627
FZUS53 KDLH 271623
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1123 AM 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.
LSZ140-272200-
GRAND PORTAGE TO GRAND MARAIS MN-
1123 AM CDT MON APR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. PATCHY FOG THROUGH THE DAY. CHANCE OF RAIN LATE
IN THE MORNING. RAIN AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WAVES 3 TO 5 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTHWEST 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS AFTER MIDNIGHT. PATCHY FOG THROUGH THE NIGHT. RAIN IN
THE EVENING. CHANCE OF RAIN AFTER MIDNIGHT. WAVES 3 TO 5 FEET.
TUESDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 25 KNOTS. SLIGHT CHANCE OF RAIN IN THE MORNING.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET LATE IN THE AFTERNOON.
A GALE WARNING MAY BE NEEDED.
TUESDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ141-272200-
GRAND MARAIS TO TACONITE HARBOR MN-
1123 AM CDT MON APR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. PATCHY FOG. RAIN. WAVES 3 TO 5 FEET. WAVES
OCCASIONALLY TO 7 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTHWEST 15 TO 20 KNOTS WITH GALES TO AROUND
35 KNOTS AFTER MIDNIGHT. PATCHY FOG THROUGH THE NIGHT. RAIN IN
THE EVENING. CHANCE OF RAIN AFTER MIDNIGHT. WAVES 3 TO 5 FEET. A
GALE WARNING MAY BE NEEDED.
TUESDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 20 KNOTS. SLIGHT CHANCE OF RAIN IN THE MORNING.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE AFTERNOON. A
GALE WARNING MAY BE NEEDED.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
LSZ142-272200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1123 AM CDT MON APR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...
REST OF TODAY
NORTHEAST 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. RAIN. WAVES 3 TO
5 FEET. WAVES OCCASIONALLY TO 7 FEET.
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 EVENING. RAIN IN THE
EVENING, THEN RAIN LIKELY AFTER MIDNIGHT. WAVES 3 TO 5 FEET. A
GALE WARNING MAY BE NEEDED.
TUESDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 20 KNOTS. MOSTLY SUNNY. WAVES 1 TO 3 FEET. A GALE
WARNING MAY BE NEEDED.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ143-272200-
SILVER BAY HARBOR TO TWO HARBORS MN-
1123 AM CDT MON APR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS IN THE AFTERNOON. PATCHY DENSE
FOG. RAIN. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY TO 7 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS EARLY IN THE MORNING. PATCHY FOG IN THE EVENING. RAIN IN
THE EVENING, THEN CHANCE OF RAIN AFTER MIDNIGHT. WAVES 3 TO
5 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.
LSZ144-272200-
TWO HARBORS TO DULUTH MN-
1123 AM CDT MON APR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. PATCHY DENSE FOG. RAIN. WAVES 3 TO 5 FEET. WAVES
OCCASIONALLY TO 7 FEET.
TONIGHT
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS IN THE LATE EVENING AND OVERNIGHT. PATCHY FOG IN THE
EVENING. RAIN IN THE EVENING, THEN CHANCE OF RAIN AFTER MIDNIGHT.
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.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ145-272200-
DULUTH MN TO PORT WING WI-
1123 AM CDT MON APR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF TODAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. PATCHY DENSE FOG. RAIN. WAVES 3 TO 5 FEET.
TONIGHT
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS IN THE LATE EVENING AND OVERNIGHT. PATCHY FOG THROUGH
THE NIGHT. RAIN LIKELY IN THE EVENING. CHANCE OF RAIN AFTER
MIDNIGHT. 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 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE
AFTERNOON.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ146-272200-
PORT WING TO SAND ISLAND WI-
1123 AM CDT MON APR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE AFTERNOON. PATCHY FOG THROUGH THE DAY. SLIGHT
CHANCE OF THUNDERSTORMS LATE IN THE MORNING. RAIN THROUGH THE
DAY. WAVES 3 TO 5 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS IN THE LATE EVENING AND OVERNIGHT. PATCHY FOG THROUGH
THE NIGHT. RAIN LIKELY IN THE EVENING. CHANCE OF RAIN AFTER
MIDNIGHT. WAVES 2 TO 4 FEET.
TUESDAY
WEST WIND 20 TO 25 KNOTS EASING TO 5 TO 10 KNOTS LATE
IN THE AFTERNOON. MOSTLY SUNNY. WAVES 2 TO 4 FEET SUBSIDING TO
1 TO 3 FEET IN THE AFTERNOON.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ147-272200-
SAND ISLAND TO BAYFIELD WI-
1123 AM CDT MON APR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS LATE. PATCHY FOG. RAIN AND SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 2 TO 4 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST 15 TO
20 KNOTS WITH GUSTS TO AROUND 30 KNOTS IN THE LATE EVENING AND
OVERNIGHT. PATCHY FOG THROUGH THE NIGHT. RAIN IN THE EVENING.
CHANCE OF RAIN AFTER MIDNIGHT. WAVES 2 TO 4 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. PARTLY SUNNY IN THE MORNING THEN CLEARING. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET IN THE AFTERNOON.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
LSZ150-272200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1123 AM CDT MON APR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF TODAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS. PATCHY FOG THROUGH THE DAY. RAIN LIKELY LATE IN
THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE DAY. RAIN
IN THE AFTERNOON. WAVES 3 TO 5 FEET. WAVES OCCASIONALLY TO
7 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS IN THE LATE EVENING AND OVERNIGHT. PATCHY FOG THROUGH
THE NIGHT. RAIN IN THE EVENING. CHANCE OF RAIN AFTER MIDNIGHT.
WAVES 3 TO 5 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. PARTLY SUNNY IN THE MORNING THEN CLEARING. WAVES
3 TO 5 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.
LSZ121-272200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1123 AM CDT MON APR 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY AFTERNOON...
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE AFTERNOON. PATCHY FOG THROUGH THE DAY. RAIN
LIKELY LATE IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS
THROUGH THE DAY. RAIN IN THE AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST 15 TO
20 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND
OVERNIGHT. PATCHY FOG IN THE EVENING. RAIN IN THE EVENING, THEN
CHANCE OF RAIN AFTER MIDNIGHT. 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.
LSZ148-272200-
OAK POINT TO SAXON HARBOR WI-
1123 AM CDT MON APR 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY AFTERNOON...
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE AFTERNOON. PATCHY FOG THROUGH THE DAY. RAIN
LIKELY LATE IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS
THROUGH THE DAY. RAIN IN THE AFTERNOON. WAVES 2 TO 4 FEET.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING WEST 15 TO
20 KNOTS WITH GUSTS TO AROUND 30 KNOTS IN THE LATE EVENING AND
OVERNIGHT. PATCHY FOG THROUGH THE NIGHT. RAIN IN THE EVENING.
CHANCE OF RAIN AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO
1 TO 2 FEET AFTER MIDNIGHT, THEN BUILDING TO 1 TO 3 FEET EARLY IN
THE MORNING.
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. PARTLY SUNNY IN THE MORNING THEN CLEARING. WAVES
2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE AFTERNOON.
TUESDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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