584
FZUS53 KDLH 032348
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
648 PM CDT SUN MAY 3 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.
LSZ140-041000-
GRAND PORTAGE TO GRAND MARAIS MN-
648 PM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH MONDAY EVENING...
REST OF TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
30 KNOTS. CHANCE OF RAIN SHOWERS TOWARD DAYBREAK. WAVES 1 TO
2 FEET BUILDING TO 3 TO 5 FEET AFTER MIDNIGHT.
MONDAY
WEST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS.
CHANCE OF RAIN SHOWERS IN THE MORNING. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY TO 8 FEET.
MONDAY NIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS. PARTLY CLOUDY. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
TUESDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
MORNING. PARTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ141-041000-
GRAND MARAIS TO TACONITE HARBOR MN-
648 PM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH MONDAY EVENING...
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS TOWARD DAYBREAK. WAVES
1 TO 3 FEET BUILDING TO 2 TO 4 FEET TOWARD DAYBREAK.
MONDAY
WEST WIND 20 TO 25 KNOTS EASING TO 15 TO 20 KNOTS LATE
IN THE AFTERNOON. CHANCE OF RAIN SHOWERS IN THE MORNING. CHANCE
OF SPRINKLES IN THE AFTERNOON. WAVES 2 TO 4 FEET.
MONDAY NIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING NORTHWEST 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 TO 3 FEET
SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING AND OVERNIGHT.
TUESDAY
WEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS EARLY IN
THE MORNING. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ142-041000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
648 PM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH MONDAY EVENING...
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS TOWARD DAYBREAK. WAVES
1 TO 3 FEET.
MONDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
RISING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING. WAVES
1 TO 3 FEET.
MONDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY.
WAVES 1 TO 2 FEET.
TUESDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ143-041000-
SILVER BAY HARBOR TO TWO HARBORS MN-
648 PM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH MONDAY EVENING...
REST OF TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS TOWARD DAYBREAK.
WAVES 1 TO 3 FEET.
MONDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
RISING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING. WAVES
1 TO 3 FEET.
MONDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE EVENING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
TUESDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ144-041000-
TWO HARBORS TO DULUTH MN-
648 PM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH MONDAY EVENING...
REST OF TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS TOWARD DAYBREAK.
WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT.
MONDAY
WEST WIND 20 TO 25 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS
IN THE MORNING. WAVES 2 TO 4 FEET.
MONDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS EASING TO 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. PARTLY
CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE
EVENING AND OVERNIGHT.
TUESDAY
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
LSZ145-041000-
DULUTH MN TO PORT WING WI-
648 PM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH MONDAY EVENING...
REST OF TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
30 KNOTS. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT.
MONDAY
WEST WIND 20 TO 25 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS
IN THE MORNING. WAVES 3 TO 5 FEET.
MONDAY NIGHT
WEST WIND 20 TO 25 KNOTS BECOMING NORTHWEST 10 TO
15 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.
TUESDAY
WEST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS IN
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
LSZ146-041000-
PORT WING TO SAND ISLAND WI-
648 PM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH MONDAY AFTERNOON...
REST OF TONIGHT
SOUTHWEST WIND 10 KNOTS RISING TO 15 TO
20 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND
OVERNIGHT. SLIGHT CHANCE OF RAIN SHOWERS TOWARD DAYBREAK. WAVES
1 TO 2 FEET BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT.
MONDAY
SOUTHWEST WIND 15 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS LATE IN THE MORNING, THEN RISING TO 15 TO 20 KNOTS IN
THE AFTERNOON. GUSTS UP TO 25 KNOTS. SLIGHT CHANCE OF RAIN
SHOWERS IN THE MORNING. WAVES 2 TO 4 FEET.
MONDAY NIGHT
WEST WIND 15 TO 20 KNOTS EASING TO 5 TO 10 KNOTS
WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING
AND OVERNIGHT.
TUESDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 TO
2 FEET.
LSZ147-041000-
SAND ISLAND TO BAYFIELD WI-
648 PM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH MONDAY AFTERNOON...
REST OF TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
30 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS TOWARD DAYBREAK. WAVES
1 TO 3 FEET BUILDING TO 2 TO 4 FEET TOWARD DAYBREAK.
MONDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
BECOMING WEST 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS LATE
IN THE AFTERNOON. CHANCE OF RAIN SHOWERS IN THE MORNING. WAVES
2 TO 4 FEET.
MONDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN
THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES 1 TO 3 FEET.
TUESDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 TO
2 FEET.
LSZ150-041000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
648 PM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH MONDAY AFTERNOON...
REST OF TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS TOWARD DAYBREAK.
WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT.
MONDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS.
CHANCE OF RAIN SHOWERS IN THE MORNING. WAVES 3 TO 5 FEET.
MONDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PARTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET AFTER MIDNIGHT.
TUESDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS EARLY
IN THE MORNING. SUNNY. WAVES 1 TO 2 FEET.
LSZ121-041000-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
648 PM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH MONDAY AFTERNOON...
REST OF TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS TOWARD DAYBREAK.
WAVES 1 TO 2 FEET.
MONDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS. CHANCE
OF RAIN SHOWERS IN THE MORNING. WAVES 1 TO 2 FEET.
MONDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
TUESDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
LSZ148-041000-
OAK POINT TO SAXON HARBOR WI-
648 PM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH MONDAY AFTERNOON...
REST OF TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS TOWARD DAYBREAK.
WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET TOWARD DAYBREAK.
MONDAY
SOUTHWEST WIND 15 TO 20 KNOTS BECOMING WEST IN THE
AFTERNOON. GUSTS UP TO 25 KNOTS. CHANCE OF RAIN SHOWERS IN THE
MORNING. CHANCE OF SPRINKLES IN THE AFTERNOON. WAVES 1 TO 3 FEET.
MONDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS UNTIL EARLY MORNING. PARTLY CLOUDY. WAVES 1 TO 3 FEET.
TUESDAY
WEST WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 1 TO
2 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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