066
FZUS53 KDLH 042200
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
500 PM CDT FRI SEP 4 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.
LSZ140-050400-
GRAND PORTAGE TO GRAND MARAIS MN-
500 PM CDT FRI SEP 4 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT SATURDAY
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
MOSTLY CLOUDY. WAVES 1 TO 3 FEET.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ141-050400-
GRAND MARAIS TO TACONITE HARBOR MN-
500 PM CDT FRI SEP 4 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT SATURDAY
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS.
MOSTLY CLOUDY. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE
LATE EVENING AND OVERNIGHT.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
SUNDAY
EAST WIND 5 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ142-050400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
500 PM CDT FRI SEP 4 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT SATURDAY
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
SUNDAY
NORTHEAST WIND 5 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ143-050400-
SILVER BAY HARBOR TO TWO HARBORS MN-
500 PM CDT FRI SEP 4 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT SATURDAY
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
PATCHY FOG AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET AFTER MIDNIGHT.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PATCHY FOG IN THE MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
LSZ144-050400-
TWO HARBORS TO DULUTH MN-
500 PM CDT FRI SEP 4 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT SATURDAY
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS LATE IN THE NIGHT. PATCHY FOG IN
THE LATE EVENING AND OVERNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO
1 TO 2 FEET LATE IN THE NIGHT.
SATURDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
IN THE LATE MORNING AND AFTERNOON. PATCHY FOG IN THE MORNING.
WAVES 1 TO 3 FEET.
SATURDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. PARTLY
CLOUDY. WAVES 1 TO 3 FEET.
SUNDAY
EAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS
IN THE AFTERNOON. WAVES 1 TO 2 FEET.
LSZ145-050400-
DULUTH MN TO PORT WING WI-
500 PM CDT FRI SEP 4 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT SATURDAY
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
PATCHY FOG IN THE LATE EVENING AND OVERNIGHT. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 2 FEET.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 1 TO 2 FEET.
LSZ146-050400-
PORT WING TO SAND ISLAND WI-
500 PM CDT FRI SEP 4 2026
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
PATCHY FOG AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET AFTER MIDNIGHT.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
SUNDAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 TO
2 FEET.
LSZ147-050400-
SAND ISLAND TO BAYFIELD WI-
500 PM CDT FRI SEP 4 2026
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
SUNDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ150-050400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
500 PM CDT FRI SEP 4 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT SATURDAY
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 TO
2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING EAST EARLY IN THE MORNING. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
SUNDAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ121-050400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
500 PM CDT FRI SEP 4 2026
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
PATCHY FOG IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 3 FEET.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR
LESS.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 20 KNOTS UNTIL EARLY MORNING BECOMING VARIABLE 10 KNOTS OR
LESS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
SUNDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 TO
10 KNOTS IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ148-050400-
OAK POINT TO SAXON HARBOR WI-
500 PM CDT FRI SEP 4 2026
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 TO
2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING SOUTH EARLY IN THE MORNING. PARTLY
CLOUDY. WAVES 1 FOOT OR LESS.
SUNDAY
SOUTH WIND 5 KNOTS BECOMING NORTHEAST IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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