603
FZUS53 KDLH 251317
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
817 AM CDT THU JUN 25 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.
LSZ140-252200-
GRAND PORTAGE TO GRAND MARAIS MN-
817 AM CDT THU JUN 25 2026
REST OF TODAY
NORTHEAST WIND 5 KNOTS BECOMING SOUTH EARLY IN
THE AFTERNOON, THEN BECOMING SOUTHWEST LATE. CHANCE OF SPRINKLES
IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ141-252200-
GRAND MARAIS TO TACONITE HARBOR MN-
817 AM CDT THU JUN 25 2026
REST OF TODAY
NORTHEAST WIND 5 KNOTS BECOMING EAST LATE IN THE
MORNING, THEN BECOMING NORTH EARLY IN THE AFTERNOON BECOMING WEST
LATE. CHANCE OF SPRINKLES IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS. CHANCE OF SPRINKLES
IN THE EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ142-252200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
817 AM CDT THU JUN 25 2026
REST OF TODAY
VARIABLE WINDS 10 KNOTS OR LESS. CHANCE OF
SPRINKLES EARLY IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING
NORTHEAST 5 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ143-252200-
SILVER BAY HARBOR TO TWO HARBORS MN-
817 AM CDT THU JUN 25 2026
REST OF TODAY
NORTHEAST WIND 5 KNOTS EARLY IN THE MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. PARTLY SUNNY EARLY IN THE
MORNING THEN CLEARING. WAVES 1 FOOT OR LESS.
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST 5 TO
10 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ144-252200-
TWO HARBORS TO DULUTH MN-
817 AM CDT THU JUN 25 2026
REST OF TODAY
NORTHEAST WIND 5 KNOTS. MOSTLY CLOUDY EARLY IN
THE MORNING THEN CLEARING. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ145-252200-
DULUTH MN TO PORT WING WI-
817 AM CDT THU JUN 25 2026
REST OF TODAY
NORTHEAST WIND 5 KNOTS. MOSTLY CLOUDY EARLY IN
THE MORNING THEN CLEARING. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ146-252200-
PORT WING TO SAND ISLAND WI-
817 AM CDT THU JUN 25 2026
REST OF TODAY
NORTHEAST WIND 5 KNOTS. MOSTLY CLOUDY EARLY IN
THE MORNING THEN CLEARING. WAVES 1 FOOT OR LESS.
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST 5 TO
10 KNOTS IN THE LATE MORNING AND AFTERNOON. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ147-252200-
SAND ISLAND TO BAYFIELD WI-
817 AM CDT THU JUN 25 2026
REST OF TODAY
NORTHEAST WIND 5 KNOTS EARLY IN THE MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY EARLY IN THE
MORNING THEN CLEARING. WAVES 1 FOOT OR LESS.
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS.
LSZ150-252200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
817 AM CDT THU JUN 25 2026
REST OF TODAY
NORTHEAST WIND 5 KNOTS EARLY IN THE MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY EARLY IN THE
MORNING THEN BECOMING MOSTLY SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ121-252200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
817 AM CDT THU JUN 25 2026
REST OF TODAY
NORTHEAST WIND 5 KNOTS. MOSTLY CLOUDY EARLY IN
THE MORNING THEN CLEARING. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ148-252200-
OAK POINT TO SAXON HARBOR WI-
817 AM CDT THU JUN 25 2026
REST OF TODAY
NORTHEAST WIND 5 KNOTS. CHANCE OF SPRINKLES IN
THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY IN THE EVENING THEN
BECOMING PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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