372
FZUS53 KDLH 222213
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
513 PM CDT TUE SEP 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-
513 PM CDT TUE SEP 22 2026
TONIGHT
EAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING SOUTHEAST LATE IN THE NIGHT. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
WEDNESDAY
SOUTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 TO
2 FEET.
WEDNESDAY NIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTH WITH GUSTS TO AROUND 20 KNOTS AFTER
MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET
AFTER MIDNIGHT.
THURSDAY
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE IN
THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
WAVES 1 TO 2 FEET.
LSZ141-230400-
GRAND MARAIS TO TACONITE HARBOR MN-
513 PM CDT TUE SEP 22 2026
TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
EASING TO 5 KNOTS LATE IN THE NIGHT. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
WEDNESDAY
EAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH EARLY
IN THE MORNING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
SOUTH WIND 5 TO 10 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO
2 FEET.
LSZ142-230400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
513 PM CDT TUE SEP 22 2026
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHEAST LATE IN THE NIGHT. MOSTLY CLEAR.
WAVES 1 TO 3 FEET.
WEDNESDAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST WITH GUSTS TO
AROUND 20 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTH EARLY
IN THE MORNING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
SOUTH WIND 5 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
LSZ143-230400-
SILVER BAY HARBOR TO TWO HARBORS MN-
513 PM CDT TUE SEP 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING EAST 5 KNOTS AFTER MIDNIGHT, THEN BECOMING
SOUTHEAST LATE IN THE NIGHT. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
WEDNESDAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST 10 TO 15 KNOTS
WITH GUSTS TO AROUND 25 KNOTS IN THE AFTERNOON. SUNNY. WAVES 1 TO
2 FEET.
WEDNESDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS BECOMING EAST 5 KNOTS AFTER MIDNIGHT, THEN
BECOMING SOUTH EARLY IN THE MORNING. MOSTLY CLEAR IN THE EVENING
THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE DAY. WAVES
1 FOOT OR LESS.
LSZ144-230400-
TWO HARBORS TO DULUTH MN-
513 PM CDT TUE SEP 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING EAST 5 TO 10 KNOTS IN THE LATE EVENING AND
EARLY MORNING, THEN BECOMING SOUTHEAST LATE IN THE NIGHT. MOSTLY
CLEAR. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE
EVENING AND OVERNIGHT.
WEDNESDAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST 10 TO 15 KNOTS
WITH GUSTS TO AROUND 25 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE
MORNING. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING SOUTHEAST 5 TO 10 KNOTS AFTER MIDNIGHT. MOSTLY
CLEAR IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO
3 FEET.
THURSDAY
SOUTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS
IN THE MORNING, THEN SLIGHT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ145-230400-
DULUTH MN TO PORT WING WI-
513 PM CDT TUE SEP 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING EAST 5 TO 10 KNOTS IN THE LATE EVENING AND
EARLY MORNING, THEN BECOMING SOUTHEAST LATE IN THE NIGHT. MOSTLY
CLEAR. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE
EVENING AND OVERNIGHT.
WEDNESDAY
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. PATCHY
FOG IN THE MORNING. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHEAST 5 TO 10 KNOTS AFTER MIDNIGHT. MOSTLY
CLEAR IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO
2 FEET.
THURSDAY
SOUTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS THROUGH THE DAY. WAVES 1 FOOT OR LESS.
LSZ146-230400-
PORT WING TO SAND ISLAND WI-
513 PM CDT TUE SEP 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TONIGHT
EAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING SOUTHEAST AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO
3 FEET.
WEDNESDAY
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST WITH GUSTS
TO AROUND 20 KNOTS IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
EAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTH AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 1 TO
2 FEET.
THURSDAY
SOUTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ147-230400-
SAND ISLAND TO BAYFIELD WI-
513 PM CDT TUE SEP 22 2026
TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING SOUTHEAST 5 TO 10 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR.
WAVES 1 TO 3 FEET.
WEDNESDAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST WITH GUSTS TO
AROUND 20 KNOTS IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH
AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE IN
THE AFTERNOON. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ150-230400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
513 PM CDT TUE SEP 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TONIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
BECOMING SOUTHEAST 5 TO 10 KNOTS AFTER MIDNIGHT. CLEAR. WAVES
1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET LATE IN THE NIGHT.
WEDNESDAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST WITH GUSTS TO
AROUND 20 KNOTS IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH
WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES
1 TO 2 FEET.
THURSDAY
SOUTH WIND 5 TO 10 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ121-230400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
513 PM CDT TUE SEP 22 2026
TONIGHT
EAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING SOUTH AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
WEDNESDAY
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH
AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTH WIND 5 KNOTS. MOSTLY CLOUDY. WAVES 1 FOOT OR
LESS.
LSZ148-230400-
OAK POINT TO SAXON HARBOR WI-
513 PM CDT TUE SEP 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHEAST IN THE LATE EVENING AND OVERNIGHT.
MOSTLY CLEAR. WAVES 1 TO 3 FEET.
WEDNESDAY
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH IN
THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
THURSDAY
SOUTH WIND 5 KNOTS. MOSTLY CLOUDY. WAVES 1 FOOT OR
LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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