460
FZUS53 KDLH 151823
NSHDLH
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE DULUTH MN
122 PM CDT SUN MAR 15 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.
LSZ140-152200-
GRAND PORTAGE TO GRAND MARAIS MN-
122 PM CDT SUN MAR 15 2026
..GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH MONDAY
AFTERNOON...
...STORM WARNING IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH
MONDAY AFTERNOON...
REST OF TODAY
NORTHEAST WIND UP TO 30 KNOTS WITH GALES TO
AROUND 40 KNOTS. FREEZING SPRAY THROUGH THE DAY. SNOW LIKELY
EARLY IN THE AFTERNOON. CHANCE OF SNOW LATE. WAVES 5 TO 8 FEET.
WAVES OCCASIONALLY TO 11 FEET.
TONIGHT
NORTH GALES TO 35 KNOTS WITH STORM FORCE GUSTS TO
AROUND 50 KNOTS. SLIGHT CHANCE OF SNOW IN THE EVENING. HEAVY
FREEZING SPRAY THROUGH THE NIGHT. WAVES 6 TO 9 FEET. WAVES
OCCASIONALLY TO 11 FEET.
MONDAY
NORTH GALES TO 35 KNOTS WITH STORM FORCE GUSTS TO
AROUND 50 KNOTS EASING TO UP TO 30 KNOTS WITH GALES TO AROUND
45 KNOTS LATE IN THE AFTERNOON. HEAVY FREEZING SPRAY. WAVES 5 TO
8 FEET SUBSIDING TO 4 TO 6 FEET LATE IN THE AFTERNOON. WAVES
OCCASIONALLY TO 11 FEET.
MONDAY NIGHT
NORTH WIND UP TO 30 KNOTS WITH GALES TO AROUND
40 KNOTS EASING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 3 TO 5 FEET SUBSIDING
TO 1 TO 2 FEET. WAVES OCCASIONALLY TO 7 FEET. A GALE WARNING MAY
BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ141-152200-
GRAND MARAIS TO TACONITE HARBOR MN-
122 PM CDT SUN MAR 15 2026
..GALE WARNING IN EFFECT THROUGH LATE MONDAY NIGHT
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH MONDAY
AFTERNOON...
REST OF TODAY
NORTHEAST WIND UP TO 30 KNOTS WITH GALES TO
AROUND 35 KNOTS. FREEZING SPRAY. CHANCE OF SNOW. WAVES 5 TO
8 FEET. WAVES OCCASIONALLY TO 10 FEET.
TONIGHT
NORTH WIND UP TO 30 KNOTS. GALES UP TO 40 KNOTS
INCREASING TO 45 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY.
WAVES 4 TO 7 FEET. WAVES OCCASIONALLY TO 9 FEET.
MONDAY
NORTH WIND UP TO 30 KNOTS. STORM FORCE GUSTS UP TO
50 KNOTS DECREASING TO 35 KNOTS. HEAVY FREEZING SPRAY IN THE
MORNING. WAVES 4 TO 7 FEET SUBSIDING TO 3 TO 5 FEET LATE IN THE
AFTERNOON. WAVES OCCASIONALLY TO 9 FEET. A STORM WARNING MAY BE
NEEDED.
MONDAY NIGHT
NORTH WIND 20 TO 25 KNOTS WITH GALES TO AROUND
35 KNOTS BECOMING NORTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
25 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING AND OVERNIGHT.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ142-152200-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
122 PM CDT SUN MAR 15 2026
..GALE WARNING IN EFFECT THROUGH MONDAY AFTERNOON
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH MONDAY
AFTERNOON...
REST OF TODAY
NORTHEAST WIND UP TO 30 KNOTS. GUSTS UP TO
35 KNOTS LATE. SNOW LIKELY EARLY IN THE AFTERNOON, THEN CHANCE OF
SNOW LATE. WAVES 6 TO 9 FEET. WAVES OCCASIONALLY TO 12 FEET.
TONIGHT
NORTH WIND UP TO 30 KNOTS. GUSTS UP TO 35 KNOTS
INCREASING TO 45 KNOTS. SLIGHT CHANCE OF SNOW IN THE EVENING.
HEAVY FREEZING SPRAY THROUGH THE NIGHT. WAVES 5 TO 8 FEET. WAVES
OCCASIONALLY TO 11 FEET.
