858
FZUS53 KDLH 150025
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
725 PM CDT FRI AUG 14 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.
LSZ140-151000-
GRAND PORTAGE TO GRAND MARAIS MN-
725 PM CDT FRI AUG 14 2026
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE LATE MORNING AND AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS
IN THE MORNING, THEN CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING NORTHWEST 5 KNOTS AFTER MIDNIGHT, THEN
BECOMING WEST EARLY IN THE MORNING. RAIN SHOWERS LIKELY IN THE
EVENING. WAVES 1 TO 2 FEET.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ141-151000-
GRAND MARAIS TO TACONITE HARBOR MN-
725 PM CDT FRI AUG 14 2026
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
RAIN SHOWERS TOWARD DAYBREAK. WAVES 1 TO 2 FEET.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF RAIN SHOWERS IN THE MORNING, THEN RAIN
SHOWERS LIKELY IN THE AFTERNOON. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST EARLY IN THE MORNING. RAIN SHOWERS
LIKELY IN THE EVENING. WAVES 1 TO 2 FEET.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ142-151000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
725 PM CDT FRI AUG 14 2026
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS LATE IN THE EVENING. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE MORNING AND AFTERNOON. CHANCE OF RAIN SHOWERS IN THE
MORNING, THEN RAIN SHOWERS LIKELY IN THE AFTERNOON. WAVES 1 TO
2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING WEST 5 KNOTS EARLY IN
THE MORNING. CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES 1 FOOT
OR LESS.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ143-151000-
SILVER BAY HARBOR TO TWO HARBORS MN-
725 PM CDT FRI AUG 14 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM CDT SATURDAY
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. MOSTLY CLOUDY.
WAVES 1 TO 3 FEET.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE MORNING AND AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN
THE MORNING, THEN CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST
EARLY IN THE MORNING. CHANCE OF RAIN SHOWERS IN THE EVENING.
WAVES 1 FOOT OR LESS.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ144-151000-
TWO HARBORS TO DULUTH MN-
725 PM CDT FRI AUG 14 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM CDT SATURDAY
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY
EARLY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET TOWARD DAYBREAK.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE MORNING AND AFTERNOON. CHANCE OF RAIN SHOWERS. WAVES
1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST
AFTER MIDNIGHT. CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES 1 TO
2 FEET.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ145-151000-
DULUTH MN TO PORT WING WI-
725 PM CDT FRI AUG 14 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM CDT SATURDAY
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS. PARTLY CLOUDY EARLY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET TOWARD
DAYBREAK.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. CHANCE OF RAIN SHOWERS. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST
AFTER MIDNIGHT. CHANCE OF SHOWERS IN THE EVENING. WAVES 1 TO
2 FEET.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ146-151000-
PORT WING TO SAND ISLAND WI-
725 PM CDT FRI AUG 14 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM CDT SATURDAY
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS EASING TO 5 TO
10 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS IN THE MORNING,
THEN CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST
AFTER MIDNIGHT, THEN BECOMING WEST EARLY IN THE MORNING. CHANCE
OF SHOWERS IN THE EVENING. WAVES 1 FOOT OR LESS.
SUNDAY
WEST WIND 5 KNOTS. PARTLY SUNNY IN THE MORNING THEN
CLEARING. WAVES 1 FOOT OR LESS.
LSZ147-151000-
SAND ISLAND TO BAYFIELD WI-
725 PM CDT FRI AUG 14 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TONIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY
LATE IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO
2 FEET.
SATURDAY
EAST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING WEST AFTER
MIDNIGHT. CHANCE OF SHOWERS IN THE EVENING. WAVES 1 FOOT OR LESS.
SUNDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ150-151000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
725 PM CDT FRI AUG 14 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TONIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
SATURDAY
EAST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST
AFTER MIDNIGHT. CHANCE OF SHOWERS IN THE EVENING. WAVES 1 TO
2 FEET.
SUNDAY
WEST WIND 5 TO 10 KNOTS. PARTLY SUNNY IN THE MORNING
THEN CLEARING. WAVES 1 FOOT OR LESS.
LSZ121-151000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
725 PM CDT FRI AUG 14 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS BECOMING EAST
5 KNOTS TOWARD DAYBREAK. GUSTS UP TO 25 KNOTS. PARTLY CLOUDY IN
THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS IN
THE AFTERNOON. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING WEST AFTER
MIDNIGHT. CHANCE OF SHOWERS IN THE EVENING. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY SUNNY IN THE
MORNING THEN CLEARING. WAVES 1 FOOT OR LESS.
LSZ148-151000-
OAK POINT TO SAXON HARBOR WI-
725 PM CDT FRI AUG 14 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TONIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 3 FEET.
SATURDAY
EAST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
NORTH WIND 5 KNOTS BECOMING WEST EARLY IN THE
MORNING. CHANCE OF SHOWERS IN THE EVENING. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY SUNNY IN THE
MORNING THEN CLEARING. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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