216
FZUS53 KDLH 230616
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
116 AM CDT THU OCT 23 2025
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.
LSZ140-231600-
GRAND PORTAGE TO GRAND MARAIS MN-
116 AM CDT THU OCT 23 2025
TODAY
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS IN THE LATE MORNING AND AFTERNOON. SLIGHT
CHANCE OF RAIN SHOWERS EARLY IN THE MORNING. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. WAVES 1 TO 2 FEET.
FRIDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ141-231600-
GRAND MARAIS TO TACONITE HARBOR MN-
116 AM CDT THU OCT 23 2025
TODAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS EARLY
IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
NORTHWEST WIND 5 KNOTS IN THE MORNING BECOMING VARIABLE
10 KNOTS OR LESS, THEN BECOMING SOUTHWEST 5 KNOTS LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WIND 5 KNOTS. PARTLY CLOUDY IN THE EVENING
THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ142-231600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
116 AM CDT THU OCT 23 2025
TODAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS EARLY
IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE
MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
NORTHWEST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WIND 5 KNOTS. PARTLY CLOUDY IN THE EVENING
THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ143-231600-
SILVER BAY HARBOR TO TWO HARBORS MN-
116 AM CDT THU OCT 23 2025
TODAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS EARLY
IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS AND SNOW SHOWERS
EARLY IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES 1 FOOT OR
LESS.
FRIDAY
NORTHWEST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHWEST 5 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WIND 5 KNOTS. PARTLY CLOUDY IN THE EVENING
THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ144-231600-
TWO HARBORS TO DULUTH MN-
116 AM CDT THU OCT 23 2025
TODAY
NORTHWEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS EARLY IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ145-231600-
DULUTH MN TO PORT WING WI-
116 AM CDT THU OCT 23 2025
TODAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS EARLY
IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING.
WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 TO 2 FEET.
FRIDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ146-231600-
PORT WING TO SAND ISLAND WI-
116 AM CDT THU OCT 23 2025
TODAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE MORNING THEN 20 KNOTS LATE IN THE AFTERNOON. SLIGHT CHANCE OF
RAIN SHOWERS IN THE MORNING. WAVES 1 TO 3 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
FRIDAY
NORTHWEST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHWEST 5 KNOTS LATE
IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WIND 5 KNOTS. PARTLY CLOUDY IN THE EVENING
THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ147-231600-
SAND ISLAND TO BAYFIELD WI-
116 AM CDT THU OCT 23 2025
TODAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE MORNING THEN 20 KNOTS LATE IN THE AFTERNOON. SLIGHT CHANCE OF
RAIN SHOWERS IN THE MORNING. WAVES 1 TO 3 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
FRIDAY
NORTHWEST WIND 5 KNOTS IN THE MORNING BECOMING VARIABLE
10 KNOTS OR LESS, THEN BECOMING SOUTHWEST 5 KNOTS LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WIND 5 KNOTS. PARTLY CLOUDY IN THE EVENING
THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ150-231600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
116 AM CDT THU OCT 23 2025
TODAY
NORTHWEST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS IN
THE AFTERNOON. GUSTS UP TO 20 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS IN THE MORNING. WAVES 2 TO 4 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLOUDY. WAVES 1 TO 3 FEET SUBSIDING
TO 1 TO 2 FEET AFTER MIDNIGHT.
FRIDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
FRIDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ121-231600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
116 AM CDT THU OCT 23 2025
TODAY
NORTHWEST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS
EARLY IN THE MORNING, THEN SLIGHT CHANCE OF RAIN SHOWERS LATE IN
THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
WEST WIND 5 KNOTS IN THE MORNING BECOMING VARIABLE
10 KNOTS OR LESS, THEN BECOMING SOUTH 5 KNOTS LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WIND 5 KNOTS. PARTLY CLOUDY IN THE EVENING
THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ148-231600-
OAK POINT TO SAXON HARBOR WI-
116 AM CDT THU OCT 23 2025
TODAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 TO 10 KNOTS IN THE AFTERNOON. CHANCE OF RAIN
SHOWERS EARLY IN THE MORNING, THEN SLIGHT CHANCE OF RAIN SHOWERS
LATE IN THE MORNING. WAVES 1 TO 3 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
1 TO 2 FEET.
FRIDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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