944
FZUS53 KDLH 031118
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
617 AM 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.
LSZ140-031600-
GRAND PORTAGE TO GRAND MARAIS MN-
617 AM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY EVENING...
TODAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS.
SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 3 TO 5 FEET
AFTER MIDNIGHT.
MONDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS.
CHANCE OF RAIN SHOWERS. WAVES 3 TO 5 FEET.
MONDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
30 KNOTS DECREASING TO 20 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF
RAIN SHOWERS IN THE EVENING. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET IN THE LATE EVENING AND OVERNIGHT.
LSZ141-031600-
GRAND MARAIS TO TACONITE HARBOR MN-
617 AM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY EVENING...
TODAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
MONDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS. CHANCE
OF RAIN SHOWERS. WAVES 2 TO 4 FEET.
MONDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF RAIN SHOWERS IN THE
EVENING. WAVES 1 TO 3 FEET.
LSZ142-031600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
617 AM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY EVENING...
TODAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING, THEN
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING
TO 1 TO 3 FEET EARLY IN THE MORNING.
MONDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS.
CHANCE OF RAIN SHOWERS. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO
2 FEET IN THE LATE MORNING AND AFTERNOON.
MONDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS UNTIL EARLY MORNING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ143-031600-
SILVER BAY HARBOR TO TWO HARBORS MN-
617 AM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY EVENING...
TODAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING
TO 2 TO 4 FEET AFTER MIDNIGHT.
MONDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS. CHANCE
OF RAIN SHOWERS. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN
THE LATE MORNING AND AFTERNOON.
MONDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
LSZ144-031600-
TWO HARBORS TO DULUTH MN-
617 AM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY EVENING...
TODAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
LATE MORNING AND EARLY AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST 15 TO
20 KNOTS WITH GUSTS TO AROUND 30 KNOTS IN THE LATE EVENING AND
OVERNIGHT. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO
2 FEET BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT.
MONDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS. CHANCE
OF RAIN SHOWERS IN THE MORNING, THEN SLIGHT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET IN THE LATE MORNING AND AFTERNOON.
MONDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS EASING TO 5 TO 10 KNOTS AFTER MIDNIGHT. MOSTLY
CLEAR. WAVES 1 TO 3 FEET.
LSZ145-031600-
DULUTH MN TO PORT WING WI-
617 AM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY EVENING...
TODAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN THE
LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS RISING TO 15 TO 20 KNOTS
WITH GUSTS TO AROUND 30 KNOTS IN THE LATE EVENING AND OVERNIGHT.
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING
TO 2 TO 4 FEET AFTER MIDNIGHT.
MONDAY
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS.
CHANCE OF RAIN SHOWERS IN THE MORNING, THEN SLIGHT CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FEET.
MONDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS EASING TO 5 TO 10 KNOTS AFTER MIDNIGHT. PARTLY
CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE
EVENING AND OVERNIGHT.
LSZ146-031600-
PORT WING TO SAND ISLAND WI-
617 AM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY AFTERNOON...
TODAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO
2 FEET BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT.
MONDAY
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS IN THE LATE MORNING AND AFTERNOON. CHANCE OF RAIN
SHOWERS. WAVES 2 TO 4 FEET.
MONDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST 5 TO 10 KNOTS AFTER MIDNIGHT.
PARTLY CLOUDY. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE
LATE EVENING AND OVERNIGHT.
LSZ147-031600-
SAND ISLAND TO BAYFIELD WI-
617 AM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY AFTERNOON...
TODAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO
2 FEET BUILDING TO 1 TO 3 FEET EARLY IN THE MORNING.
MONDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS IN THE LATE MORNING AND AFTERNOON. CHANCE
OF RAIN SHOWERS. WAVES 1 TO 3 FEET.
MONDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
LSZ150-031600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
617 AM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY AFTERNOON...
TODAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 TO
2 FEET.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO
2 FEET BUILDING TO 2 TO 4 FEET AFTER MIDNIGHT.
MONDAY
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS IN THE AFTERNOON. CHANCE OF RAIN SHOWERS.
WAVES 2 TO 4 FEET.
MONDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS UNTIL EARLY MORNING. PARTLY CLOUDY. WAVES 1 TO 3 FEET.
LSZ121-031600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
617 AM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY AFTERNOON...
TODAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
WEST WIND 5 KNOTS BECOMING SOUTHWEST 15 TO 20 KNOTS
WITH GUSTS TO AROUND 25 KNOTS IN THE LATE EVENING AND OVERNIGHT.
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
MONDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS. CHANCE
OF RAIN SHOWERS. WAVES 1 TO 2 FEET.
MONDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. PARTLY CLOUDY. WAVES 1 FOOT OR
LESS.
LSZ148-031600-
OAK POINT TO SAXON HARBOR WI-
617 AM CDT SUN MAY 3 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY AFTERNOON...
TODAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES
1 TO 3 FEET.
MONDAY
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS IN THE AFTERNOON. CHANCE OF RAIN SHOWERS. WAVES 1 TO
3 FEET.
MONDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page