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fzus53 kdlh 201702
nshdlh
expires:202512202300;;923282

nearshore marine forecast
national weather service duluth mn
1102 am cst sat dec 20 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.


lsz143-202300-
silver bay harbor to two harbors mn-
1102 am cst sat dec 20 2025

...gale warning in effect until 10 pm cst this evening...

.rest of today...west wind 20 to 25 knots with gales to around
35 knots. partly sunny. waves 3 to 5 feet. waves occasionally to
7 feet. 
.tonight...west 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. mostly cloudy in the evening then becoming partly
cloudy. waves 2 to 4 feet subsiding to 1 to 3 feet in the late
evening and overnight. a small craft advisory may be needed. 
.sunday...west wind 5 to 10 knots becoming southwest late in the
afternoon. mostly sunny. waves 1 foot or less. 
.sunday night...southwest wind 5 to 10 knots becoming south with
gusts to around 20 knots early in the morning. slight chance of
snow after midnight. waves 1 foot or less. 

$$
fzus53 kdlh 201702
nshdlh
expires:202512202300;;923289

nearshore marine forecast
national weather service duluth mn
1102 am cst sat dec 20 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.


lsz148-202300-
oak point to saxon harbor wi-
1102 am cst sat dec 20 2025

...gale warning in effect until 10 pm cst this evening...
...heavy freezing spray warning in effect through late tonight...

.rest of today...west wind up to 30 knots. gusts up to 35 knots
increasing to 40 knots early in the afternoon, then decreasing to
35 knots late. heavy freezing spray in the afternoon. waves 4 to
7 feet. waves occasionally to 9 feet. 
.tonight...west wind up to 30 knots with gales to around 35 knots
easing to 15 to 20 knots with gusts to around 25 knots after
midnight. heavy freezing spray in the evening. waves 4 to 7 feet
subsiding to 2 to 4 feet after midnight. waves occasionally to
9 feet. 
.sunday...southwest wind 10 to 15 knots easing to 5 to 10 knots
in the late morning and afternoon. mostly sunny. waves 1 to
2 feet. 
.sunday night...southwest wind 5 to 10 knots. gusts up to
20 knots after midnight. slight chance of snow after midnight.
waves 1 foot or less. 

$$
fzus53 kdlh 201702
nshdlh
expires:202512202300;;923288

nearshore marine forecast
national weather service duluth mn
1102 am cst sat dec 20 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.


lsz121-202300-
chequamegon bay-bayfield to oak point wi-
1102 am cst sat dec 20 2025

...gale warning in effect until 10 pm cst this evening...

.rest of today...west wind 20 to 25 knots with gales to around
35 knots. mostly cloudy. waves 1 to 3 feet. 
.tonight...west wind 20 to 25 knots with gales to around 35 knots
easing to 10 to 15 knots with gusts to around 20 knots early in
the morning. mostly cloudy. waves 1 to 3 feet. 
.sunday...southwest wind 5 to 10 knots. mostly sunny. waves
1 foot or less. 
.sunday night...southwest wind 5 to 10 knots. slight chance of
snow after midnight. waves 1 foot or less. 

$$
fzus53 kdlh 201702
nshdlh
expires:202512202300;;923279

nearshore marine forecast
national weather service duluth mn
1102 am cst sat dec 20 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.


lsz140-202300-
grand portage to grand marais mn-
1102 am cst sat dec 20 2025

...gale warning in effect through late tonight...
...heavy freezing spray warning in effect until 10 pm cst this
evening...

.rest of today...west wind up to 30 knots. gusts up to 30 knots
increasing to 35 knots in the afternoon. freezing spray. waves
5 to 8 feet. waves occasionally to 10 feet. 
.tonight...northwest wind up to 30 knots with gales to around
45 knots easing to 15 to 20 knots with gusts to around 25 knots
early in the morning. heavy freezing spray in the evening. waves
4 to 6 feet subsiding to 1 to 3 feet early in the morning. waves
occasionally to 8 feet. 
.sunday...west wind 5 to 10 knots with gusts to around 20 knots
becoming west 5 to 10 knots in the afternoon. mostly sunny. waves
1 to 2 feet. 
.sunday night...southwest wind 10 to 15 knots. gusts up to
20 knots in the late evening and overnight. mostly cloudy. waves
1 to 2 feet. 

$$
fzus53 kdlh 201702
nshdlh
expires:202512202300;;923280

nearshore marine forecast
national weather service duluth mn
1102 am cst sat dec 20 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.


lsz141-202300-
grand marais to taconite harbor mn-
1102 am cst sat dec 20 2025

...gale warning in effect until 10 pm cst this evening...

