152
FZUS53 KDLH 240617
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
117 AM CDT THU SEP 24 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.
LSZ140-241600-
GRAND PORTAGE TO GRAND MARAIS MN-
117 AM CDT THU SEP 24 2026
TODAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. PARTLY SUNNY IN THE MORNING THEN BECOMING CLOUDY.
WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING SOUTH EARLY IN THE
MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES
1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST IN THE
LATE EVENING AND OVERNIGHT. PARTLY CLOUDY IN THE EVENING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ141-241600-
GRAND MARAIS TO TACONITE HARBOR MN-
117 AM CDT THU SEP 24 2026
TODAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE AFTERNOON.
WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTH AFTER MIDNIGHT,
THEN BECOMING VARIABLE 10 KNOTS OR LESS EARLY IN THE MORNING.
SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. PATCHY FOG AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST
5 KNOTS EARLY IN THE AFTERNOON, THEN BECOMING VARIABLE 10 KNOTS
OR LESS LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ142-241600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
117 AM CDT THU SEP 24 2026
TODAY
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST LATE IN THE
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING BECOMING
VARIABLE 10 KNOTS OR LESS. SLIGHT CHANCE OF RAIN SHOWERS IN THE
EVENING. PATCHY FOG THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR
LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ143-241600-
SILVER BAY HARBOR TO TWO HARBORS MN-
117 AM CDT THU SEP 24 2026
TODAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS
IN THE EVENING. PATCHY FOG THROUGH THE NIGHT. WAVES 1 FOOT OR
LESS.
FRIDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 TO
10 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES
1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN
THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ144-241600-
TWO HARBORS TO DULUTH MN-
117 AM CDT THU SEP 24 2026
TODAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE AFTERNOON. CHANCE OF
RAIN SHOWERS LATE IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS
IN THE EVENING. PATCHY FOG THROUGH THE NIGHT. WAVES 1 FOOT OR
LESS.
FRIDAY
EAST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE MORNING.
WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ145-241600-
DULUTH MN TO PORT WING WI-
117 AM CDT THU SEP 24 2026
TODAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
TONIGHT
EAST WIND 5 KNOTS BECOMING SOUTHEAST AFTER MIDNIGHT.
PATCHY FOG THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHEAST WIND 5 KNOTS BECOMING NORTHEAST IN THE
AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN
THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ146-241600-
PORT WING TO SAND ISLAND WI-
117 AM CDT THU SEP 24 2026
TODAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING EAST IN THE
AFTERNOON. PARTLY SUNNY EARLY IN THE MORNING THEN BECOMING
CLOUDY. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 KNOTS BECOMING SOUTH AFTER MIDNIGHT.
PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTH WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTHEAST 5 TO 10 KNOTS
IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR
LESS.
FRIDAY NIGHT
EAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ147-241600-
SAND ISLAND TO BAYFIELD WI-
117 AM CDT THU SEP 24 2026
TODAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH AFTER MIDNIGHT.
PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST LATE IN THE
MORNING, THEN BECOMING NORTHEAST IN THE AFTERNOON. PATCHY DENSE
FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
EAST WIND 5 KNOTS. PARTLY CLOUDY. WAVES 1 FOOT OR
LESS.
LSZ150-241600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
117 AM CDT THU SEP 24 2026
TODAY
SOUTH WIND 5 TO 10 KNOTS BECOMING EAST IN THE AFTERNOON.
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH AFTER MIDNIGHT.
PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTH WIND 5 KNOTS BECOMING NORTHEAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST EARLY
IN THE MORNING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ121-241600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
117 AM CDT THU SEP 24 2026
TODAY
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 KNOTS BECOMING SOUTH IN THE LATE EVENING
AND OVERNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
AREAS OF DENSE FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
EAST WIND 5 KNOTS BECOMING SOUTHEAST AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ148-241600-
OAK POINT TO SAXON HARBOR WI-
117 AM CDT THU SEP 24 2026
TODAY
SOUTH WIND 5 KNOTS BECOMING EAST LATE IN THE AFTERNOON.
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH IN THE LATE
EVENING AND OVERNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
FRIDAY
SOUTH WIND 5 KNOTS BECOMING NORTHEAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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