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fzus53 kdlh 152121
nshdlh
expires:202603160400;;739436

nearshore marine forecast
national weather service duluth mn
421 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.


lsz148-160400-
oak point to saxon harbor wi-
421 pm cdt sun mar 15 2026

...gale warning in effect through monday afternoon...
...heavy freezing spray warning in effect through monday
afternoon...

.tonight...north gales to 40 knots. gales up to 45 knots
decreasing to 40 knots late in the night. heavy freezing spray
through the night. snow likely until early morning. chance of
snow late in the night. waves 12 to 17 feet. waves occasionally
to 22 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 7 to 10 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 6 to
9 feet subsiding to 4 to 7 feet after midnight. waves
occasionally to 12 feet. a small craft advisory may be needed. 
.tuesday...northwest wind 10 to 15 knots becoming west 5 knots
early in the afternoon, then becoming southwest late in the
afternoon. partly sunny. waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and afternoon. a small craft advisory
may be needed. 

note...wave height forecasts are for ice free areas.

$$
fzus53 kdlh 152121
nshdlh
expires:202603160400;;739433

nearshore marine forecast
national weather service duluth mn
421 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.


lsz146-160400-
port wing to sand island wi-
421 pm cdt sun mar 15 2026

...gale warning in effect through monday morning...
...heavy freezing spray warning in effect through monday
morning...

.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 late in the night. chance of snow in the evening. slight
chance of snow after midnight. heavy freezing spray through the
night. 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. heavy freezing spray.
waves 8 to 13 feet subsiding to 7 to 10 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 7 feet subsiding to
3 to 5 feet after midnight. waves occasionally to 9 feet. a small
craft advisory may be needed. 
.tuesday...northwest wind 5 to 10 knots becoming southwest in the
afternoon. partly sunny. waves 1 to 2 feet. 

note...wave height forecasts are for ice free areas.

$$
fzus53 kdlh 152121
nshdlh
expires:202603160400;;739434

nearshore marine forecast
national weather service duluth mn
421 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.


lsz147-160400-
sand island to bayfield wi-
421 pm cdt sun mar 15 2026

...gale warning in effect through monday afternoon...
...heavy freezing spray warning in effect through monday
afternoon...

.tonight...north wind up to 30 knots rising to gales to 35 knots
late in the night. 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
17 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 7 to 10 feet in the afternoon. waves
occasionally to 17 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 5 to 8 feet subsiding to 4 to 6 feet after midnight. waves
occasionally to 10 feet. a small craft advisory may be needed. 
.tuesday...northwest wind 5 to 10 knots becoming southwest late
in the afternoon. partly sunny. waves 1 to 3 feet. 

note...wave height forecasts are for ice free areas.

$$
fzus53 kdlh 152121
nshdlh
expires:202603160400;;739427

nearshore marine forecast
national weather service duluth mn
421 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.


lsz140-160400-
grand portage to grand marais mn-
421 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 through monday afternoon...

.tonight...north gales to 35 knots with storm force gusts to
around 50 knots. slight chance of snow early in the evening.
heavy freezing spray through the night. waves 5 to 8 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. waves occasionally to 10 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 early in the morning. waves occasionally to
7 feet. a gale warning may be needed. 
.tuesday...northwest wind 10 to 15 knots with gusts to around
20 knots becoming southwest late in the afternoon. mostly sunny.
waves 1 to 2 feet. 

note...wave height forecasts are for ice free areas.

$$
fzus53 kdlh 152121
nshdlh
expires:202603160400;;739428

nearshore marine forecast
national weather service duluth mn
421 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.


lsz141-160400-
grand marais to taconite harbor mn-
421 pm cdt sun mar 15 2026

...gale warning in effect through late monday night...
...heavy freezing spray warning in effect through monday
afternoon...

.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 6 feet subsiding to 2 to 4 feet late in the
afternoon. waves occasionally to 8 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. 
.tuesday...northwest wind 5 to 10 knots becoming southwest late
in the afternoon. sunny in the morning then becoming partly
sunny. waves 1 foot or less. 

note...wave height forecasts are for ice free areas.

$$
fzus53 kdlh 152121
nshdlh
expires:202603160400;;739429

nearshore marine forecast
national weather service duluth mn
421 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.


lsz142-160400-
taconite harbor to silver bay harbor mn-
421 pm cdt sun mar 15 2026

...gale warning in effect through monday afternoon...
...heavy freezing spray warning in effect through monday
afternoon...

.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. 
.tuesday...northwest wind 5 to 10 knots becoming southwest late
in the afternoon. mostly sunny. waves 1 foot or less. 

note...wave height forecasts are for ice free areas.

$$
fzus53 kdlh 152121
nshdlh
expires:202603160400;;739430

nearshore marine forecast
national weather service duluth mn
421 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.


lsz143-160400-
silver bay harbor to two harbors mn-
421 pm cdt sun mar 15 2026

...gale warning in effect through monday morning...
...heavy freezing spray warning in effect through monday
morning...

