314
FZUS53 KDLH 200303
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1002 PM 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.
LSZ140-201000-
GRAND PORTAGE TO GRAND MARAIS MN-
1002 PM CDT THU MAR 19 2026
REST OF TONIGHT
SOUTHEAST WIND 15 TO 20 KNOTS BECOMING
NORTHEAST 5 TO 10 KNOTS AFTER MIDNIGHT, THEN BECOMING NORTHWEST
TOWARD DAYBREAK. CHANCE OF SNOW, LIGHT FREEZING DRIZZLE AND LIGHT
SLEET LATE IN THE EVENING. CHANCE OF LIGHT FREEZING RAIN AND
SLIGHT CHANCE OF DRIZZLE IN THE LATE EVENING AND EARLY MORNING.
SLIGHT CHANCE OF LIGHT FREEZING DRIZZLE AFTER MIDNIGHT. PATCHY
FOG THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING WEST IN THE
AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHEAST EARLY
IN THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. CHANCE OF RAIN IN THE MORNING. CHANCE OF SNOW
THROUGH THE DAY. SLIGHT CHANCE OF LIGHT SLEET IN THE AFTERNOON.
WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-201000-
GRAND MARAIS TO TACONITE HARBOR MN-
1002 PM CDT THU MAR 19 2026
REST OF TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING WEST
TOWARD DAYBREAK. SLIGHT CHANCE OF DRIZZLE AND SNOW LATE IN THE
EVENING. SLIGHT CHANCE OF LIGHT FREEZING DRIZZLE IN THE LATE
EVENING AND EARLY MORNING. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO
2 FEET.
FRIDAY
WEST WIND 5 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
WEST WIND 5 KNOTS BECOMING EAST EARLY IN THE
MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
EAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN IN THE
MORNING. CHANCE OF SNOW THROUGH THE DAY. SLIGHT CHANCE OF LIGHT
SLEET IN THE AFTERNOON. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-201000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1002 PM CDT THU MAR 19 2026
REST OF TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST
AFTER MIDNIGHT, THEN BECOMING NORTHWEST TOWARD DAYBREAK. PATCHY
FOG IN THE LATE EVENING AND EARLY MORNING. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST LATE IN THE
AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
WEST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHWEST 5 KNOTS AFTER
MIDNIGHT BECOMING NORTHEAST. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN AND SNOW
THROUGH THE DAY. CHANCE OF LIGHT SLEET IN THE AFTERNOON. WAVES
1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-201000-
SILVER BAY HARBOR TO TWO HARBORS MN-
1002 PM CDT THU MAR 19 2026
REST OF TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING SOUTHWEST
AFTER MIDNIGHT, THEN BECOMING WEST TOWARD DAYBREAK. MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 KNOTS. PATCHY FOG IN THE MORNING. WAVES
1 FOOT OR LESS.
FRIDAY NIGHT
WEST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTH 5 KNOTS AFTER
MIDNIGHT BECOMING EAST. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN AND SNOW
THROUGH THE DAY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-201000-
TWO HARBORS TO DULUTH MN-
1002 PM CDT THU MAR 19 2026
REST OF TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
10 TO 15 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 1 FOOT OR
LESS.
FRIDAY
WEST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE MORNING.
WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
WEST WIND 5 KNOTS BECOMING SOUTHEAST AFTER
MIDNIGHT, THEN BECOMING EAST EARLY IN THE MORNING. MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN AND SNOW
THROUGH THE DAY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-201000-
DULUTH MN TO PORT WING WI-
1002 PM CDT THU MAR 19 2026
REST OF TONIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING
SOUTHWEST 10 TO 15 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
FRIDAY
WEST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE MORNING.
WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
WEST WIND 5 KNOTS BECOMING SOUTHEAST AFTER
MIDNIGHT, THEN BECOMING EAST EARLY IN THE MORNING. MOSTLY CLOUDY.
WAVES 1 FOOT OR LESS.
SATURDAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN THROUGH
THE DAY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-201000-
PORT WING TO SAND ISLAND WI-
1002 PM CDT THU MAR 19 2026
REST OF TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING WEST
AFTER MIDNIGHT. PATCHY FOG IN THE LATE EVENING AND EARLY MORNING.
WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 KNOTS. PATCHY FOG IN THE MORNING. WAVES
1 FOOT OR LESS.
FRIDAY NIGHT
WEST WIND 5 KNOTS EARLY IN THE EVENING BECOMING
VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTH 5 KNOTS AFTER
MIDNIGHT BECOMING EAST. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
EAST WIND 5 TO 10 KNOTS. CHANCE OF RAIN THROUGH THE
DAY. CHANCE OF SNOW IN THE AFTERNOON. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-201000-
SAND ISLAND TO BAYFIELD WI-
1002 PM CDT THU MAR 19 2026
REST OF TONIGHT
SOUTHEAST WIND 5 KNOTS BECOMING WEST AFTER
MIDNIGHT. PATCHY FOG IN THE LATE EVENING AND EARLY MORNING. WAVES
1 FOOT OR LESS.
FRIDAY
WEST WIND 5 KNOTS. PATCHY FOG IN THE MORNING. WAVES
1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 KNOTS EARLY IN THE EVENING
BECOMING VARIABLE 10 KNOTS OR LESS, THEN BECOMING SOUTHWEST
5 KNOTS AFTER MIDNIGHT BECOMING SOUTHEAST. MOSTLY CLOUDY. WAVES
1 FOOT OR LESS.
SATURDAY
EAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE IN
THE AFTERNOON. CHANCE OF RAIN THROUGH THE DAY. CHANCE OF SNOW IN
THE AFTERNOON. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-201000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1002 PM CDT THU MAR 19 2026
REST OF TONIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING WEST AFTER
MIDNIGHT. PATCHY FOG. WAVES 1 FOOT OR LESS.
FRIDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING WEST LATE IN THE
AFTERNOON. PATCHY FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING SOUTHEAST EARLY
IN THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
EAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS LATE IN THE AFTERNOON. CHANCE OF RAIN AND SNOW THROUGH
THE DAY. WAVES 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-201000-
OAK POINT TO SAXON HARBOR WI-
1002 PM CDT THU MAR 19 2026
REST OF TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
AFTER MIDNIGHT, THEN BECOMING WEST TOWARD DAYBREAK. PATCHY FOG
AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
NORTHWEST WIND 5 TO 10 KNOTS. PATCHY FOG IN THE
MORNING. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH EARLY IN
THE MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
SATURDAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE
IN THE AFTERNOON. SLIGHT CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF RAIN IN THE AFTERNOON. WAVES 1 TO 3 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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