAK POINT TO SAXON HARBOR WI-
311 PM CDT FRI OCT 23 2026
TONIGHT
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
PATCHY FOG EARLY IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS LATE IN THE MORNING, THEN DECREASING TO
25 KNOTS IN THE AFTERNOON. CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
WEST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS
IN THE EVENING. WAVES 1 FOOT OR LESS.
SUNDAY
WEST WIND 5 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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