147
FZUS53 KDLH 172312
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
612 PM CDT WED JUN 17 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.
LSZ140-181000-
GRAND PORTAGE TO GRAND MARAIS MN-
612 PM CDT WED JUN 17 2026
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS BECOMING
NORTHWEST 5 KNOTS TOWARD DAYBREAK. MOSTLY CLOUDY. WAVES 1 TO
2 FEET.
THURSDAY
WEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS IN THE MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
RAIN SHOWERS IN THE EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. MOSTLY
SUNNY. WAVES 1 TO 2 FEET.
LSZ141-181000-
GRAND MARAIS TO TACONITE HARBOR MN-
612 PM CDT WED JUN 17 2026
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING
NORTHWEST AFTER MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN
THE EVENING. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS IN THE MORNING, THEN CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE AFTERNOON.
SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ142-181000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
612 PM CDT WED JUN 17 2026
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS BECOMING NORTH
5 KNOTS AFTER MIDNIGHT, THEN BECOMING WEST TOWARD DAYBREAK.
SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. PATCHY FOG IN THE
LATE EVENING AND OVERNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS THROUGH THE DAY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE AFTERNOON.
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
LSZ143-181000-
SILVER BAY HARBOR TO TWO HARBORS MN-
612 PM CDT WED JUN 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING NORTHWEST 5 KNOTS AFTER MIDNIGHT, THEN
BECOMING WEST TOWARD DAYBREAK. CHANCE OF RAIN SHOWERS EARLY IN
THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE
EVENING. PATCHY FOG IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO
2 FEET.
THURSDAY
WEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
WEST WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT
OR LESS.
FRIDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE AFTERNOON.
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
LSZ144-181000-
TWO HARBORS TO DULUTH MN-
612 PM CDT WED JUN 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT THURSDAY
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS BECOMING WEST
5 KNOTS AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS EARLY IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE EVENING.
PATCHY FOG IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 3 FEET.
THURSDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE IN
THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
WEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS. CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ145-181000-
DULUTH MN TO PORT WING WI-
612 PM CDT WED JUN 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT THURSDAY
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS BECOMING NORTHWEST 5 KNOTS AFTER MIDNIGHT, THEN
BECOMING WEST TOWARD DAYBREAK. CHANCE OF RAIN SHOWERS EARLY IN
THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE
EVENING. PATCHY FOG LATE IN THE EVENING. AREAS OF FOG AFTER
MIDNIGHT, THEN PATCHY FOG TOWARD DAYBREAK. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING AND OVERNIGHT.
THURSDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
WEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS. CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ146-181000-
PORT WING TO SAND ISLAND WI-
612 PM CDT WED JUN 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING NORTH 5 KNOTS AFTER MIDNIGHT, THEN
BECOMING WEST TOWARD DAYBREAK. CHANCE OF RAIN SHOWERS EARLY IN
THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE
EVENING. PATCHY FOG IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO
2 FEET.
THURSDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
THURSDAY NIGHT
WEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS
IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ147-181000-
SAND ISLAND TO BAYFIELD WI-
612 PM CDT WED JUN 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST
TOWARD DAYBREAK. CHANCE OF RAIN SHOWERS EARLY IN THE EVENING,
THEN SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE EVENING. PATCHY
FOG IN THE LATE EVENING AND OVERNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
THURSDAY NIGHT
WEST WIND 5 KNOTS. PARTLY CLOUDY. WAVES 1 FOOT
OR LESS.
FRIDAY
WEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ150-181000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
612 PM CDT WED JUN 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING NORTH 5 TO 10 KNOTS AFTER MIDNIGHT, THEN
BECOMING WEST TOWARD DAYBREAK. CHANCE OF RAIN SHOWERS EARLY IN
THE EVENING. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
THURSDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 TO
2 FEET.
THURSDAY NIGHT
WEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 TO 2 FEET.
FRIDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ121-181000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
612 PM CDT WED JUN 17 2026
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING NORTH 5 KNOTS AFTER MIDNIGHT, THEN
BECOMING WEST TOWARD DAYBREAK. CHANCE OF RAIN SHOWERS EARLY IN
THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE
EVENING. PATCHY FOG IN THE LATE EVENING AND OVERNIGHT. WAVES
1 FOOT OR LESS.
THURSDAY
WEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
WEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
WEST WIND 5 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
LSZ148-181000-
OAK POINT TO SAXON HARBOR WI-
612 PM CDT WED JUN 17 2026
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING NORTH 5 KNOTS AFTER MIDNIGHT, THEN
BECOMING WEST TOWARD DAYBREAK. CHANCE OF RAIN SHOWERS EARLY IN
THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE
EVENING. PATCHY FOG IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO
3 FEET SUBSIDING TO 1 FOOT OR LESS AFTER MIDNIGHT.
THURSDAY
WEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
WEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
WEST WIND 5 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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