fzus53 kdlh 172127
nshdlh
expires:202512180500;;760442

nearshore marine forecast
national weather service duluth mn
327 pm 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.


lsz121-180500-
chequamegon bay-bayfield to oak point wi-
327 pm cst wed dec 17 2025

...small craft advisory in effect through thursday afternoon...
...gale warning in effect from thursday afternoon through late
thursday night...

.tonight...south wind 20 to 25 knots. gusts up to 30 knots
increasing to 35 knots in the late evening and overnight. chance
of drizzle, slight chance of light freezing drizzle and snow in
the evening, then rain likely after midnight. waves 1 to 2 feet. 
.thursday...southwest wind 15 to 20 knots with gusts to around
30 knots becoming northwest 20 to 25 knots with gales to around
35 knots late in the afternoon. chance of rain in the morning,
then snow likely in the afternoon. waves 1 to 2 feet. 
.thursday night...northwest 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. snow in the evening, then chance
of snow after midnight. waves 1 to 3 feet subsiding to 1 to
2 feet after midnight. 
.friday...northwest wind 5 to 10 knots becoming south with gusts
to around 20 knots late in the afternoon. chance of snow in the
afternoon. waves 1 foot or less. 

$$

fzus53 kdlh 172127
nshdlh
expires:202512180500;;760433

nearshore marine forecast
national weather service duluth mn
327 pm 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.


lsz140-180500-
grand portage to grand marais mn-
327 pm 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...

.tonight...south wind 20 to 25 knots. gusts up to 30 knots
increasing to 35 knots in the late evening and overnight. chance
of snow and light freezing rain in the evening, then snow and
rain likely after midnight. waves 4 to 7 feet. waves occasionally
to 9 feet. 
.thursday...southwest wind 15 to 20 knots with gusts to around
30 knots becoming northwest with gusts to around 30 knots late in
the morning, then becoming north 20 to 25 knots with gales to
around 40 knots early in the afternoon rising to gales to
35 knots with gales to around 45 knots late in the afternoon.
rain and slight chance of snow in the morning, then snow, rain
and light freezing rain likely in the afternoon. waves 4 to
7 feet. waves occasionally to 9 feet. 
.thursday night...north gales to 35 knots with storm force gusts
to around 50 knots easing to up to 30 knots with storm force
gusts to around 50 knots after midnight. heavy freezing spray in
the evening. snow likely in the evening, then slight chance of
snow after midnight. waves 5 to 8 feet. waves occasionally to
10 feet. a storm warning may be needed. 
.friday...north wind 20 to 25 knots with gusts to around 30 knots
easing to 10 to 15 knots with gusts to around 20 knots in the
late morning and early afternoon, then becoming southeast with
gusts to around 25 knots late in the afternoon. chance of snow in
the afternoon. waves 2 to 4 feet subsiding to 1 to 2 feet in the
late morning and afternoon. a small craft advisory may be needed.

$$

fzus53 kdlh 172127
nshdlh
expires:202512180500;;760434

nearshore marine forecast
national weather service duluth mn
327 pm 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.


lsz141-180500-
grand marais to taconite harbor mn-
327 pm 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...

.tonight...south wind 15 to 20 knots with gales to around
35 knots becoming southwest 10 to 15 knots with gusts to around
30 knots late in the night. chance of snow in the evening, then
rain and snow likely 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
30 knots becoming west with gusts to around 25 knots late in the
morning, then becoming northwest 15 to 20 knots with gales to
around 35 knots early in the afternoon becoming north up to
30 knots with gales to around 45 knots late in the afternoon.
rain likely in the morning, then snow likely, chance of rain and
light freezing rain likely in the afternoon. waves 3 to 5 feet. 
.thursday night...north gales to 35 knots with storm force gusts
to around 50 knots easing to 15 to 20 knots with gales to around
40 knots. chance of snow in the evening. waves 3 to 5 feet
subsiding to 1 to 3 feet early in the morning. waves occasionally
to 7 feet. a storm warning may be needed. 
.friday...north wind 10 to 15 knots with gusts to around 20 knots
easing to 5 knots late in the morning, then becoming northeast
early in the afternoon becoming southeast with gusts to around
25 knots late in the afternoon. chance of snow in the afternoon.
waves 1 foot or less. 

$$

fzus53 kdlh 172127
nshdlh
expires:202512180500;;760435

nearshore marine forecast
national weather service duluth mn
327 pm 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.


lsz142-180500-
taconite harbor to silver bay harbor mn-
327 pm 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...

