202
FZUS53 KDLH 041618
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1118 AM 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.
LSZ140-042200-
GRAND PORTAGE TO GRAND MARAIS MN-
1118 AM CDT FRI SEP 4 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS INCREASING TO 30 KNOTS IN THE AFTERNOON. SLIGHT CHANCE
OF RAIN SHOWERS THROUGH THE DAY. WAVES 1 TO 3 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 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. MOSTLY SUNNY. WAVES
1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
LSZ141-042200-
GRAND MARAIS TO TACONITE HARBOR MN-
1118 AM CDT FRI SEP 4 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF TODAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
30 KNOTS. PATCHY FOG LATE IN THE MORNING. SLIGHT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS.
MOSTLY CLOUDY. 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 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
LSZ142-042200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1118 AM CDT FRI SEP 4 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. PATCHY FOG LATE IN THE MORNING. SLIGHT CHANCE OF
RAIN SHOWERS LATE. WAVES 2 TO 4 FEET.
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.
LSZ143-042200-
SILVER BAY HARBOR TO TWO HARBORS MN-
1118 AM CDT FRI SEP 4 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. PATCHY FOG LATE IN THE MORNING. WAVES 2 TO
4 FEET.
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 FOOT OR
LESS.
LSZ144-042200-
TWO HARBORS TO DULUTH MN-
1118 AM CDT FRI SEP 4 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS IN THE AFTERNOON. PATCHY FOG
THROUGH THE DAY. WAVES 2 TO 4 FEET.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS EARLY IN THE MORNING. PATCHY FOG
AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT.
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 2 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 2 FEET.
LSZ145-042200-
DULUTH MN TO PORT WING WI-
1118 AM CDT FRI SEP 4 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS IN THE AFTERNOON. AREAS OF DENSE
FOG LATE IN THE MORNING, THEN PATCHY FOG IN THE AFTERNOON. WAVES
2 TO 4 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
PATCHY FOG THROUGH THE NIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
2 FEET EARLY IN THE MORNING.
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.
LSZ146-042200-
PORT WING TO SAND ISLAND WI-
1118 AM CDT FRI SEP 4 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS IN THE AFTERNOON. PATCHY FOG.
WAVES 1 TO 3 FEET.
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 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 FOOT OR
LESS.
LSZ147-042200-
SAND ISLAND TO BAYFIELD WI-
1118 AM CDT FRI SEP 4 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS IN THE AFTERNOON. PATCHY FOG LATE IN THE MORNING. WAVES
1 TO 3 FEET.
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.
LSZ150-042200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1118 AM CDT FRI SEP 4 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 30 KNOTS. PATCHY FOG LATE IN THE MORNING.
WAVES 2 TO 4 FEET.
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 EARLY IN THE MORNING.
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.
LSZ121-042200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1118 AM CDT FRI SEP 4 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
PATCHY FOG THROUGH THE NIGHT. WAVES 1 TO 2 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.
LSZ148-042200-
OAK POINT TO SAXON HARBOR WI-
1118 AM CDT FRI SEP 4 2026
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. MOSTLY CLOUDY. WAVES 1 TO 3 FEET BUILDING TO 2 TO
4 FEET LATE.
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
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.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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