584
FZUS53 KDLH 030012
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
711 PM CDT WED SEP 2 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.
LSZ140-031000-
GRAND PORTAGE TO GRAND MARAIS MN-
712 PM CDT WED SEP 2 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH
AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING EAST IN THE
AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS 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 LATE MORNING AND AFTERNOON. SLIGHT
CHANCE OF RAIN SHOWERS THROUGH THE DAY. WAVES 1 TO 3 FEET.
LSZ141-031000-
GRAND MARAIS TO TACONITE HARBOR MN-
712 PM CDT WED SEP 2 2026
REST OF TONIGHT
WEST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTHEAST
5 KNOTS TOWARD DAYBREAK. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 TO
2 FEET.
THURSDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES
1 TO 3 FEET.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF RAIN SHOWERS IN THE MORNING. WAVES 1 TO
3 FEET.
LSZ142-031000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
712 PM CDT WED SEP 2 2026
REST OF TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTH
5 KNOTS TOWARD DAYBREAK. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF RAIN SHOWERS THROUGH THE DAY. WAVES 1 TO
3 FEET.
LSZ143-031000-
SILVER BAY HARBOR TO TWO HARBORS MN-
712 PM CDT WED SEP 2 2026
REST OF TONIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
MOSTLY SUNNY. WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET IN THE
AFTERNOON.
THURSDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS AFTER MIDNIGHT, THEN INCREASING
TO 25 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS
IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT.
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE AFTERNOON. CHANCE OF RAIN SHOWERS
IN THE MORNING. WAVES 2 TO 4 FEET.
LSZ144-031000-
TWO HARBORS TO DULUTH MN-
712 PM CDT WED SEP 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH
LATE THURSDAY NIGHT...
REST OF TONIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY SUNNY. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET
IN THE AFTERNOON.
THURSDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE
NIGHT. WAVES 2 TO 4 FEET.
FRIDAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE AFTERNOON. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. WAVES 2 TO
4 FEET.
LSZ145-031000-
DULUTH MN TO PORT WING WI-
712 PM CDT WED SEP 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH
LATE THURSDAY NIGHT...
REST OF TONIGHT
NORTHEAST WIND 5 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY SUNNY. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET
IN THE AFTERNOON.
THURSDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS LATE IN THE EVENING, THEN
INCREASING TO 25 KNOTS AFTER MIDNIGHT DECREASING TO 20 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE EVENING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS 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 AFTERNOON. CHANCE OF SHOWERS IN THE
MORNING. WAVES 2 TO 4 FEET.
LSZ146-031000-
PORT WING TO SAND ISLAND WI-
712 PM CDT WED SEP 2 2026
REST OF TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING
NORTHEAST 5 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY
CLEAR. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET BUILDING TO
1 TO 3 FEET IN THE AFTERNOON.
THURSDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS IN THE LATE EVENING AND
OVERNIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. SLIGHT
CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. CHANCE OF RAIN SHOWERS
AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
CHANCE OF SHOWERS IN THE MORNING. WAVES 1 TO 2 FEET BUILDING TO
1 TO 3 FEET IN THE AFTERNOON.
LSZ147-031000-
SAND ISLAND TO BAYFIELD WI-
712 PM CDT WED SEP 2 2026
REST OF TONIGHT
SOUTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
THURSDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
EAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
UNTIL EARLY MORNING. SLIGHT CHANCE OF SHOWERS IN THE EVENING.
SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. CHANCE OF
SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
CHANCE OF SHOWERS IN THE MORNING. WAVES 1 TO 3 FEET.
LSZ150-031000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
712 PM CDT WED SEP 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING...
REST OF TONIGHT
SOUTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
30 KNOTS. MOSTLY SUNNY. WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET
LATE IN THE AFTERNOON.
THURSDAY NIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS. SLIGHT CHANCE OF SHOWERS IN THE EVENING.
SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. CHANCE OF
SHOWERS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 30 KNOTS. CHANCE OF SHOWERS IN THE MORNING. WAVES
1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE AFTERNOON.
LSZ121-031000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
712 PM CDT WED SEP 2 2026
REST OF TONIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
THURSDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
30 KNOTS. MOSTLY SUNNY. WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET
LATE IN THE AFTERNOON.
THURSDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
30 KNOTS. CHANCE OF THUNDERSTORMS IN THE EVENING. CHANCE OF
SHOWERS THROUGH THE NIGHT. SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
FRIDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 30 KNOTS.
CHANCE OF SHOWERS IN THE MORNING, THEN SLIGHT CHANCE OF SHOWERS
IN THE AFTERNOON. WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET LATE
IN THE AFTERNOON.
LSZ148-031000-
OAK POINT TO SAXON HARBOR WI-
712 PM CDT WED SEP 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING...
REST OF TONIGHT
EAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING EAST 5 KNOTS TOWARD
DAYBREAK. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
30 KNOTS. MOSTLY SUNNY. WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET
LATE IN THE AFTERNOON.
THURSDAY NIGHT
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS.
CHANCE OF THUNDERSTORMS IN THE EVENING. CHANCE OF SHOWERS THROUGH
THE NIGHT. SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES
1 TO 3 FEET.
FRIDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS.
CHANCE OF SHOWERS IN THE MORNING, THEN SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FEET BUILDING TO
1 TO 3 FEET LATE IN THE AFTERNOON.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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