MONDAY
NORTH WIND UP TO 30 KNOTS. GALES UP TO 45 KNOTS
DECREASING TO 30 KNOTS. HEAVY FREEZING SPRAY IN THE MORNING.
WAVES 4 TO 7 FEET SUBSIDING TO 3 TO 5 FEET IN THE AFTERNOON.
WAVES OCCASIONALLY TO 9 FEET.
MONDAY NIGHT
NORTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING NORTHWEST 5 TO 10 KNOTS WITH GUSTS TO AROUND
20 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 TO 3 FEET
SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING AND OVERNIGHT.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ143-152200-
SILVER BAY HARBOR TO TWO HARBORS MN-
122 PM CDT SUN MAR 15 2026
..GALE WARNING IN EFFECT THROUGH MONDAY MORNING
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH MONDAY
MORNING...
REST OF TODAY
NORTHEAST WIND UP TO 30 KNOTS WITH GALES TO
AROUND 35 KNOTS. FREEZING SPRAY EARLY IN THE AFTERNOON. SNOW
EARLY IN THE AFTERNOON, THEN SNOW LIKELY LATE. WAVES 8 TO
11 FEET. WAVES OCCASIONALLY TO 14 FEET.
TONIGHT
NORTH WIND UP TO 30 KNOTS. GUSTS UP TO 35 KNOTS
INCREASING TO 40 KNOTS EARLY IN THE MORNING. CHANCE OF SNOW IN
THE EVENING. HEAVY FREEZING SPRAY THROUGH THE NIGHT. WAVES 6 TO
9 FEET. WAVES OCCASIONALLY TO 12 FEET.
MONDAY
NORTH WIND UP TO 30 KNOTS WITH GALES TO AROUND 40 KNOTS
EASING TO 15 TO 20 KNOTS WITH GUSTS TO AROUND 30 KNOTS LATE IN
THE AFTERNOON. HEAVY FREEZING SPRAY IN THE MORNING. WAVES 5 TO
8 FEET SUBSIDING TO 3 TO 5 FEET IN THE AFTERNOON. WAVES
OCCASIONALLY TO 10 FEET.
MONDAY NIGHT
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO
AROUND 25 KNOTS EASING TO 5 TO 10 KNOTS EARLY IN THE MORNING.
MOSTLY CLEAR. WAVES 1 TO 3 FEET SUBSIDING TO 1 TO 2 FEET IN THE
LATE EVENING AND OVERNIGHT.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ144-152200-
TWO HARBORS TO DULUTH MN-
122 PM CDT SUN MAR 15 2026
..GALE WARNING IN EFFECT THROUGH MONDAY MORNING
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH MONDAY
MORNING...
REST OF TODAY
NORTHEAST WIND UP TO 30 KNOTS WITH GALES TO
AROUND 35 KNOTS. SNOW EARLY IN THE AFTERNOON, THEN SNOW LIKELY
LATE. WAVES 8 TO 11 FEET. WAVES OCCASIONALLY TO 14 FEET.
TONIGHT
NORTH WIND UP TO 30 KNOTS. GUSTS UP TO 35 KNOTS
INCREASING TO 40 KNOTS EARLY IN THE MORNING. CHANCE OF SNOW IN
THE EVENING. HEAVY FREEZING SPRAY THROUGH THE NIGHT. WAVES 6 TO
9 FEET SUBSIDING TO 4 TO 7 FEET AFTER MIDNIGHT. WAVES
OCCASIONALLY TO 12 FEET.
MONDAY
NORTH WIND UP TO 30 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY IN
THE MORNING. WAVES 4 TO 7 FEET SUBSIDING TO 2 TO 4 FEET IN THE
AFTERNOON. WAVES OCCASIONALLY TO 9 FEET.
MONDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS EASING TO 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. MOSTLY
CLEAR. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE
EVENING AND OVERNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ145-152200-
DULUTH MN TO PORT WING WI-
122 PM CDT SUN MAR 15 2026
..GALE WARNING IN EFFECT THROUGH MONDAY MORNING
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH MONDAY
MORNING...
REST OF TODAY
NORTHEAST GALES TO 35 KNOTS WITH GALES TO AROUND
40 KNOTS. FREEZING SPRAY THROUGH THE DAY. SNOW EARLY IN THE
AFTERNOON. SNOW LIKELY LATE. WAVES 9 TO 14 FEET. WAVES
OCCASIONALLY TO 18 FEET.
