842
FZUS53 KDLH 111018
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
517 AM CDT WED MAR 11 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.
LSZ140-111600-
GRAND PORTAGE TO GRAND MARAIS MN-
517 AM CDT WED MAR 11 2026
TODAY
NORTH WIND 10 TO 15 KNOTS BECOMING NORTHWEST LATE IN THE
AFTERNOON. GUSTS UP TO 20 KNOTS. CHANCE OF SNOW IN THE MORNING.
WAVES 1 TO 3 FEET.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
THURSDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTH EARLY IN
THE AFTERNOON, THEN BECOMING SOUTHEAST 10 TO 15 KNOTS WITH GUSTS
TO AROUND 20 KNOTS LATE IN THE AFTERNOON. CHANCE OF FLURRIES IN
THE AFTERNOON. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
EAST WIND UP TO 30 KNOTS WITH GALES TO AROUND
45 KNOTS. BLOWING SNOW IN THE EVENING. FREEZING SPRAY THROUGH THE
NIGHT. AREAS OF BLOWING SNOW AFTER MIDNIGHT. SNOW LIKELY THROUGH
THE NIGHT. WAVES 2 TO 4 FEET BUILDING TO 7 TO 12 FEET. WAVES
OCCASIONALLY TO 16 FEET. A GALE WARNING MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-111600-
GRAND MARAIS TO TACONITE HARBOR MN-
517 AM CDT WED MAR 11 2026
TODAY
NORTH WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS LATE IN
THE AFTERNOON. CHANCE OF SNOW EARLY IN THE MORNING. WAVES 1 TO
3 FEET.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
THURSDAY
NORTHWEST WIND 5 KNOTS BECOMING SOUTH EARLY IN THE
AFTERNOON, THEN BECOMING SOUTHEAST 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS LATE IN THE AFTERNOON. CHANCE OF FLURRIES IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
EAST WIND UP TO 30 KNOTS WITH GALES TO AROUND
45 KNOTS BECOMING NORTHEAST 20 TO 25 KNOTS WITH GALES TO AROUND
45 KNOTS EARLY IN THE MORNING. BLOWING SNOW IN THE EVENING.
FREEZING SPRAY THROUGH THE NIGHT. AREAS OF BLOWING SNOW AFTER
MIDNIGHT. SNOW THROUGH THE NIGHT. WAVES 2 TO 4 FEET BUILDING TO
8 TO 11 FEET. WAVES OCCASIONALLY TO 14 FEET. A GALE WARNING MAY
BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-111600-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
517 AM CDT WED MAR 11 2026
TODAY
NORTH WIND 5 TO 10 KNOTS. CHANCE OF FLURRIES EARLY IN
THE MORNING. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE
LATE MORNING AND AFTERNOON.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.
THURSDAY
NORTHWEST WIND 5 KNOTS BECOMING WEST LATE IN THE
MORNING, THEN BECOMING SOUTHEAST 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS IN THE AFTERNOON. CHANCE OF SNOW IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
EAST WIND 20 TO 25 KNOTS WITH GALES TO AROUND
40 KNOTS BECOMING NORTHEAST WITH GALES TO AROUND 40 KNOTS EARLY
IN THE MORNING. BLOWING SNOW IN THE EVENING. PATCHY BLOWING SNOW
AFTER MIDNIGHT. SNOW THROUGH THE NIGHT. WAVES 2 TO 4 FEET
BUILDING TO 8 TO 11 FEET. WAVES OCCASIONALLY TO 14 FEET. A GALE
WARNING MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-111600-
SILVER BAY HARBOR TO TWO HARBORS MN-
517 AM CDT WED MAR 11 2026
TODAY
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHWEST LATE IN THE
AFTERNOON. CHANCE OF SNOW EARLY IN THE MORNING. WAVES 1 TO
3 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
THURSDAY
NORTH WIND 5 KNOTS BECOMING SOUTHWEST LATE IN THE
MORNING, THEN BECOMING EAST 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS IN THE AFTERNOON. CHANCE OF SNOW IN THE AFTERNOON. WAVES
1 TO 2 FEET.
THURSDAY NIGHT
EAST WIND 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS BECOMING NORTHEAST WITH GALES TO AROUND 35 KNOTS EARLY
IN THE MORNING. SNOW. WAVES 2 TO 4 FEET BUILDING TO 7 TO 10 FEET.
WAVES OCCASIONALLY TO 13 FEET. A GALE WARNING MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-111600-
TWO HARBORS TO DULUTH MN-
517 AM CDT WED MAR 11 2026
TODAY
NORTH WIND 5 TO 10 KNOTS. CHANCE OF SNOW EARLY IN THE
MORNING. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE
MORNING AND AFTERNOON.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
THURSDAY
NORTH WIND 5 KNOTS BECOMING SOUTH LATE IN THE
MORNING, THEN BECOMING EAST 15 TO 20 KNOTS IN THE AFTERNOON.
