388
FZUS53 KDLH 120218
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
918 PM CDT MON MAY 11 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.
LSZ140-121000-
GRAND PORTAGE TO GRAND MARAIS MN-
918 PM CDT MON MAY 11 2026
REST OF TONIGHT
EAST WIND 10 TO 15 KNOTS. SLIGHT CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS TOWARD
DAYBREAK. WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET TOWARD
DAYBREAK.
TUESDAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS
BECOMING NORTHEAST 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
LATE IN THE AFTERNOON. RAIN SHOWERS IN THE MORNING, THEN CHANCE
OF RAIN SHOWERS IN THE AFTERNOON. WAVES 3 TO 5 FEET. A SMALL
CRAFT ADVISORY MAY BE NEEDED.
TUESDAY NIGHT
NORTH WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
IN THE EVENING. CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 2 FEET EARLY IN THE MORNING.
WEDNESDAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ141-121000-
GRAND MARAIS TO TACONITE HARBOR MN-
918 PM CDT MON MAY 11 2026
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
RAIN SHOWERS TOWARD DAYBREAK. WAVES 1 TO 2 FEET.
TUESDAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTH LATE IN THE AFTERNOON. CHANCE OF RAIN SHOWERS.
WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND
AFTERNOON.
TUESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS
IN THE EVENING. WAVES 1 TO 3 FEET.
WEDNESDAY
NORTHWEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 TO
2 FEET.
LSZ142-121000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
918 PM CDT MON MAY 11 2026
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. RAIN SHOWERS TOWARD DAYBREAK. WAVES 1 TO
2 FEET.
TUESDAY
EAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST EARLY IN
THE AFTERNOON, THEN BECOMING NORTHWEST LATE IN THE AFTERNOON.
RAIN SHOWERS LIKELY IN THE MORNING, THEN CHANCE OF RAIN SHOWERS
IN THE AFTERNOON. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
NORTHWEST WIND 5 KNOTS. CHANCE OF RAIN SHOWERS
IN THE EVENING. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTHWEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
LSZ143-121000-
SILVER BAY HARBOR TO TWO HARBORS MN-
918 PM CDT MON MAY 11 2026
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE LATE EVENING AND EARLY MORNING. CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. RAIN SHOWERS LIKELY TOWARD DAYBREAK. WAVES 1 TO 2 FEET.
TUESDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST LATE
IN THE AFTERNOON. CHANCE OF RAIN SHOWERS IN THE MORNING, THEN
RAIN SHOWERS LIKELY IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
NORTHWEST WIND 5 KNOTS. CHANCE OF RAIN SHOWERS
IN THE EVENING. WAVES 1 FOOT OR LESS.
WEDNESDAY
NORTHWEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
LSZ144-121000-
TWO HARBORS TO DULUTH MN-
918 PM CDT MON MAY 11 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CDT TONIGHT
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. RAIN SHOWERS
LIKELY AFTER MIDNIGHT. SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. CHANCE OF RAIN SHOWERS TOWARD DAYBREAK. WAVES 1 TO
3 FEET.
TUESDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. CHANCE
OF RAIN SHOWERS. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS IN THE
EVENING. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTH WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
LSZ145-121000-
DULUTH MN TO PORT WING WI-
918 PM CDT MON MAY 11 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CDT TONIGHT
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS AFTER MIDNIGHT. CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. RAIN SHOWERS LIKELY TOWARD DAYBREAK. WAVES 1 TO 3 FEET.
TUESDAY
EAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE MORNING AND
EARLY AFTERNOON, THEN BECOMING WEST WITH GUSTS TO AROUND 25 KNOTS
LATE IN THE AFTERNOON. CHANCE OF RAIN SHOWERS THROUGH THE DAY.
WAVES 1 TO 2 FEET.
TUESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES
1 TO 2 FEET.
WEDNESDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH LATE IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ146-121000-
PORT WING TO SAND ISLAND WI-
918 PM CDT MON MAY 11 2026
REST OF TONIGHT
EAST WIND 10 TO 15 KNOTS. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. RAIN
SHOWERS LIKELY TOWARD DAYBREAK. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST IN THE
AFTERNOON. CHANCE OF RAIN SHOWERS IN THE MORNING, THEN RAIN
SHOWERS LIKELY IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. RAIN SHOWERS
LIKELY IN THE EVENING. WAVES 1 FOOT OR LESS.
WEDNESDAY
NORTHWEST WIND 5 KNOTS UNTIL LATE AFTERNOON BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ147-121000-
SAND ISLAND TO BAYFIELD WI-
918 PM CDT MON MAY 11 2026
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST
TOWARD DAYBREAK. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. RAIN
SHOWERS TOWARD DAYBREAK. WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST IN THE
AFTERNOON. CHANCE OF RAIN SHOWERS IN THE MORNING, THEN RAIN
SHOWERS LIKELY IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
NORTHWEST WIND 5 KNOTS. RAIN SHOWERS LIKELY IN
THE EVENING. WAVES 1 FOOT OR LESS.
WEDNESDAY
NORTHWEST WIND 5 KNOTS. PARTLY SUNNY IN THE MORNING
THEN CLEARING. WAVES 1 FOOT OR LESS.
LSZ150-121000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
918 PM CDT MON MAY 11 2026
REST OF TONIGHT
SOUTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS LATE IN THE EVENING. CHANCE OF RAIN SHOWERS AFTER
MIDNIGHT. RAIN SHOWERS TOWARD DAYBREAK. WAVES 1 TO 2 FEET.
TUESDAY
SOUTHEAST WIND 10 TO 15 KNOTS BECOMING NORTHWEST 5 TO
10 KNOTS IN THE AFTERNOON. CHANCE OF RAIN SHOWERS. WAVES 1 TO
2 FEET.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS IN THE EVENING. CHANCE OF RAIN SHOWERS IN THE EVENING.
WAVES 1 TO 3 FEET.
WEDNESDAY
NORTHWEST WIND 5 KNOTS. PARTLY SUNNY IN THE MORNING
THEN CLEARING. WAVES 1 TO 2 FEET.
LSZ121-121000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
918 PM CDT MON MAY 11 2026
REST OF TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST WITH
GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. RAIN SHOWERS LIKELY TOWARD DAYBREAK. WAVES 1 FOOT
OR LESS.
TUESDAY
SOUTH WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING WEST WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON.
CHANCE OF RAIN SHOWERS IN THE MORNING. RAIN SHOWERS LIKELY IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. RAIN SHOWERS LIKELY IN THE
EVENING. WAVES 1 FOOT OR LESS.
WEDNESDAY
NORTH WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ148-121000-
OAK POINT TO SAXON HARBOR WI-
918 PM CDT MON MAY 11 2026
REST OF TONIGHT
EAST WIND 5 KNOTS BECOMING SOUTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS AFTER MIDNIGHT. CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. RAIN SHOWERS LIKELY TOWARD DAYBREAK.
WAVES 1 TO 2 FEET.
TUESDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST 5 TO 10 KNOTS IN THE AFTERNOON. CHANCE OF
RAIN SHOWERS IN THE MORNING. RAIN SHOWERS LIKELY IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. CHANCE OF RAIN
SHOWERS IN THE EVENING. WAVES 1 TO 2 FEET.
WEDNESDAY
NORTHWEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 TO
2 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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