.tonight...south wind 15 to 20 knots with gusts to around
30 knots becoming southwest 10 to 15 knots with gusts to around
30 knots late in the night. chance of snow in the evening, then
rain with snow likely after midnight. waves 1 to 3 feet building
to 2 to 4 feet after midnight. 
.thursday...southwest wind 10 to 15 knots with gusts to around
30 knots becoming northwest 15 to 20 knots with gusts to around
30 knots early in the afternoon, then becoming north up to
30 knots with gales to around 45 knots late in the afternoon.
chance of rain through the day. snow likely in the afternoon.
waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning
and early afternoon, then building to 3 to 5 feet late in the
afternoon. 
.thursday night...north wind up to 30 knots with storm force
gusts to around 50 knots becoming northwest 10 to 15 knots with
gales to around 40 knots early in the morning. chance of snow in
the evening. waves 3 to 5 feet subsiding to 1 to 2 feet early in
the morning. waves occasionally to 7 feet. a storm warning may be
needed. 
.friday...northwest wind 5 to 10 knots with gusts to around
20 knots becoming west early in the afternoon, then becoming
south with gusts to around 25 knots late in the afternoon. chance
of snow in the afternoon. waves 1 foot or less. 

$$

fzus53 kdlh 172127
nshdlh
expires:202512180500;;760436

nearshore marine forecast
national weather service duluth mn
327 pm 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.


lsz143-180500-
silver bay harbor to two harbors mn-
327 pm cst wed dec 17 2025

...small craft advisory in effect through thursday afternoon...
...gale warning in effect from thursday afternoon through late
thursday night...

.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. rain likely and
slight chance of light freezing rain in the evening. slight
chance of snow through the night. rain after midnight. waves 1 to
2 feet building to 3 to 5 feet in the late evening and overnight.
waves occasionally to 7 feet. 
.thursday...southwest wind 15 to 20 knots with gusts to around
30 knots becoming west 20 to 25 knots with gales to around
35 knots early in the afternoon, then becoming northwest up to
30 knots with gales to around 40 knots late in the afternoon.
chance of rain and snow in the morning, then snow likely in the
afternoon. waves 3 to 5 feet. waves occasionally to 7 feet. 
.thursday night...north gales to 35 knots with gales to around
45 knots becoming northwest 10 to 15 knots with gusts to around
30 knots. chance of snow in the evening. waves 4 to 6 feet
subsiding to 1 to 2 feet. waves occasionally to 7 feet. 
.friday...northwest wind 5 to 10 knots with gusts to around
20 knots becoming south with gusts to around 20 knots in the
afternoon. chance of snow in the afternoon. waves 1 foot or less.

$$

fzus53 kdlh 172127
nshdlh
expires:202512180500;;760437

nearshore marine forecast
national weather service duluth mn
327 pm 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.


lsz144-180500-
two harbors to duluth mn-
327 pm cst wed dec 17 2025

...small craft advisory in effect through thursday afternoon...
...gale warning in effect from thursday afternoon through late
thursday night...

.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 late in the night. chance of rain,
light freezing rain and slight chance of snow in the evening,
then rain after midnight. waves 3 to 5 feet. waves occasionally
to 7 feet. 
.thursday...southwest wind 15 to 20 knots with gusts to around
30 knots becoming west 20 to 25 knots with gales to around
35 knots early in the afternoon, then becoming northwest gales to
35 knots with gales to around 45 knots late in the afternoon.
chance of rain and snow in the morning, then snow likely in the
afternoon. waves 2 to 4 feet building to 4 to 6 feet late in the
afternoon. waves occasionally to 8 feet. 
.thursday night...northwest gales to 35 knots with gales to
around 40 knots easing to 15 to 20 knots with gusts to around
25 knots. heavy freezing spray in the evening. chance of snow in
the evening. waves 4 to 7 feet subsiding to 1 to 3 feet. waves
occasionally to 9 feet. 
.friday...northwest wind 5 to 10 knots becoming west late in the
morning, then becoming south 10 to 15 knots with gusts to around
25 knots in the afternoon. chance of snow in the afternoon. waves
1 to 2 feet. 

$$

fzus53 kdlh 172127
nshdlh
expires:202512180500;;760438

nearshore marine forecast
national weather service duluth mn
327 pm 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.


lsz145-180500-
duluth mn to port wing wi-
327 pm cst wed dec 17 2025

...small craft advisory in effect through thursday afternoon...
...gale warning in effect from thursday afternoon through late
thursday night...

