355
FZUS53 KDLH 102318
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
618 PM CDT WED JUN 10 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.
LSZ140-111000-
GRAND PORTAGE TO GRAND MARAIS MN-
618 PM CDT WED JUN 10 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY
REST OF TONIGHT
EAST WIND 10 TO 15 KNOTS BECOMING SOUTH 5 TO
10 KNOTS LATE IN THE EVENING, THEN BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. CHANCE OF
THUNDERSTORMS IN THE EVENING. CHANCE OF RAIN SHOWERS UNTIL EARLY
MORNING. SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. PATCHY
DENSE FOG EARLY IN THE EVENING. AREAS OF DENSE FOG IN THE LATE
EVENING AND OVERNIGHT. WAVES 1 TO 3 FEET.
THURSDAY
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. PATCHY
DENSE FOG IN THE MORNING. WAVES 1 TO 3 FEET BUILDING TO 2 TO
4 FEET IN THE LATE MORNING AND AFTERNOON. A SMALL CRAFT ADVISORY
MAY BE NEEDED.
THURSDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS IN THE LATE EVENING AND
OVERNIGHT. PATCHY DENSE FOG THROUGH THE NIGHT. CHANCE OF RAIN
SHOWERS IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. WAVES 2 TO 4 FEET.
FRIDAY
SOUTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,
THEN DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. SLIGHT CHANCE
OF RAIN SHOWERS. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET.
A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ141-111000-
GRAND MARAIS TO TACONITE HARBOR MN-
618 PM CDT WED JUN 10 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST IN
THE LATE EVENING AND EARLY MORNING, THEN BECOMING SOUTHWEST 5 TO
10 KNOTS TOWARD DAYBREAK. CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE EVENING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. PATCHY DENSE FOG EARLY IN THE EVENING. AREAS OF DENSE
FOG LATE IN THE EVENING. PATCHY DENSE FOG AFTER MIDNIGHT. WAVES
1 TO 2 FEET.
THURSDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE LATE MORNING AND AFTERNOON. PATCHY DENSE FOG IN THE
MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
1 TO 2 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING THEN 20 KNOTS AFTER MIDNIGHT.
PATCHY DENSE FOG IN THE EVENING. CHANCE OF RAIN SHOWERS IN THE
EVENING. WAVES 1 TO 2 FEET.
FRIDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. SLIGHT
CHANCE OF RAIN SHOWERS. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET
IN THE LATE MORNING AND AFTERNOON.
LSZ142-111000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
618 PM CDT WED JUN 10 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST
LATE IN THE EVENING, THEN BECOMING SOUTHWEST AFTER MIDNIGHT.
THUNDERSTORMS LIKELY EARLY IN THE EVENING. CHANCE OF RAIN SHOWERS
IN THE EVENING. CHANCE OF THUNDERSTORMS LATE IN THE EVENING.
PATCHY DENSE FOG THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
THURSDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE MORNING AND AFTERNOON. PATCHY DENSE FOG IN THE MORNING.
CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING THEN 20 KNOTS AFTER MIDNIGHT.
CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. SLIGHT
CHANCE OF RAIN SHOWERS IN THE MORNING. WAVES 1 TO 2 FEET.
LSZ143-111000-
SILVER BAY HARBOR TO TWO HARBORS MN-
618 PM CDT WED JUN 10 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY
REST OF TONIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
WITH GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING AND OVERNIGHT.
SHOWERS AND THUNDERSTORMS LIKELY EARLY IN THE EVENING. CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE EVENING. PATCHY DENSE FOG
THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
THURSDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE MORNING AND AFTERNOON. PATCHY DENSE FOG IN THE MORNING.
CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE MORNING. PATCHY DENSE FOG IN THE EVENING.
CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES 1 TO 2 FEET.
FRIDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY
SUNNY. WAVES 1 TO 3 FEET.
LSZ144-111000-
TWO HARBORS TO DULUTH MN-
618 PM CDT WED JUN 10 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY
REST OF TONIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING
AND OVERNIGHT. CHANCE OF THUNDERSTORMS EARLY IN THE EVENING.
CHANCE OF RAIN SHOWERS IN THE EVENING. CHANCE OF THUNDERSTORMS
LATE IN THE EVENING. PATCHY DENSE FOG THROUGH THE NIGHT. WAVES
1 TO 2 FEET.
THURSDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE AFTERNOON. PATCHY DENSE FOG IN THE MORNING. CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES
1 TO 2 FEET.
FRIDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS.
