972
FZUS53 KDLH 210907
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
407 AM CDT SAT MAR 21 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.
LSZ140-211600-
GRAND PORTAGE TO GRAND MARAIS MN-
407 AM CDT SAT MAR 21 2026
TODAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS LATE IN
THE AFTERNOON. SNOW WITH FREEZING RAIN AND LIGHT SLEET LIKELY IN
THE MORNING, THEN CHANCE OF SNOW, RAIN, LIGHT FREEZING RAIN AND
LIGHT SLEET IN THE AFTERNOON. WAVES 1 TO 3 FEET.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE EVENING AND OVERNIGHT. SLIGHT
CHANCE OF SNOW IN THE EVENING. WAVES 1 TO 3 FEET.
SUNDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING EAST 5 TO 10 KNOTS LATE IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 TO 3 FEET.
SUNDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING WEST IN THE LATE
EVENING AND OVERNIGHT. PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-211600-
GRAND MARAIS TO TACONITE HARBOR MN-
407 AM CDT SAT MAR 21 2026
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. RAIN LIKELY, CHANCE OF
SNOW, LIGHT SLEET AND FREEZING RAIN LIKELY IN THE MORNING, THEN
CHANCE OF SPRINKLES AND FLURRIES IN THE AFTERNOON. WAVES 1 TO
2 FEET.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
AFTER MIDNIGHT. SLIGHT CHANCE OF RAIN IN THE EVENING. SLIGHT
CHANCE OF SNOW THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
SUNDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHEAST 5 TO 10 KNOTS LATE IN THE AFTERNOON.
MOSTLY SUNNY. WAVES 1 TO 2 FEET.
SUNDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING WEST EARLY IN THE
MORNING. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-211600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
407 AM CDT SAT MAR 21 2026
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF SNOW
EARLY IN THE MORNING. CHANCE OF RAIN IN THE MORNING, THEN CHANCE
OF SPRINKLES AND FLURRIES EARLY IN THE AFTERNOON. PATCHY FOG
EARLY IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN IN THE
EVENING. CHANCE OF SNOW THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
SUNDAY
NORTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE IN
THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.
SUNDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING WEST AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-211600-
SILVER BAY HARBOR TO TWO HARBORS MN-
407 AM CDT SAT MAR 21 2026
TODAY
NORTHEAST WIND 5 KNOTS. PATCHY FOG UNTIL LATE AFTERNOON.
CHANCE OF RAIN AND SLIGHT CHANCE OF LIGHT FREEZING RAIN EARLY IN
THE MORNING. CHANCE OF FLURRIES AND SLIGHT CHANCE OF RAIN LATE IN
THE MORNING, THEN CHANCE OF SPRINKLES EARLY IN THE AFTERNOON.
WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN IN THE
EVENING. CHANCE OF SNOW THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
SUNDAY
NORTHEAST WIND 10 TO 15 KNOTS BECOMING EAST 5 TO
10 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 3 FEET.
SUNDAY NIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING WEST 5 KNOTS EARLY IN
THE MORNING. MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-211600-
TWO HARBORS TO DULUTH MN-
407 AM CDT SAT MAR 21 2026
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF LIGHT
FREEZING RAIN EARLY IN THE MORNING. CHANCE OF SPRINKLES AND
FLURRIES IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. RAIN LIKELY IN THE
EVENING, THEN CHANCE OF SNOW AND RAIN AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
SUNDAY
NORTHEAST WIND 10 TO 15 KNOTS. PARTLY SUNNY. WAVES 1 TO
3 FEET.
SUNDAY NIGHT
EAST WIND 5 KNOTS BECOMING WEST AFTER MIDNIGHT.
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES
1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-211600-
DULUTH MN TO PORT WING WI-
407 AM CDT SAT MAR 21 2026
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF SPRINKLES AND
FLURRIES IN THE MORNING. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. CHANCE OF RAIN THROUGH
THE NIGHT. SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
SUNDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. PARTLY SUNNY. WAVES 1 TO 3 FEET.
