146
FZUS53 KDLH 280246
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
946 PM CDT MON APR 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.
LSZ140-281000-
GRAND PORTAGE TO GRAND MARAIS MN-
946 PM CDT MON APR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY
...GALE WARNING IN EFFECT FROM 4 AM CDT TUESDAY THROUGH TUESDAY
AFTERNOON...
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING NORTHWEST 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS AFTER MIDNIGHT. PATCHY FOG THROUGH THE NIGHT.
RAIN LATE IN THE EVENING. RAIN LIKELY AFTER MIDNIGHT, THEN CHANCE
OF RAIN TOWARD DAYBREAK. WAVES 3 TO 5 FEET.
TUESDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 25 KNOTS. CHANCE OF RAIN IN THE MORNING. WAVES 3 TO
5 FEET.
TUESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
WEDNESDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ141-281000-
GRAND MARAIS TO TACONITE HARBOR MN-
946 PM CDT MON APR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY
...GALE WARNING IN EFFECT FROM 4 AM CDT TUESDAY THROUGH TUESDAY
AFTERNOON...
REST OF TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING NORTHWEST 15 TO 20 KNOTS WITH GALES TO
AROUND 35 KNOTS AFTER MIDNIGHT. PATCHY FOG IN THE LATE EVENING
AND EARLY MORNING. RAIN LATE IN THE EVENING. RAIN LIKELY AFTER
MIDNIGHT, THEN CHANCE OF RAIN TOWARD DAYBREAK. WAVES 2 TO 4 FEET.
TUESDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 20 KNOTS. CHANCE OF RAIN IN THE MORNING. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
WEDNESDAY
WEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ142-281000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
946 PM CDT MON APR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY
...GALE WARNING IN EFFECT FROM 4 AM CDT TUESDAY THROUGH TUESDAY
AFTERNOON...
REST OF TONIGHT
NORTH WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST 15 TO 20 KNOTS WITH GALES TO AROUND
35 KNOTS AFTER MIDNIGHT. PATCHY FOG IN THE LATE EVENING AND EARLY
MORNING. RAIN LIKELY IN THE LATE EVENING AND EARLY MORNING, THEN
CHANCE OF RAIN TOWARD DAYBREAK. WAVES 2 TO 4 FEET.
TUESDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 20 KNOTS. SLIGHT CHANCE OF RAIN IN THE MORNING.
WAVES 1 TO 3 FEET.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.
WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ143-281000-
SILVER BAY HARBOR TO TWO HARBORS MN-
946 PM CDT MON APR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS AFTER MIDNIGHT. PATCHY FOG IN THE LATE EVENING AND EARLY
MORNING. RAIN LATE IN THE EVENING. RAIN LIKELY AFTER MIDNIGHT,
THEN CHANCE OF RAIN TOWARD DAYBREAK. WAVES 2 TO 4 FEET.
TUESDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS. MOSTLY SUNNY. WAVES 1 TO 3 FEET.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 KNOTS. SUNNY IN THE MORNING THEN
BECOMING PARTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ144-281000-
TWO HARBORS TO DULUTH MN-
946 PM CDT MON APR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS RISING TO 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS
AFTER MIDNIGHT. PATCHY FOG IN THE LATE EVENING AND EARLY MORNING.
RAIN LIKELY IN THE LATE EVENING AND EARLY MORNING, THEN SLIGHT
CHANCE OF RAIN TOWARD DAYBREAK. WAVES 2 TO 4 FEET.
TUESDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS. PARTLY SUNNY IN THE MORNING THEN
CLEARING. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE
MORNING AND AFTERNOON.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
WEDNESDAY
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
LSZ145-281000-
DULUTH MN TO PORT WING WI-
946 PM CDT MON APR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF TONIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS RISING TO 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS
AFTER MIDNIGHT. PATCHY FOG THROUGH THE NIGHT. RAIN LIKELY IN THE
LATE EVENING AND EARLY MORNING. SLIGHT CHANCE OF RAIN TOWARD
DAYBREAK. WAVES 3 TO 5 FEET.
TUESDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS. PARTLY SUNNY IN THE MORNING THEN
CLEARING. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET IN THE
AFTERNOON.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
WEDNESDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
LSZ146-281000-
PORT WING TO SAND ISLAND WI-
946 PM CDT MON APR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF TONIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS. PATCHY FOG THROUGH THE NIGHT. RAIN LIKELY IN THE LATE
EVENING AND EARLY MORNING. CHANCE OF RAIN TOWARD DAYBREAK. WAVES
3 TO 5 FEET.
TUESDAY
WEST WIND 20 TO 25 KNOTS EASING TO 5 TO 10 KNOTS LATE
IN THE AFTERNOON. MOSTLY SUNNY. WAVES 3 TO 5 FEET SUBSIDING TO
1 TO 2 FEET LATE IN THE AFTERNOON.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
WEDNESDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
LSZ147-281000-
SAND ISLAND TO BAYFIELD WI-
946 PM CDT MON APR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF TONIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO
30 KNOTS. PATCHY FOG THROUGH THE NIGHT. RAIN LIKELY IN THE LATE
EVENING AND EARLY MORNING. CHANCE OF RAIN TOWARD DAYBREAK. WAVES
3 TO 5 FEET.
TUESDAY
WEST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS
EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS LATE IN THE
AFTERNOON. SLIGHT CHANCE OF RAIN IN THE MORNING. WAVES 3 TO
5 FEET SUBSIDING TO 1 TO 3 FEET LATE IN THE AFTERNOON. WAVES
OCCASIONALLY TO 7 FEET.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
WEDNESDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
LSZ150-281000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
946 PM CDT MON APR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST
20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS AFTER MIDNIGHT.
PATCHY FOG THROUGH THE NIGHT. RAIN LIKELY IN THE LATE EVENING AND
EARLY MORNING. CHANCE OF RAIN TOWARD DAYBREAK. WAVES 3 TO 5 FEET.
WAVES OCCASIONALLY TO 7 FEET.
TUESDAY
WEST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS
EASING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS LATE IN
THE AFTERNOON. SLIGHT CHANCE OF RAIN IN THE MORNING. WAVES 4 TO
7 FEET SUBSIDING TO 2 TO 4 FEET LATE IN THE AFTERNOON. WAVES
OCCASIONALLY TO 9 FEET.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
WEDNESDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
LSZ121-281000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
946 PM CDT MON APR 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT TUESDAY THROUGH
TUESDAY AFTERNOON...
REST OF TONIGHT
WEST WIND 10 KNOTS RISING TO 15 TO 20 KNOTS
WITH GUSTS TO AROUND 25 KNOTS AFTER MIDNIGHT. PATCHY FOG THROUGH
THE NIGHT. RAIN LIKELY IN THE LATE EVENING AND EARLY MORNING.
CHANCE OF RAIN TOWARD DAYBREAK. WAVES 1 TO 2 FEET.
TUESDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
WEDNESDAY
NORTHWEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
LSZ148-281000-
OAK POINT TO SAXON HARBOR WI-
946 PM CDT MON APR 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT TUESDAY THROUGH
TUESDAY AFTERNOON...
REST OF TONIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS. PATCHY FOG THROUGH THE NIGHT. RAIN LIKELY IN THE LATE
EVENING AND EARLY MORNING. CHANCE OF RAIN TOWARD DAYBREAK. WAVES
1 TO 3 FEET BUILDING TO 2 TO 4 FEET TOWARD DAYBREAK.
TUESDAY
WEST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS
EASING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS LATE IN
THE AFTERNOON. SLIGHT CHANCE OF RAIN IN THE MORNING. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 2 FEET LATE IN THE AFTERNOON.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
WEDNESDAY
NORTHWEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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