298
FZUS53 KDLH 190937
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
437 AM CDT THU MAR 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.
LSZ140-191600-
GRAND PORTAGE TO GRAND MARAIS MN-
437 AM CDT THU MAR 19 2026
TODAY
NORTH WIND 5 TO 10 KNOTS BECOMING SOUTHEAST IN THE
AFTERNOON. SLIGHT CHANCE OF SNOW LATE IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING WEST AFTER
MIDNIGHT. PATCHY FOG IN THE EVENING. CHANCE OF SNOW, LIGHT
FREEZING RAIN AND LIGHT FREEZING DRIZZLE IN THE EVENING, THEN
SLIGHT CHANCE OF VERY LIGHT FREEZING DRIZZLE AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
FRIDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-191600-
GRAND MARAIS TO TACONITE HARBOR MN-
437 AM CDT THU MAR 19 2026
TODAY
NORTH WIND 5 KNOTS BECOMING SOUTHEAST IN THE AFTERNOON.
SLIGHT CHANCE OF LIGHT FREEZING DRIZZLE AND SNOW LATE IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE IN THE
EVENING, THEN BECOMING SOUTHWEST AFTER MIDNIGHT. PATCHY FOG IN
THE EVENING. CHANCE OF SNOW, LIGHT FREEZING RAIN AND SLIGHT
CHANCE OF LIGHT FREEZING DRIZZLE IN THE EVENING. WAVES 1 FOOT OR
LESS.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES
1 FOOT OR LESS.
FRIDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST IN THE
LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-191600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
437 AM CDT THU MAR 19 2026
TODAY
NORTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SLIGHT CHANCE OF DRIZZLE AND LIGHT FREEZING DRIZZLE LATE IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
EAST WIND 5 KNOTS BECOMING WEST LATE IN THE EVENING,
THEN BECOMING SOUTHWEST AFTER MIDNIGHT. PATCHY FOG IN THE
EVENING. SLIGHT CHANCE OF DRIZZLE, LIGHT FREEZING DRIZZLE AND
SNOW IN THE EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES
1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST
IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR
LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-191600-
SILVER BAY HARBOR TO TWO HARBORS MN-
437 AM CDT THU MAR 19 2026
TODAY
NORTHEAST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SLIGHT CHANCE OF DRIZZLE LATE IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHWEST LATE
IN THE EVENING, THEN BECOMING SOUTHWEST AFTER MIDNIGHT. PATCHY
FOG IN THE EVENING. SLIGHT CHANCE OF DRIZZLE AND VERY LIGHT
FREEZING DRIZZLE IN THE EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES
1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST
IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR
LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-191600-
TWO HARBORS TO DULUTH MN-
437 AM CDT THU MAR 19 2026
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 FOOT
OR LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST IN THE LATE
EVENING AND EARLY MORNING, THEN BECOMING SOUTHWEST 5 TO 10 KNOTS
EARLY IN THE MORNING. PATCHY FOG AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
FRIDAY
WEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
FRIDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-191600-
DULUTH MN TO PORT WING WI-
437 AM CDT THU MAR 19 2026
TODAY
NORTHEAST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 FOOT
OR LESS.
TONIGHT
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST IN THE LATE
EVENING AND OVERNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
FRIDAY
WEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
FRIDAY NIGHT
WEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-191600-
PORT WING TO SAND ISLAND WI-
437 AM CDT THU MAR 19 2026
TODAY
EAST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF
DRIZZLE IN THE EVENING. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
FRIDAY
WEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 TO
2 FEET.
FRIDAY NIGHT
WEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-191600-
SAND ISLAND TO BAYFIELD WI-
437 AM CDT THU MAR 19 2026
TODAY
NORTHEAST WIND 5 KNOTS BECOMING EAST IN THE LATE MORNING
AND AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST IN THE LATE
EVENING AND EARLY MORNING, THEN BECOMING WEST 10 TO 15 KNOTS
EARLY IN THE MORNING. SLIGHT CHANCE OF DRIZZLE IN THE EVENING.
PATCHY FOG THROUGH THE NIGHT. WAVES 1 TO 2 FEET.
FRIDAY
WEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 TO
2 FEET.
FRIDAY NIGHT
WEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-191600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
437 AM CDT THU MAR 19 2026
TODAY
EAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF DRIZZLE AND
VERY LIGHT FREEZING DRIZZLE LATE IN THE AFTERNOON. WAVES 1 FOOT
OR LESS.
TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST IN THE
LATE EVENING AND EARLY MORNING, THEN BECOMING WEST 10 TO 15 KNOTS
EARLY IN THE MORNING. PATCHY FOG IN THE EVENING. SLIGHT CHANCE OF
DRIZZLE AND LIGHT FREEZING DRIZZLE IN THE EVENING. WAVES 1 TO
2 FEET.
FRIDAY
WEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 TO
2 FEET.
FRIDAY NIGHT
WEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-191600-
OAK POINT TO SAXON HARBOR WI-
437 AM CDT THU MAR 19 2026
TODAY
EAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF DRIZZLE LATE
IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
SOUTH WIND 5 KNOTS BECOMING SOUTHWEST WITH GUSTS TO
AROUND 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. SLIGHT CHANCE
OF DRIZZLE IN THE EVENING. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.
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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