.rest of today...west wind up to 30 knots. gusts up to 30 knots
increasing to 35 knots in the afternoon. chance of flurries in
the afternoon. waves 4 to 6 feet. waves occasionally to 8 feet. 
.tonight...northwest wind 20 to 25 knots with gales to around
35 knots easing to 10 to 15 knots with gusts to around 25 knots
early in the morning. mostly cloudy in the evening then becoming
partly cloudy. waves 3 to 5 feet subsiding to 1 to 2 feet. 
.sunday...northwest wind 5 to 10 knots with gusts to around
20 knots becoming southwest in the afternoon. mostly sunny. waves
1 foot or less. 
.sunday night...southwest wind 5 to 10 knots. partly cloudy.
waves 1 foot or less. 

$$
fzus53 kdlh 201702
nshdlh
expires:202512202300;;923281

nearshore marine forecast
national weather service duluth mn
1102 am cst sat dec 20 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.


lsz142-202300-
taconite harbor to silver bay harbor mn-
1102 am cst sat dec 20 2025

...gale warning in effect until 10 pm cst this evening...

.rest of today...west wind 20 to 25 knots with gales to around
35 knots. partly sunny. waves 2 to 4 feet. 
.tonight...northwest wind 20 to 25 knots with gales to around
35 knots easing to 10 to 15 knots with gusts to around 20 knots
early in the morning. mostly cloudy in the evening then becoming
partly cloudy. waves 1 to 3 feet subsiding to 1 to 2 feet in the
late evening and overnight. 
.sunday...west wind 5 to 10 knots becoming southwest in the
afternoon. mostly sunny. waves 1 foot or less. 
.sunday night...southwest wind 5 to 10 knots becoming south early
in the morning. partly cloudy. waves 1 foot or less. 

$$
fzus53 kdlh 201702
nshdlh
expires:202512202300;;923283

nearshore marine forecast
national weather service duluth mn
1102 am cst sat dec 20 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.


lsz144-202300-
two harbors to duluth mn-
1102 am cst sat dec 20 2025

...gale warning in effect until 10 pm cst this evening...

.rest of today...west wind 20 to 25 knots with gales to around
35 knots. heavy freezing spray early in the afternoon. waves 4 to
6 feet. waves occasionally to 7 feet. 
.tonight...west wind 20 to 25 knots with gusts to around 30 knots
easing to 10 to 15 knots with gusts to around 25 knots after
midnight. mostly cloudy in the evening then becoming partly
cloudy. waves 2 to 4 feet subsiding to 1 to 2 feet after
midnight. a small craft advisory may be needed. 
.sunday...southwest wind 5 to 10 knots. mostly sunny. waves
1 foot or less. 
.sunday night...southwest wind 5 to 10 knots becoming south early
in the morning. slight chance of snow after midnight. waves
1 foot or less. 

$$
fzus53 kdlh 201702
nshdlh
expires:202512202300;;923284

nearshore marine forecast
national weather service duluth mn
1102 am cst sat dec 20 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.


lsz145-202300-
duluth mn to port wing wi-
1102 am cst sat dec 20 2025

...gale warning in effect until 10 pm cst this evening...
...heavy freezing spray warning in effect through late tonight...

.rest of today...west wind up to 30 knots. gusts up to 35 knots
increasing to 40 knots early in the afternoon, then decreasing to
35 knots late. heavy freezing spray. waves 5 to 8 feet. waves
occasionally to 11 feet. 
.tonight...west wind up to 30 knots with gales to around 35 knots
easing to 15 to 20 knots after midnight. heavy freezing spray in
the evening. waves 4 to 7 feet subsiding to 2 to 4 feet after
midnight. waves occasionally to 9 feet. 
.sunday...southwest wind 10 to 15 knots. mostly sunny. waves 1 to
2 feet. 
.sunday night...south wind 5 to 10 knots. slight chance of snow
after midnight. waves 1 foot or less. 

$$
fzus53 kdlh 201702
nshdlh
expires:202512202300;;923285

nearshore marine forecast
national weather service duluth mn
1102 am cst sat dec 20 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.


lsz146-202300-
port wing to sand island wi-
1102 am cst sat dec 20 2025

...gale warning in effect until 10 pm cst this evening...
...heavy freezing spray warning in effect through late tonight...

