281
FZUS53 KDLH 040643
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
143 AM CDT SAT APR 4 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.
LSZ140-041600-
GRAND PORTAGE TO GRAND MARAIS MN-
143 AM CDT SAT APR 4 2026
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
TODAY
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.
TONIGHT
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.
SUNDAY NIGHT
NORTHWEST WIND 5 TO 10 KNOTS RISING TO 15 TO
20 KNOTS WITH GUSTS TO AROUND 25 KNOTS. CHANCE OF SNOW AND RAIN
AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-041600-
GRAND MARAIS TO TACONITE HARBOR MN-
143 AM CDT SAT APR 4 2026
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
TODAY
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.
TONIGHT
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. SLIGHT
CHANCE OF RAIN AND SNOW IN THE AFTERNOON. WAVES 1 TO 3 FEET.
SUNDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. SLIGHT CHANCE OF SNOW IN THE EVENING. SLIGHT CHANCE OF
RAIN THROUGH THE NIGHT. CHANCE OF SNOW AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-041600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
143 AM CDT SAT APR 4 2026
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
TODAY
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.
TONIGHT
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.
SUNDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. SLIGHT CHANCE OF RAIN AND SNOW IN THE EVENING,
THEN CHANCE OF SNOW AND RAIN AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-041600-
SILVER BAY HARBOR TO TWO HARBORS MN-
143 AM CDT SAT APR 4 2026
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
TODAY
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 EARLY 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.
TONIGHT
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. CHANCE OF RAIN AND
SNOW IN THE AFTERNOON. WAVES 1 TO 3 FEET.
SUNDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. CHANCE OF RAIN THROUGH THE NIGHT. CHANCE OF SNOW
AFTER MIDNIGHT. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-041600-
TWO HARBORS TO DULUTH MN-
143 AM CDT SAT APR 4 2026
..GALE WARNING IN EFFECT THROUGH THIS AFTERNOON
TODAY
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 UNTIL LATE
AFTERNOON. SNOW THROUGH THE DAY. SLIGHT CHANCE OF RAIN LATE IN
THE MORNING. WAVES 8 TO 11 FEET SUBSIDING TO 5 TO 8 FEET LATE IN
THE AFTERNOON. WAVES OCCASIONALLY TO 15 FEET.
TONIGHT
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. CHANCE OF RAIN IN THE AFTERNOON. WAVES 1 TO 3 FEET.
SUNDAY NIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF RAIN IN THE EVENING. SLIGHT CHANCE OF SNOW
THROUGH THE NIGHT. SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. WAVES
1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-041600-
DULUTH MN TO PORT WING WI-
143 AM CDT SAT APR 4 2026
..GALE WARNING IN EFFECT UNTIL 10 AM CDT THIS MORNING
TODAY
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, LIGHT SLEET AND FREEZING
RAIN 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.
TONIGHT
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. 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.
SUNDAY NIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF RAIN IN THE EVENING, THEN SLIGHT CHANCE OF
RAIN AND SNOW AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 1 TO
3 FEET EARLY IN THE MORNING.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-041600-
PORT WING TO SAND ISLAND WI-
143 AM CDT SAT APR 4 2026
..GALE WARNING IN EFFECT UNTIL 10 AM CDT THIS MORNING
TODAY
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.
TONIGHT
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.
SUNDAY NIGHT
WEST WIND 15 TO 20 KNOTS. CHANCE OF RAIN THROUGH
THE NIGHT. SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES 1 TO
2 FEET BUILDING TO 1 TO 3 FEET EARLY IN THE MORNING.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-041600-
SAND ISLAND TO BAYFIELD WI-
143 AM CDT SAT APR 4 2026
..GALE WARNING IN EFFECT UNTIL 10 AM CDT THIS MORNING
TODAY
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 AND SLIGHT CHANCE OF RAIN THROUGH THE DAY.
WAVES 7 TO 10 FEET. WAVES OCCASIONALLY TO 13 FEET.
TONIGHT
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. 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.
SUNDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. CHANCE OF RAIN AND SNOW. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-041600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
143 AM CDT SAT APR 4 2026
..GALE WARNING IN EFFECT UNTIL 10 AM CDT THIS MORNING
TODAY
NORTHEAST WIND UP TO 30 KNOTS. GUSTS UP TO 35 KNOTS.
RAIN, FREEZING RAIN AND SLIGHT CHANCE OF LIGHT SLEET IN THE
MORNING. SNOW THROUGH THE DAY. SLIGHT CHANCE OF RAIN IN THE
AFTERNOON. WAVES 8 TO 13 FEET SUBSIDING TO 7 TO 10 FEET LATE IN
THE AFTERNOON. WAVES OCCASIONALLY TO 17 FEET.
TONIGHT
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. SLIGHT CHANCE OF
RAIN AND SNOW IN THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO
1 TO 2 FEET IN THE AFTERNOON. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
SUNDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING.
CHANCE OF RAIN THROUGH THE NIGHT. CHANCE OF SNOW AFTER MIDNIGHT.
WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-041600-
OAK POINT TO SAXON HARBOR WI-
143 AM CDT SAT APR 4 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING
TODAY
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, LIGHT SLEET, RAIN AND FREEZING RAIN IN
THE MORNING, THEN RAIN AND SNOW LIKELY IN THE AFTERNOON. WAVES
6 TO 9 FEET SUBSIDING TO 3 TO 5 FEET. WAVES OCCASIONALLY TO
12 FEET.
TONIGHT
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. SLIGHT CHANCE OF RAIN AND SNOW IN THE AFTERNOON.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE MORNING
AND AFTERNOON.
SUNDAY NIGHT
WEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF RAIN AND SNOW. 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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