670
FZUS53 KDLH 180943
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
343 AM CST SUN JAN 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.
LSZ140-181700-
GRAND PORTAGE TO GRAND MARAIS MN-
343 AM CST SUN JAN 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
THIS EVENING...
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...
TODAY
NORTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. CHANCE OF SNOW IN THE MORNING, THEN SNOW EARLY
IN THE AFTERNOON. SNOW LIKELY LATE IN THE AFTERNOON. WAVES 1 TO
3 FEET.
TONIGHT
NORTH WIND UP TO 30 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS LATE IN THE EVENING, THEN INCREASING TO
40 KNOTS AFTER MIDNIGHT DECREASING TO 35 KNOTS EARLY IN THE
MORNING. CHANCE OF SNOW IN THE EVENING. WAVES 3 TO 5 FEET. WAVES
OCCASIONALLY TO 7 FEET.
MONDAY
NORTHWEST WIND 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS EASING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
IN THE AFTERNOON. SLIGHT CHANCE OF SNOW IN THE AFTERNOON. WAVES
2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE AFTERNOON. A GALE
WARNING MAY BE NEEDED.
MONDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO
25 KNOTS DECREASING TO 20 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY.
WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-181700-
GRAND MARAIS TO TACONITE HARBOR MN-
343 AM CST SUN JAN 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
THIS EVENING...
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...
TODAY
WEST WIND 10 TO 15 KNOTS BECOMING NORTHWEST 15 TO
20 KNOTS LATE IN THE AFTERNOON. CHANCE OF SNOW IN THE MORNING.
SNOW EARLY IN THE AFTERNOON, THEN SNOW LIKELY LATE IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
NORTH WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
INCREASING TO 40 KNOTS IN THE LATE EVENING AND OVERNIGHT. CHANCE
OF SNOW IN THE EVENING. WAVES 2 TO 4 FEET.
MONDAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS LATE IN THE MORNING, THEN DECREASING TO
20 KNOTS EARLY IN THE AFTERNOON INCREASING TO 25 KNOTS LATE IN
THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 3 FEET.
MONDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS BECOMING WEST 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY IN THE EVENING THEN
BECOMING PARTLY CLOUDY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-181700-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
343 AM CST SUN JAN 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
THIS EVENING...
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...
TODAY
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST 15 TO
20 KNOTS LATE IN THE AFTERNOON. CHANCE OF SNOW EARLY IN THE
MORNING, THEN SNOW IN THE LATE MORNING AND EARLY AFTERNOON. SNOW
LIKELY LATE IN THE AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
INCREASING TO 40 KNOTS IN THE LATE EVENING AND EARLY MORNING,
THEN DECREASING TO 35 KNOTS EARLY IN THE MORNING. CHANCE OF SNOW
IN THE EVENING. WAVES 2 TO 4 FEET.
MONDAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS LATE IN THE MORNING, THEN DECREASING TO
20 KNOTS EARLY IN THE AFTERNOON INCREASING TO 25 KNOTS LATE IN
THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY
CLOUDY IN THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES 1 TO
2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-181700-
SILVER BAY HARBOR TO TWO HARBORS MN-
343 AM CST SUN JAN 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
THIS EVENING...
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...
TODAY
WEST WIND 10 TO 15 KNOTS BECOMING NORTHWEST WITH GUSTS
TO AROUND 20 KNOTS LATE IN THE AFTERNOON. CHANCE OF SNOW EARLY IN
THE MORNING, THEN SNOW IN THE LATE MORNING AND EARLY AFTERNOON.
SNOW LIKELY LATE IN THE AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS IN THE LATE EVENING AND EARLY MORNING,
THEN DECREASING TO 30 KNOTS EARLY IN THE MORNING. CHANCE OF SNOW
IN THE EVENING. WAVES 2 TO 4 FEET.
MONDAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS LATE IN THE MORNING, THEN THEN 25 KNOTS
LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.
MONDAY NIGHT
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS EASING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
AFTER MIDNIGHT. MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. WAVES 1 TO 2 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-181700-
TWO HARBORS TO DULUTH MN-
343 AM CST SUN JAN 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
THIS EVENING...
