665
FZUS53 KDLH 311822
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
122 PM CDT SUN MAY 31 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.
LSZ140-312200-
GRAND PORTAGE TO GRAND MARAIS MN-
122 PM CDT SUN MAY 31 2026
REST OF TODAY
SOUTHEAST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING NORTH AFTER MIDNIGHT.
MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE LATE MORNING AND AFTERNOON. SUNNY. WAVES 1 TO 2 FEET BUILDING
TO 2 TO 4 FEET IN THE AFTERNOON.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 3 FEET
SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING AND OVERNIGHT.
LSZ141-312200-
GRAND MARAIS TO TACONITE HARBOR MN-
122 PM CDT SUN MAY 31 2026
REST OF TODAY
EAST WIND 5 KNOTS EARLY IN THE AFTERNOON
BECOMING VARIABLE 10 KNOTS OR LESS. SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTH 5 KNOTS
EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS. SUNNY.
WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET IN THE AFTERNOON.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
LSZ142-312200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
122 PM CDT SUN MAY 31 2026
REST OF TODAY
EAST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS LATE IN THE EVENING, THEN BECOMING VARIABLE 10 KNOTS OR
LESS AFTER MIDNIGHT BECOMING NORTH 5 KNOTS EARLY IN THE MORNING.
PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET BUILDING TO 1 TO
3 FEET LATE IN THE AFTERNOON.
MONDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
LSZ143-312200-
SILVER BAY HARBOR TO TWO HARBORS MN-
122 PM CDT SUN MAY 31 2026
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS UNTIL EARLY MORNING. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
LSZ144-312200-
TWO HARBORS TO DULUTH MN-
122 PM CDT SUN MAY 31 2026
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. MOSTLY SUNNY. WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET
LATE IN THE AFTERNOON.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
LSZ145-312200-
DULUTH MN TO PORT WING WI-
122 PM CDT SUN MAY 31 2026
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY SUNNY. WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET
LATE IN THE AFTERNOON.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. PARTLY CLOUDY. WAVES 1 TO 3 FEET.
LSZ146-312200-
PORT WING TO SAND ISLAND WI-
122 PM CDT SUN MAY 31 2026
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. MOSTLY
CLEAR. WAVES 1 TO 3 FEET.
LSZ147-312200-
SAND ISLAND TO BAYFIELD WI-
122 PM CDT SUN MAY 31 2026
REST OF TODAY
NORTHEAST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
EAST WIND 5 KNOTS BECOMING NORTH AFTER MIDNIGHT.
PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 TO 3 FEET.
MONDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 TO 3 FEET.
LSZ150-312200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
122 PM CDT SUN MAY 31 2026
REST OF TODAY
NORTHEAST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS. PARTLY CLOUDY. WAVES 1 FOOT OR
LESS.
MONDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE AFTERNOON. SUNNY. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET
LATE IN THE AFTERNOON.
MONDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS IN THE EVENING. MOSTLY CLEAR. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 2 FEET EARLY IN THE MORNING. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
LSZ121-312200-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
122 PM CDT SUN MAY 31 2026
REST OF TODAY
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTH 5 KNOTS EARLY IN
THE MORNING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET BUILDING TO 1 TO
3 FEET LATE IN THE AFTERNOON.
MONDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 2 FEET EARLY IN THE MORNING.
LSZ148-312200-
OAK POINT TO SAXON HARBOR WI-
122 PM CDT SUN MAY 31 2026
REST OF TODAY
NORTHEAST WIND 5 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING NORTH AFTER MIDNIGHT.
PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET BUILDING TO 1 TO
3 FEET LATE IN THE AFTERNOON.
MONDAY NIGHT
NORTHEAST WIND 5 TO 10 KNOTS. GUSTS UP TO
20 KNOTS EARLY IN THE EVENING. MOSTLY CLEAR. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 2 FEET EARLY IN THE MORNING.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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