224
FZUS53 KDLH 231448
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
948 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.
LSZ140-232200-
GRAND PORTAGE TO GRAND MARAIS MN-
948 AM CDT THU OCT 23 2025
REST OF TODAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SCATTERED SPRINKLES THROUGH THE DAY. 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
NORTH 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.
LSZ141-232200-
GRAND MARAIS TO TACONITE HARBOR MN-
948 AM CDT THU OCT 23 2025
REST OF TODAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS LATE IN THE MORNING. SCATTERED SPRINKLES THROUGH THE
DAY. 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.
LSZ142-232200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
948 AM CDT THU OCT 23 2025
REST OF TODAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS LATE IN THE MORNING. SCATTERED SPRINKLES THROUGH THE
DAY. 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.
LSZ143-232200-
SILVER BAY HARBOR TO TWO HARBORS MN-
948 AM CDT THU OCT 23 2025
REST OF TODAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS LATE IN THE MORNING. SCATTERED RAIN SHOWERS AND ISOLATED
SNOW SHOWERS LATE IN THE MORNING, THEN SCATTERED SPRINKLES EARLY
IN THE AFTERNOON. 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, THEN BECOMING SOUTHWEST 5 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WIND 5 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ144-232200-
TWO HARBORS TO DULUTH MN-
948 AM CDT THU OCT 23 2025
REST OF TODAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS LATE IN THE MORNING. ISOLATED RAIN SHOWERS AND SNOW
SHOWERS LATE IN THE MORNING, THEN SCATTERED SPRINKLES EARLY IN
THE AFTERNOON. 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
SOUTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ145-232200-
DULUTH MN TO PORT WING WI-
948 AM CDT THU OCT 23 2025
REST OF TODAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS LATE IN THE MORNING. ISOLATED RAIN SHOWERS LATE IN THE
MORNING, THEN SCATTERED SPRINKLES EARLY IN THE AFTERNOON. WAVES
1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
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. SLIGHT CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ146-232200-
PORT WING TO SAND ISLAND WI-
948 AM CDT THU OCT 23 2025
REST OF TODAY
NORTHWEST 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 AFTERNOON. SCATTERED SPRINKLES IN THE LATE
MORNING AND EARLY AFTERNOON. WAVES 1 TO 2 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. SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ147-232200-
SAND ISLAND TO BAYFIELD WI-
948 AM CDT THU OCT 23 2025
REST OF TODAY
NORTHWEST 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 AFTERNOON. SCATTERED SPRINKLES IN THE LATE
MORNING AND EARLY AFTERNOON. WAVES 1 TO 2 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. SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ150-232200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
948 AM CDT THU OCT 23 2025
REST OF TODAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS LATE IN THE MORNING THEN 20 KNOTS LATE. SCATTERED
SPRINKLES IN THE LATE MORNING AND EARLY AFTERNOON. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET LATE.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY.
WAVES 1 TO 3 FEET.
FRIDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST 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.
LSZ121-232200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
948 AM CDT THU OCT 23 2025
REST OF TODAY
NORTHWEST WIND 5 TO 10 KNOTS. SCATTERED
SPRINKLES IN THE LATE MORNING AND EARLY AFTERNOON. 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. SLIGHT CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ148-232200-
OAK POINT TO SAXON HARBOR WI-
948 AM CDT THU OCT 23 2025
REST OF TODAY
NORTHWEST WIND 10 TO 15 KNOTS EASING TO 5 TO
10 KNOTS IN THE AFTERNOON. SCATTERED RAIN SHOWERS LATE IN THE
MORNING, THEN SCATTERED SPRINKLES EARLY IN THE AFTERNOON. 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 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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