821
FZUS53 KDLH 040458
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1158 PM CDT FRI APR 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-
1158 PM CDT FRI APR 3 2026
..GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON
REST OF TONIGHT
NORTHEAST WIND UP TO 30 KNOTS. GUSTS UP TO
30 KNOTS INCREASING TO 35 KNOTS AFTER MIDNIGHT. CHANCE OF SNOW
TOWARD DAYBREAK. WAVES 4 TO 7 FEET BUILDING TO 6 TO 9 FEET TOWARD
DAYBREAK. WAVES OCCASIONALLY TO 12 FEET.
SATURDAY
NORTHEAST WIND UP TO 30 KNOTS. GUSTS UP TO 35 KNOTS
INCREASING TO 40 KNOTS LATE IN THE MORNING, THEN DECREASING TO
35 KNOTS EARLY IN THE AFTERNOON DECREASING TO 30 KNOTS LATE IN
THE AFTERNOON. SNOW. WAVES 8 TO 11 FEET. WAVES OCCASIONALLY TO
14 FEET.
SATURDAY NIGHT
NORTH WIND 15 TO 20 KNOTS BECOMING NORTHWEST
EARLY IN THE MORNING. GUSTS UP TO 30 KNOTS. SNOW LIKELY IN THE
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. WAVES 4 TO 7 FEET
SUBSIDING TO 2 TO 4 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY TO
9 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SUNDAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING WEST 5 TO 10 KNOTS IN THE AFTERNOON. MOSTLY
SUNNY. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE
MORNING AND AFTERNOON.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-041000-
GRAND MARAIS TO TACONITE HARBOR MN-
1158 PM CDT FRI APR 3 2026
..GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON
REST OF TONIGHT
EAST WIND UP TO 30 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 40 KNOTS. CHANCE OF SNOW AFTER MIDNIGHT. SNOW
LIKELY TOWARD DAYBREAK. WAVES 4 TO 6 FEET BUILDING TO 8 TO
11 FEET. WAVES OCCASIONALLY TO 14 FEET.
SATURDAY
NORTHEAST WIND UP TO 30 KNOTS. GALES UP TO 40 KNOTS
DECREASING TO 30 KNOTS. SNOW. WAVES 7 TO 12 FEET SUBSIDING TO
6 TO 9 FEET LATE IN THE AFTERNOON. WAVES OCCASIONALLY TO 16 FEET.
SATURDAY NIGHT
NORTH WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 30 KNOTS. SNOW LIKELY IN THE EVENING, THEN CHANCE
OF SNOW AFTER MIDNIGHT. WAVES 4 TO 7 FEET SUBSIDING TO 2 TO
4 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY TO 9 FEET. A SMALL
CRAFT ADVISORY MAY BE NEEDED.
SUNDAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST 5 TO 10 KNOTS IN THE AFTERNOON. MOSTLY
SUNNY. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-041000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1158 PM CDT FRI APR 3 2026
..GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON
REST OF TONIGHT
EAST WIND UP TO 30 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS AFTER MIDNIGHT. CHANCE OF SNOW AFTER
MIDNIGHT. SNOW TOWARD DAYBREAK. WAVES 4 TO 6 FEET BUILDING TO
8 TO 11 FEET. WAVES OCCASIONALLY TO 15 FEET.
SATURDAY
EAST WIND UP TO 30 KNOTS WITH GALES TO AROUND
35 KNOTS BECOMING NORTHEAST 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS LATE IN THE AFTERNOON. SNOW. WAVES 8 TO 13 FEET
SUBSIDING TO 7 TO 10 FEET LATE IN THE AFTERNOON. WAVES
OCCASIONALLY TO 17 FEET.
SATURDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 30 KNOTS. SNOW LIKELY IN THE EVENING, THEN
SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES 5 TO 8 FEET SUBSIDING
TO 3 TO 5 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY TO 10 FEET. A
SMALL CRAFT ADVISORY MAY BE NEEDED.