TONIGHT
NORTH GALES TO 35 KNOTS. HEAVY FREEZING SPRAY THROUGH
THE NIGHT. CHANCE OF SNOW IN THE EVENING. SLIGHT CHANCE OF SNOW
AFTER MIDNIGHT. WAVES 8 TO 13 FEET. WAVES OCCASIONALLY TO
17 FEET.
MONDAY
NORTH WIND UP TO 30 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY.
WAVES 8 TO 11 FEET SUBSIDING TO 4 TO 7 FEET IN THE AFTERNOON.
WAVES OCCASIONALLY TO 14 FEET.
MONDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS EASING TO 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. 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.
LSZ146-152200-
PORT WING TO SAND ISLAND WI-
122 PM CDT SUN MAR 15 2026
..GALE WARNING IN EFFECT THROUGH MONDAY MORNING
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH MONDAY
MORNING...
REST OF TODAY
NORTHEAST GALES TO 35 KNOTS WITH GALES TO AROUND
40 KNOTS. FREEZING SPRAY THROUGH THE DAY. SNOW EARLY IN THE
AFTERNOON. SNOW LIKELY LATE. WAVES 9 TO 14 FEET. WAVES
OCCASIONALLY TO 18 FEET.
TONIGHT
NORTH WIND UP TO 30 KNOTS WITH GALES TO AROUND
35 KNOTS RISING TO GALES TO 35 KNOTS LATE IN THE EVENING, THEN
EASING TO UP TO 30 KNOTS WITH GALES TO AROUND 35 KNOTS AFTER
MIDNIGHT RISING TO GALES TO 35 KNOTS WITH GALES TO AROUND
40 KNOTS EARLY IN THE MORNING. HEAVY FREEZING SPRAY THROUGH THE
NIGHT. CHANCE OF SNOW IN THE EVENING. SLIGHT CHANCE OF SNOW AFTER
MIDNIGHT. WAVES 8 TO 13 FEET. WAVES OCCASIONALLY TO 17 FEET.
MONDAY
NORTH WIND UP TO 30 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY.
WAVES 7 TO 12 FEET SUBSIDING TO 6 TO 9 FEET IN THE AFTERNOON.
WAVES OCCASIONALLY TO 16 FEET.
MONDAY NIGHT
NORTHWEST WIND 20 TO 25 KNOTS EASING TO 10 TO
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT. HEAVY
FREEZING SPRAY IN THE EVENING. WAVES 4 TO 6 FEET SUBSIDING TO
1 TO 2 FEET. WAVES OCCASIONALLY TO 8 FEET. A SMALL CRAFT ADVISORY
MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ147-152200-
SAND ISLAND TO BAYFIELD WI-
122 PM CDT SUN MAR 15 2026
..GALE WARNING IN EFFECT THROUGH MONDAY AFTERNOON
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH MONDAY
AFTERNOON...
REST OF TODAY
NORTHEAST GALES TO 35 KNOTS WITH GALES TO AROUND
40 KNOTS. FREEZING SPRAY. SNOW. WAVES 8 TO 13 FEET. WAVES
OCCASIONALLY TO 17 FEET.
TONIGHT
NORTH WIND UP TO 30 KNOTS RISING TO GALES TO 35 KNOTS
EARLY IN THE MORNING. GALES UP TO 40 KNOTS. HEAVY FREEZING SPRAY
THROUGH THE NIGHT. CHANCE OF SNOW IN THE EVENING. SLIGHT CHANCE
OF SNOW AFTER MIDNIGHT. WAVES 8 TO 13 FEET. WAVES OCCASIONALLY TO
16 FEET.
MONDAY
NORTH WIND UP TO 30 KNOTS. GUSTS UP TO 35 KNOTS
DECREASING TO 30 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF SNOW IN
THE MORNING. HEAVY FREEZING SPRAY THROUGH THE DAY. WAVES 8 TO
13 FEET SUBSIDING TO 6 TO 9 FEET IN THE AFTERNOON. WAVES
OCCASIONALLY TO 16 FEET.
MONDAY NIGHT
NORTH WIND 15 TO 20 KNOTS. GUSTS UP TO 30 KNOTS
DECREASING TO 20 KNOTS. HEAVY FREEZING SPRAY IN THE EVENING.