.tonight...south wind up to 30 knots with gales to around
35 knots. chance of rain, freezing rain and slight chance of snow
in the evening, then rain and light freezing rain after midnight.
waves 3 to 5 feet. 
.thursday...southwest wind 15 to 20 knots with gusts to around
30 knots becoming west 20 to 25 knots with gales to around
35 knots early in the afternoon, then becoming northwest up to
30 knots with gales to around 45 knots late in the afternoon.
chance of rain, light freezing rain and snow in the morning, then
snow likely in the afternoon. 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...northwest gales to 35 knots with gales to
around 45 knots easing to 15 to 20 knots with gusts to around
30 knots. chance of snow in the evening. heavy freezing spray
through the night. waves 6 to 9 feet subsiding to 2 to 4 feet.
waves occasionally to 12 feet. 
.friday...northwest wind 5 to 10 knots becoming south 10 to
15 knots with gusts to around 20 knots in the afternoon. chance
of snow in the afternoon. waves 1 to 2 feet. 

$$

fzus53 kdlh 172127
nshdlh
expires:202512180500;;760439

nearshore marine forecast
national weather service duluth mn
327 pm 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.


lsz146-180500-
port wing to sand island wi-
327 pm cst wed dec 17 2025

...small craft advisory in effect through thursday afternoon...
...gale warning in effect from thursday afternoon through late
thursday night...

.tonight...south wind 20 to 25 knots with gales to around
35 knots. chance of rain, slight chance of light freezing rain
and snow in the evening, then rain after midnight. waves 1 to
2 feet building to 2 to 4 feet in the late evening and overnight.
.thursday...southwest wind 15 to 20 knots with gusts to around
30 knots becoming west 20 to 25 knots with gales to around
35 knots early in the afternoon, then becoming northwest up to
30 knots with gales to around 40 knots late in the afternoon.
chance of rain in the morning. chance of snow through the day.
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 gales to 35 knots with storm force gusts
to around 50 knots becoming northwest 15 to 20 knots with gusts
to around 30 knots. heavy freezing spray through the night. snow
likely in the evening. slight chance of snow after midnight.
waves 6 to 9 feet subsiding to 4 to 6 feet after midnight. waves
occasionally to 11 feet. a storm warning may be needed. 
.friday...northwest wind 5 to 10 knots with gusts to around
20 knots becoming southwest early in the afternoon, then becoming
south late in the afternoon. chance of snow in the afternoon.
waves 1 to 3 feet subsiding to 1 to 2 feet in the late morning
and afternoon. 

$$

fzus53 kdlh 172127
nshdlh
expires:202512180500;;760440

nearshore marine forecast
national weather service duluth mn
327 pm 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.


lsz147-180500-
sand island to bayfield wi-
327 pm cst wed dec 17 2025

...small craft advisory in effect through thursday afternoon...
...gale warning in effect from thursday afternoon through late
thursday night...

.tonight...south wind 15 to 20 knots. gusts up to 30 knots
increasing to 35 knots in the late evening and early morning,
then decreasing to 30 knots late in the night. chance of rain
with possible drizzle, freezing rain, freezing drizzle and snow
in the evening, then rain likely after midnight. waves 1 to
3 feet. 
.thursday...southwest wind 15 to 20 knots with gusts to around
30 knots becoming northwest 20 to 25 knots with gales to around
40 knots late in the afternoon. chance of rain in the morning,
then snow likely and slight chance of rain in the afternoon.
waves 1 to 2 feet building to 4 to 7 feet. waves occasionally to
9 feet. 
.thursday night...north wind up to 30 knots with gales to around
45 knots becoming northwest 15 to 20 knots with gusts to around
30 knots early in the morning. heavy freezing spray through the
night. snow in the evening. chance of snow, light freezing rain
and light freezing drizzle after midnight. waves 5 to 8 feet
subsiding to 3 to 5 feet early in the morning. waves occasionally
to 10 feet. 
.friday...northwest wind 5 to 10 knots with gusts to around
20 knots becoming west early in the afternoon, then becoming
south with gusts to around 20 knots late in the afternoon. chance
of snow in the afternoon. waves 1 to 3 feet subsiding to 1 to
2 feet in the late morning and afternoon. 

$$

fzus53 kdlh 172127
nshdlh
expires:202512180500;;760443

nearshore marine forecast
national weather service duluth mn
327 pm 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.


lsz148-180500-
oak point to saxon harbor wi-
327 pm cst wed dec 17 2025

...small craft advisory in effect until 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 late
thursday night...

