212
FZUS53 KDLH 010112
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
812 PM CDT FRI JUL 31 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.
LSZ140-011000-
GRAND PORTAGE TO GRAND MARAIS MN-
812 PM CDT FRI JUL 31 2026
REST OF TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTH AFTER
MIDNIGHT. PATCHY FOG EARLY IN THE EVENING. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING EAST 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING EAST IN THE
AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
LSZ141-011000-
GRAND MARAIS TO TACONITE HARBOR MN-
812 PM CDT FRI JUL 31 2026
REST OF TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTH AFTER
MIDNIGHT. PATCHY FOG TOWARD DAYBREAK. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTH WIND 5 KNOTS. CHANCE OF RAIN SHOWERS IN
THE EVENING. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 5 KNOTS BECOMING EAST IN THE LATE
MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ142-011000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
812 PM CDT FRI JUL 31 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH
TOWARD DAYBREAK. MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS
IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
NORTH WIND 5 KNOTS. MOSTLY CLOUDY IN THE
EVENING THEN BECOMING PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
SUNDAY
NORTH WIND 5 KNOTS BECOMING EAST IN THE LATE MORNING
AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ143-011000-
SILVER BAY HARBOR TO TWO HARBORS MN-
812 PM CDT FRI JUL 31 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH
TOWARD DAYBREAK. MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING
PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
SUNDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ144-011000-
TWO HARBORS TO DULUTH MN-
812 PM CDT FRI JUL 31 2026
REST OF TONIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTH TOWARD
DAYBREAK. MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY SUNNY. WAVES 1 TO 3 FEET.
SATURDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS EASING TO 5 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY.
WAVES 1 TO 3 FEET.
SUNDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ145-011000-
DULUTH MN TO PORT WING WI-
812 PM CDT FRI JUL 31 2026
REST OF TONIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST
TOWARD DAYBREAK. PATCHY FOG TOWARD DAYBREAK. WAVES 1 FOOT OR
LESS.
SATURDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY SUNNY. WAVES 1 TO 3 FEET.
SATURDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS EASING TO 5 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY.
WAVES 1 TO 3 FEET.
SUNDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ146-011000-
PORT WING TO SAND ISLAND WI-
812 PM CDT FRI JUL 31 2026
REST OF TONIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST
TOWARD DAYBREAK. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
SUNDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ147-011000-
SAND ISLAND TO BAYFIELD WI-
812 PM CDT FRI JUL 31 2026
REST OF TONIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST
TOWARD DAYBREAK. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE
EVENING. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTH WIND 5 KNOTS. PARTLY CLOUDY. WAVES 1 FOOT
OR LESS.
SUNDAY
NORTHEAST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
LSZ150-011000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
812 PM CDT FRI JUL 31 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING
NORTHWEST TOWARD DAYBREAK. SLIGHT CHANCE OF THUNDERSTORMS EARLY
IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE
EVENING. PATCHY FOG TOWARD DAYBREAK. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
SUNDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ121-011000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
812 PM CDT FRI JUL 31 2026
REST OF TONIGHT
SOUTH WIND 5 KNOTS BECOMING NORTHWEST TOWARD
DAYBREAK. SLIGHT CHANCE OF SHOWERS EARLY IN THE EVENING. PATCHY
FOG TOWARD DAYBREAK. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
SUNDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
LSZ148-011000-
OAK POINT TO SAXON HARBOR WI-
812 PM CDT FRI JUL 31 2026
REST OF TONIGHT
SOUTH WIND 5 KNOTS BECOMING NORTHWEST TOWARD
DAYBREAK. SLIGHT CHANCE OF SHOWERS EARLY IN THE EVENING. PATCHY
FOG TOWARD DAYBREAK. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PATCHY FOG IN THE MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
SUNDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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