fzus53 kdlh 171723
nshdlh
expires:202512172300;;747762

nearshore marine forecast
national weather service duluth mn
1122 am cst wed dec 17 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.


lsz148-172300-
oak point to saxon harbor wi-
1122 am cst wed dec 17 2025

...small craft advisory in effect from 4 pm this afternoon to
8 pm cst this evening...
...gale warning in effect from 8 pm cst this evening through late
tonight...
...gale warning in effect from thursday afternoon through
thursday evening...

.rest of today...southwest wind 10 to 15 knots with gusts to
around 25 knots. mostly sunny late in the morning then becoming
mostly cloudy. waves 1 to 2 feet. 
.tonight...south wind up to 30 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
drizzle, light freezing drizzle and slight chance of snow in the
evening, then chance of rain after midnight. waves 3 to 5 feet. 
.thursday...southwest wind 10 to 15 knots with gusts to around
25 knots becoming northwest 15 to 20 knots with gusts to around
30 knots early in the afternoon, then rising to up to 30 knots
with gales to around 35 knots late in the afternoon. chance of
rain and snow in the morning, then snow likely in the afternoon.
waves 1 to 2 feet building to 4 to 6 feet. waves occasionally to
8 feet. 
.thursday night...north wind up to 30 knots with gales to around
40 knots becoming northwest 15 to 20 knots with gusts to around
25 knots early in the morning. heavy freezing spray through the
night. snow likely in the evening. chance of snow after midnight.
waves 6 to 9 feet. waves occasionally to 12 feet. 

$$

fzus53 kdlh 171723
nshdlh
expires:202512172300;;747756

nearshore marine forecast
national weather service duluth mn
1122 am cst wed dec 17 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.


lsz144-172300-
two harbors to duluth mn-
1122 am cst wed dec 17 2025

...small craft advisory in effect from 4 pm cst this afternoon
through thursday afternoon...
...gale warning in effect from thursday afternoon through late
thursday night...

.rest of today...southwest wind 10 to 15 knots. gusts up to
25 knots. mostly sunny late in the morning then becoming mostly
cloudy. waves 1 to 2 feet. 
.tonight...southwest wind 20 to 25 knots. gusts up to 30 knots
decreasing to 25 knots early in the morning. rain likely with
possible snow and freezing rain in the evening, then rain and
snow after midnight. waves 1 to 3 feet building to 3 to 5 feet in
the late evening and overnight. waves occasionally to 7 feet. 
.thursday...southwest wind 10 to 15 knots with gusts to around
20 knots becoming northwest 15 to 20 knots with gusts to around
30 knots early in the afternoon, then rising to up to 30 knots
with gales to around 35 knots late in the afternoon. chance of
drizzle and snow in the morning, then snow likely in the
afternoon. waves 1 to 3 feet building to 3 to 5 feet late in the
afternoon. waves occasionally to 7 feet. 
.thursday night...north wind up to 30 knots with gales to around
35 knots becoming northwest 15 to 20 knots with gusts to around
25 knots after midnight. chance of snow in the evening. waves
3 to 5 feet subsiding to 1 to 2 feet. waves occasionally to
7 feet. 

$$

fzus53 kdlh 171723
nshdlh
expires:202512172300;;747757

nearshore marine forecast
national weather service duluth mn
1122 am cst wed dec 17 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.


lsz145-172300-
duluth mn to port wing wi-
1122 am cst wed dec 17 2025

...small craft advisory in effect from 4 pm cst this afternoon
through thursday afternoon...
...gale warning in effect from thursday afternoon through
thursday evening...

.rest of today...southwest wind 10 to 15 knots. gusts up to
25 knots. mostly sunny late in the morning then becoming mostly
cloudy. waves 1 to 2 feet. 
.tonight...south 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. rain likely,
slight chance of light freezing rain and snow in the evening,
then chance of rain after midnight. waves 1 to 3 feet building to
3 to 5 feet in the late evening and overnight. a gale warning may
be needed. 
.thursday...southwest wind 15 to 20 knots becoming northwest up
to 30 knots with gales to around 35 knots in the afternoon.
chance of drizzle and light freezing drizzle in the morning.
chance of snow through the day. freezing spray in the afternoon.
waves 2 to 4 feet building to 4 to 7 feet late in the afternoon.
waves occasionally to 9 feet. 
.thursday night...north wind up to 30 knots with gales to around
40 knots becoming northwest 10 to 15 knots with gusts to around
25 knots early in the morning. heavy freezing spray in the
evening. chance of snow in the evening, then slight chance of
snow after midnight. waves 4 to 7 feet subsiding to 3 to 5 feet
after midnight. waves occasionally to 9 feet. 

