232
FZUS53 KDLH 191718
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1218 PM CDT SAT SEP 19 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.
LSZ140-192200-
GRAND PORTAGE TO GRAND MARAIS MN-
1218 PM CDT SAT SEP 19 2026
REST OF TODAY
SOUTHEAST WIND 5 KNOTS. PARTLY SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTHWEST LATE IN THE
EVENING, THEN BECOMING NORTH 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS. WAVES
1 TO 2 FEET.
SUNDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING EAST 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
SUNDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET.
LSZ141-192200-
GRAND MARAIS TO TACONITE HARBOR MN-
1218 PM CDT SAT SEP 19 2026
REST OF TODAY
EAST WIND 5 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHWEST
5 KNOTS LATE IN THE EVENING, THEN BECOMING NORTH 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF
RAIN SHOWERS. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 10 TO 15 KNOTS BECOMING EAST IN THE
AFTERNOON. GUSTS UP TO 20 KNOTS. MOSTLY SUNNY. WAVES 1 TO 3 FEET.
SUNDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET.
LSZ142-192200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1218 PM CDT SAT SEP 19 2026
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTH 5 TO
10 KNOTS IN THE LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING EAST WITH GUSTS TO AROUND 25 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET BUILDING TO 1 TO
3 FEET IN THE AFTERNOON.
SUNDAY NIGHT
EAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
1 TO 3 FEET.
LSZ143-192200-
SILVER BAY HARBOR TO TWO HARBORS MN-
1218 PM CDT SAT SEP 19 2026
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. PARTLY SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING EAST 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET
BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND AFTERNOON. A
SMALL CRAFT ADVISORY MAY BE NEEDED.
SUNDAY NIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET AFTER MIDNIGHT.
LSZ144-192200-
TWO HARBORS TO DULUTH MN-
1218 PM CDT SAT SEP 19 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. PARTLY SUNNY. WAVES 1 TO 3 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 2 FEET.
SUNDAY
NORTHEAST WIND 15 TO 20 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. PARTLY SUNNY.
WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET IN THE LATE MORNING AND
AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SUNDAY NIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET AFTER MIDNIGHT.
LSZ145-192200-
DULUTH MN TO PORT WING WI-
1218 PM CDT SAT SEP 19 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. PARTLY SUNNY. WAVES 1 TO 3 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 2 FEET.
SUNDAY
NORTHEAST WIND 15 TO 20 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. MOSTLY CLOUDY.
WAVES 3 TO 5 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SUNDAY NIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
UNTIL EARLY MORNING. MOSTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET AFTER MIDNIGHT.
LSZ146-192200-
PORT WING TO SAND ISLAND WI-
1218 PM CDT SAT SEP 19 2026
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. PARTLY SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 KNOTS RISING TO 10 TO 15 KNOTS WITH
GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 15 TO 20 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. PARTLY SUNNY.
WAVES 3 TO 5 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SUNDAY NIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET IN THE LATE EVENING AND OVERNIGHT.
LSZ147-192200-
SAND ISLAND TO BAYFIELD WI-
1218 PM CDT SAT SEP 19 2026
REST OF TODAY
NORTHEAST WIND 5 KNOTS. PARTLY SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTH IN THE LATE
EVENING AND EARLY MORNING, THEN BECOMING NORTHEAST 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE
OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 15 TO 20 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. PARTLY SUNNY.
WAVES 3 TO 5 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SUNDAY NIGHT
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN
THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING AND OVERNIGHT.
LSZ150-192200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1218 PM CDT SAT SEP 19 2026
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTH 10 TO 15 KNOTS
WITH GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND OVERNIGHT.
SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
SUNDAY
NORTHEAST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS. PARTLY SUNNY. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO
9 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SUNDAY NIGHT
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 4 TO 6 FEET SUBSIDING TO
1 TO 3 FEET. WAVES OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY
MAY BE NEEDED.
LSZ121-192200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1218 PM CDT SAT SEP 19 2026
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTH 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 3 FEET. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
SUNDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS BECOMING EAST 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
LSZ148-192200-
OAK POINT TO SAXON HARBOR WI-
1218 PM CDT SAT SEP 19 2026
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS RISING TO 10 TO 15 KNOTS WITH
GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS. MOSTLY CLOUDY. WAVES 2 TO 4 FEET BUILDING TO 4 TO
6 FEET IN THE LATE MORNING AND AFTERNOON. WAVES OCCASIONALLY TO
8 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SUNDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS BECOMING EAST 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 4 TO 6 FEET
SUBSIDING TO 1 TO 2 FEET. WAVES OCCASIONALLY TO 7 FEET. A SMALL
CRAFT ADVISORY MAY BE NEEDED.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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