548
FZUS53 KDLH 271000
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
500 AM CDT WED MAY 27 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.
LSZ140-271600-
GRAND PORTAGE TO GRAND MARAIS MN-
500 AM CDT WED MAY 27 2026
TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF SPRINKLES EARLY IN THE MORNING. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND EARLY
AFTERNOON, THEN SUBSIDING TO 1 TO 2 FEET LATE IN THE AFTERNOON.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTH EARLY IN THE MORNING. CLEAR. WAVES 1 TO
2 FEET.
THURSDAY
NORTHEAST WIND 5 KNOTS BECOMING SOUTH IN THE LATE
MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 1 TO 2 FEET.
LSZ141-271600-
GRAND MARAIS TO TACONITE HARBOR MN-
500 AM CDT WED MAY 27 2026
TODAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
LATE MORNING AND EARLY AFTERNOON. CHANCE OF RAIN SHOWERS EARLY IN
THE MORNING, THEN CHANCE OF SPRINKLES LATE IN THE MORNING. WAVES
1 TO 2 FEET BUILDING TO 1 TO 3 FEET IN THE LATE MORNING AND EARLY
AFTERNOON, THEN SUBSIDING TO 1 TO 2 FEET LATE IN THE AFTERNOON.
TONIGHT
NORTHEAST WIND 5 KNOTS. CLEAR. WAVES 1 TO 2 FEET.
THURSDAY
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST IN THE LATE
MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING WEST IN THE
LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ142-271600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
500 AM CDT WED MAY 27 2026
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS EARLY IN THE MORNING, THEN CHANCE OF SPRINKLES LATE IN
THE MORNING. WAVES 1 TO 3 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. CLEAR. WAVES 1 TO
2 FEET.
THURSDAY
EAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ143-271600-
SILVER BAY HARBOR TO TWO HARBORS MN-
500 AM CDT WED MAY 27 2026
TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE MORNING AND AFTERNOON. CHANCE OF SPRINKLES IN THE
MORNING. WAVES 1 TO 3 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. CLEAR. WAVES 1 TO 3 FEET.
THURSDAY
NORTHEAST WIND 10 TO 15 KNOTS. SUNNY. WAVES 1 TO
2 FEET.
THURSDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
LSZ144-271600-
TWO HARBORS TO DULUTH MN-
500 AM CDT WED MAY 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH THIS EVENING...
TODAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SUNNY. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET IN THE
LATE MORNING AND AFTERNOON.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS EARLY IN THE MORNING. MOSTLY
CLEAR. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.
THURSDAY
NORTHEAST WIND 10 TO 15 KNOTS. SUNNY. WAVES 1 TO
3 FEET.
THURSDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
LSZ145-271600-
DULUTH MN TO PORT WING WI-
500 AM CDT WED MAY 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH THIS EVENING...
TODAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SUNNY. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET IN THE
LATE MORNING AND AFTERNOON.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
MOSTLY CLEAR. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET AFTER
MIDNIGHT.
THURSDAY
NORTHEAST WIND 10 TO 15 KNOTS. SUNNY. WAVES 1 TO
3 FEET.
THURSDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
LSZ146-271600-
PORT WING TO SAND ISLAND WI-
500 AM CDT WED MAY 27 2026
TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
SUNNY. WAVES 1 TO 3 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
THURSDAY
NORTHEAST WIND 10 TO 15 KNOTS. SUNNY. WAVES 1 TO
3 FEET.
THURSDAY NIGHT
EAST WIND 5 TO 10 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHWEST 5 KNOTS EARLY
IN THE MORNING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ147-271600-
SAND ISLAND TO BAYFIELD WI-
500 AM CDT WED MAY 27 2026
TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
CHANCE OF SPRINKLES IN THE MORNING. WAVES 1 TO 3 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. CLEAR. WAVES 1 TO 2 FEET.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 TO
2 FEET.
THURSDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH
LATE IN THE EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS
AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ150-271600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
500 AM CDT WED MAY 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH THIS EVENING...
TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
CHANCE OF SPRINKLES IN THE MORNING. WAVES 1 TO 2 FEET BUILDING TO
2 TO 4 FEET IN THE LATE MORNING AND AFTERNOON.
TONIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS. CLEAR.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 TO
2 FEET.
THURSDAY NIGHT
EAST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER MIDNIGHT
BECOMING SOUTHWEST 5 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
LSZ121-271600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
500 AM CDT WED MAY 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH THIS EVENING...
TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR.
WAVES 1 TO 2 FEET.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 TO
2 FEET.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHWEST
5 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ148-271600-
OAK POINT TO SAXON HARBOR WI-
500 AM CDT WED MAY 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH THIS EVENING...
TODAY
NORTH WIND 10 TO 15 KNOTS BECOMING NORTHEAST WITH GUSTS
TO AROUND 25 KNOTS IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET
BUILDING TO 2 TO 4 FEET IN THE AFTERNOON.
TONIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS. MOSTLY
CLEAR. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 TO
2 FEET.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST LATE
IN THE EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER
MIDNIGHT BECOMING SOUTHWEST 5 KNOTS EARLY IN THE MORNING. MOSTLY
CLEAR. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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