$$

fzus53 kdlh 171723
nshdlh
expires:202512172300;;747758

nearshore marine forecast
national weather service duluth mn
1122 am cst wed dec 17 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.


lsz146-172300-
port wing to sand island wi-
1122 am cst wed dec 17 2025

...small craft advisory in effect from 4 pm cst this afternoon
through thursday afternoon...
...gale warning in effect from thursday afternoon through
thursday evening...

.rest of today...southwest wind 10 to 15 knots with gusts to
around 20 knots. mostly sunny late in the morning then becoming
mostly cloudy. waves 1 to 2 feet. 
.tonight...south wind 10 to 15 knots with gusts to around
25 knots becoming southwest 20 to 25 knots with gales to around
35 knots in the late evening and overnight. snow likely in the
evening. rain likely through the night. waves 1 to 2 feet
building to 3 to 5 feet in the late evening and overnight. a gale
warning may be needed. 
.thursday...southwest wind 15 to 20 knots with gusts to around
25 knots becoming northwest up to 30 knots with gales to around
35 knots in the afternoon. chance of rain, drizzle and snow in
the morning, then snow in the afternoon. freezing spray in the
afternoon. waves 3 to 5 feet building to 4 to 7 feet late in the
afternoon. waves occasionally to 9 feet. 
.thursday night...north wind 20 to 25 knots with gales to around
40 knots becoming northwest 10 to 15 knots with gusts to around
25 knots early in the morning. heavy freezing spray in the
evening. snow likely in the evening, then slight chance of snow
after midnight. waves 5 to 8 feet subsiding to 2 to 4 feet early
in the morning. waves occasionally to 10 feet. 

$$

fzus53 kdlh 171723
nshdlh
expires:202512172300;;747759

nearshore marine forecast
national weather service duluth mn
1122 am cst wed dec 17 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.


lsz147-172300-
sand island to bayfield wi-
1122 am cst wed dec 17 2025

...small craft advisory in effect from 4 pm cst this afternoon
through thursday afternoon...
...gale warning in effect from thursday afternoon through
thursday evening...

.rest of today...southwest wind 5 to 10 knots becoming south
10 to 15 knots late. gusts up to 20 knots. mostly sunny late in
the morning then becoming mostly cloudy. waves 1 to 2 feet. 
.tonight...south 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 rain,
light freezing drizzle and slight chance of snow in the evening,
then rain likely after midnight. waves 1 to 3 feet. a gale
warning may be needed. 
.thursday...southwest wind 15 to 20 knots with gusts to around
25 knots becoming northwest 20 to 25 knots with gales to around
35 knots in the afternoon. chance of rain and snow in the
morning, then snow likely in the afternoon. waves 1 to 3 feet
building to 4 to 7 feet. waves occasionally to 9 feet. 
.thursday night...north wind 20 to 25 knots. gusts up to 35 knots
increasing to 40 knots late in the evening, then decreasing to
35 knots after midnight decreasing to 25 knots early in the
morning. heavy freezing spray in the evening. snow likely in the
evening, then chance of snow after midnight. waves 5 to 8 feet
subsiding to 3 to 5 feet early in the morning. waves occasionally
to 10 feet. 

$$

fzus53 kdlh 171723
nshdlh
expires:202512172300;;747761

nearshore marine forecast
national weather service duluth mn
1122 am cst wed dec 17 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.


lsz121-172300-
chequamegon bay-bayfield to oak point wi-
1122 am cst wed dec 17 2025

...small craft advisory in effect from 4 pm cst this afternoon
through late thursday night...

