374
FZUS53 KDLH 301618
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1118 AM CDT WED SEP 30 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.
LSZ140-302200-
GRAND PORTAGE TO GRAND MARAIS MN-
1118 AM CDT WED SEP 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TODAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE AFTERNOON. PATCHY DENSE FOG IN THE AFTERNOON.
WAVES 1 TO 3 FEET.
TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT. PATCHY DENSE FOG IN THE EVENING. WAVES 1 TO 2 FEET.
THURSDAY
NORTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS IN THE AFTERNOON. PARTLY SUNNY IN THE MORNING THEN
CLEARING. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ141-302200-
GRAND MARAIS TO TACONITE HARBOR MN-
1118 AM CDT WED SEP 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. PATCHY DENSE FOG
IN THE AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTHWEST AFTER MIDNIGHT.
PATCHY DENSE FOG IN THE EVENING. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 TO
2 FEET.
THURSDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ142-302200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1118 AM CDT WED SEP 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTHWEST WITH GUSTS TO
AROUND 20 KNOTS 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 LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
THURSDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING THEN 20 KNOTS EARLY IN THE MORNING.
PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ143-302200-
SILVER BAY HARBOR TO TWO HARBORS MN-
1118 AM CDT WED SEP 30 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
WEST WIND 5 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.
THURSDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING THEN 20 KNOTS EARLY IN THE MORNING.
MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ144-302200-
TWO HARBORS TO DULUTH MN-
1118 AM CDT WED SEP 30 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
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 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
LSZ145-302200-
DULUTH MN TO PORT WING WI-
1118 AM CDT WED SEP 30 2026
REST OF TODAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST EARLY IN
THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ146-302200-
PORT WING TO SAND ISLAND WI-
1118 AM CDT WED SEP 30 2026
REST OF TODAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST EARLY IN
THE MORNING. 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 TO 2 FEET.
THURSDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ147-302200-
SAND ISLAND TO BAYFIELD WI-
1118 AM CDT WED SEP 30 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST EARLY IN THE
MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHWEST WIND 10 TO 15 KNOTS BECOMING WEST LATE IN
THE AFTERNOON. GUSTS UP TO 20 KNOTS IN THE AFTERNOON. MOSTLY
SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
LSZ150-302200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1118 AM CDT WED SEP 30 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST EARLY
IN THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING WEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. MOSTLY
SUNNY. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ121-302200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1118 AM CDT WED SEP 30 2026
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 KNOTS BECOMING WEST EARLY IN THE
MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ148-302200-
OAK POINT TO SAXON HARBOR WI-
1118 AM CDT WED SEP 30 2026
REST OF TODAY
SOUTHWEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 KNOTS BECOMING WEST EARLY IN THE
MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE EVENING THEN 20 KNOTS EARLY IN THE MORNING.
MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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