846
FZUS53 KDLH 192228
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
528 PM 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.
LSZ140-200400-
GRAND PORTAGE TO GRAND MARAIS MN-
528 PM CDT SUN APR 19 2026
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS EASING TO 5 KNOTS LATE
IN THE NIGHT. 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. SLIGHT CHANCE OF SNOW IN THE
AFTERNOON. WAVES 1 TO 2 FEET BUILDING TO 3 TO 5 FEET IN THE
AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.
MONDAY NIGHT
SOUTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS BECOMING WEST 10 TO 15 KNOTS 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.
TUESDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-200400-
GRAND MARAIS TO TACONITE HARBOR MN-
528 PM CDT SUN APR 19 2026
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS UNTIL EARLY MORNING
BECOMING VARIABLE 10 KNOTS OR LESS. 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, THEN
BECOMING NORTHWEST EARLY IN THE MORNING. PARTLY CLOUDY. WAVES
1 TO 2 FEET.
TUESDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-200400-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
528 PM CDT SUN APR 19 2026
TONIGHT
NORTH WIND 5 KNOTS. MOSTLY CLEAR. WAVES 1 FOOT OR
LESS.
MONDAY
SOUTH WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS 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 NORTHWEST EARLY IN THE MORNING. PARTLY CLOUDY
IN THE EVENING THEN CLEARING. WAVES 1 TO 2 FEET.
TUESDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-200400-
SILVER BAY HARBOR TO TWO HARBORS MN-
528 PM CDT SUN APR 19 2026
TONIGHT
NORTH WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
NIGHT. 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 3 FEET.
MONDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST 5 KNOTS EARLY IN THE MORNING.
PARTLY CLOUDY IN THE EVENING THEN BECOMING CLEAR. WAVES 1 TO
3 FEET.
TUESDAY
NORTHWEST WIND 5 KNOTS EARLY IN THE MORNING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHWEST 5 KNOTS IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-200400-
TWO HARBORS TO DULUTH MN-
528 PM CDT SUN APR 19 2026
TONIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN THE
NIGHT. 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 3 FEET.
MONDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS BECOMING WEST 5 TO 10 KNOTS EARLY IN THE MORNING.
MOSTLY CLEAR. WAVES 1 TO 3 FEET.
TUESDAY
NORTHWEST WIND 5 KNOTS. SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-200400-
DULUTH MN TO PORT WING WI-
528 PM CDT SUN APR 19 2026
TONIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE IN
THE NIGHT. 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 3 FEET.
MONDAY NIGHT
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS BECOMING WEST 5 TO 10 KNOTS EARLY IN THE MORNING.
MOSTLY CLEAR. WAVES 1 TO 3 FEET.
TUESDAY
NORTHWEST WIND 5 KNOTS BECOMING NORTH IN THE LATE
MORNING AND AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-200400-
PORT WING TO SAND ISLAND WI-
528 PM CDT SUN APR 19 2026
TONIGHT
NORTH WIND 5 TO 10 KNOTS EASING TO 5 KNOTS AFTER
MIDNIGHT, THEN BECOMING SOUTHEAST LATE IN THE NIGHT. 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 WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST 5 KNOTS EARLY IN THE MORNING.
MOSTLY CLEAR. WAVES 1 TO 2 FEET.
TUESDAY
WEST WIND 5 KNOTS BECOMING NORTHWEST LATE IN THE
MORNING, THEN BECOMING WEST EARLY IN THE AFTERNOON BECOMING
SOUTHWEST LATE IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-200400-
SAND ISLAND TO BAYFIELD WI-
528 PM CDT SUN APR 19 2026
TONIGHT
NORTH WIND 5 KNOTS BECOMING EAST LATE IN THE NIGHT.
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 BECOMING WEST 5 KNOTS EARLY IN THE MORNING.
PARTLY CLOUDY IN THE EVENING THEN CLEARING. WAVES 1 TO 2 FEET.
TUESDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-200400-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
528 PM CDT SUN APR 19 2026
TONIGHT
NORTH WIND 5 KNOTS BECOMING NORTHEAST LATE IN THE
NIGHT. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
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 WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST 5 TO 10 KNOTS EARLY IN THE MORNING.
MOSTLY CLEAR. WAVES 1 TO 3 FEET.
TUESDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ121-200400-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
528 PM CDT SUN APR 19 2026
TONIGHT
NORTH WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
NIGHT. 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. GUSTS UP TO
20 KNOTS UNTIL EARLY MORNING. PARTLY CLOUDY IN THE EVENING THEN
BECOMING CLEAR. WAVES 1 FOOT OR LESS.
TUESDAY
WEST WIND 5 KNOTS BECOMING NORTHEAST LATE IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-200400-
OAK POINT TO SAXON HARBOR WI-
528 PM CDT SUN APR 19 2026
TONIGHT
NORTH WIND 5 KNOTS BECOMING EAST LATE IN THE NIGHT.
MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
MONDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 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. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
TUESDAY
WEST WIND 5 KNOTS BECOMING EAST LATE IN THE AFTERNOON.
SUNNY. WAVES 1 FOOT OR LESS.
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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