.rest of today...south wind 5 to 10 knots. gusts up to 20 knots
in the afternoon. mostly sunny late in the morning then becoming
mostly cloudy. waves 1 foot or less. 
.tonight...south 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
drizzle, light freezing drizzle and slight chance of snow in the
evening, then rain and snow likely after midnight. waves 1 to
3 feet. a gale warning may be needed. 
.thursday...southwest wind 10 to 15 knots with gusts to around
20 knots becoming northwest 20 to 25 knots with gusts to around
30 knots in the afternoon. chance of rain, drizzle and snow in
the morning, then snow in the afternoon. waves 1 to 2 feet. 
.thursday 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 early in the morning. snow likely in the evening, then
chance of snow after midnight. waves 1 to 2 feet. a gale warning
may be needed. 

$$

fzus53 kdlh 171723
nshdlh
expires:202512172300;;747752

nearshore marine forecast
national weather service duluth mn
1122 am cst wed dec 17 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.


lsz140-172300-
grand portage to grand marais mn-
1122 am cst wed dec 17 2025

...small craft advisory in effect from 8 pm cst this evening
through thursday afternoon...
...gale warning in effect from thursday afternoon through late
thursday night...

.rest of today...west wind 10 to 15 knots becoming southwest
15 to 20 knots late. slight chance of snow late. waves 1 to
3 feet building to 2 to 4 feet late. 
.tonight...south wind 20 to 25 knots. gusts up to 25 knots
increasing to 30 knots in the late evening and early morning,
then decreasing to 25 knots early in the morning. snow likely in
the evening. slight chance of rain through the night. snow after
midnight. waves 5 to 8 feet. waves occasionally to 10 feet. 
.thursday...southwest wind 10 to 15 knots with gusts to around
25 knots becoming northwest 15 to 20 knots with gusts to around
25 knots late in the morning, then becoming north up to 30 knots
with gales to around 40 knots in the afternoon. rain in the
morning. snow through the day. waves 4 to 7 feet. waves
occasionally to 9 feet. 
.thursday night...north wind up to 30 knots. gales up to 40 knots
increasing to 45 knots in the late evening and early morning,
then decreasing to 40 knots early in the morning. heavy freezing
spray in the evening. chance of snow in the evening. waves 4 to
7 feet subsiding to 3 to 5 feet early in the morning. waves
occasionally to 9 feet. 

$$

fzus53 kdlh 171723
nshdlh
expires:202512172300;;747753

nearshore marine forecast
national weather service duluth mn
1122 am cst wed dec 17 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.


lsz141-172300-
grand marais to taconite harbor mn-
1122 am cst wed dec 17 2025

...small craft advisory in effect from 8 pm cst this evening
through thursday afternoon...
...gale warning in effect from thursday afternoon through late
thursday night...

.rest of today...southwest wind 10 to 15 knots with gusts to
around 20 knots becoming south with gusts to around 20 knots
late. slight chance of snow late. waves 1 to 2 feet. 
.tonight...south wind 15 to 20 knots. gusts up to 20 knots
increasing to 25 knots in the late evening and early morning.
snow likely and slight chance of rain in the evening, then snow
with rain likely after midnight. waves 4 to 6 feet. waves
occasionally to 7 feet. 
.thursday...southwest wind 10 to 15 knots with gusts to around
20 knots becoming northwest with gusts to around 20 knots late in
the morning, then becoming north 20 to 25 knots with gales to
around 40 knots in the afternoon. rain in the morning. snow
through the day. waves 3 to 5 feet. 
.thursday night...north wind 20 to 25 knots with gales to around
40 knots easing to 10 to 15 knots with gusts to around 25 knots
early in the morning. snow likely in the evening. waves 2 to
4 feet subsiding to 1 to 3 feet after midnight. 

$$

fzus53 kdlh 171723
nshdlh
expires:202512172300;;747754

nearshore marine forecast
national weather service duluth mn
1122 am cst wed dec 17 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.


lsz142-172300-
taconite harbor to silver bay harbor mn-
1122 am cst wed dec 17 2025

...small craft advisory in effect from 8 pm cst this evening
through thursday afternoon...
...gale warning in effect from thursday afternoon through late
thursday night...

