970
FZUS53 KDLH 201627
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1127 AM CDT FRI MAR 20 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.
LSZ140-202200-
GRAND PORTAGE TO GRAND MARAIS MN-
1127 AM CDT FRI MAR 20 2026
REST OF TODAY
WEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
WEST WIND 5 KNOTS BECOMING EAST AFTER MIDNIGHT. CHANCE
OF SNOW AND SLIGHT CHANCE OF LIGHT FREEZING RAIN AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
SATURDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. PATCHY FOG THROUGH THE DAY. SLIGHT CHANCE OF
RAIN IN THE MORNING. CHANCE OF SNOW THROUGH THE DAY. CHANCE OF
RAIN IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS INCREASING TO 30 KNOTS EARLY IN THE MORNING. CHANCE OF
RAIN AND LIGHT SLEET IN THE EVENING. SLIGHT CHANCE OF SNOW AND
LIGHT FREEZING RAIN THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-202200-
GRAND MARAIS TO TACONITE HARBOR MN-
1127 AM CDT FRI MAR 20 2026
REST OF TODAY
WEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING EAST EARLY IN THE
MORNING. SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
SATURDAY
EAST WIND 5 TO 10 KNOTS. PATCHY FOG THROUGH THE DAY.
CHANCE OF SNOW IN THE MORNING. CHANCE OF RAIN THROUGH THE DAY.
SLIGHT CHANCE OF SNOW IN THE AFTERNOON. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
25 KNOTS. CHANCE OF RAIN AND SLIGHT CHANCE OF SNOW. WAVES 1 TO
2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-202200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1127 AM CDT FRI MAR 20 2026
REST OF TODAY
WEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG THROUGH THE
DAY. CHANCE OF SNOW AND LIGHT FREEZING RAIN IN THE MORNING.
CHANCE OF RAIN THROUGH THE DAY. SLIGHT CHANCE OF SNOW IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS AFTER MIDNIGHT. CHANCE OF RAIN AND SLIGHT CHANCE OF SNOW
THROUGH THE NIGHT. SLIGHT CHANCE OF LIGHT FREEZING RAIN AFTER
MIDNIGHT. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-202200-
SILVER BAY HARBOR TO TWO HARBORS MN-
1127 AM CDT FRI MAR 20 2026
REST OF TODAY
WEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
VARIABLE WINDS 10 KNOTS OR LESS BECOMING NORTHEAST
5 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN, LIGHT
FREEZING RAIN AND SLIGHT CHANCE OF SNOW IN THE MORNING, THEN
SLIGHT CHANCE OF RAIN IN THE AFTERNOON. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. SLIGHT CHANCE OF SNOW IN THE EVENING. CHANCE OF
RAIN THROUGH THE NIGHT. CHANCE OF SNOW AND LIGHT FREEZING RAIN
AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET AFTER
MIDNIGHT.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-202200-
TWO HARBORS TO DULUTH MN-
1127 AM CDT FRI MAR 20 2026
REST OF TODAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST LATE.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 5 KNOTS BECOMING NORTH LATE IN THE EVENING,
THEN BECOMING NORTHEAST AFTER MIDNIGHT. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
IN THE MORNING. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. CHANCE OF RAIN THROUGH THE NIGHT. CHANCE OF SNOW
AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET AFTER
MIDNIGHT.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-202200-
DULUTH MN TO PORT WING WI-
1127 AM CDT FRI MAR 20 2026
REST OF TODAY
WEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING EAST IN THE LATE
EVENING AND OVERNIGHT. PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF RAIN
IN THE MORNING. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHEAST 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS AFTER MIDNIGHT. CHANCE OF RAIN THROUGH THE NIGHT. CHANCE
OF SNOW AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET
AFTER MIDNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-202200-
PORT WING TO SAND ISLAND WI-
1127 AM CDT FRI MAR 20 2026
REST OF TODAY
WEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTHEAST IN THE LATE
EVENING AND EARLY MORNING, THEN BECOMING EAST EARLY IN THE
MORNING. SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
SATURDAY
EAST WIND 5 KNOTS BECOMING NORTHEAST LATE IN THE
AFTERNOON. CHANCE OF RAIN IN THE MORNING, THEN SLIGHT CHANCE OF
RAIN IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS. SLIGHT CHANCE OF SNOW IN THE EVENING. CHANCE OF
RAIN THROUGH THE NIGHT. CHANCE OF SNOW AND LIGHT FREEZING RAIN
AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET AFTER
MIDNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-202200-
SAND ISLAND TO BAYFIELD WI-
1127 AM CDT FRI MAR 20 2026
REST OF TODAY
NORTHWEST WIND 5 KNOTS BECOMING WEST LATE.
MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 KNOTS BECOMING EAST IN THE LATE
EVENING AND OVERNIGHT. SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
SATURDAY
EAST WIND 5 KNOTS BECOMING NORTHEAST LATE IN THE
AFTERNOON. CHANCE OF RAIN IN THE MORNING, THEN SLIGHT CHANCE OF
RAIN IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
SATURDAY NIGHT
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHEAST WITH GUSTS TO AROUND 25 KNOTS EARLY
IN THE MORNING. CHANCE OF RAIN THROUGH THE NIGHT. CHANCE OF LIGHT
FREEZING RAIN AND SNOW AFTER MIDNIGHT. WAVES 1 TO 2 FEET BUILDING
TO 2 TO 4 FEET IN THE LATE EVENING AND OVERNIGHT. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-202200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1127 AM CDT FRI MAR 20 2026
REST OF TODAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST LATE.
SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 KNOTS BECOMING EAST IN THE LATE
EVENING AND OVERNIGHT. SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
SATURDAY
EAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE IN
THE AFTERNOON. CHANCE OF RAIN IN THE MORNING, THEN SLIGHT CHANCE
OF RAIN IN THE AFTERNOON. WAVES 1 TO 2 FEET.
SATURDAY NIGHT
NORTHEAST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS. SLIGHT CHANCE OF SNOW IN THE EVENING. CHANCE OF RAIN
THROUGH THE NIGHT. CHANCE OF SNOW AND LIGHT FREEZING RAIN AFTER
MIDNIGHT. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET. A
SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-202200-
OAK POINT TO SAXON HARBOR WI-
1127 AM CDT FRI MAR 20 2026
REST OF TODAY
NORTHWEST WIND 5 KNOTS BECOMING NORTH EARLY IN
THE AFTERNOON, THEN BECOMING EAST LATE. MOSTLY SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS. SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH EARLY IN THE
AFTERNOON, THEN BECOMING WEST LATE IN THE AFTERNOON. CHANCE OF
RAIN IN THE MORNING, THEN SLIGHT CHANCE OF RAIN IN THE AFTERNOON.
WAVES 1 TO 3 FEET.
SATURDAY NIGHT
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHEAST 15 TO 20 KNOTS EARLY IN THE MORNING.
CHANCE OF RAIN THROUGH THE NIGHT. CHANCE OF SNOW AND LIGHT
FREEZING RAIN AFTER MIDNIGHT. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY TO 8 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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