WAVES 4 TO 7 FEET SUBSIDING TO 1 TO 3 FEET. WAVES OCCASIONALLY TO
9 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ150-152200-
OUTER APOSTLE ISLANDS BEYOND 5 NM FROM MAINLAND-
122 PM CDT SUN MAR 15 2026
..GALE WARNING IN EFFECT THROUGH MONDAY AFTERNOON
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH MONDAY
AFTERNOON...
REST OF TODAY
NORTHEAST GALES TO 35 KNOTS WITH GALES TO AROUND
40 KNOTS. FREEZING SPRAY THROUGH THE DAY. SNOW EARLY IN THE
AFTERNOON. SNOW LIKELY LATE. WAVES 8 TO 13 FEET BUILDING TO 11 TO
16 FEET LATE. WAVES OCCASIONALLY TO 20 FEET.
TONIGHT
NORTH GALES TO 35 KNOTS. GALES UP TO 45 KNOTS
DECREASING TO 40 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY
THROUGH THE NIGHT. CHANCE OF SNOW IN THE EVENING. SLIGHT CHANCE
OF SNOW AFTER MIDNIGHT. WAVES 13 TO 18 FEET. WAVES OCCASIONALLY
TO 24 FEET.
MONDAY
NORTH GALES TO 35 KNOTS WITH GALES TO AROUND 40 KNOTS
EASING TO UP TO 30 KNOTS WITH GALES TO AROUND 40 KNOTS IN THE
LATE MORNING AND AFTERNOON. SLIGHT CHANCE OF SNOW IN THE MORNING.
HEAVY FREEZING SPRAY THROUGH THE DAY. WAVES 12 TO 17 FEET
SUBSIDING TO 7 TO 10 FEET. WAVES OCCASIONALLY TO 22 FEET.
MONDAY NIGHT
NORTH WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS EASING TO 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS
EARLY IN THE MORNING. HEAVY FREEZING SPRAY IN THE EVENING. WAVES
6 TO 9 FEET SUBSIDING TO 4 TO 6 FEET AFTER MIDNIGHT. WAVES
OCCASIONALLY TO 11 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED.
NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.
LSZ148-152200-
OAK POINT TO SAXON HARBOR WI-
122 PM CDT SUN MAR 15 2026
..GALE WARNING IN EFFECT THROUGH MONDAY AFTERNOON
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH MONDAY
AFTERNOON...
REST OF TODAY
NORTHEAST GALES TO 35 KNOTS WITH GALES TO AROUND
40 KNOTS. FREEZING SPRAY. SNOW. WAVES 8 TO 13 FEET BUILDING TO
10 TO 15 FEET LATE. WAVES OCCASIONALLY TO 19 FEET.
TONIGHT
NORTH GALES TO 40 KNOTS. GALES UP TO 45 KNOTS
DECREASING TO 40 KNOTS EARLY IN THE MORNING. HEAVY FREEZING SPRAY
THROUGH THE NIGHT. SNOW LIKELY IN THE EVENING. CHANCE OF SNOW
AFTER MIDNIGHT. WAVES 13 TO 18 FEET. WAVES OCCASIONALLY TO
23 FEET.
MONDAY
NORTH GALES TO 35 KNOTS WITH GALES TO AROUND 40 KNOTS
EASING TO UP TO 30 KNOTS WITH GALES TO AROUND 40 KNOTS IN THE
LATE MORNING AND AFTERNOON. HEAVY FREEZING SPRAY THROUGH THE DAY.
CHANCE OF SNOW IN THE MORNING. SLIGHT CHANCE OF SNOW IN THE
AFTERNOON. WAVES 11 TO 16 FEET SUBSIDING TO 6 TO 9 FEET. WAVES
OCCASIONALLY TO 21 FEET.
MONDAY NIGHT
NORTH WIND 20 TO 25 KNOTS WITH GUSTS TO AROUND
30 KNOTS BECOMING NORTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND
20 KNOTS EARLY IN THE MORNING. HEAVY FREEZING SPRAY IN THE
EVENING. SLIGHT CHANCE OF SNOW THROUGH THE NIGHT. WAVES 5 TO
8 FEET SUBSIDING TO 4 TO 6 FEET AFTER MIDNIGHT. WAVES
OCCASIONALLY TO 10 FEET. A SMALL CRAFT ADVISORY 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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