649
FZUS53 KDLH 271353
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
853 AM CDT MON JUL 27 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.
LSZ140-272200-
GRAND PORTAGE TO GRAND MARAIS MN-
853 AM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS EARLY IN THE AFTERNOON, THEN DECREASING TO
20 KNOTS LATE. PATCHY DENSE FOG EARLY IN THE MORNING. SLIGHT
CHANCE OF THUNDERSTORMS EARLY IN THE MORNING. CHANCE OF RAIN
SHOWERS EARLY IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS IN
THE LATE MORNING AND EARLY AFTERNOON. WAVES 1 TO 2 FEET BUILDING
TO 1 TO 3 FEET IN THE LATE MORNING AND EARLY AFTERNOON, THEN
SUBSIDING TO 1 TO 2 FEET LATE.
TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTH EARLY IN THE
MORNING. PATCHY FOG. WAVES 1 FOOT OR LESS.
TUESDAY
NORTHEAST WIND 5 KNOTS BECOMING SOUTH IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHWEST WIND 5 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
LSZ141-272200-
GRAND MARAIS TO TACONITE HARBOR MN-
853 AM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
EAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST WITH
GUSTS TO AROUND 25 KNOTS IN THE LATE MORNING AND AFTERNOON.
PATCHY DENSE FOG EARLY IN THE MORNING. CHANCE OF THUNDERSTORMS
EARLY IN THE MORNING. CHANCE OF RAIN SHOWERS THROUGH THE DAY.
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO
2 FEET.
TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING WEST IN THE LATE
EVENING AND EARLY MORNING, THEN BECOMING VARIABLE 10 KNOTS OR
LESS EARLY IN THE MORNING. PATCHY FOG. WAVES 1 FOOT OR LESS.
TUESDAY
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. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ142-272200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
853 AM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING NORTH 5 KNOTS WITH GUSTS TO AROUND
20 KNOTS LATE. PATCHY DENSE FOG THROUGH THE DAY. CHANCE OF
THUNDERSTORMS EARLY IN THE MORNING. CHANCE OF RAIN SHOWERS
THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
EVENING AND EARLY MORNING, THEN BECOMING VARIABLE 10 KNOTS OR
LESS EARLY IN THE MORNING. PATCHY FOG. WAVES 1 FOOT OR LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ143-272200-
SILVER BAY HARBOR TO TWO HARBORS MN-
853 AM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON DECREASING TO
20 KNOTS. PATCHY DENSE FOG THROUGH THE DAY. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 FOOT OR LESS BUILDING TO 1 TO 3 FEET IN THE LATE MORNING
AND EARLY AFTERNOON, THEN SUBSIDING TO 1 TO 2 FEET LATE.
TONIGHT
NORTH WIND 5 KNOTS BECOMING NORTHWEST IN THE LATE
EVENING AND EARLY MORNING, THEN BECOMING VARIABLE 10 KNOTS OR
LESS EARLY IN THE MORNING. PATCHY FOG. WAVES 1 FOOT OR LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
IN THE AFTERNOON. PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF
RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 FOOT
OR LESS.
LSZ144-272200-
TWO HARBORS TO DULUTH MN-
853 AM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON DECREASING TO
20 KNOTS. PATCHY FOG IN THE LATE MORNING AND EARLY AFTERNOON.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 FOOT OR LESS BUILDING TO 1 TO 3 FEET IN THE LATE MORNING
AND AFTERNOON.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 TO
2 FEET.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
IN THE LATE MORNING AND AFTERNOON. PATCHY FOG IN THE MORNING.
WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT
OR LESS.
LSZ145-272200-
DULUTH MN TO PORT WING WI-
853 AM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
NORTHEAST WIND 20 TO 25 KNOTS EASING TO 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE AFTERNOON. PATCHY
FOG IN THE LATE MORNING AND EARLY AFTERNOON. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE AFTERNOON. WAVES 1 FOOT OR
LESS BUILDING TO 1 TO 3 FEET IN THE LATE MORNING AND AFTERNOON.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY. WAVES 1 TO
2 FEET.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE LATE MORNING AND AFTERNOON. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT
OR LESS.
LSZ146-272200-
PORT WING TO SAND ISLAND WI-
853 AM CDT MON JUL 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON DECREASING TO
20 KNOTS. PATCHY FOG EARLY IN THE MORNING. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. SLIGHT CHANCE OF
RAIN SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS BUILDING TO
1 TO 3 FEET IN THE LATE MORNING AND EARLY AFTERNOON, THEN
SUBSIDING TO 1 TO 2 FEET LATE.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT
OR LESS.
TUESDAY NIGHT
EAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ147-272200-
SAND ISLAND TO BAYFIELD WI-
853 AM CDT MON JUL 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS LATE IN THE MORNING INCREASING TO 25 KNOTS, THEN
DECREASING TO 20 KNOTS LATE. PATCHY FOG EARLY IN THE MORNING.
PATCHY SMOKE LATE IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS
EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE
DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE LATE MORNING AND EARLY
AFTERNOON. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET LATE.
TONIGHT
EAST WIND 5 KNOTS IN THE EVENING BECOMING VARIABLE
10 KNOTS OR LESS. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR
LESS.
TUESDAY NIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ150-272200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
853 AM CDT MON JUL 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS IN THE LATE MORNING AND AFTERNOON. PATCHY FOG EARLY IN
THE MORNING. PATCHY SMOKE LATE IN THE MORNING. PATCHY FOG EARLY
IN THE AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE
MORNING. SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE DAY. SLIGHT
CHANCE OF THUNDERSTORMS IN THE LATE MORNING AND EARLY AFTERNOON.
WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND
AFTERNOON.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST IN THE
LATE EVENING AND EARLY MORNING, THEN BECOMING VARIABLE 10 KNOTS
OR LESS EARLY IN THE MORNING. PATCHY FOG AFTER MIDNIGHT. WAVES
1 TO 2 FEET.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR
LESS.
TUESDAY NIGHT
EAST WIND 5 KNOTS UNTIL EARLY MORNING BECOMING
VARIABLE 10 KNOTS OR LESS. MOSTLY CLOUDY IN THE EVENING THEN
BECOMING PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ121-272200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
853 AM CDT MON JUL 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS IN THE LATE MORNING AND AFTERNOON. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 FOOT OR LESS
BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND AFTERNOON.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE
IN THE EVENING, THEN BECOMING VARIABLE 10 KNOTS OR LESS AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING EAST 5 KNOTS
IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR
LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. PARTLY CLOUDY. WAVES 1 FOOT
OR LESS.
LSZ148-272200-
OAK POINT TO SAXON HARBOR WI-
853 AM CDT MON JUL 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS IN THE LATE MORNING AND AFTERNOON. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE AFTERNOON. SLIGHT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. PATCHY FOG LATE. WAVES 1 TO 2 FEET
BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND AFTERNOON.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
TUESDAY
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT
OR LESS.
TUESDAY NIGHT
EAST WIND 5 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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page