830
FZUS53 KDLH 091823
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
122 PM CDT WED SEP 9 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.
LSZ140-092200-
GRAND PORTAGE TO GRAND MARAIS MN-
122 PM CDT WED SEP 9 2026
..GALE WARNING IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
WEST WIND 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS. MOSTLY SUNNY. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO
9 FEET.
TONIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS
BECOMING NORTHWEST 5 TO 10 KNOTS EARLY IN THE MORNING. MOSTLY
CLEAR. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.
A SMALL CRAFT ADVISORY MAY BE NEEDED.
THURSDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE AFTERNOON. SUNNY.
WAVES 1 TO 2 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING THEN 20 KNOTS AFTER MIDNIGHT, THEN
INCREASING TO 25 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. WAVES
1 TO 2 FEET BUILDING TO 1 TO 3 FEET EARLY IN THE MORNING.
LSZ141-092200-
GRAND MARAIS TO TACONITE HARBOR MN-
122 PM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS LATE. MOSTLY SUNNY. WAVES 3 TO 5 FEET.
TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS. MOSTLY
CLEAR. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE
EVENING AND OVERNIGHT.
THURSDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING EAST LATE IN
THE EVENING, THEN BECOMING SOUTHWEST AFTER MIDNIGHT. PARTLY
CLOUDY. WAVES 1 FOOT OR LESS.
LSZ142-092200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
122 PM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS LATE. MOSTLY SUNNY. WAVES 1 TO 3 FEET.
TONIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 25 KNOTS. MOSTLY
CLEAR. WAVES 1 TO 2 FEET.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTH IN THE LATE MORNING
AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST IN
THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR
LESS.
LSZ143-092200-
SILVER BAY HARBOR TO TWO HARBORS MN-
122 PM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. SUNNY. WAVES 1 TO 3 FEET.
TONIGHT
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 25 KNOTS EARLY IN
THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
LSZ144-092200-
TWO HARBORS TO DULUTH MN-
122 PM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. SUNNY. WAVES 1 TO 3 FEET.
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
EASING TO 5 KNOTS EARLY IN THE MORNING. CLEAR. WAVES 1 TO 2 FEET.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ145-092200-
DULUTH MN TO PORT WING WI-
122 PM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. SUNNY. WAVES 2 TO 4 FEET.
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
EASING TO 5 KNOTS EARLY IN THE MORNING. CLEAR. WAVES 1 TO 3 FEET.
THURSDAY
SOUTHWEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ146-092200-
PORT WING TO SAND ISLAND WI-
122 PM CDT WED SEP 9 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. SUNNY. WAVES 2 TO 4 FEET.
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE
EVENING AND OVERNIGHT. CLEAR. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO
2 FEET IN THE LATE EVENING AND OVERNIGHT.
THURSDAY
SOUTHWEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ147-092200-
SAND ISLAND TO BAYFIELD WI-
122 PM CDT WED SEP 9 2026
..GALE WARNING IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS LATE. SUNNY. WAVES 2 TO 4 FEET.
TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS. CLEAR.
WAVES 1 TO 3 FEET.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ150-092200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
122 PM CDT WED SEP 9 2026
..GALE WARNING IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
WEST WIND 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS. SUNNY. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET.
TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS. CLEAR.
WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING
AND OVERNIGHT.
THURSDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ121-092200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
122 PM CDT WED SEP 9 2026
..GALE WARNING IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
EASING TO 5 KNOTS EARLY IN THE MORNING. CLEAR. WAVES 1 FOOT OR
LESS.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ148-092200-
OAK POINT TO SAXON HARBOR WI-
122 PM CDT WED SEP 9 2026
..GALE WARNING IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
WEST WIND 15 TO 20 KNOTS WITH GALES TO AROUND
35 KNOTS. SUNNY. WAVES 2 TO 4 FEET.
TONIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS. CLEAR.
WAVES 1 TO 3 FEET.
THURSDAY
WEST WIND 5 KNOTS BECOMING NORTHEAST EARLY IN THE
AFTERNOON, THEN BECOMING SOUTHEAST LATE IN THE AFTERNOON. SUNNY.
WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS RISING TO 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS AFTER MIDNIGHT. MOSTLY
CLEAR. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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