909
FZUS53 KDLH 040233
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
933 PM CDT THU SEP 3 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.
LSZ140-041000-
GRAND PORTAGE TO GRAND MARAIS MN-
933 PM CDT THU SEP 3 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE FRIDAY NIGHT
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS TOWARD DAYBREAK. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE EVENING, THEN CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS LATE IN THE MORNING, THEN DECREASING TO
25 KNOTS IN THE AFTERNOON. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN SLIGHT CHANCE OF
RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO 3 FEET.
FRIDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES
1 TO 2 FEET.
LSZ141-041000-
GRAND MARAIS TO TACONITE HARBOR MN-
933 PM CDT THU SEP 3 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE FRIDAY NIGHT
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS AFTER MIDNIGHT. CHANCE OF
THUNDERSTORMS IN THE LATE EVENING AND EARLY MORNING. CHANCE OF
RAIN SHOWERS THROUGH THE NIGHT. SLIGHT CHANCE OF THUNDERSTORMS
TOWARD DAYBREAK. WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET TOWARD
DAYBREAK.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS LATE IN THE AFTERNOON. CHANCE OF RAIN
SHOWERS IN THE MORNING. WAVES 1 TO 3 FEET.
FRIDAY NIGHT
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 CLOUDY IN THE
MORNING THEN BECOMING MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ142-041000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
933 PM CDT THU SEP 3 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE FRIDAY NIGHT
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS AFTER MIDNIGHT, THEN INCREASING
TO 25 KNOTS TOWARD DAYBREAK. RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS IN THE LATE EVENING AND EARLY MORNING. CHANCE OF
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS TOWARD DAYBREAK.
PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS LATE IN THE MORNING, THEN DECREASING TO
25 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE MORNING. CHANCE OF
RAIN SHOWERS IN THE MORNING. WAVES 1 TO 3 FEET.
FRIDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
SATURDAY
NORTHEAST WIND 5 KNOTS. PATCHY FOG IN THE MORNING.
WAVES 1 TO 2 FEET.
LSZ143-041000-
SILVER BAY HARBOR TO TWO HARBORS MN-
933 PM CDT THU SEP 3 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE FRIDAY NIGHT
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. RAIN SHOWERS LATE IN THE EVENING. CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS LIKELY AFTER
MIDNIGHT. PATCHY FOG TOWARD DAYBREAK. WAVES 2 TO 4 FEET.
FRIDAY
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 FOG IN
THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING. WAVES
2 TO 4 FEET.
FRIDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. PATCHY FOG AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET AFTER MIDNIGHT.
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.
LSZ144-041000-
TWO HARBORS TO DULUTH MN-
933 PM CDT THU SEP 3 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE FRIDAY NIGHT
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. SHOWERS AND THUNDERSTORMS LIKELY LATE IN THE
EVENING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
PATCHY FOG AFTER MIDNIGHT. WAVES 2 TO 4 FEET.
FRIDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF RAIN
SHOWERS IN THE MORNING. WAVES 2 TO 4 FEET.
FRIDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. PATCHY FOG AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 2 FEET EARLY IN THE MORNING.
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.
LSZ145-041000-
DULUTH MN TO PORT WING WI-
933 PM CDT THU SEP 3 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE FRIDAY NIGHT
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS TOWARD DAYBREAK. SHOWERS WITH
THUNDERSTORMS LIKELY LATE IN THE EVENING, THEN CHANCE OF SHOWERS
AND THUNDERSTORMS AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT.
WAVES 2 TO 4 FEET.
FRIDAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. PATCHY
FOG IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING.
WAVES 2 TO 4 FEET.
FRIDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. PATCHY FOG AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 2 FEET EARLY IN THE MORNING.
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.
LSZ146-041000-
PORT WING TO SAND ISLAND WI-
933 PM CDT THU SEP 3 2026
REST OF TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS AFTER MIDNIGHT. SHOWERS LATE IN
THE EVENING. CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. SHOWERS
LIKELY AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO
3 FEET.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE
MORNING. SLIGHT CHANCE OF SHOWERS IN THE MORNING. WAVES 2 TO
4 FEET.
FRIDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
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.
LSZ147-041000-
SAND ISLAND TO BAYFIELD WI-
933 PM CDT THU SEP 3 2026
REST OF TONIGHT
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
AFTER MIDNIGHT. SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
LATE EVENING AND EARLY MORNING. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS TOWARD DAYBREAK. PATCHY FOG AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE
MORNING. SLIGHT CHANCE OF SHOWERS IN THE MORNING. WAVES 1 TO
3 FEET.
FRIDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. SLIGHT
CHANCE OF SHOWERS IN THE EVENING. PATCHY FOG AFTER MIDNIGHT.
WAVES 1 TO 3 FEET.
SATURDAY
NORTHEAST WIND 5 KNOTS. PATCHY FOG IN THE MORNING.
WAVES 1 TO 2 FEET.
LSZ150-041000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
933 PM CDT THU SEP 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TONIGHT
EAST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS EASING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
AFTER MIDNIGHT. SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
LATE EVENING AND EARLY MORNING. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS TOWARD DAYBREAK. PATCHY FOG AFTER
MIDNIGHT. WAVES 2 TO 4 FEET.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. PATCHY
FOG IN THE MORNING. SLIGHT CHANCE OF SHOWERS IN THE MORNING.
WAVES 2 TO 4 FEET.
FRIDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. SLIGHT CHANCE OF SHOWERS IN THE EVENING. PATCHY FOG
AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE AFTERNOON. MOSTLY CLOUDY IN THE MORNING THEN BECOMING
MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ121-041000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
933 PM CDT THU SEP 3 2026
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
25 KNOTS. CHANCE OF THUNDERSTORMS LATE IN THE EVENING. SHOWERS
LIKELY THROUGH THE NIGHT. SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING
TO 1 TO 3 FEET AFTER MIDNIGHT, THEN SUBSIDING TO 1 TO 2 FEET
TOWARD DAYBREAK.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF SHOWERS IN THE
MORNING. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET LATE IN THE
AFTERNOON.
FRIDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. PATCHY
FOG AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET
AFTER MIDNIGHT.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 TO
2 FEET.
LSZ148-041000-
OAK POINT TO SAXON HARBOR WI-
933 PM CDT THU SEP 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS. GUSTS UP TO 25 KNOTS.
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE LATE EVENING
AND EARLY MORNING. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS TOWARD DAYBREAK. PATCHY FOG AFTER MIDNIGHT. WAVES
2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET TOWARD DAYBREAK.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF SHOWERS IN THE
MORNING. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET LATE IN THE
AFTERNOON.
FRIDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. SLIGHT
CHANCE OF SHOWERS THROUGH THE NIGHT. PATCHY FOG AFTER MIDNIGHT.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 TO
2 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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