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING NORTHWEST 15 TO
20 KNOTS WITH GUSTS TO AROUND 25 KNOTS LATE IN THE AFTERNOON.
CHANCE OF SNOW EARLY IN THE MORNING, THEN SNOW IN THE LATE
MORNING AND EARLY AFTERNOON. CHANCE OF SNOW LATE IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
TONIGHT
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF
SNOW IN THE EVENING. WAVES 2 TO 4 FEET.
MONDAY
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS IN
THE MORNING THEN 25 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY.
WAVES 1 TO 3 FEET.
MONDAY NIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS.
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES
1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-181700-
DULUTH MN TO PORT WING WI-
343 AM CST SUN JAN 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
MONDAY EVENING...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM THIS EVENING
THROUGH MONDAY MORNING...
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING NORTHWEST 15 TO
20 KNOTS LATE IN THE AFTERNOON. CHANCE OF SNOW EARLY IN THE
MORNING, THEN SNOW IN THE LATE MORNING AND EARLY AFTERNOON.
CHANCE OF SNOW LATE IN THE AFTERNOON. WAVES 1 TO 3 FEET.
TONIGHT
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
INCREASING TO 35 KNOTS LATE IN THE EVENING, THEN DECREASING TO
30 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF SNOW IN THE EVENING.
HEAVY FREEZING SPRAY THROUGH THE NIGHT. WAVES 4 TO 6 FEET. WAVES
OCCASIONALLY TO 8 FEET. A GALE WARNING MAY BE NEEDED.
MONDAY
NORTHWEST WIND 20 TO 25 KNOTS. PARTLY SUNNY. WAVES 3 TO
5 FEET.
MONDAY NIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY
CLOUDY IN THE EVENING THEN BECOMING PARTLY CLOUDY. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-181700-
PORT WING TO SAND ISLAND WI-
343 AM CST SUN JAN 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
MONDAY EVENING...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM THIS EVENING
THROUGH MONDAY MORNING...
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING NORTHWEST 15 TO 20 KNOTS LATE IN THE AFTERNOON.
SNOW LIKELY IN THE MORNING, THEN SNOW IN THE AFTERNOON. WAVES
1 TO 3 FEET.
TONIGHT
NORTHWEST WIND UP TO 30 KNOTS. HEAVY FREEZING SPRAY
THROUGH THE NIGHT. CHANCE OF SNOW IN THE EVENING. SLIGHT CHANCE
OF SNOW AFTER MIDNIGHT. WAVES 4 TO 6 FEET BUILDING TO 5 TO 8 FEET
IN THE LATE EVENING AND OVERNIGHT. WAVES OCCASIONALLY TO 10 FEET.
MONDAY
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. MOSTLY
CLOUDY. WAVES 4 TO 6 FEET. WAVES OCCASIONALLY TO 8 FEET.
MONDAY NIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 3 TO
5 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-181700-
SAND ISLAND TO BAYFIELD WI-
343 AM CST SUN JAN 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
MONDAY EVENING...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM THIS EVENING
THROUGH MONDAY MORNING...
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS BECOMING WEST 15 TO 20 KNOTS LATE IN THE AFTERNOON.
SLIGHT CHANCE OF SNOW EARLY IN THE MORNING, THEN CHANCE OF SNOW
LATE IN THE MORNING. SNOW IN THE AFTERNOON. WAVES 1 TO 3 FEET.
TONIGHT
NORTHWEST WIND UP TO 30 KNOTS. HEAVY FREEZING SPRAY.
CHANCE OF SNOW. WAVES 4 TO 6 FEET BUILDING TO 5 TO 8 FEET IN THE
LATE EVENING AND OVERNIGHT. WAVES OCCASIONALLY TO 11 FEET.