SUNDAY NIGHT
EAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-211600-
PORT WING TO SAND ISLAND WI-
407 AM CDT SAT MAR 21 2026
TODAY
NORTHEAST WIND 5 KNOTS BECOMING NORTH LATE IN THE
AFTERNOON. PATCHY FOG UNTIL LATE AFTERNOON. SLIGHT CHANCE OF RAIN
AND CHANCE OF LIGHT FREEZING RAIN EARLY IN THE MORNING. CHANCE OF
FLURRIES LATE IN THE MORNING. CHANCE OF SPRINKLES IN THE LATE
MORNING AND EARLY AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. CHANCE OF RAIN THROUGH THE NIGHT. CHANCE OF
SNOW AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
SUNDAY
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE MORNING. PARTLY SUNNY. WAVES 2 TO 4 FEET. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
SUNDAY NIGHT
EAST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING WEST 5 KNOTS EARLY IN
THE MORNING. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-211600-
SAND ISLAND TO BAYFIELD WI-
407 AM CDT SAT MAR 21 2026
TODAY
EAST WIND 5 KNOTS BECOMING NORTH LATE IN THE AFTERNOON.
PATCHY FOG UNTIL LATE AFTERNOON. CHANCE OF RAIN AND SLIGHT CHANCE
OF LIGHT FREEZING RAIN EARLY IN THE MORNING. SLIGHT CHANCE OF
RAIN LATE IN THE MORNING, THEN CHANCE OF SPRINKLES AND FLURRIES
EARLY IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
EARLY IN THE MORNING. CHANCE OF RAIN THROUGH THE NIGHT. CHANCE OF
SNOW AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET
EARLY IN THE MORNING.
SUNDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 TO 10 KNOTS IN THE AFTERNOON. MOSTLY CLOUDY.
WAVES 2 TO 4 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
SUNDAY NIGHT
EAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. PARTLY CLOUDY. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO
2 FEET IN THE LATE EVENING AND OVERNIGHT.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-211600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
407 AM CDT SAT MAR 21 2026
TODAY
EAST WIND 5 TO 10 KNOTS BECOMING NORTH LATE IN THE
AFTERNOON. CHANCE OF LIGHT FREEZING RAIN EARLY IN THE MORNING.
CHANCE OF RAIN IN THE MORNING, THEN CHANCE OF SPRINKLES AND
FLURRIES EARLY IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS. CHANCE OF RAIN AND LIGHT FREEZING RAIN IN THE EVENING.
CHANCE OF SNOW AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 3 TO
5 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY TO 7 FEET. A SMALL
CRAFT ADVISORY MAY BE NEEDED.
SUNDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS LATE IN THE AFTERNOON. PARTLY
SUNNY. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO 9 FEET. A SMALL
CRAFT ADVISORY MAY BE NEEDED.
SUNDAY NIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE
IN THE EVENING, THEN BECOMING SOUTHWEST AFTER MIDNIGHT. PARTLY
CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-211600-
OAK POINT TO SAXON HARBOR WI-
407 AM CDT SAT MAR 21 2026
TODAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING EAST EARLY IN THE
AFTERNOON, THEN BECOMING NORTH LATE IN THE AFTERNOON. CHANCE OF
FLURRIES EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN IN THE
MORNING, THEN CHANCE OF SPRINKLES EARLY IN THE AFTERNOON. WAVES
1 TO 3 FEET.
TONIGHT
NORTH WIND 15 TO 20 KNOTS. CHANCE OF RAIN AND LIGHT
FREEZING RAIN THROUGH THE NIGHT. CHANCE OF SNOW AFTER MIDNIGHT.
WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
SUNDAY
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 5 TO 10 KNOTS LATE IN THE AFTERNOON. MOSTLY
CLOUDY. WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO 9 FEET. A SMALL
CRAFT ADVISORY MAY BE NEEDED.
SUNDAY NIGHT
EAST WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
EVENING, THEN BECOMING SOUTHWEST AFTER MIDNIGHT. PARTLY CLOUDY.
WAVES 4 TO 6 FEET SUBSIDING TO 1 TO 3 FEET. WAVES OCCASIONALLY TO
7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
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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