.tonight...north wind up to 30 knots. gusts up to 35 knots
increasing to 40 knots late in the night. chance of snow early in
the evening. slight chance of snow late in the evening. 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 4 to
7 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. 
.tuesday...northwest wind 5 to 10 knots becoming southwest late
in the afternoon. mostly sunny. waves 1 foot or less. 

note...wave height forecasts are for ice free areas.

$$
fzus53 kdlh 152121
nshdlh
expires:202603160400;;739431

nearshore marine forecast
national weather service duluth mn
421 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.


lsz144-160400-
two harbors to duluth mn-
421 pm cdt sun mar 15 2026

...gale warning in effect through monday morning...
...heavy freezing spray warning in effect through monday
morning...

.tonight...north wind up to 30 knots. gusts up to 35 knots
increasing to 40 knots late in the night. chance of snow early in
the evening. slight chance of snow late in the evening. 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 3 to 5 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. 
.tuesday...northwest wind 5 to 10 knots becoming south late in
the afternoon. mostly sunny. waves 1 foot or less. 

note...wave height forecasts are for ice free areas.

$$
fzus53 kdlh 152121
nshdlh
expires:202603160400;;739432

nearshore marine forecast
national weather service duluth mn
421 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.


lsz145-160400-
duluth mn to port wing wi-
421 pm cdt sun mar 15 2026

...gale warning in effect through monday morning...
...heavy freezing spray warning in effect through monday
morning...

.tonight...north gales to 35 knots. chance of snow early in the
evening. slight chance of snow in the late evening and early
morning. heavy freezing spray through the night. waves 7 to
12 feet. waves occasionally to 15 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 10 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 3 feet. waves
occasionally to 7 feet. a small craft advisory may be needed. 
.tuesday...northwest wind 5 to 10 knots becoming southwest late
in the afternoon. mostly sunny. waves 1 to 2 feet. 

note...wave height forecasts are for ice free areas.

$$
fzus53 kmqt 152101
nshmqt
expires:202603160800;;738048

nearshore marine forecast
national weather service marquette mi
501 pm edt sun mar 15 2026

for waters within five nautical miles of shore

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.


lsz242-160800-
ontonagon to upper entrance of portage canal mi-
501 pm edt sun mar 15 2026

...gale warning in effect until 8 pm edt this evening...
...heavy freezing spray warning in effect through tuesday
afternoon...
...storm warning in effect through monday afternoon...

.late this afternoon...northeast wind up to 30 knots with gale
force gusts up to 42 knots. snow. freezing spray. waves 7 to
10 feet occasionally to 13 feet building to 10 to 14 feet
occasionally to 18 feet. 
.tonight...northeast gales to 40 knots with storm force gusts up
to 48 knots. snow. heavy freezing spray. waves building to 17 to
22 feet occasionally to 28 feet. 
.monday...north gales to 35 knots with storm force gusts up to
48 knots. heavy freezing spray through the day. snow through mid
morning. snow likely by late morning, then a chance of snow late.
waves subsiding to 12 to 17 feet occasionally to 21 feet. 
.monday night...north wind up to 30 knots. gale force gusts up to
42 knots in the evening. mostly cloudy. a chance of snow showers
in the evening, then a slight chance of snow showers after
midnight. heavy freezing spray through the night. waves subsiding
to 5 to 8 feet occasionally to 10 feet. 
.tuesday...northwest wind 10 to 20 knots backing west less than
10 knots in the afternoon. mostly cloudy. heavy freezing spray in
the morning. waves subsiding to 1 to 2 feet. 

$$
fzus53 kmqt 152101
nshmqt
expires:202603160800;;738046

nearshore marine forecast
national weather service marquette mi
501 pm edt sun mar 15 2026

for waters within five nautical miles of shore

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.


lsz240-241-160800-
saxon harbor wi to black river mi-
black river to ontonagon mi-
501 pm edt sun mar 15 2026 /401 pm cdt sun mar 15 2026/

...gale warning in effect until 8 pm edt /7 pm cdt/ this
evening...
...heavy freezing spray warning in effect through tuesday
afternoon...
...storm warning in effect through monday afternoon...

.late this afternoon...northeast gales to 35 knots with gale
force gusts up to 44 knots. snow. waves 10 to 14 feet
occasionally to 18 feet building to 12 to 17 feet occasionally to
21 feet. 
.tonight...northeast gales to 35 knots with gale force gusts up
to 46 knots. snow. heavy freezing spray. waves building to 17 to
22 feet occasionally to 28 feet. 
.monday...north gales to 35 knots diminishing to up to 30 knots
by late morning. gale force gusts up to 45 knots. cloudy. heavy
freezing spray through the day. snow likely through mid morning.
a chance of snow by late morning, then a slight chance of snow
late. waves subsiding to 10 to 14 feet occasionally to 18 feet. 
.monday night...north wind up to 30 knots. mostly cloudy. a
slight chance of snow showers in the evening, then a chance of
snow showers after midnight. heavy freezing spray through the
night. waves subsiding to 4 to 7 feet occasionally to 9 feet. 
.tuesday...northwest wind 10 to 15 knots backing southwest less
than 10 knots in the afternoon. mostly cloudy. waves subsiding to
1 to 2 feet. 

$$
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