SUNDAY
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST 5 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF
RAIN AND SNOW IN THE AFTERNOON. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-041000-
SILVER BAY HARBOR TO TWO HARBORS MN-
1158 PM CDT FRI APR 3 2026
..GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON
REST OF TONIGHT
EAST WIND UP TO 30 KNOTS WITH GALES TO AROUND
35 KNOTS. SLIGHT CHANCE OF SNOW LATE IN THE EVENING, THEN CHANCE
OF SNOW AFTER MIDNIGHT. SNOW TOWARD DAYBREAK. WAVES 4 TO 7 FEET
BUILDING TO 7 TO 12 FEET. WAVES OCCASIONALLY TO 15 FEET.
SATURDAY
EAST WIND UP TO 30 KNOTS WITH GALES TO AROUND
35 KNOTS BECOMING NORTHEAST 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS LATE IN THE AFTERNOON. SLIGHT CHANCE OF LIGHT SLEET IN
THE MORNING. SNOW THROUGH THE DAY. WAVES 8 TO 13 FEET SUBSIDING
TO 7 TO 10 FEET LATE IN THE AFTERNOON. WAVES OCCASIONALLY TO
17 FEET.
SATURDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS BECOMING NORTHWEST 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS EARLY IN THE MORNING. CHANCE OF SNOW IN THE
EVENING. WAVES 5 TO 8 FEET SUBSIDING TO 3 TO 5 FEET AFTER
MIDNIGHT. WAVES OCCASIONALLY TO 10 FEET. A SMALL CRAFT ADVISORY
MAY BE NEEDED.
SUNDAY
WEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING WEST 5 TO 10 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF
RAIN AND SNOW IN THE AFTERNOON. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-041000-
TWO HARBORS TO DULUTH MN-
1158 PM CDT FRI APR 3 2026
..GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON
REST OF TONIGHT
EAST WIND UP TO 30 KNOTS WITH GALES TO AROUND
35 KNOTS. CHANCE OF SNOW LATE IN THE EVENING, THEN SNOW LIKELY
AFTER MIDNIGHT. SNOW TOWARD DAYBREAK. WAVES 6 TO 9 FEET BUILDING
TO 8 TO 11 FEET TOWARD DAYBREAK. WAVES OCCASIONALLY TO 14 FEET.