MOSTLY SUNNY. WAVES 1 TO 3 FEET.
LSZ145-111000-
DULUTH MN TO PORT WING WI-
618 PM CDT WED JUN 10 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING
AND OVERNIGHT. CHANCE OF THUNDERSTORMS EARLY IN THE EVENING.
CHANCE OF RAIN SHOWERS IN THE EVENING. CHANCE OF THUNDERSTORMS
LATE IN THE EVENING. PATCHY DENSE FOG THROUGH THE NIGHT. WAVES
1 TO 2 FEET.
THURSDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE LATE MORNING AND AFTERNOON. PATCHY DENSE FOG IN THE
MORNING. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO
2 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. PATCHY DENSE FOG IN THE EVENING. CHANCE OF RAIN
SHOWERS IN THE EVENING. WAVES 1 TO 2 FEET.
FRIDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY
SUNNY. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE
MORNING AND AFTERNOON.
LSZ146-111000-
PORT WING TO SAND ISLAND WI-
618 PM CDT WED JUN 10 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY
REST OF TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING
SOUTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE
LATE EVENING AND EARLY MORNING, THEN EASING TO 10 KNOTS WITH
GUSTS TO AROUND 20 KNOTS TOWARD DAYBREAK. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. PATCHY DENSE FOG THROUGH THE NIGHT.
WAVES 1 TO 2 FEET.
THURSDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING THEN 20 KNOTS IN THE AFTERNOON. PATCHY DENSE
FOG IN THE MORNING. CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
WAVES 1 TO 2 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. PATCHY DENSE FOG IN THE EVENING. CHANCE OF RAIN
SHOWERS IN THE EVENING. WAVES 1 TO 2 FEET.
FRIDAY
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY SUNNY. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET
IN THE LATE MORNING AND AFTERNOON.
LSZ147-111000-
SAND ISLAND TO BAYFIELD WI-
618 PM CDT WED JUN 10 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY
REST OF TONIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND
OVERNIGHT. SHOWERS AND THUNDERSTORMS LIKELY EARLY IN THE EVENING.
CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE EVENING. PATCHY
DENSE FOG THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
THURSDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. PATCHY DENSE FOG IN THE MORNING. CHANCE OF
RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. PATCHY DENSE FOG IN
THE EVENING. CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES 1 TO
2 FEET.
FRIDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS.
SUNNY. WAVES 1 TO 3 FEET.
LSZ150-111000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
618 PM CDT WED JUN 10 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING
SOUTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE
LATE EVENING AND OVERNIGHT. PATCHY DENSE FOG THROUGH THE NIGHT.
THUNDERSTORMS LIKELY AND CHANCE OF RAIN SHOWERS IN THE EVENING.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES
1 TO 2 FEET.
THURSDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING THEN 20 KNOTS IN THE AFTERNOON. PATCHY DENSE
FOG IN THE MORNING. CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
WAVES 1 TO 2 FEET.
THURSDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS AFTER MIDNIGHT. PATCHY DENSE FOG
IN THE EVENING. CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES 1 TO
2 FEET.
FRIDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS.
SUNNY. WAVES 1 TO 3 FEET.
LSZ121-111000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
618 PM CDT WED JUN 10 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SHOWERS AND THUNDERSTORMS LIKELY EARLY IN THE
EVENING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE
EVENING. PATCHY DENSE FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 10 TO 15 KNOTS EASING TO 10 KNOTS LATE
IN THE AFTERNOON. GUSTS UP TO 20 KNOTS EARLY IN THE AFTERNOON.
PATCHY DENSE FOG IN THE MORNING. CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. CHANCE OF RAIN
SHOWERS IN THE EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. SUNNY.
WAVES 1 TO 2 FEET.
LSZ148-111000-
OAK POINT TO SAXON HARBOR WI-
618 PM CDT WED JUN 10 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY
REST OF TONIGHT
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST WITH GUSTS TO AROUND 20 KNOTS IN THE
LATE EVENING AND OVERNIGHT. THUNDERSTORMS LIKELY AND CHANCE OF
RAIN SHOWERS IN THE EVENING. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. PATCHY DENSE FOG IN THE LATE
EVENING AND OVERNIGHT. WAVES 1 TO 2 FEET.
THURSDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. PATCHY DENSE FOG IN THE MORNING. CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. RAIN SHOWERS LIKELY
IN THE EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY
SUNNY. WAVES 1 TO 3 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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