130
FZUS53 KDLH 121728
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
1228 PM CDT THU MAR 12 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.
LSZ140-122200-
GRAND PORTAGE TO GRAND MARAIS MN-
1228 PM CDT THU MAR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
7 PM CDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH
FRIDAY MORNING...
REST OF TODAY
SOUTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS LATE. SLIGHT CHANCE OF SNOW LATE. WAVES 1 TO 2 FEET.
TONIGHT
EAST WIND UP TO 30 KNOTS WITH GALES TO AROUND 40 KNOTS
RISING TO GALES TO 35 KNOTS WITH GALES TO AROUND 45 KNOTS AFTER
MIDNIGHT, THEN BECOMING NORTHEAST UP TO 30 KNOTS WITH GALES TO
AROUND 45 KNOTS EARLY IN THE MORNING. FREEZING SPRAY AND BLOWING
SNOW. SNOW. WAVES 4 TO 6 FEET BUILDING TO 9 TO 14 FEET. WAVES
OCCASIONALLY TO 18 FEET.
FRIDAY
NORTH WIND UP TO 30 KNOTS WITH GALES TO AROUND 35 KNOTS
EASING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS IN THE
AFTERNOON. FREEZING SPRAY THROUGH THE DAY. SNOW LIKELY IN THE
MORNING. CHANCE OF SNOW IN THE AFTERNOON. WAVES 8 TO 13 FEET
SUBSIDING TO 4 TO 7 FEET. WAVES OCCASIONALLY TO 17 FEET.
FRIDAY NIGHT
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY.
WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT. A
SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-122200-
GRAND MARAIS TO TACONITE HARBOR MN-
1228 PM CDT THU MAR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
7 PM CDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH
FRIDAY MORNING...
REST OF TODAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING EAST 15 TO
20 KNOTS LATE. CHANCE OF SNOW LATE. WAVES 1 TO 2 FEET.
TONIGHT
EAST WIND UP TO 30 KNOTS WITH GALES TO AROUND 35 KNOTS
RISING TO GALES TO 35 KNOTS WITH STORM FORCE GUSTS TO AROUND
50 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN BECOMING
NORTHEAST UP TO 30 KNOTS WITH GALES TO AROUND 45 KNOTS EARLY IN
THE MORNING. FREEZING SPRAY IN THE EVENING. BLOWING SNOW THROUGH
THE NIGHT. SNOW THROUGH THE NIGHT. WAVES 4 TO 6 FEET BUILDING TO
8 TO 13 FEET. WAVES OCCASIONALLY TO 17 FEET. A STORM WARNING MAY
BE NEEDED.
FRIDAY
NORTH WIND UP TO 30 KNOTS WITH GALES TO AROUND 35 KNOTS
EASING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS LATE IN
THE MORNING, THEN BECOMING NORTHWEST 10 TO 15 KNOTS WITH GUSTS TO
AROUND 25 KNOTS IN THE AFTERNOON. FREEZING SPRAY IN THE MORNING.
SNOW LIKELY IN THE MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON.
WAVES 7 TO 12 FEET SUBSIDING TO 4 TO 7 FEET. WAVES OCCASIONALLY
TO 16 FEET.
FRIDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. PARTLY
CLOUDY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET AFTER
MIDNIGHT. WAVES OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY
MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-122200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
1228 PM CDT THU MAR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
7 PM CDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH
FRIDAY MORNING...
REST OF TODAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING EAST 15 TO
20 KNOTS LATE. CHANCE OF SNOW LATE. WAVES 1 TO 2 FEET.
TONIGHT
EAST WIND UP TO 30 KNOTS WITH GALES TO AROUND 45 KNOTS
RISING TO GALES TO 35 KNOTS WITH STORM FORCE GUSTS TO AROUND
50 KNOTS AFTER MIDNIGHT, THEN BECOMING NORTHEAST UP TO 30 KNOTS
WITH GALES TO AROUND 45 KNOTS EARLY IN THE MORNING. BLOWING SNOW
IN THE EVENING. AREAS OF BLOWING SNOW AFTER MIDNIGHT. SNOW
THROUGH THE NIGHT. WAVES 4 TO 6 FEET BUILDING TO 7 TO 12 FEET.
