718
FZUS53 KDLH 292233
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
532 PM CDT TUE SEP 29 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.
LSZ140-300400-
GRAND PORTAGE TO GRAND MARAIS MN-
532 PM CDT TUE SEP 29 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS LATE IN THE EVENING, THEN DECREASING TO
25 KNOTS AFTER MIDNIGHT DECREASING TO 20 KNOTS LATE IN THE NIGHT.
PATCHY FOG UNTIL EARLY MORNING. RAIN SHOWERS LIKELY EARLY IN THE
EVENING. CHANCE OF RAIN SHOWERS LATE IN THE EVENING, THEN SLIGHT
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 2 TO 4 FEET.
WEDNESDAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS EARLY IN THE AFTERNOON, THEN DECREASING TO
20 KNOTS LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES
1 TO 3 FEET.
WEDNESDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST 5 TO 10 KNOTS EARLY IN THE MORNING.
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES
1 TO 3 FEET.
THURSDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ141-300400-
GRAND MARAIS TO TACONITE HARBOR MN-
532 PM CDT TUE SEP 29 2026
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. PATCHY FOG UNTIL EARLY MORNING. RAIN SHOWERS LIKELY
EARLY IN THE EVENING. CHANCE OF RAIN SHOWERS LATE IN THE EVENING,
THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 TO
2 FEET.
WEDNESDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST
WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY
IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE
LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ142-300400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
532 PM CDT TUE SEP 29 2026
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. RAIN SHOWERS LIKELY EARLY IN THE EVENING. CHANCE OF
RAIN SHOWERS LATE IN THE EVENING. PATCHY FOG THROUGH THE NIGHT.
WAVES 1 TO 2 FEET.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR
LESS.
WEDNESDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST
EARLY IN THE MORNING. PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE
LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ143-300400-
SILVER BAY HARBOR TO TWO HARBORS MN-
532 PM CDT TUE SEP 29 2026
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. CHANCE OF RAIN SHOWERS IN THE EVENING.
PATCHY FOG THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR
LESS.
WEDNESDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST
EARLY IN THE MORNING. PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ144-300400-
TWO HARBORS TO DULUTH MN-
532 PM CDT TUE SEP 29 2026
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE EVENING. CHANCE OF RAIN SHOWERS EARLY IN THE
EVENING. SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE EVENING.
PATCHY FOG THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST
EARLY IN THE MORNING. PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ145-300400-
DULUTH MN TO PORT WING WI-
532 PM CDT TUE SEP 29 2026
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. CHANCE OF RAIN SHOWERS EARLY IN THE EVENING. SLIGHT
CHANCE OF RAIN SHOWERS LATE IN THE EVENING. PATCHY FOG THROUGH
THE NIGHT. WAVES 1 TO 2 FEET.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST
EARLY IN THE MORNING. PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ146-300400-
PORT WING TO SAND ISLAND WI-
532 PM CDT TUE SEP 29 2026
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. CHANCE OF RAIN SHOWERS IN THE EVENING. PATCHY FOG IN
THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 2 FEET.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
IN THE LATE MORNING AND EARLY AFTERNOON. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
WEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ147-300400-
SAND ISLAND TO BAYFIELD WI-
532 PM CDT TUE SEP 29 2026
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. RAIN SHOWERS LIKELY EARLY IN THE EVENING, THEN
CHANCE OF RAIN SHOWERS LATE IN THE EVENING. PATCHY FOG IN THE
LATE EVENING AND EARLY MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
IN THE LATE MORNING AND EARLY AFTERNOON. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
WEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE
LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ150-300400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
532 PM CDT TUE SEP 29 2026
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
UNTIL EARLY MORNING. RAIN SHOWERS LIKELY EARLY IN THE EVENING,
THEN CHANCE OF RAIN SHOWERS LATE IN THE EVENING. PATCHY FOG IN
THE LATE EVENING AND EARLY MORNING. WAVES 1 TO 2 FEET.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
IN THE LATE MORNING AND EARLY AFTERNOON. PATCHY FOG IN THE
MORNING. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
WEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN THE
LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ121-300400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
532 PM CDT TUE SEP 29 2026
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 25 KNOTS.
SHOWERS LIKELY EARLY IN THE EVENING, THEN CHANCE OF SHOWERS LATE
IN THE EVENING. PATCHY FOG IN THE LATE EVENING AND EARLY MORNING.
WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST
EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ148-300400-
OAK POINT TO SAXON HARBOR WI-
532 PM CDT TUE SEP 29 2026
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
RAIN SHOWERS LIKELY EARLY IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS LATE IN THE EVENING. PATCHY FOG IN THE LATE EVENING AND
EARLY MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST LATE IN
THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST
EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES
1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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