.rest of today...southwest wind 10 to 15 knots with gusts to
around 20 knots becoming south with gusts to around 20 knots
late. slight chance of snow late. waves 1 to 2 feet. 
.tonight...south wind 15 to 20 knots with gusts to around
25 knots becoming southwest 10 to 15 knots with gusts to around
20 knots early in the morning. snow likely in the evening. rain
likely through the night. snow after midnight. waves 1 to 2 feet
building to 3 to 5 feet in the late evening and overnight. 
.thursday...west wind 10 to 15 knots with gusts to around
20 knots becoming northwest 20 to 25 knots with gales to around
40 knots in the late morning and afternoon. rain and snow likely
in the morning, then snow in the afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and early afternoon,
then building to 2 to 4 feet late in the afternoon. 
.thursday night...north wind 20 to 25 knots with gales to around
40 knots easing to 10 to 15 knots with gusts to around 25 knots
early in the morning. chance of snow in the evening. waves 2 to
4 feet subsiding to 1 to 3 feet after midnight. 

$$

fzus53 kdlh 171723
nshdlh
expires:202512172300;;747755

nearshore marine forecast
national weather service duluth mn
1122 am cst wed dec 17 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.


lsz143-172300-
silver bay harbor to two harbors mn-
1122 am cst wed dec 17 2025

...small craft advisory in effect from 4 pm cst this afternoon
through thursday afternoon...
...gale warning in effect from thursday afternoon through late
thursday night...

.rest of today...southwest wind 10 to 15 knots with gusts to
around 20 knots. mostly sunny late in the morning then becoming
mostly cloudy. waves 1 to 2 feet. 
.tonight...southwest wind 15 to 20 knots. gusts up to 25 knots
increasing to 30 knots in the late evening and early morning,
then decreasing to 25 knots early in the morning. snow and rain
likely in the evening, then rain and snow after midnight. waves
1 to 3 feet building to 3 to 5 feet in the late evening and
overnight. waves occasionally to 7 feet. 
.thursday...west wind 10 to 15 knots with gusts to around
20 knots becoming northwest 20 to 25 knots with gales to around
35 knots in the afternoon. chance of rain, snow, drizzle and
light freezing drizzle likely in the morning, then snow likely in
the afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet early
in the afternoon, then building to 2 to 4 feet late in the
afternoon. 
.thursday night...north wind 20 to 25 knots with gales to around
35 knots easing to 10 to 15 knots with gusts to around 30 knots
after midnight. chance of snow in the evening. waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight. 

$$

fzus53 kmqt 171600
nshmqt
expires:202512172100;;744046

nearshore marine forecast
national weather service marquette mi
1100 am est wed dec 17 2025

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.


lsz240-241-172100-
saxon harbor wi to black river mi-
black river to ontonagon mi-
1100 am est wed dec 17 2025 /1000 am cst wed dec 17 2025/

...gale warning in effect from 10 pm est /9 pm cst/ this evening
through late tonight...

.rest of today...southwest wind 10 to 15 knots backing south
late. gusts up to 25 knots. partly cloudy by late morning then
becoming cloudy. waves 2 to 3 feet subsiding to 1 to 2 feet. 
.tonight...south wind 15 to 25 knots increasing to up to 30 knots
by midnight, then veering southwest 15 to 25 knots late. gale
force gusts up to 38 knots. cloudy. a slight chance of drizzle
and snow showers through late evening, then a chance of drizzle
by midnight. waves building to 3 to 6 feet occasionally to
8 feet, then subsiding to 3 to 5 feet occasionally to 7 feet. 
.thursday...southwest wind 15 to 20 knots veering northwest up to
30 knots in the afternoon. cloudy. a chance of rain showers,
drizzle and snow showers in the morning, then snow showers
possibly mixed with rain showers in the afternoon. waves
subsiding to 2 to 3 feet, then building to 7 to 10 feet
occasionally to 13 feet. 
.thursday night...north wind up to 30 knots with gale force gusts
up to 37 knots. cloudy. snow showers in the evening, then a
chance of snow showers after midnight. freezing spray through the
night. waves building to 10 to 14 feet occasionally to 18 feet,
then subsiding to 7 to 10 feet occasionally to 13 feet. 

note: wave height forecasts are for ice free areas.

$$

fzus53 kmqt 171600
nshmqt
expires:202512172100;;744048

nearshore marine forecast
national weather service marquette mi
1100 am est wed dec 17 2025

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.


lsz242-172100-
ontonagon to upper entrance of portage canal mi-
1100 am est wed dec 17 2025

...gale warning in effect from thursday afternoon through friday
morning...

