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fzus53 kdlh 121903
nshdlh
expires:202512122300;;464167

nearshore marine forecast
national weather service duluth mn
103 pm cst fri dec 12 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.


lsz148-122300-
oak point to saxon harbor wi-
103 pm cst fri dec 12 2025

...small craft advisory in effect through late saturday night...

.rest of today...west wind 20 to 25 knots. gusts up to 25 knots
increasing to 30 knots late. snow likely early in the afternoon,
then chance of snow late. waves 2 to 4 feet. 
.tonight...west wind 20 to 25 knots. gusts up to 30 knots early
in the evening. slight chance of snow through the night. waves
3 to 5 feet. 
.saturday...northwest wind 20 to 25 knots. slight chance of snow
in the morning, then chance of snow in the afternoon. waves 2 to
4 feet. 
.saturday night...northwest wind 15 to 20 knots. gusts up to
25 knots decreasing to 20 knots after midnight. chance of snow in
the evening, then slight chance of snow after midnight. waves
2 to 4 feet subsiding to 1 to 3 feet early in the morning. 

$$
fzus53 kdlh 121903
nshdlh
expires:202512122300;;464163

nearshore marine forecast
national weather service duluth mn
103 pm cst fri dec 12 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.


lsz146-122300-
port wing to sand island wi-
103 pm cst fri dec 12 2025

...small craft advisory in effect through late saturday night...
...heavy freezing spray warning in effect from 6 pm cst this
evening through late tonight...

.rest of today...west wind 20 to 25 knots. gusts up to 30 knots
late. chance of snow early in the afternoon, then slight chance
of snow late. waves 3 to 5 feet. 
.tonight...northwest wind 20 to 25 knots. gusts up to 30 knots in
the evening. slight chance of snow after midnight. waves 3 to
5 feet. 
.saturday...northwest wind 20 to 25 knots. slight chance of snow.
waves 2 to 4 feet. 
.saturday night...northwest wind 15 to 20 knots with gusts to
around 30 knots easing to 10 knots with gusts to around 20 knots
early in the morning. slight chance of snow. waves 2 to 4 feet
subsiding to 1 to 2 feet early in the morning. 

$$
fzus53 kdlh 121903
nshdlh
expires:202512122300;;464164

nearshore marine forecast
national weather service duluth mn
103 pm cst fri dec 12 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.


lsz147-122300-
sand island to bayfield wi-
103 pm cst fri dec 12 2025

...small craft advisory in effect through late saturday night...
...heavy freezing spray warning in effect from 6 pm cst this
evening through late tonight...

.rest of today...west wind 20 to 25 knots. gusts up to 30 knots
late. chance of snow early in the afternoon, then slight chance
of snow late. waves 3 to 5 feet. 
.tonight...northwest wind 20 to 25 knots. gusts up to 30 knots
early in the evening. heavy freezing spray in the evening. slight
chance of snow through the night. waves 3 to 5 feet. waves
occasionally to 7 feet. 
.saturday...northwest wind 20 to 25 knots. slight chance of snow
in the morning, then chance of snow in the afternoon. waves 2 to
4 feet. 
.saturday night...northwest wind 15 to 20 knots with gusts to
around 30 knots easing to 5 to 10 knots with gusts to around
20 knots early in the morning. slight chance of snow. waves 2 to
4 feet subsiding to 1 to 3 feet early in the morning. 

$$
fzus53 kdlh 121903
nshdlh
expires:202512122300;;464166

nearshore marine forecast
national weather service duluth mn
103 pm cst fri dec 12 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.


lsz121-122300-
chequamegon bay-bayfield to oak point wi-
103 pm cst fri dec 12 2025

...small craft advisory in effect through late saturday night...

.rest of today...west wind 15 to 20 knots. gusts up to 25 knots
increasing to 30 knots late. snow likely early in the afternoon,
then chance of snow late. waves 1 to 2 feet. 
.tonight...west wind 15 to 20 knots. gusts up to 30 knots
decreasing to 25 knots in the late evening and overnight. slight
chance of snow. waves 1 to 2 feet. 
.saturday...west wind 5 to 15 knots becoming northwest 15 to
20 knots in the late morning and afternoon. gusts up to 25 knots.
slight chance of snow in the morning, then chance of snow in the
afternoon. waves 1 foot or less. 
.saturday night...northwest wind 15 to 20 knots with gusts to
around 25 knots easing to 5 to 10 knots early in the morning.
chance of snow in the evening, then slight chance of snow after
midnight. waves 1 foot or less. 

$$
fzus53 kdlh 121903
nshdlh
expires:202512122300;;464157

nearshore marine forecast
national weather service duluth mn
103 pm cst fri dec 12 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.


lsz140-122300-
grand portage to grand marais mn-
103 pm cst fri dec 12 2025

...small craft advisory in effect until 6 pm cst this evening...
...gale warning in effect from 6 pm cst this evening through
saturday morning...

