631
FZUS53 KDLH 272200
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
500 PM 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.
LSZ140-280400-
GRAND PORTAGE TO GRAND MARAIS MN-
500 PM CDT WED MAY 27 2026
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS BECOMING NORTH 5 KNOTS
AFTER MIDNIGHT. 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 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 10 TO 15 KNOTS. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FEET.
LSZ141-280400-
GRAND MARAIS TO TACONITE HARBOR MN-
500 PM CDT WED MAY 27 2026
TONIGHT
NORTHEAST WIND 5 KNOTS. CLEAR. WAVES 1 TO 2 FEET.
THURSDAY
EAST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING WEST
5 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
LSZ142-280400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
500 PM CDT WED MAY 27 2026
TONIGHT
NORTHEAST WIND 5 KNOTS. CLEAR. WAVES 1 TO 2 FEET.
THURSDAY
NORTHEAST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
LSZ143-280400-
SILVER BAY HARBOR TO TWO HARBORS MN-
500 PM CDT WED MAY 27 2026
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. CLEAR. WAVES 1 TO
3 FEET.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
LSZ144-280400-
TWO HARBORS TO DULUTH MN-
500 PM CDT WED MAY 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. CLEAR. WAVES 1 TO 3 FEET.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ145-280400-
DULUTH MN TO PORT WING WI-
500 PM CDT WED MAY 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
CLEAR. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE AFTERNOON. 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.
FRIDAY
SOUTHWEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
LSZ146-280400-
PORT WING TO SAND ISLAND WI-
500 PM CDT WED MAY 27 2026
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. CLEAR. WAVES 1 TO 3 FEET.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
LSZ147-280400-
SAND ISLAND TO BAYFIELD WI-
500 PM CDT WED MAY 27 2026
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. CLEAR. WAVES 1 TO
2 FEET.
THURSDAY
NORTHEAST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
LSZ150-280400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
500 PM CDT WED MAY 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. CLEAR. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET IN THE LATE EVENING AND OVERNIGHT.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
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.
FRIDAY
SOUTHWEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
LSZ121-280400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
500 PM CDT WED MAY 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
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 FOOT OR
LESS.
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.
FRIDAY
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
LSZ148-280400-
OAK POINT TO SAXON HARBOR WI-
500 PM CDT WED MAY 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING EAST 5 KNOTS AFTER MIDNIGHT. CLEAR. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING AND
OVERNIGHT.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHWEST
5 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS UNTIL LATE AFTERNOON BECOMING
VARIABLE 10 KNOTS OR LESS. SUNNY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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