594
FZUS53 KDLH 162332
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
632 PM CDT WED SEP 16 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.
LSZ140-171000-
GRAND PORTAGE TO GRAND MARAIS MN-
632 PM CDT WED SEP 16 2026
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING NORTH LATE IN
THE EVENING, THEN BECOMING SOUTHEAST AFTER MIDNIGHT BECOMING WEST
TOWARD DAYBREAK. CHANCE OF RAIN SHOWERS LATE IN THE EVENING.
SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
THURSDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
THURSDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHEAST
10 TO 15 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY IN THE EVENING
THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
FRIDAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO
2 FEET.
LSZ141-171000-
GRAND MARAIS TO TACONITE HARBOR MN-
632 PM CDT WED SEP 16 2026
REST OF TONIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTHWEST
5 KNOTS TOWARD DAYBREAK. SLIGHT CHANCE OF RAIN SHOWERS UNTIL
EARLY MORNING. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
THURSDAY NIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST
WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY IN
THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
EAST 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 IN THE AFTERNOON. WAVES 1 TO 3 FEET.
LSZ142-171000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
632 PM CDT WED SEP 16 2026
REST OF TONIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN SHOWERS
UNTIL EARLY MORNING. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
THURSDAY
WEST WIND 5 KNOTS. PATCHY FOG IN THE MORNING. WAVES
1 FOOT OR LESS.
THURSDAY NIGHT
NORTH WIND 5 KNOTS BECOMING NORTHEAST WITH
GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE AFTERNOON. CHANCE OF RAIN SHOWERS
IN THE AFTERNOON. WAVES 1 TO 3 FEET.
LSZ143-171000-
SILVER BAY HARBOR TO TWO HARBORS MN-
632 PM CDT WED SEP 16 2026
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS UNTIL EARLY
MORNING BECOMING VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN
SHOWERS IN THE EVENING. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT
OR LESS.
THURSDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST
10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT.
MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
FRIDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE AFTERNOON. CHANCE OF RAIN SHOWERS
IN THE AFTERNOON. WAVES 1 TO 3 FEET.
LSZ144-171000-
TWO HARBORS TO DULUTH MN-
632 PM CDT WED SEP 16 2026
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS UNTIL EARLY
MORNING BECOMING VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN
SHOWERS LATE IN THE EVENING. PATCHY FOG TOWARD DAYBREAK. WAVES
1 FOOT OR LESS.
THURSDAY
WEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
THURSDAY NIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST
10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT.
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES
1 TO 2 FEET.
FRIDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE AFTERNOON. CHANCE OF RAIN SHOWERS
IN THE MORNING, THEN RAIN SHOWERS LIKELY IN THE AFTERNOON. WAVES
1 TO 3 FEET.
LSZ145-171000-
DULUTH MN TO PORT WING WI-
632 PM CDT WED SEP 16 2026
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS UNTIL EARLY
MORNING BECOMING VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN
SHOWERS LATE IN THE EVENING. PATCHY FOG TOWARD DAYBREAK. WAVES
1 FOOT OR LESS.
THURSDAY
WEST WIND 5 KNOTS BECOMING NORTH LATE IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS RISING TO 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. PARTLY
CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO
2 FEET.
FRIDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
AFTERNOON. CHANCE OF RAIN SHOWERS IN THE MORNING, THEN RAIN
SHOWERS LIKELY IN THE AFTERNOON. WAVES 1 TO 3 FEET.
LSZ146-171000-
PORT WING TO SAND ISLAND WI-
632 PM CDT WED SEP 16 2026
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN SHOWERS
LATE IN THE EVENING. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
THURSDAY
WEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
THURSDAY NIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST
WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET.
FRIDAY
EAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS EARLY IN
THE MORNING THEN 20 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF RAIN
SHOWERS IN THE MORNING, THEN CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
LSZ147-171000-
SAND ISLAND TO BAYFIELD WI-
632 PM CDT WED SEP 16 2026
REST OF TONIGHT
EAST WIND 5 KNOTS UNTIL EARLY MORNING BECOMING
VARIABLE 10 KNOTS OR LESS. PATCHY FOG TOWARD DAYBREAK. WAVES
1 FOOT OR LESS.
THURSDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING WEST 5 KNOTS
IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
THURSDAY NIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST
WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET.
FRIDAY
EAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS EARLY IN
THE MORNING THEN 20 KNOTS IN THE AFTERNOON. CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
LSZ150-171000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
632 PM CDT WED SEP 16 2026
REST OF TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
TOWARD DAYBREAK. SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE
EVENING. PATCHY FOG TOWARD DAYBREAK. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
THURSDAY NIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTH LATE IN
THE EVENING, THEN BECOMING NORTHEAST 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
FRIDAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO 3 FEET.
LSZ121-171000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
632 PM CDT WED SEP 16 2026
REST OF TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST
AFTER MIDNIGHT, THEN BECOMING VARIABLE 10 KNOTS OR LESS TOWARD
DAYBREAK. PATCHY FOG TOWARD DAYBREAK. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 KNOTS BECOMING NORTH IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN
THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
EAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS
IN THE MORNING, THEN RAIN SHOWERS LIKELY IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
LSZ148-171000-
OAK POINT TO SAXON HARBOR WI-
632 PM CDT WED SEP 16 2026
REST OF TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING SOUTHWEST
TOWARD DAYBREAK. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WIND 5 KNOTS BECOMING NORTH EARLY IN THE
AFTERNOON, THEN BECOMING NORTHEAST LATE IN THE AFTERNOON. MOSTLY
SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTHEAST WIND 5 KNOTS BECOMING EAST. MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
EAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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