.rest of today...west wind 20 to 25 knots. gusts up to 25 knots
increasing to 30 knots late. chance of snow early in the
afternoon, then slight chance of snow late. waves 1 to 2 feet
building to 1 to 3 feet late. 
.tonight...northwest wind 20 to 25 knots with gusts to around
30 knots. mostly cloudy. waves 1 to 3 feet. a small craft
advisory may be needed. 
.saturday...northwest wind 15 to 20 knots. gusts up to 30 knots
decreasing to 25 knots in the late morning and early afternoon,
then increasing to 30 knots late in the afternoon. slight chance
of snow in the morning. waves 1 to 3 feet. 
.saturday night...northwest wind 20 to 25 knots. gusts up to
35 knots decreasing to 30 knots early in the morning. partly
cloudy. waves 1 to 3 feet. a gale warning may be needed. 

$$
fzus53 kdlh 121903
nshdlh
expires:202512122300;;464158

nearshore marine forecast
national weather service duluth mn
103 pm cst fri dec 12 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.


lsz141-122300-
grand marais to taconite harbor mn-
103 pm cst fri dec 12 2025

...small craft advisory in effect until 6 pm cst this evening...
...gale warning in effect from 6 pm cst this evening through
saturday morning...

.rest of today...northwest wind 20 to 25 knots. gusts up to
25 knots increasing to 30 knots late. chance of snow early in the
afternoon, then slight chance of snow late. waves 1 to 2 feet
building to 1 to 3 feet late. 
.tonight...northwest wind 20 to 25 knots. gales up to 40 knots
decreasing to 30 knots. partly cloudy in the evening then
becoming mostly cloudy. waves 1 to 3 feet. 
.saturday...northwest wind 15 to 20 knots. gusts up to 30 knots
decreasing to 25 knots early in the afternoon, then increasing to
30 knots late in the afternoon. slight chance of snow in the
morning. waves 1 to 2 feet. 
.saturday night...northwest wind 15 to 20 knots. gusts up to
30 knots decreasing to 25 knots early in the morning. partly
cloudy. waves 1 to 2 feet. 

$$
fzus53 kdlh 121903
nshdlh
expires:202512122300;;464159

nearshore marine forecast
national weather service duluth mn
103 pm cst fri dec 12 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.


lsz142-122300-
taconite harbor to silver bay harbor mn-
103 pm cst fri dec 12 2025

...small craft advisory in effect until 6 pm cst this evening...
...gale warning in effect from 6 pm cst this evening through
saturday morning...

.rest of today...northwest wind 15 to 20 knots. gusts up to
25 knots increasing to 30 knots late. chance of snow early in the
afternoon, then slight chance of snow late. waves 1 to 2 feet. 
.tonight...northwest wind 15 to 20 knots. gusts up to 35 knots
decreasing to 25 knots. partly cloudy. waves 1 to 3 feet. 
.saturday...northwest wind 15 to 20 knots. gusts up to 25 knots
increasing to 30 knots late in the morning, then decreasing to
25 knots in the afternoon. slight chance of snow. waves 1 to
2 feet. 
.saturday night...northwest wind 10 to 15 knots. gusts up to
30 knots decreasing to 25 knots early in the morning. partly
cloudy. waves 1 to 2 feet. 

$$
fzus53 kdlh 121903
nshdlh
expires:202512122300;;464160

nearshore marine forecast
national weather service duluth mn
103 pm cst fri dec 12 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.


lsz143-122300-
silver bay harbor to two harbors mn-
103 pm cst fri dec 12 2025

...small craft advisory in effect until 6 pm cst this evening...
...gale warning in effect from 6 pm cst this evening through
saturday morning...

.rest of today...west wind 15 to 20 knots. gusts up to 25 knots
increasing to 30 knots late. chance of snow early in the
afternoon. waves 1 to 3 feet. 
.tonight...northwest wind 20 to 25 knots. gusts up to 30 knots
decreasing to 25 knots after midnight. mostly cloudy. waves 1 to
3 feet. a small craft advisory may be needed. 
.saturday...northwest wind 15 to 20 knots with gusts to around
25 knots. slight chance of snow in the afternoon. waves 1 to
2 feet. 
.saturday night...northwest wind 10 to 15 knots. gusts up to
25 knots decreasing to 20 knots early in the morning. partly
cloudy. waves 1 to 2 feet. 

$$
fzus53 kdlh 121903
nshdlh
expires:202512122300;;464161

nearshore marine forecast
national weather service duluth mn
103 pm cst fri dec 12 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.


lsz144-122300-
two harbors to duluth mn-
103 pm cst fri dec 12 2025

...small craft advisory in effect through late saturday night...

