365
FZUS53 KDLH 240518
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1118 PM CST TUE DEC 23 2025
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.
LSZ140-241100-
GRAND PORTAGE TO GRAND MARAIS MN-
1118 PM CST TUE DEC 23 2025
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING
SOUTHEAST TOWARD DAYBREAK. CHANCE OF FLURRIES THROUGH THE NIGHT.
WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 5 TO 10 KNOTS IN THE AFTERNOON. CHANCE OF
SNOW IN THE MORNING. WAVES 1 TO 2 FEET.
WEDNESDAY NIGHT
NORTH WIND 10 TO 15 KNOTS BECOMING NORTHEAST
EARLY IN THE MORNING. GUSTS UP TO 20 KNOTS. PARTLY CLOUDY. WAVES
1 TO 2 FEET.
THURSDAY
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING EAST 15 TO 20 KNOTS WITH GALES TO AROUND
35 KNOTS LATE IN THE AFTERNOON. CHANCE OF SNOW IN THE AFTERNOON.
WAVES 1 TO 2 FEET BUILDING TO 3 TO 5 FEET IN THE AFTERNOON. A
GALE WARNING MAY BE NEEDED.
LSZ141-241100-
GRAND MARAIS TO TACONITE HARBOR MN-
1118 PM CST TUE DEC 23 2025
REST OF TONIGHT
NORTH WIND 5 KNOTS BECOMING SOUTHEAST TOWARD
DAYBREAK. CHANCE OF FLURRIES LATE IN THE EVENING. CHANCE OF
FLURRIES TOWARD DAYBREAK. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTH WIND 5 TO 10 KNOTS BECOMING WEST IN THE
AFTERNOON. CHANCE OF FLURRIES IN THE MORNING. WAVES 1 FOOT OR
LESS.
WEDNESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING EAST 15 TO 20 KNOTS WITH GALES TO AROUND
35 KNOTS LATE IN THE AFTERNOON. CHANCE OF SNOW IN THE AFTERNOON.
WAVES 1 TO 2 FEET BUILDING TO 3 TO 5 FEET IN THE AFTERNOON. WAVES
OCCASIONALLY TO 7 FEET. A GALE WARNING MAY BE NEEDED.
LSZ142-241100-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1118 PM CST TUE DEC 23 2025
REST OF TONIGHT
NORTH WIND 5 KNOTS BECOMING SOUTHEAST TOWARD
DAYBREAK. CHANCE OF FLURRIES TOWARD DAYBREAK. WAVES 1 FOOT OR
LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS BECOMING WEST IN THE
AFTERNOON. SLIGHT CHANCE OF SNOW IN THE MORNING. WAVES 1 FOOT OR
LESS.
WEDNESDAY NIGHT
NORTH WIND 5 KNOTS BECOMING NORTHEAST EARLY IN
THE MORNING. MOSTLY CLEAR. WAVES 1 FOOT OR LESS.
THURSDAY
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING EAST 15 TO 20 KNOTS WITH GALES TO AROUND
35 KNOTS LATE IN THE AFTERNOON. CHANCE OF SNOW IN THE AFTERNOON.
WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET IN THE AFTERNOON. WAVES
OCCASIONALLY TO 7 FEET. A GALE WARNING MAY BE NEEDED.
LSZ143-241100-
SILVER BAY HARBOR TO TWO HARBORS MN-
1118 PM CST TUE DEC 23 2025
REST OF TONIGHT
NORTH WIND 5 KNOTS BECOMING SOUTHEAST TOWARD
DAYBREAK. CHANCE OF FLURRIES AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
WEDNESDAY
SOUTH WIND 5 KNOTS BECOMING WEST LATE IN THE
AFTERNOON. CHANCE OF FLURRIES IN THE MORNING. WAVES 1 FOOT OR
LESS.
WEDNESDAY NIGHT
NORTH WIND 5 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. MOSTLY
CLEAR. WAVES 1 FOOT OR LESS.
THURSDAY
EAST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 35 KNOTS. CHANCE OF SNOW AND SLIGHT CHANCE OF LIGHT
FREEZING RAIN IN THE AFTERNOON. WAVES 1 TO 2 FEET BUILDING TO
3 TO 5 FEET IN THE LATE MORNING AND AFTERNOON. A GALE WARNING MAY
BE NEEDED.
LSZ144-241100-
TWO HARBORS TO DULUTH MN-
1118 PM CST TUE DEC 23 2025
REST OF TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST
TOWARD DAYBREAK. CHANCE OF FLURRIES AFTER MIDNIGHT. WAVES 1 FOOT
OR LESS.
WEDNESDAY
SOUTH WIND 5 KNOTS BECOMING WEST LATE IN THE
AFTERNOON. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST
10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT.
PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
EAST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 30 KNOTS. SLIGHT CHANCE OF LIGHT FREEZING RAIN AND
SNOW IN THE AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET
IN THE LATE MORNING AND AFTERNOON. WAVES OCCASIONALLY TO 7 FEET.
A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ145-241100-
DULUTH MN TO PORT WING WI-
1118 PM CST TUE DEC 23 2025
REST OF TONIGHT
NORTHEAST WIND 5 TO 10 KNOTS BECOMING
SOUTHEAST AFTER MIDNIGHT. CHANCE OF FLURRIES AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTH WIND 5 KNOTS BECOMING WEST LATE IN THE
AFTERNOON. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTHEAST
10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING
AND OVERNIGHT. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
EAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS IN THE
AFTERNOON. SLIGHT CHANCE OF LIGHT FREEZING RAIN AND SNOW IN THE
AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE LATE
MORNING AND AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LSZ146-241100-
PORT WING TO SAND ISLAND WI-
1118 PM CST TUE DEC 23 2025
REST OF TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING SOUTHEAST
AFTER MIDNIGHT. CHANCE OF FLURRIES AFTER MIDNIGHT. WAVES 1 FOOT
OR LESS.
WEDNESDAY
SOUTH WIND 5 KNOTS BECOMING WEST LATE IN THE
AFTERNOON. CHANCE OF FLURRIES IN THE MORNING. WAVES 1 FOOT OR
LESS.
WEDNESDAY NIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTHEAST
10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING
AND OVERNIGHT. PARTLY CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
EAST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS IN THE
AFTERNOON. CHANCE OF SNOW IN THE AFTERNOON. WAVES 1 TO 3 FEET
BUILDING TO 2 TO 4 FEET IN THE LATE MORNING AND AFTERNOON.
LSZ147-241100-
SAND ISLAND TO BAYFIELD WI-
1118 PM CST TUE DEC 23 2025
REST OF TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING SOUTH TOWARD
DAYBREAK. CHANCE OF FLURRIES TOWARD DAYBREAK. WAVES 1 FOOT OR
LESS.
WEDNESDAY
SOUTH WIND 5 KNOTS BECOMING WEST IN THE AFTERNOON.
CHANCE OF FLURRIES IN THE MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTHEAST WITH
GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY.
WAVES 1 FOOT OR LESS.
THURSDAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE AFTERNOON. CHANCE OF SNOW IN THE
AFTERNOON. WAVES 1 TO 2 FEET BUILDING TO 1 TO 3 FEET IN THE
AFTERNOON.
LSZ150-241100-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1118 PM CST TUE DEC 23 2025
REST OF TONIGHT
NORTHEAST WIND 5 KNOTS BECOMING SOUTH TOWARD
DAYBREAK. CHANCE OF FLURRIES TOWARD DAYBREAK. WAVES 1 FOOT OR
LESS.
WEDNESDAY
SOUTH WIND 5 KNOTS BECOMING WEST IN THE AFTERNOON.
SLIGHT CHANCE OF SNOW IN THE MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTH IN THE
LATE EVENING AND EARLY MORNING, THEN BECOMING NORTHEAST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING.
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES
1 TO 2 FEET BUILDING TO 1 TO 3 FEET EARLY IN THE MORNING.
THURSDAY
EAST WIND 15 TO 20 KNOTS. GUSTS UP TO 20 KNOTS
INCREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. CHANCE
OF SNOW IN THE AFTERNOON. WAVES 3 TO 5 FEET. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
LSZ121-241100-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
1118 PM CST TUE DEC 23 2025
REST OF TONIGHT
NORTHWEST WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. CHANCE OF FLURRIES AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS. CHANCE OF FLURRIES IN THE
MORNING. WAVES 1 FOOT OR LESS.
WEDNESDAY NIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTHEAST
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
THURSDAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. SLIGHT CHANCE OF SNOW IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
LSZ148-241100-
OAK POINT TO SAXON HARBOR WI-
1118 PM CST TUE DEC 23 2025
REST OF TONIGHT
NORTH WIND 5 KNOTS BECOMING SOUTH AFTER
MIDNIGHT. CHANCE OF FLURRIES AFTER MIDNIGHT. WAVES 1 FOOT OR
LESS.
WEDNESDAY
SOUTHWEST WIND 5 KNOTS BECOMING WEST LATE IN THE
AFTERNOON. CHANCE OF FLURRIES IN THE MORNING. WAVES 1 FOOT OR
LESS.
WEDNESDAY NIGHT
NORTHWEST WIND 5 KNOTS BECOMING NORTH LATE IN
THE EVENING, THEN BECOMING NORTHEAST 10 TO 15 KNOTS AFTER
MIDNIGHT. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
THURSDAY
EAST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS. CHANCE OF FLURRIES IN THE AFTERNOON. WAVES 2 TO 4 FEET.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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