WAVES OCCASIONALLY TO 16 FEET. A STORM WARNING MAY BE NEEDED.
FRIDAY
NORTH WIND 20 TO 25 KNOTS WITH GALES TO AROUND 35 KNOTS
BECOMING NORTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
IN THE AFTERNOON. SNOW LIKELY IN THE MORNING, THEN CHANCE OF SNOW
IN THE AFTERNOON. WAVES 7 TO 12 FEET SUBSIDING TO 4 TO 7 FEET.
WAVES OCCASIONALLY TO 15 FEET.
FRIDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. PARTLY
CLOUDY. WAVES 4 TO 6 FEET SUBSIDING TO 1 TO 2 FEET. WAVES
OCCASIONALLY TO 7 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-122200-
SILVER BAY HARBOR TO TWO HARBORS MN-
1228 PM CDT THU MAR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
10 PM CDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 10 PM CDT THIS EVENING THROUGH
FRIDAY MORNING...
REST OF TODAY
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING EAST 15 TO
20 KNOTS LATE. SLIGHT CHANCE OF SNOW LATE. WAVES 1 TO 3 FEET.
TONIGHT
EAST WIND UP TO 30 KNOTS WITH GALES TO AROUND 40 KNOTS
RISING TO GALES TO 35 KNOTS WITH GALES TO AROUND 45 KNOTS AFTER
MIDNIGHT, THEN BECOMING NORTHEAST UP TO 30 KNOTS WITH GALES TO
AROUND 40 KNOTS EARLY IN THE MORNING. BLOWING SNOW IN THE
EVENING. AREAS OF BLOWING SNOW AFTER MIDNIGHT. SNOW THROUGH THE
NIGHT. WAVES 3 TO 5 FEET BUILDING TO 8 TO 11 FEET. WAVES
OCCASIONALLY TO 15 FEET.
FRIDAY
NORTH WIND 20 TO 25 KNOTS WITH GALES TO AROUND 35 KNOTS
BECOMING NORTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
IN THE AFTERNOON. CHANCE OF SNOW. WAVES 8 TO 11 FEET SUBSIDING TO
5 TO 8 FEET IN THE AFTERNOON. WAVES OCCASIONALLY TO 15 FEET.
FRIDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. PARTLY
CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 4 TO
6 FEET SUBSIDING TO 1 TO 2 FEET. WAVES OCCASIONALLY TO 7 FEET. A
SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-122200-
TWO HARBORS TO DULUTH MN-
1228 PM CDT THU MAR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
10 PM CDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 10 PM CDT THIS EVENING THROUGH
FRIDAY MORNING...
REST OF TODAY
EAST WIND 5 TO 10 KNOTS RISING TO 15 TO 20 KNOTS
WITH GUSTS TO AROUND 25 KNOTS LATE. SLIGHT CHANCE OF SNOW EARLY
IN THE AFTERNOON, THEN CHANCE OF SNOW LATE. WAVES 1 TO 3 FEET.
TONIGHT
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. AREAS OF BLOWING SNOW IN THE EVENING. PATCHY
BLOWING SNOW AFTER MIDNIGHT. SNOW THROUGH THE NIGHT. SLIGHT
CHANCE OF RAIN AFTER MIDNIGHT. WAVES 7 TO 10 FEET. WAVES
OCCASIONALLY TO 12 FEET.
FRIDAY
NORTH WIND 20 TO 25 KNOTS WITH GALES TO AROUND 35 KNOTS
BECOMING NORTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
IN THE AFTERNOON. CHANCE OF SNOW THROUGH THE DAY. WAVES 6 TO
9 FEET SUBSIDING TO 4 TO 7 FEET IN THE AFTERNOON. WAVES
OCCASIONALLY TO 12 FEET.
FRIDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. PARTLY
CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 3 TO
5 FEET SUBSIDING TO 1 TO 3 FEET AFTER MIDNIGHT. A SMALL CRAFT
ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-122200-
DULUTH MN TO PORT WING WI-
1228 PM CDT THU MAR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH FRIDAY EVENING...
REST OF TODAY
EAST WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS
LATE. SLIGHT CHANCE OF SNOW EARLY IN THE AFTERNOON, THEN CHANCE
OF SNOW LATE. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHEAST WIND 20 TO 25 KNOTS BECOMING NORTH UP TO
30 KNOTS EARLY IN THE MORNING. SNOW AND SLIGHT CHANCE OF RAIN.
WAVES 3 TO 5 FEET BUILDING TO 7 TO 10 FEET. WAVES OCCASIONALLY TO
13 FEET.
FRIDAY
NORTH WIND UP TO 30 KNOTS WITH GALES TO AROUND 35 KNOTS
BECOMING NORTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND 25 KNOTS
IN THE AFTERNOON. CHANCE OF SNOW THROUGH THE DAY. WAVES 7 TO
10 FEET SUBSIDING TO 4 TO 7 FEET IN THE AFTERNOON. WAVES
OCCASIONALLY TO 14 FEET. A GALE WARNING MAY BE NEEDED.
FRIDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST 5 KNOTS EARLY IN THE MORNING.
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES
2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ146-122200-
PORT WING TO SAND ISLAND WI-
1228 PM CDT THU MAR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH FRIDAY EVENING...
REST OF TODAY
SOUTH WIND 5 TO 10 KNOTS BECOMING EAST 15 TO
20 KNOTS LATE. SLIGHT CHANCE OF SNOW LATE. WAVES 1 TO 2 FEET.
TONIGHT
EAST WIND UP TO 30 KNOTS WITH GALES TO AROUND 35 KNOTS
BECOMING NORTHEAST WITH GALES TO AROUND 35 KNOTS EARLY IN THE
MORNING. SNOW THROUGH THE NIGHT. SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. WAVES 4 TO 7 FEET BUILDING TO 7 TO 10 FEET EARLY IN THE
MORNING. WAVES OCCASIONALLY TO 13 FEET. A GALE WARNING MAY BE
NEEDED.
FRIDAY
NORTH WIND UP TO 30 KNOTS WITH GALES TO AROUND 40 KNOTS
BECOMING NORTHWEST 5 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS.
SNOW LIKELY IN THE MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON.
WAVES 8 TO 11 FEET SUBSIDING TO 5 TO 8 FEET IN THE AFTERNOON.
WAVES OCCASIONALLY TO 15 FEET. A GALE WARNING MAY BE NEEDED.
FRIDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. PARTLY
CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 3 TO
5 FEET SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT. WAVES
OCCASIONALLY TO 7 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-122200-
SAND ISLAND TO BAYFIELD WI-
1228 PM CDT THU MAR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH FRIDAY EVENING...
REST OF TODAY
SOUTH WIND 5 TO 10 KNOTS BECOMING EAST 15 TO
20 KNOTS LATE. CHANCE OF SNOW LATE. WAVES 1 TO 2 FEET.
TONIGHT
EAST WIND UP TO 30 KNOTS WITH GALES TO AROUND 40 KNOTS
BECOMING NORTHEAST WITH GALES TO AROUND 40 KNOTS EARLY IN THE
MORNING. SNOW. WAVES 4 TO 6 FEET BUILDING TO 6 TO 9 FEET EARLY IN
THE MORNING. WAVES OCCASIONALLY TO 12 FEET. A GALE WARNING MAY BE
NEEDED.