CHANCE OF SNOW IN THE AFTERNOON. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
EAST WIND 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS BECOMING NORTH UP TO 30 KNOTS WITH GALES TO AROUND
35 KNOTS EARLY IN THE MORNING. SNOW. WAVES 4 TO 6 FEET BUILDING
TO 6 TO 9 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY TO 12 FEET. A
GALE WARNING MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-111600-
DULUTH MN TO PORT WING WI-
517 AM CDT WED MAR 11 2026
TODAY
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHWEST LATE IN THE
AFTERNOON. CHANCE OF SNOW IN THE MORNING. WAVES 1 TO 3 FEET
SUBSIDING TO 1 TO 2 FEET IN THE LATE MORNING AND AFTERNOON.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
THURSDAY
SOUTHWEST WIND 5 KNOTS BECOMING SOUTH LATE IN THE
MORNING, THEN BECOMING SOUTHEAST EARLY IN THE AFTERNOON RISING TO
15 TO 20 KNOTS LATE IN THE AFTERNOON. CHANCE OF SNOW IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
THURSDAY NIGHT
SOUTHEAST WIND 20 TO 25 KNOTS WITH GUSTS TO
AROUND 30 KNOTS BECOMING NORTH UP TO 30 KNOTS WITH GALES TO
AROUND 35 KNOTS EARLY IN THE MORNING. CHANCE OF SNOW IN THE
EVENING, THEN SNOW LIKELY AFTER MIDNIGHT. WAVES 4 TO 6 FEET
BUILDING TO 7 TO 10 FEET AFTER MIDNIGHT. WAVES OCCASIONALLY TO
12 FEET. A GALE WARNING MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-111600-
PORT WING TO SAND ISLAND WI-
517 AM CDT WED MAR 11 2026
TODAY
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHWEST IN THE
AFTERNOON. SNOW LIKELY EARLY IN THE MORNING, THEN CHANCE OF
FLURRIES IN THE LATE MORNING AND EARLY AFTERNOON. WAVES 1 TO
3 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTHWEST LATE IN THE
MORNING, THEN BECOMING SOUTHEAST 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS IN THE AFTERNOON. CHANCE OF SNOW IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
EAST WIND 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS BECOMING NORTHEAST WITH GALES TO AROUND 35 KNOTS EARLY
IN THE MORNING. CHANCE OF SNOW IN THE EVENING, THEN SNOW AFTER
MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 6 TO 9 FEET. WAVES
OCCASIONALLY TO 12 FEET. A GALE WARNING MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-111600-
SAND ISLAND TO BAYFIELD WI-
517 AM CDT WED MAR 11 2026
TODAY
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHWEST LATE IN THE
AFTERNOON. SNOW LIKELY EARLY IN THE MORNING, THEN CHANCE OF
FLURRIES IN THE LATE MORNING AND EARLY AFTERNOON. WAVES 1 TO
3 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
THURSDAY
NORTHWEST WIND 5 KNOTS BECOMING WEST LATE IN THE
MORNING, THEN BECOMING SOUTHEAST 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS IN THE AFTERNOON. CHANCE OF SNOW IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS BECOMING EAST 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN BECOMING
NORTHEAST WITH GALES TO AROUND 35 KNOTS EARLY IN THE MORNING.
SNOW. WAVES 1 TO 3 FEET BUILDING TO 6 TO 9 FEET. WAVES
OCCASIONALLY TO 11 FEET. A GALE WARNING MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-111600-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
517 AM CDT WED MAR 11 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
TODAY
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHWEST 5 TO 10 KNOTS LATE IN THE AFTERNOON. SNOW
LIKELY EARLY IN THE MORNING, THEN CHANCE OF SNOW IN THE LATE
MORNING AND EARLY AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET LATE IN THE AFTERNOON.
TONIGHT
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS IN
THE EVENING. MOSTLY CLEAR. WAVES 1 TO 3 FEET.
THURSDAY
NORTHWEST WIND 5 TO 10 KNOTS BECOMING WEST LATE IN
THE MORNING, THEN BECOMING SOUTHEAST EARLY IN THE AFTERNOON
BECOMING EAST 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS LATE
IN THE AFTERNOON. SLIGHT CHANCE OF SNOW IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
THURSDAY NIGHT
EAST WIND 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS BECOMING NORTHEAST WITH GALES TO AROUND 35 KNOTS EARLY
IN THE MORNING. SLIGHT CHANCE OF SNOW IN THE EVENING, THEN SNOW
AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 8 TO 11 FEET. WAVES
OCCASIONALLY TO 14 FEET. A GALE WARNING MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-111600-
OAK POINT TO SAXON HARBOR WI-
517 AM CDT WED MAR 11 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
TODAY
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
BECOMING NORTHWEST 5 TO 10 KNOTS LATE IN THE AFTERNOON. SNOW
EARLY IN THE MORNING, THEN CHANCE OF SNOW IN THE LATE MORNING AND
EARLY AFTERNOON. WAVES 2 TO 4 FEET.
TONIGHT
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 1 TO
2 FEET.
THURSDAY
WEST WIND 5 KNOTS BECOMING SOUTHEAST 10 TO 15 KNOTS
WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF
SNOW IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
SOUTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 30 KNOTS BECOMING NORTHEAST 20 TO 25 KNOTS WITH GALES TO
AROUND 35 KNOTS EARLY IN THE MORNING. SNOW AND SLIGHT CHANCE OF
RAIN. WAVES 1 TO 3 FEET BUILDING TO 5 TO 8 FEET IN THE LATE
EVENING AND OVERNIGHT. WAVES OCCASIONALLY TO 10 FEET. A GALE
WARNING 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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