395
FZUS53 KDLH 190217
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
917 PM CDT WED MAR 18 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.
LSZ140-191000-
GRAND PORTAGE TO GRAND MARAIS MN-
917 PM CDT WED MAR 18 2026
REST OF TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH
TOWARD DAYBREAK. MOSTLY CLOUDY LATE IN THE EVENING THEN BECOMING
PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
NORTH WIND 5 TO 10 KNOTS BECOMING SOUTH IN THE
AFTERNOON. CHANCE OF SNOW IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
AFTER MIDNIGHT. PATCHY FOG THROUGH THE NIGHT. CHANCE OF SNOW AND
LIGHT FREEZING RAIN IN THE EVENING. CHANCE OF RAIN THROUGH THE
NIGHT. SLIGHT CHANCE OF LIGHT FREEZING RAIN AND SNOW AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH EARLY IN
THE AFTERNOON, THEN BECOMING WEST LATE IN THE AFTERNOON. PATCHY
FOG IN THE MORNING. . WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-191000-
GRAND MARAIS TO TACONITE HARBOR MN-
917 PM CDT WED MAR 18 2026
REST OF TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTH TOWARD
DAYBREAK. SLIGHT CHANCE OF LIGHT FREEZING DRIZZLE LATE IN THE
EVENING. WAVES 1 FOOT OR LESS.
THURSDAY
NORTH WIND 5 KNOTS BECOMING EAST LATE IN THE MORNING,
THEN BECOMING SOUTH IN THE AFTERNOON. SLIGHT CHANCE OF SNOW IN
THE AFTERNOON. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. CHANCE OF SNOW AND LIGHT FREEZING RAIN IN THE EVENING.
CHANCE OF RAIN THROUGH THE NIGHT. SLIGHT CHANCE OF LIGHT FREEZING
RAIN AND SNOW AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
FRIDAY
NORTHWEST WIND 5 KNOTS. PATCHY FOG IN THE MORNING.
WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-191000-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
917 PM CDT WED MAR 18 2026
REST OF TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTH TOWARD
DAYBREAK. SLIGHT CHANCE OF DRIZZLE AND LIGHT FREEZING DRIZZLE IN
THE LATE EVENING AND EARLY MORNING. WAVES 1 FOOT OR LESS.
THURSDAY
NORTH WIND 5 KNOTS BECOMING SOUTH IN THE AFTERNOON.
SLIGHT CHANCE OF RAIN IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. PATCHY FOG THROUGH THE NIGHT. SLIGHT CHANCE OF LIGHT
FREEZING RAIN IN THE EVENING. SLIGHT CHANCE OF RAIN THROUGH THE
NIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 KNOTS. PATCHY FOG IN THE MORNING. WAVES
1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-191000-
SILVER BAY HARBOR TO TWO HARBORS MN-
917 PM CDT WED MAR 18 2026
REST OF TONIGHT
NORTHWEST WIND 5 KNOTS. SLIGHT CHANCE OF
DRIZZLE AND LIGHT FREEZING DRIZZLE IN THE LATE EVENING AND EARLY
MORNING. SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
THURSDAY
NORTH WIND 5 KNOTS BECOMING SOUTHEAST IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST IN
THE LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF RAIN AND LIGHT
FREEZING RAIN IN THE EVENING. PATCHY FOG THROUGH THE NIGHT. WAVES
1 FOOT OR LESS.
FRIDAY
WEST WIND 5 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-191000-
TWO HARBORS TO DULUTH MN-
917 PM CDT WED MAR 18 2026
REST OF TONIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTH TOWARD
DAYBREAK. SLIGHT CHANCE OF RAIN LATE IN THE EVENING. SLIGHT
CHANCE OF DRIZZLE IN THE LATE EVENING AND EARLY MORNING. WAVES
1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
EARLY IN THE MORNING. PATCHY FOG THROUGH THE NIGHT. WAVES 1 FOOT
OR LESS.
FRIDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES 1 FOOT OR
LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-191000-
DULUTH MN TO PORT WING WI-
917 PM CDT WED MAR 18 2026
REST OF TONIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTH TOWARD
DAYBREAK. SLIGHT CHANCE OF RAIN AND DRIZZLE IN THE LATE EVENING
AND EARLY MORNING. SLIGHT CHANCE OF LIGHT FREEZING DRIZZLE AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 5 KNOTS BECOMING EAST LATE IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
EARLY IN THE MORNING. PATCHY FOG THROUGH THE NIGHT. WAVES 1 FOOT
OR LESS.
FRIDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES 1 FOOT OR
LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-191000-
PORT WING TO SAND ISLAND WI-
917 PM CDT WED MAR 18 2026
REST OF TONIGHT
SOUTH WIND 5 KNOTS BECOMING NORTH TOWARD
DAYBREAK. SLIGHT CHANCE OF DRIZZLE IN THE LATE EVENING AND EARLY
MORNING. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 5 KNOTS BECOMING EAST IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST IN
THE LATE EVENING AND EARLY MORNING, THEN BECOMING SOUTHWEST 5 TO
10 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN IN THE
EVENING. PATCHY FOG THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES 1 FOOT OR
LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-191000-
SAND ISLAND TO BAYFIELD WI-
917 PM CDT WED MAR 18 2026
REST OF TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING WEST AFTER
MIDNIGHT, THEN BECOMING NORTH TOWARD DAYBREAK. SLIGHT CHANCE OF
DRIZZLE AND LIGHT FREEZING DRIZZLE IN THE LATE EVENING AND EARLY
MORNING. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST AFTER
MIDNIGHT. PATCHY FOG THROUGH THE NIGHT. SLIGHT CHANCE OF RAIN
THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-191000-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
917 PM CDT WED MAR 18 2026
REST OF TONIGHT
WEST WIND 5 KNOTS BECOMING NORTH TOWARD
DAYBREAK. SLIGHT CHANCE OF LIGHT FREEZING DRIZZLE LATE IN THE
EVENING. SLIGHT CHANCE OF DRIZZLE IN THE LATE EVENING AND EARLY
MORNING. WAVES 1 FOOT OR LESS.
THURSDAY
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST EARLY
IN THE MORNING. PATCHY FOG THROUGH THE NIGHT. SLIGHT CHANCE OF
LIGHT FREEZING RAIN IN THE EVENING. SLIGHT CHANCE OF RAIN THROUGH
THE NIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-191000-
OAK POINT TO SAXON HARBOR WI-
917 PM CDT WED MAR 18 2026
REST OF TONIGHT
SOUTHWEST WIND 5 KNOTS BECOMING NORTHWEST
TOWARD DAYBREAK. SLIGHT CHANCE OF SNOW LATE IN THE EVENING.
SLIGHT CHANCE OF DRIZZLE IN THE LATE EVENING AND EARLY MORNING.
WAVES 1 FOOT OR LESS.
THURSDAY
NORTH WIND 5 KNOTS BECOMING SOUTHEAST LATE IN THE
AFTERNOON. PARTLY SUNNY. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. PATCHY FOG THROUGH
THE NIGHT. WAVES 1 FOOT OR LESS.
FRIDAY
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST IN THE
AFTERNOON. PARTLY SUNNY. 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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