710
FZUS53 KDLH 300400
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1100 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.
LSZ140-301000-
GRAND PORTAGE TO GRAND MARAIS MN-
1100 PM CDT TUE SEP 29 2026
REST OF TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS TOWARD DAYBREAK. PATCHY FOG LATE
IN THE EVENING. CHANCE OF RAIN SHOWERS LATE IN THE EVENING.
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.
LSZ141-301000-
GRAND MARAIS TO TACONITE HARBOR MN-
1100 PM CDT TUE SEP 29 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. PATCHY FOG LATE
IN THE EVENING. CHANCE OF RAIN SHOWERS LATE IN THE EVENING.
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.
LSZ142-301000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1100 PM CDT TUE SEP 29 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
RAIN SHOWERS LATE IN THE EVENING. PATCHY FOG THROUGH THE NIGHT.
WAVES 1 FOOT OR LESS.
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.
LSZ143-301000-
SILVER BAY HARBOR TO TWO HARBORS MN-
1100 PM CDT TUE SEP 29 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF
RAIN SHOWERS LATE IN THE EVENING. PATCHY FOG THROUGH THE NIGHT.
WAVES 1 FOOT OR LESS.
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.
LSZ144-301000-
TWO HARBORS TO DULUTH MN-
1100 PM CDT TUE SEP 29 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. PATCHY FOG.
WAVES 1 FOOT OR LESS.
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.
LSZ145-301000-
DULUTH MN TO PORT WING WI-
1100 PM CDT TUE SEP 29 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. PATCHY FOG.
WAVES 1 FOOT OR LESS.
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.
LSZ146-301000-
PORT WING TO SAND ISLAND WI-
1100 PM CDT TUE SEP 29 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. PATCHY FOG
THROUGH THE NIGHT. 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
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ147-301000-
SAND ISLAND TO BAYFIELD WI-
1100 PM CDT TUE SEP 29 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. PATCHY FOG LATE
IN THE EVENING. 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.
LSZ150-301000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1100 PM CDT TUE SEP 29 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS LATE IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS LATE
IN THE EVENING. PATCHY FOG LATE IN THE EVENING. 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.
LSZ121-301000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1100 PM CDT TUE SEP 29 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. PATCHY FOG LATE
IN THE EVENING. 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.
LSZ148-301000-
OAK POINT TO SAXON HARBOR WI-
1100 PM CDT TUE SEP 29 2026
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS LATE IN
THE EVENING. PATCHY FOG LATE IN THE EVENING. 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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