.rest of today...west wind 20 to 25 knots. gusts up to 25 knots
increasing to 30 knots late. chance of snow early in the
afternoon. waves 1 to 3 feet. 
.tonight...west wind 20 to 25 knots. gusts up to 30 knots
decreasing to 25 knots after midnight. mostly cloudy. waves 1 to
3 feet. 
.saturday...northwest wind 15 to 20 knots. gusts up to 25 knots
early in the morning then 25 knots in the afternoon. mostly
sunny. waves 1 to 3 feet. 
.saturday night...northwest wind 15 to 20 knots. gusts up to
25 knots decreasing to 20 knots after midnight. partly cloudy.
waves 1 to 3 feet. 

$$
fzus53 kdlh 121903
nshdlh
expires:202512122300;;464162

nearshore marine forecast
national weather service duluth mn
103 pm cst fri dec 12 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.


lsz145-122300-
duluth mn to port wing wi-
103 pm cst fri dec 12 2025

...small craft advisory in effect through late saturday night...

.rest of today...west wind 20 to 25 knots. gusts up to 25 knots
increasing to 30 knots late. chance of snow early in the
afternoon. waves 3 to 5 feet. 
.tonight...northwest wind 20 to 25 knots. gusts up to 30 knots
early in the evening. mostly cloudy. waves 3 to 5 feet. 
.saturday...northwest wind 15 to 20 knots with gusts to around
25 knots. slight chance of snow. waves 2 to 4 feet. 
.saturday night...northwest wind 15 to 20 knots. gusts up to
30 knots decreasing to 20 knots. slight chance of snow in the
evening. waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight. 

$$
fzus53 kmqt 121601
nshmqt
expires:202512122100;;456139

nearshore marine forecast
national weather service marquette mi
1100 am est fri dec 12 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.


lsz242-243-122100-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
1100 am est fri dec 12 2025

...small craft advisory in effect until 7 pm est this evening...
...gale warning in effect from 7 pm est this evening through late
tonight...
...heavy freezing spray warning in effect from 7 pm est this
evening through sunday morning...

.rest of today...southwest wind 15 to 25 knots veering west up to
30 knots late. snow showers. freezing spray late. waves 2 to
4 feet building to 5 to 8 feet occasionally to 10 feet. 
.tonight...northwest wind up to 30 knots with gale force gusts up
to 37 knots. numerous snow showers. heavy freezing spray. waves
building to 7 to 10 feet occasionally to 13 feet, then subsiding
to 6 to 9 feet occasionally to 11 feet. 
.saturday...northwest wind 20 to 25 knots with gusts up to
32 knots. snow showers. heavy freezing spray. waves subsiding to
3 to 6 feet occasionally to 8 feet, then building to 4 to 7 feet
occasionally to 9 feet. 
.saturday night...northwest wind 15 to 25 knots. cloudy. numerous
snow showers in the evening, then scattered snow showers after
midnight. freezing spray through the night. waves subsiding to
3 to 6 feet occasionally to 8 feet. 

note: wave height forecasts are for ice free areas.

$$
fzus53 kmqt 121601
nshmqt
expires:202512122100;;456138

nearshore marine forecast
national weather service marquette mi
1100 am est fri dec 12 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.


lsz240-241-122100-
saxon harbor wi to black river mi-
black river to ontonagon mi-
1100 am est fri dec 12 2025 /1000 am cst fri dec 12 2025/

...small craft advisory in effect through sunday morning...
...heavy freezing spray warning in effect from 7 pm est /6 pm
cst/ this evening through sunday morning...

.rest of today...west wind 15 to 25 knots becoming 20 to 25 knots
late. gale force gusts up to 34 knots. snow showers. freezing
spray late. waves 2 to 4 feet building to 5 to 8 feet
occasionally to 10 feet. 
.tonight...northwest wind up to 30 knots. a chance of snow
showers through late evening, then numerous snow showers by
midnight. heavy freezing spray through the night. waves building
to 6 to 9 feet occasionally to 11 feet, then subsiding to 5 to
8 feet occasionally to 10 feet. 
.saturday...northwest wind 20 to 25 knots with gusts up to
32 knots. snow showers. heavy freezing spray. waves subsiding to
4 to 7 feet occasionally to 9 feet. 
.saturday night...northwest wind 15 to 25 knots. cloudy. numerous
snow showers in the evening, then scattered snow showers after
midnight. freezing spray through the night. waves subsiding to
3 to 5 feet occasionally to 7 feet. 

note: wave height forecasts are for ice free areas.

$$
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