.tonight...south wind 20 to 25 knots with gales to around
40 knots. slight chance of drizzle, light freezing drizzle and
snow in the evening, then rain likely after midnight. waves 3 to
5 feet. 
.thursday...southwest wind 15 to 20 knots with gales to around
35 knots becoming west with gales to around 35 knots early in the
afternoon, then becoming northwest up to 30 knots with gales to
around 40 knots late in the afternoon. chance of rain in the
morning, then snow likely and slight chance of rain in the
afternoon. waves 1 to 3 feet building to 4 to 6 feet late in the
afternoon. waves occasionally to 8 feet. 
.thursday night...northwest wind up to 30 knots. gales up to
40 knots decreasing to 30 knots early in the morning. heavy
freezing spray through the night. snow in the evening. chance of
snow after midnight. waves 6 to 9 feet. waves occasionally to
12 feet. 
.friday...northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 knots early in the afternoon, then
becoming south with gusts to around 20 knots late in the
afternoon. chance of snow in the afternoon. waves 3 to 5 feet
subsiding to 1 to 3 feet in the afternoon. waves occasionally to
7 feet. a small craft advisory may be needed. 

$$

fzus53 kmqt 172201
nshmqt
expires:202512180900;;761527

nearshore marine forecast
national weather service marquette mi
501 pm 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.


lsz240-241-180900-
saxon harbor wi to black river mi-
black river to ontonagon mi-
501 pm est wed dec 17 2025 /401 pm cst wed dec 17 2025/

...gale warning in effect from 10 pm est /9 pm cst/ this evening
to 4 am est /3 am cst/ thursday...
...heavy freezing spray warning in effect from thursday evening
through friday morning...

.late this afternoon...south wind 10 to 15 knots. mostly cloudy.
waves 1 to 2 feet. 
.tonight...south wind 15 to 25 knots increasing to up to 30 knots
by midnight, then diminishing to 15 to 25 knots late. gale force
gusts up to 38 knots. cloudy. a chance of drizzle and a slight
chance of snow showers through late evening, then a slight chance
of drizzle by midnight. waves building to 3 to 6 feet
occasionally to 8 feet, then subsiding to 2 to 4 feet. 
.thursday...southwest wind 15 to 20 knots veering west with gale
force gusts up to 37 knots by late morning, then veering
northwest up to 30 knots with gale force gusts up to 37 knots
late. cloudy. a chance of rain showers and drizzle through early
afternoon, then snow showers possibly mixed with rain showers
late. 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 40 knots. cloudy with snow showers. freezing spray. waves
building to 9 to 12 feet occasionally to 15 feet, then subsiding
to 7 to 10 feet occasionally to 13 feet. 
.friday...northwest wind 10 to 20 knots with gusts up to 27 knots
backing south 5 to 15 knots in the afternoon. freezing spray in
the morning. cloudy with a slight chance of snow showers. waves
subsiding to 2 to 3 feet. 

note: wave height forecasts are for ice free areas.

$$

fzus53 kmqt 172201
nshmqt
expires:202512180900;;761528

nearshore marine forecast
national weather service marquette mi
501 pm 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.


lsz242-243-180900-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
501 pm est wed dec 17 2025

...gale warning in effect from thursday afternoon through friday
morning...
...heavy freezing spray warning in effect from thursday evening
through friday morning...

.late this afternoon...south wind 10 to 15 knots. mostly cloudy.
waves 2 to 3 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 snow
showers, drizzle and freezing drizzle through late evening, then
a chance of drizzle and rain showers by midnight. waves building
to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to
3 feet. 
.thursday...south wind 15 to 20 knots veering southwest with gale
force gusts up to 38 knots by late morning, then veering north up
to 30 knots with gale force gusts up to 38 knots late. a chance
of rain showers through mid morning, then rain showers likely by
late morning. snow showers late. waves building to 7 to 10 feet
occasionally to 13 feet. 
.thursday night...north wind up to 30 knots with gale force gusts
up to 44 knots. snow showers. freezing spray. waves building to
11 to 15 feet occasionally to 19 feet, then subsiding to 10 to
14 feet occasionally to 18 feet. 
.friday...north wind up to 30 knots with gale force gusts up to
37 knots becoming northeast less than 10 knots with gusts up to
18 knots in the afternoon. cloudy. freezing spray in the morning.
a chance of snow showers in the morning, then a slight chance of
snow showers in the afternoon. waves subsiding to 2 to 3 feet. 

note: wave height forecasts are for ice free areas.

$$