358
FZUS53 KDLH 211908
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
108 PM CST SUN DEC 21 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.
LSZ140-212300-
GRAND PORTAGE TO GRAND MARAIS MN-
108 PM CST SUN DEC 21 2025
REST OF TODAY
WEST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST AFTER
MIDNIGHT, THEN BECOMING NORTHEAST EARLY IN THE MORNING. MOSTLY
CLOUDY. WAVES 1 TO 2 FEET.
MONDAY
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF SNOW IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
MONDAY NIGHT
EAST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING SOUTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS EARLY IN THE MORNING. CHANCE OF SNOW. WAVES 1 TO 2 FEET.
LSZ141-212300-
GRAND MARAIS TO TACONITE HARBOR MN-
108 PM CST SUN DEC 21 2025
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST EARLY IN
THE MORNING. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
MONDAY
EAST WIND 5 TO 10 KNOTS. CHANCE OF SNOW IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
MONDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING WEST WITH
GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING. CHANCE OF SNOW.
WAVES 1 TO 2 FEET.
LSZ142-212300-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
108 PM CST SUN DEC 21 2025
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST EARLY
IN THE MORNING. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
EAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF SNOW IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING WEST WITH
GUSTS TO AROUND 25 KNOTS EARLY IN THE MORNING. CHANCE OF SNOW IN
THE EVENING, THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
LSZ143-212300-
SILVER BAY HARBOR TO TWO HARBORS MN-
108 PM CST SUN DEC 21 2025
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
WEST WIND 5 TO 10 KNOTS BECOMING NORTH EARLY IN THE
MORNING. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
EAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF SNOW IN THE
AFTERNOON. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING WEST WITH
GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF
SNOW IN THE EVENING. WAVES 1 FOOT OR LESS.
LSZ144-212300-
TWO HARBORS TO DULUTH MN-
108 PM CST SUN DEC 21 2025
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST EARLY
IN THE MORNING. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
EAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF SNOW. WAVES
1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE
IN THE EVENING, THEN BECOMING SOUTHWEST AFTER MIDNIGHT BECOMING
WEST 15 TO 20 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF SNOW
IN THE EVENING. WAVES 1 TO 2 FEET.
LSZ145-212300-
DULUTH MN TO PORT WING WI-
108 PM CST SUN DEC 21 2025
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES
1 FOOT OR LESS.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST EARLY
IN THE MORNING. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
EAST WIND 5 TO 10 KNOTS. SLIGHT CHANCE OF SNOW IN THE
MORNING. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
IN THE LATE EVENING AND EARLY MORNING, THEN BECOMING WEST 15 TO
20 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF SNOW IN THE
EVENING. WAVES 1 TO 2 FEET.
LSZ146-212300-
PORT WING TO SAND ISLAND WI-
108 PM CST SUN DEC 21 2025
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN THE
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SLIGHT CHANCE OF SNOW. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING WEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING.
SLIGHT CHANCE OF SNOW IN THE EVENING. WAVES 1 TO 2 FEET.
LSZ147-212300-
SAND ISLAND TO BAYFIELD WI-
108 PM CST SUN DEC 21 2025
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 TO 2 FEET.
TONIGHT
SOUTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN THE EVENING
THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
SOUTHEAST WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SLIGHT CHANCE OF LIGHT FREEZING RAIN IN THE MORNING. SLIGHT
CHANCE OF SNOW THROUGH THE DAY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING WEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING.
SLIGHT CHANCE OF SNOW IN THE EVENING. WAVES 1 FOOT OR LESS.
LSZ150-212300-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
108 PM CST SUN DEC 21 2025
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 TO 2 FEET.
TONIGHT
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
LATE IN THE EVENING. PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. WAVES 1 TO 2 FEET.
MONDAY
SOUTH WIND 5 TO 10 KNOTS BECOMING EAST IN THE
AFTERNOON. SLIGHT CHANCE OF LIGHT FREEZING RAIN IN THE MORNING.
SLIGHT CHANCE OF SNOW THROUGH THE DAY. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING WEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING.
SLIGHT CHANCE OF SNOW THROUGH THE NIGHT. WAVES 1 FOOT OR LESS.
LSZ121-212300-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
108 PM CST SUN DEC 21 2025
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
SOUTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN THE EVENING
THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
SOUTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SLIGHT CHANCE OF SNOW AND CHANCE OF LIGHT FREEZING RAIN IN THE
MORNING. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 KNOTS BECOMING SOUTH IN THE LATE
EVENING AND EARLY MORNING, THEN BECOMING WEST 10 TO 15 KNOTS WITH
GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY IN
THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES 1 FOOT OR LESS.
LSZ148-212300-
OAK POINT TO SAXON HARBOR WI-
108 PM CST SUN DEC 21 2025
REST OF TODAY
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY.
WAVES 1 FOOT OR LESS.
TONIGHT
SOUTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY IN THE EVENING
THEN BECOMING MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
MONDAY
SOUTH WIND 5 KNOTS BECOMING EAST IN THE AFTERNOON.
SLIGHT CHANCE OF SNOW AND LIGHT FREEZING RAIN IN THE MORNING.
WAVES 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTHWEST
10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE
MORNING. MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES
WFO DLH
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