SATURDAY
EAST WIND UP TO 30 KNOTS WITH GALES TO AROUND
35 KNOTS BECOMING NORTHEAST 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF LIGHT SLEET IN THE
MORNING. SNOW THROUGH THE DAY. WAVES 8 TO 11 FEET SUBSIDING TO
5 TO 8 FEET LATE IN THE AFTERNOON. WAVES OCCASIONALLY TO 15 FEET.
SATURDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS INCREASING TO 25 KNOTS IN THE LATE EVENING AND EARLY
MORNING, THEN DECREASING TO 20 KNOTS EARLY IN THE MORNING. SNOW
LIKELY IN THE EVENING. WAVES 4 TO 7 FEET SUBSIDING TO 2 TO 4 FEET
AFTER MIDNIGHT. WAVES OCCASIONALLY TO 9 FEET. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
SUNDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS EARLY IN
THE MORNING. SLIGHT CHANCE OF RAIN IN THE AFTERNOON. WAVES 1 TO
3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-041000-
DULUTH MN TO PORT WING WI-
1158 PM CDT FRI APR 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT SATURDAY
..GALE WARNING IN EFFECT UNTIL 10 AM CDT SATURDAY
REST OF TONIGHT
EAST WIND UP TO 30 KNOTS WITH GALES TO AROUND
35 KNOTS. CHANCE OF SNOW LATE IN THE EVENING, THEN SNOW, SLIGHT
CHANCE OF FREEZING RAIN AND LIGHT SLEET AFTER MIDNIGHT. WAVES
7 TO 10 FEET. WAVES OCCASIONALLY TO 13 FEET.
SATURDAY
EAST WIND UP TO 30 KNOTS WITH GALES TO AROUND
35 KNOTS BECOMING NORTHEAST 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF RAIN, FREEZING RAIN
AND LIGHT SLEET IN THE MORNING. SNOW THROUGH THE DAY. WAVES 7 TO
10 FEET SUBSIDING TO 5 TO 8 FEET LATE IN THE AFTERNOON. WAVES
OCCASIONALLY TO 13 FEET.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS EASING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EARLY IN THE MORNING. SNOW LIKELY IN THE EVENING. WAVES
4 TO 7 FEET SUBSIDING TO 2 TO 4 FEET AFTER MIDNIGHT. WAVES
OCCASIONALLY TO 9 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SUNDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS EARLY IN
THE MORNING. SLIGHT CHANCE OF RAIN AND SNOW IN THE AFTERNOON.
WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE MORNING
AND AFTERNOON.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-041000-
PORT WING TO SAND ISLAND WI-
1158 PM CDT FRI APR 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT SATURDAY
..GALE WARNING IN EFFECT UNTIL 10 AM CDT SATURDAY
REST OF TONIGHT
EAST WIND UP TO 30 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF SNOW LATE
IN THE EVENING, THEN SNOW AND LIGHT SLEET LIKELY AFTER MIDNIGHT.
SNOW, SLIGHT CHANCE OF FREEZING RAIN AND LIGHT SLEET TOWARD
DAYBREAK. WAVES 5 TO 8 FEET BUILDING TO 7 TO 10 FEET TOWARD
DAYBREAK. WAVES OCCASIONALLY TO 13 FEET.
SATURDAY
EAST WIND UP TO 30 KNOTS WITH GALES TO AROUND
35 KNOTS BECOMING NORTHEAST 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF LIGHT SLEET AND
FREEZING RAIN IN THE MORNING. SNOW AND SLIGHT CHANCE OF RAIN
THROUGH THE DAY. WAVES 7 TO 10 FEET SUBSIDING TO 5 TO 8 FEET LATE
IN THE AFTERNOON. WAVES OCCASIONALLY TO 13 FEET.
SATURDAY NIGHT
NORTH WIND 5 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN EASING TO
5 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS EARLY IN THE MORNING.
SNOW LIKELY IN THE EVENING. WAVES 5 TO 8 FEET SUBSIDING TO 2 TO
4 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY TO 10 FEET. A SMALL
CRAFT ADVISORY MAY BE NEEDED.
SUNDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
EASING TO 5 TO 10 KNOTS IN THE LATE MORNING AND AFTERNOON. SLIGHT
CHANCE OF RAIN AND SNOW IN THE AFTERNOON. WAVES 1 TO 3 FEET
SUBSIDING TO 1 TO 2 FEET IN THE LATE MORNING AND AFTERNOON.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-041000-
SAND ISLAND TO BAYFIELD WI-
1158 PM CDT FRI APR 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT SATURDAY
..GALE WARNING IN EFFECT UNTIL 10 AM CDT SATURDAY
REST OF TONIGHT
EAST WIND UP TO 30 KNOTS WITH GALES TO AROUND
35 KNOTS. SLIGHT CHANCE OF SNOW LATE IN THE EVENING, THEN SNOW
AND SLIGHT CHANCE OF LIGHT SLEET AFTER MIDNIGHT. WAVES 6 TO
9 FEET. WAVES OCCASIONALLY TO 12 FEET.
SATURDAY
EAST WIND UP TO 30 KNOTS WITH GALES TO AROUND
35 KNOTS BECOMING NORTHEAST 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF FREEZING RAIN AND
LIGHT SLEET IN THE MORNING. SNOW THROUGH THE DAY. SLIGHT CHANCE
OF RAIN IN THE AFTERNOON. WAVES 7 TO 10 FEET. WAVES OCCASIONALLY
TO 13 FEET.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS. SNOW LIKELY IN THE EVENING, THEN SLIGHT CHANCE OF SNOW
AFTER MIDNIGHT. WAVES 5 TO 8 FEET SUBSIDING TO 4 TO 6 FEET IN THE
LATE EVENING AND OVERNIGHT. WAVES OCCASIONALLY TO 10 FEET. A
SMALL CRAFT ADVISORY MAY BE NEEDED.
SUNDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
EASING TO 5 TO 10 KNOTS LATE IN THE AFTERNOON. SUNNY IN THE
MORNING THEN BECOMING PARTLY SUNNY. WAVES 1 TO 3 FEET SUBSIDING
TO 1 TO 2 FEET IN THE LATE MORNING AND AFTERNOON.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-041000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1158 PM CDT FRI APR 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT SATURDAY
..GALE WARNING IN EFFECT UNTIL 10 AM CDT SATURDAY
REST OF TONIGHT
EAST WIND UP TO 30 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF SNOW LATE
IN THE EVENING, THEN CHANCE OF SNOW WITH POSSIBLE SLEET AND RAIN
LIKELY AFTER MIDNIGHT. SNOW, SLIGHT CHANCE OF FREEZING RAIN AND
LIGHT SLEET TOWARD DAYBREAK. WAVES 4 TO 7 FEET BUILDING TO 7 TO
12 FEET. WAVES OCCASIONALLY TO 15 FEET.
SATURDAY
NORTHEAST WIND UP TO 30 KNOTS. GUSTS UP TO 35 KNOTS.
FREEZING RAIN AND SLIGHT CHANCE OF LIGHT SLEET IN THE MORNING.
SNOW AND SLIGHT CHANCE OF RAIN THROUGH THE DAY. WAVES 8 TO
13 FEET SUBSIDING TO 7 TO 10 FEET LATE IN THE AFTERNOON. WAVES
OCCASIONALLY TO 17 FEET.
SATURDAY NIGHT
NORTH WIND 15 TO 20 KNOTS BECOMING NORTHWEST
AFTER MIDNIGHT. GUSTS UP TO 25 KNOTS. SNOW LIKELY IN THE EVENING,
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES 6 TO 9 FEET
SUBSIDING TO 4 TO 6 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY TO
12 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SUNDAY
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
EASING TO 5 TO 10 KNOTS LATE IN THE AFTERNOON. SUNNY IN THE
MORNING THEN BECOMING PARTLY SUNNY. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 2 FEET IN THE AFTERNOON. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-041000-
OAK POINT TO SAXON HARBOR WI-
1158 PM CDT FRI APR 3 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT SATURDAY
REST OF TONIGHT
EAST WIND 20 TO 25 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS TOWARD DAYBREAK. CHANCE OF SNOW LATE IN
THE EVENING. SLEET AND RAIN LIKELY AFTER MIDNIGHT, THEN SNOW,
SLEET, RAIN AND FREEZING RAIN TOWARD DAYBREAK. WAVES 6 TO 9 FEET.
WAVES OCCASIONALLY TO 12 FEET.
SATURDAY
NORTHEAST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS EASING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
IN THE AFTERNOON. SNOW, RAIN, LIGHT SLEET AND FREEZING RAIN IN
THE MORNING, THEN SNOW AND RAIN LIKELY IN THE AFTERNOON. WAVES
6 TO 9 FEET SUBSIDING TO 3 TO 5 FEET. WAVES OCCASIONALLY TO
12 FEET.
SATURDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. SNOW LIKELY IN THE EVENING, THEN CHANCE OF SNOW
AFTER MIDNIGHT. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET.
A SMALL CRAFT ADVISORY MAY BE NEEDED.
SUNDAY
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS EARLY IN
THE MORNING. MOSTLY SUNNY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
2 FEET IN THE LATE MORNING AND AFTERNOON.
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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