725
FZUS53 KDLH 191014
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
514 AM CDT SUN APR 19 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.
LSZ140-191600-
GRAND PORTAGE TO GRAND MARAIS MN-
514 AM CDT SUN APR 19 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING
TODAY
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
MOSTLY SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
MONDAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTH 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS IN THE AFTERNOON. MOSTLY SUNNY IN THE MORNING THEN
BECOMING MOSTLY CLOUDY. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET
IN THE AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.
MONDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS BECOMING WEST WITH GUSTS TO AROUND 25 KNOTS AFTER
MIDNIGHT. MOSTLY CLOUDY IN THE EVENING THEN CLEARING. WAVES 3 TO
5 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-191600-
GRAND MARAIS TO TACONITE HARBOR MN-
514 AM CDT SUN APR 19 2026
TODAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 10 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY.
WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
MONDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS IN THE LATE MORNING AND AFTERNOON.
MOSTLY SUNNY IN THE MORNING THEN BECOMING MOSTLY CLOUDY. WAVES
1 TO 2 FEET.
MONDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST 5 TO 10 KNOTS AFTER MIDNIGHT.
MOSTLY CLEAR. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-191600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
514 AM CDT SUN APR 19 2026
TODAY
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE MORNING. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
MONDAY
SOUTH WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE IN
THE AFTERNOON. MOSTLY SUNNY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST EARLY IN THE MORNING. MOSTLY CLEAR. WAVES
1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-191600-
SILVER BAY HARBOR TO TWO HARBORS MN-
514 AM CDT SUN APR 19 2026
TODAY
NORTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
MONDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PARTLY SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST 5 TO 10 KNOTS EARLY IN THE MORNING.
MOSTLY CLEAR. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-191600-
TWO HARBORS TO DULUTH MN-
514 AM CDT SUN APR 19 2026
TODAY
NORTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING EAST EARLY IN THE
MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. PARTLY SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST 5 TO 10 KNOTS EARLY IN THE MORNING.
MOSTLY CLEAR. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-191600-
DULUTH MN TO PORT WING WI-
514 AM CDT SUN APR 19 2026
TODAY
NORTHWEST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS IN
THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING SOUTH EARLY IN THE
MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS. PARTLY SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST 5 TO 10 KNOTS EARLY IN THE MORNING.
MOSTLY CLEAR. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-191600-
PORT WING TO SAND ISLAND WI-
514 AM CDT SUN APR 19 2026
TODAY
NORTHWEST WIND 10 TO 15 KNOTS. SUNNY. WAVES 1 TO 2 FEET.
TONIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING SOUTHEAST EARLY IN
THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PARTLY SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST 5 TO 10 KNOTS EARLY IN THE MORNING.
MOSTLY CLEAR. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-191600-
SAND ISLAND TO BAYFIELD WI-
514 AM CDT SUN APR 19 2026
TODAY
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. SUNNY. WAVES 1 TO 3 FEET.
TONIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST EARLY IN
THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY SUNNY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS EASING TO 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-191600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
514 AM CDT SUN APR 19 2026
TODAY
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE MORNING. MOSTLY SUNNY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
2 FEET LATE IN THE AFTERNOON.
TONIGHT
NORTH WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
MONDAY
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS LATE IN
THE AFTERNOON. MOSTLY SUNNY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING WEST EARLY
IN THE MORNING. GUSTS UP TO 20 KNOTS. MOSTLY CLEAR. WAVES 1 TO
3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ121-191600-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
514 AM CDT SUN APR 19 2026
TODAY
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT
OR LESS.
TONIGHT
NORTH WIND 5 KNOTS BECOMING SOUTHWEST EARLY IN THE
MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS UNTIL EARLY MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-191600-
OAK POINT TO SAXON HARBOR WI-
514 AM CDT SUN APR 19 2026
TODAY
NORTHWEST WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 1 TO
3 FEET.
TONIGHT
NORTH WIND 5 KNOTS BECOMING WEST EARLY IN THE MORNING.
MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY SUNNY IN THE MORNING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS EARLY IN THE MORNING. MOSTLY
CLEAR. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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