511
FZUS53 KDLH 040853
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
353 AM CDT FRI SEP 4 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.
LSZ140-041600-
GRAND PORTAGE TO GRAND MARAIS MN-
353 AM CDT FRI SEP 4 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE MORNING.
CHANCE OF RAIN SHOWERS IN THE MORNING, THEN SLIGHT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 1 TO 3 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
MOSTLY CLOUDY. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE
LATE EVENING AND OVERNIGHT.
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 FOOT OR LESS.
LSZ141-041600-
GRAND MARAIS TO TACONITE HARBOR MN-
353 AM CDT FRI SEP 4 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
NORTHEAST WIND 10 TO 15 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. PATCHY DENSE
FOG EARLY IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS EARLY IN
THE MORNING. CHANCE OF RAIN SHOWERS IN THE MORNING. SLIGHT CHANCE
OF RAIN SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
SATURDAY
EAST WIND 5 TO 10 KNOTS. PARTLY SUNNY IN THE MORNING
THEN CLEARING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ142-041600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
353 AM CDT FRI SEP 4 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. PATCHY DENSE FOG IN THE MORNING. CHANCE OF RAIN SHOWERS
EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE LATE
MORNING AND AFTERNOON. WAVES 2 TO 4 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
PATCHY DENSE FOG AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
SATURDAY
NORTHEAST WIND 5 KNOTS. PATCHY DENSE FOG IN THE
MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ143-041600-
SILVER BAY HARBOR TO TWO HARBORS MN-
353 AM CDT FRI SEP 4 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF SHOWERS EARLY IN THE MORNING. PATCHY
DENSE FOG IN THE MORNING. WAVES 2 TO 4 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
PATCHY DENSE FOG AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO
1 TO 3 FEET AFTER MIDNIGHT.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY DENSE FOG IN THE
MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN
THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ144-041600-
TWO HARBORS TO DULUTH MN-
353 AM CDT FRI SEP 4 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS IN
THE AFTERNOON. SLIGHT CHANCE OF SHOWERS EARLY IN THE MORNING.
PATCHY DENSE FOG IN THE MORNING. WAVES 2 TO 4 FEET.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS EASING TO 5 TO 10 KNOTS
EARLY IN THE MORNING. PATCHY DENSE FOG AFTER MIDNIGHT. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY DENSE FOG IN THE
MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ145-041600-
DULUTH MN TO PORT WING WI-
353 AM CDT FRI SEP 4 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
NORTHEAST WIND 15 TO 20 KNOTS. SLIGHT CHANCE OF SHOWERS
EARLY IN THE MORNING. PATCHY DENSE FOG IN THE MORNING. WAVES 2 TO
4 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. PATCHY DENSE FOG THROUGH THE NIGHT. WAVES
2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET EARLY IN THE MORNING.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY DENSE FOG IN THE
MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN
THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ146-041600-
PORT WING TO SAND ISLAND WI-
353 AM CDT FRI SEP 4 2026
TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE MORNING AND AFTERNOON. SLIGHT CHANCE OF SHOWERS EARLY IN
THE MORNING. PATCHY DENSE FOG IN THE MORNING. WAVES 1 TO 3 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. PATCHY DENSE FOG AFTER MIDNIGHT. WAVES 1 TO
3 FEET.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY DENSE FOG IN THE
MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR IN
THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ147-041600-
SAND ISLAND TO BAYFIELD WI-
353 AM CDT FRI SEP 4 2026
TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY
IN THE MORNING. PATCHY DENSE FOG IN THE MORNING. WAVES 1 TO
3 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF
SHOWERS IN THE EVENING. PATCHY DENSE FOG AFTER MIDNIGHT. WAVES
1 TO 3 FEET.
SATURDAY
NORTHEAST WIND 5 KNOTS. PATCHY DENSE FOG IN THE
MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ150-041600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
353 AM CDT FRI SEP 4 2026
TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE AFTERNOON. PATCHY DENSE FOG IN THE
MORNING. SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE MORNING.
SLIGHT CHANCE OF SHOWERS IN THE MORNING. WAVES 2 TO 4 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
SLIGHT CHANCE OF SHOWERS IN THE EVENING. PATCHY DENSE FOG AFTER
MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET EARLY IN THE
MORNING. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY DENSE FOG IN THE
MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
EAST WIND 5 KNOTS. MOSTLY CLEAR IN THE EVENING
THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ121-041600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
353 AM CDT FRI SEP 4 2026
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS EARLY IN THE MORNING. PATCHY DENSE FOG IN THE
MORNING. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF SHOWERS
THROUGH THE NIGHT. PATCHY DENSE FOG AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY DENSE FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ148-041600-
OAK POINT TO SAXON HARBOR WI-
353 AM CDT FRI SEP 4 2026
TODAY
NORTHEAST WIND 10 TO 15 KNOTS. PATCHY DENSE FOG EARLY IN
THE MORNING. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
EARLY IN THE MORNING. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET
LATE IN THE AFTERNOON.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS EASING TO 5 KNOTS EARLY
IN THE MORNING. SLIGHT CHANCE OF SHOWERS THROUGH THE NIGHT.
PATCHY DENSE FOG AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO
1 TO 3 FEET AFTER MIDNIGHT.
SATURDAY
NORTHEAST WIND 5 KNOTS. PATCHY DENSE FOG IN THE
MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY IN THE EVENING
THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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