.rest of today...west wind up to 30 knots. gales up to 40 knots
decreasing to 35 knots late. heavy freezing spray. waves 7 to
10 feet. waves occasionally to 13 feet. 
.tonight...northwest wind up to 30 knots with gales to around
35 knots becoming west 15 to 20 knots with gusts to around
25 knots after midnight. heavy freezing spray in the evening.
waves 5 to 8 feet subsiding to 3 to 5 feet after midnight. waves
occasionally to 10 feet. 
.sunday...west wind 10 to 15 knots with gusts to around 20 knots
becoming southwest 5 to 10 knots in the late morning and
afternoon. mostly sunny. waves 1 to 2 feet. 
.sunday night...southwest wind 5 to 10 knots. slight chance of
snow after midnight. waves 1 foot or less. 

$$
fzus53 kdlh 201702
nshdlh
expires:202512202300;;923286

nearshore marine forecast
national weather service duluth mn
1102 am cst sat dec 20 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.


lsz147-202300-
sand island to bayfield wi-
1102 am cst sat dec 20 2025

...gale warning in effect until 10 pm cst this evening...
...heavy freezing spray warning in effect through late tonight...

.rest of today...west wind up to 30 knots. gusts up to 35 knots
increasing to 40 knots in the afternoon. heavy freezing spray.
waves 6 to 9 feet. waves occasionally to 12 feet. 
.tonight...northwest wind up to 30 knots with gales to around
35 knots becoming west 15 to 20 knots with gusts to around
25 knots after midnight. heavy freezing spray in the evening.
waves 5 to 8 feet subsiding to 3 to 5 feet after midnight. waves
occasionally to 11 feet. 
.sunday...west wind 10 to 15 knots with gusts to around 20 knots
becoming southwest 5 to 10 knots in the late morning and
afternoon. partly sunny. waves 1 to 2 feet. 
.sunday night...southwest wind 5 to 10 knots. slight chance of
snow after midnight. waves 1 foot or less. 

$$
fzus53 kmqt 201600
nshmqt
expires:202512202100;;921280

nearshore marine forecast
national weather service marquette mi
1100 am est sat dec 20 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.


lsz242-243-202100-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
1100 am est sat dec 20 2025

...gale warning in effect through late tonight...
...heavy freezing spray warning in effect through sunday
morning...

.rest of today...west gales to 35 knots. storm force gusts up to
48 knots. cloudy with snow showers likely. freezing spray. waves
8 to 11 feet occasionally to 14 feet building to 12 to 17 feet
occasionally to 21 feet. 
.tonight...northwest wind up to 30 knots. gale force gusts up to
45 knots in the evening. cloudy. snow showers likely through late
evening, then a chance of snow showers by midnight. freezing
spray through the night. waves subsiding to 3 to 6 feet
occasionally to 8 feet. 
.sunday...west wind 15 to 20 knots backing southwest 10 to
15 knots in the afternoon. mostly cloudy. a chance of snow
showers in the morning. freezing spray in the morning. waves
subsiding to 2 to 3 feet. 
.sunday night...southwest wind 10 to 15 knots. partly cloudy.
waves 2 to 3 feet. 

note: wave height forecasts are for ice free areas.

$$
fzus53 kmqt 201600
nshmqt
expires:202512202100;;921279

nearshore marine forecast
national weather service marquette mi
1100 am est sat dec 20 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.


lsz240-241-202100-
saxon harbor wi to black river mi-
black river to ontonagon mi-
1100 am est sat dec 20 2025 /1000 am cst sat dec 20 2025/

...gale warning in effect through late tonight...
...heavy freezing spray warning in effect through sunday
morning...

.rest of today...west wind up to 30 knots with gale force gusts
up to 47 knots. mostly cloudy. a chance of snow showers by late
morning, then snow showers likely late. heavy freezing spray
through the day. waves 8 to 11 feet occasionally to 14 feet
building to 10 to 14 feet occasionally to 18 feet. 
.tonight...west wind up to 30 knots with gale force gusts up to
43 knots. cloudy with a chance of snow showers. heavy freezing
spray. waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.sunday...west wind 10 to 15 knots backing southwest in the
afternoon. partly cloudy. a chance of snow showers in the
morning. waves subsiding to 1 to 2 feet. 
.sunday night...southwest wind 10 to 15 knots. partly cloudy. a
slight chance of snow showers after midnight. waves 1 to 2 feet. 

note: wave height forecasts are for ice free areas.

$$
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