.rest of today...southwest wind 10 to 15 knots backing south
late. gusts up to 22 knots. mostly cloudy. waves 2 to 4 feet
subsiding to 1 to 2 feet. 
.tonight...south wind 15 to 25 knots becoming 15 to 20 knots
late. gale force gusts up to 34 knots. cloudy. a chance of rain
showers, drizzle, freezing drizzle and snow showers through the
night. waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to 2 to 4 feet. 
.thursday...southwest wind 10 to 20 knots becoming northwest up
to 30 knots with gale force gusts up to 37 knots in the
afternoon. rain showers likely in the morning, then snow showers
possibly mixed with rain showers in the afternoon. waves
subsiding to 2 to 3 feet, then building to 8 to 11 feet
occasionally to 14 feet. 
.thursday night...north wind up to 30 knots with gale force gusts
up to 43 knots. snow showers. freezing spray. waves building to
11 to 15 feet occasionally to 19 feet, then subsiding to 9 to
12 feet occasionally to 15 feet. 

note: wave height forecasts are for ice free areas.

$$

fzus53 kmqt 171001
nshmqt
expires:202512172100;;731746

nearshore marine forecast
national weather service marquette mi
501 am est wed dec 17 2025

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.


lsz241-172100-
black river to ontonagon mi-
501 am est wed dec 17 2025 /401 am cst wed dec 17 2025/

...small craft advisory in effect until 10 am est /9 am cst/ this
morning...
...gale warning in effect from this evening through late
tonight...

.early this morning...northwest wind 20 to 25 knots. cloudy.
waves 5 to 8 feet occasionally to 10 feet subsiding to 4 to
7 feet occasionally to 9 feet. 
.today...west wind 10 to 20 knots backing south 10 to 15 knots
late. cloudy then becoming partly cloudy by late morning then
becoming cloudy. waves subsiding to 1 to 2 feet. 
.tonight...south wind up to 30 knots veering southwest 15 to
25 knots late. gale force gusts up to 37 knots. cloudy. a slight
chance of drizzle and snow showers through late evening, then a
chance of drizzle by midnight. waves building to 3 to 6 feet
occasionally to 8 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet. 
.thursday...southwest wind 10 to 20 knots becoming northwest up
to 30 knots in the afternoon. cloudy. a chance of rain showers
and drizzle in the morning, then snow showers possibly mixed with
rain showers in the afternoon. waves subsiding to 2 to 3 feet,
then building to 7 to 10 feet occasionally to 13 feet. 
.thursday night...north wind up to 30 knots with gale force gusts
up to 37 knots. cloudy. snow showers in the evening, then a
chance of snow showers after midnight. freezing spray through the
night. waves building to 10 to 14 feet occasionally to 18 feet,
then subsiding to 7 to 10 feet occasionally to 13 feet. 

note: wave height forecasts are for ice free areas.

$$

fzus53 kmqt 171001
nshmqt
expires:202512172100;;731745

nearshore marine forecast
national weather service marquette mi
501 am est wed dec 17 2025

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.


lsz240-172100-
saxon harbor wi to black river mi-
501 am est wed dec 17 2025 /401 am cst wed dec 17 2025/

...small craft advisory in effect until 7 am est /6 am cst/ this
morning...
...gale warning in effect from this evening through late
tonight...

.early this morning...northwest wind 15 to 20 knots. cloudy.
waves 3 to 5 feet occasionally to 7 feet subsiding to 2 to
4 feet. 
.today...west wind 10 to 15 knots backing south 10 to 20 knots
late. mostly cloudy. waves subsiding to 1 to 2 feet. 
.tonight...south wind up to 30 knots with gale force gusts up to
38 knots. cloudy. a slight chance of drizzle through late
evening, then a chance of drizzle by midnight. waves building to
3 to 6 feet occasionally to 8 feet, then subsiding to 2 to
3 feet. 
.thursday...southwest wind 15 to 20 knots veering northwest up to
30 knots in the afternoon. cloudy. a chance of drizzle possibly
mixed with rain showers and snow showers in the morning, then
snow showers in the afternoon. waves subsiding to 1 to 2 feet,
then building to 5 to 8 feet occasionally to 10 feet. 
.thursday night...north wind up to 30 knots diminishing to 15 to
25 knots after midnight. gale force gusts up to 37 knots. cloudy.
snow showers in the evening, then a chance of snow showers after
midnight. freezing spray through the night. waves building to
8 to 11 feet occasionally to 14 feet, then subsiding to 5 to
8 feet occasionally to 10 feet. 

note: wave height forecasts are for ice free areas.

$$