MONDAY
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 25 KNOTS IN THE LATE MORNING AND AFTERNOON. SLIGHT
CHANCE OF SNOW IN THE MORNING. WAVES 4 TO 6 FEET SUBSIDING TO
3 TO 5 FEET IN THE AFTERNOON. WAVES OCCASIONALLY TO 8 FEET.
MONDAY NIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS AFTER MIDNIGHT. MOSTLY CLOUDY. WAVES 3 TO
5 FEET SUBSIDING TO 1 TO 3 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-181700-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
343 AM CST SUN JAN 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
MONDAY EVENING...
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM THIS EVENING
THROUGH MONDAY MORNING...
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING WEST 15 TO
20 KNOTS LATE IN THE AFTERNOON. CHANCE OF SNOW IN THE MORNING,
THEN SNOW IN THE AFTERNOON. WAVES 1 TO 3 FEET.
TONIGHT
NORTHWEST WIND UP TO 30 KNOTS. HEAVY FREEZING SPRAY
AND BLOWING SNOW. CHANCE OF SNOW. WAVES 4 TO 6 FEET BUILDING TO
7 TO 10 FEET IN THE LATE EVENING AND OVERNIGHT. WAVES
OCCASIONALLY TO 13 FEET.
MONDAY
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 30 KNOTS
EARLY IN THE MORNING. HEAVY FREEZING SPRAY IN THE MORNING. CHANCE
OF SNOW IN THE MORNING, THEN SLIGHT CHANCE OF SNOW IN THE
AFTERNOON. WAVES 5 TO 8 FEET SUBSIDING TO 4 TO 6 FEET IN THE
AFTERNOON. WAVES OCCASIONALLY TO 11 FEET.
MONDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS BECOMING WEST 10 TO
15 KNOTS WITH GUSTS TO AROUND 25 KNOTS AFTER MIDNIGHT. MOSTLY
CLOUDY. WAVES 4 TO 6 FEET SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT. WAVES OCCASIONALLY TO 7 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ121-181700-
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI-
343 AM CST SUN JAN 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
MONDAY EVENING...
TODAY
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST WITH GUSTS TO
AROUND 20 KNOTS LATE IN THE AFTERNOON. CHANCE OF SNOW IN THE
MORNING, THEN SNOW IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHWEST WIND 20 TO 25 KNOTS. GUSTS UP TO 25 KNOTS
INCREASING TO 30 KNOTS IN THE LATE EVENING AND OVERNIGHT. SNOW
LIKELY IN THE EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
MONDAY
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS BECOMING WEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS LATE IN THE AFTERNOON. SLIGHT CHANCE OF SNOW IN THE
MORNING. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
WEST WIND 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS.
MOSTLY CLOUDY. WAVES 1 FOOT OR LESS.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-181700-
OAK POINT TO SAXON HARBOR WI-
343 AM CST SUN JAN 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
MONDAY EVENING...
TODAY
SOUTHWEST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS LATE
IN THE AFTERNOON. CHANCE OF SNOW LATE IN THE MORNING. SNOW LIKELY
EARLY IN THE AFTERNOON, THEN SNOW LATE IN THE AFTERNOON. WAVES
1 TO 2 FEET.
TONIGHT
NORTHWEST WIND UP TO 30 KNOTS. GUSTS UP TO 35 KNOTS
AFTER MIDNIGHT. SNOW LIKELY IN THE EVENING, THEN CHANCE OF SNOW
AFTER MIDNIGHT. WAVES 2 TO 4 FEET BUILDING TO 5 TO 8 FEET IN THE
LATE EVENING AND OVERNIGHT. WAVES OCCASIONALLY TO 10 FEET. A GALE
WARNING MAY BE NEEDED.
MONDAY
NORTHWEST WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING WEST 15 TO 20 KNOTS WITH GUSTS TO AROUND
25 KNOTS LATE IN THE AFTERNOON. SLIGHT CHANCE OF SNOW IN THE
MORNING. WAVES 4 TO 7 FEET SUBSIDING TO 2 TO 4 FEET IN THE
AFTERNOON. WAVES OCCASIONALLY TO 9 FEET.
MONDAY NIGHT
WEST WIND 15 TO 20 KNOTS. GUSTS UP TO 25 KNOTS
DECREASING TO 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY
CLOUDY. 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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