308
FZUS53 KDLH 271835
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
135 PM 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-
135 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS LATE. PATCHY DENSE FOG EARLY IN
THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE
AFTERNOON. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET LATE.
TONIGHT
NORTHWEST WIND 5 KNOTS. PATCHY FOG. WAVES 1 FOOT OR
LESS.
TUESDAY
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
MORNING, THEN BECOMING SOUTHWEST IN THE AFTERNOON. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHWEST WIND 5 KNOTS. PATCHY FOG AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ141-272200-
GRAND MARAIS TO TACONITE HARBOR MN-
135 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS LATE. PATCHY DENSE FOG EARLY IN
THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE DAY.
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 EARLY IN THE MORNING
BECOMING EAST 5 KNOTS, THEN BECOMING SOUTH EARLY IN THE AFTERNOON
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TUESDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PATCHY FOG IN
THE EVENING. AREAS OF FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
LSZ142-272200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
135 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS EASING TO 5 KNOTS
LATE. GUSTS UP TO 20 KNOTS. PATCHY DENSE FOG THROUGH THE DAY.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE DAY. 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. PARTLY SUNNY. WAVES
1 FOOT OR LESS.
TUESDAY NIGHT
VARIABLE WINDS 10 KNOTS OR LESS. PATCHY FOG.
WAVES 1 FOOT OR LESS.
LSZ143-272200-
SILVER BAY HARBOR TO TWO HARBORS MN-
135 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS LATE. PATCHY DENSE FOG THROUGH
THE DAY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE
DAY. WAVES 1 TO 3 FEET 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 NORTHEAST
5 KNOTS LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES
1 FOOT OR LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PATCHY FOG THROUGH THE NIGHT. WAVES
1 FOOT OR LESS.
LSZ144-272200-
TWO HARBORS TO DULUTH MN-
135 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS LATE. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS EARLY IN THE AFTERNOON. PATCHY DENSE FOG
THROUGH THE DAY. WAVES 1 TO 3 FEET.
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 SOUTH 5 KNOTS
LATE IN THE MORNING, THEN BECOMING SOUTHEAST EARLY IN THE
AFTERNOON BECOMING EAST LATE IN THE 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. PATCHY FOG AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
LSZ145-272200-
DULUTH MN TO PORT WING WI-
135 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS LATE. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS EARLY IN THE AFTERNOON. PATCHY DENSE FOG
THROUGH THE DAY. WAVES 1 TO 3 FEET.
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. PATCHY FOG AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
LSZ146-272200-
PORT WING TO SAND ISLAND WI-
135 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS LATE. PATCHY FOG EARLY IN THE
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE AFTERNOON.
WAVES 1 TO 3 FEET 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 LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES
1 FOOT OR LESS.
TUESDAY NIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. AREAS OF FOG AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
LSZ147-272200-
SAND ISLAND TO BAYFIELD WI-
135 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS LATE. SLIGHT CHANCE OF RAIN
SHOWERS EARLY IN THE 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
SOUTHEAST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS. PATCHY FOG AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
LSZ150-272200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
135 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. PATCHY FOG EARLY IN THE AFTERNOON. CHANCE OF
RAIN SHOWERS EARLY IN THE AFTERNOON. WAVES 2 TO 4 FEET.
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 IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS. PATCHY FOG AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
LSZ121-272200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
135 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. SLIGHT CHANCE OF SHOWERS EARLY IN THE AFTERNOON.
WAVES 2 TO 4 FEET.
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. PATCHY FOG AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
LSZ148-272200-
OAK POINT TO SAXON HARBOR WI-
135 PM CDT MON JUL 27 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM CDT TUESDAY
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON
REST OF TODAY
NORTHEAST WIND 10 KNOTS WITH GUSTS TO AROUND
30 KNOTS RISING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
LATE. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE
AFTERNOON. WAVES 2 TO 4 FEET.
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 EAST 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, THEN BECOMING SOUTHWEST 5 KNOTS EARLY
IN THE MORNING. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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