FRIDAY
NORTH WIND UP TO 30 KNOTS WITH GALES TO AROUND 40 KNOTS
BECOMING NORTHWEST 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
IN THE AFTERNOON. FREEZING SPRAY IN THE MORNING. SNOW LIKELY
THROUGH THE DAY. WAVES 8 TO 11 FEET SUBSIDING TO 6 TO 9 FEET IN
THE AFTERNOON. WAVES OCCASIONALLY TO 14 FEET. A GALE WARNING MAY
BE NEEDED.
FRIDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS EASING TO 5 KNOTS EARLY IN THE MORNING. PARTLY
CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 3 TO
5 FEET SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT. WAVES
OCCASIONALLY TO 7 FEET.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-122200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
1228 PM CDT THU MAR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING...
REST OF TODAY
SOUTH WIND 5 TO 10 KNOTS BECOMING EAST 15 TO
20 KNOTS WITH GUSTS TO AROUND 25 KNOTS LATE. CHANCE OF SNOW LATE.
WAVES 1 TO 2 FEET.
TONIGHT
SOUTHEAST WIND UP TO 30 KNOTS WITH GALES TO AROUND
40 KNOTS BECOMING EAST GALES TO 35 KNOTS WITH GALES TO AROUND
45 KNOTS AFTER MIDNIGHT, THEN BECOMING NORTHEAST WITH GALES TO
AROUND 45 KNOTS EARLY IN THE MORNING. BLOWING SNOW IN THE
EVENING. AREAS OF BLOWING SNOW AFTER MIDNIGHT. SNOW THROUGH THE
NIGHT. WAVES 2 TO 4 FEET BUILDING TO 7 TO 12 FEET. WAVES
OCCASIONALLY TO 15 FEET.
FRIDAY
NORTHEAST GALES TO 35 KNOTS WITH GALES TO AROUND
40 KNOTS BECOMING NORTH UP TO 30 KNOTS WITH GALES TO AROUND
40 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING
NORTHWEST 15 TO 20 KNOTS LATE IN THE AFTERNOON. FREEZING SPRAY IN
THE MORNING. SNOW LIKELY THROUGH THE DAY. WAVES 8 TO 13 FEET
SUBSIDING TO 7 TO 10 FEET LATE IN THE AFTERNOON. WAVES
OCCASIONALLY TO 17 FEET.
FRIDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS EASING TO 5 KNOTS
EARLY IN THE MORNING. PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. WAVES 4 TO 7 FEET SUBSIDING TO 1 TO 2 FEET. WAVES
OCCASIONALLY TO 9 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-122200-
OAK POINT TO SAXON HARBOR WI-
1228 PM CDT THU MAR 12 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH FRIDAY EVENING...
REST OF TODAY
SOUTHEAST WIND 10 TO 15 KNOTS. GUSTS UP TO
20 KNOTS LATE. CHANCE OF SNOW LATE. WAVES 1 TO 2 FEET.
TONIGHT
SOUTHEAST WIND 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS BECOMING NORTH WITH GALES TO AROUND 35 KNOTS EARLY IN
THE MORNING. SNOW LIKELY IN THE EVENING, THEN SNOW AND SLIGHT
CHANCE OF RAIN AFTER MIDNIGHT. WAVES 4 TO 7 FEET. WAVES
OCCASIONALLY TO 9 FEET. A GALE WARNING MAY BE NEEDED.
FRIDAY
NORTH WIND UP TO 30 KNOTS WITH GALES TO AROUND 40 KNOTS
BECOMING NORTHWEST 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS
IN THE AFTERNOON. SNOW LIKELY. WAVES 7 TO 10 FEET SUBSIDING TO
5 TO 8 FEET LATE IN THE AFTERNOON. WAVES OCCASIONALLY TO 14 FEET.
A GALE WARNING MAY BE NEEDED.
FRIDAY NIGHT
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO
AROUND 20 KNOTS BECOMING WEST 5 KNOTS EARLY IN THE MORNING.
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES
4 TO 6 FEET SUBSIDING TO 1 TO 2 FEET. WAVES OCCASIONALLY TO
8 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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