fzus53 kdlh 180623
nshdlh
expires:202604181600;;564548

nearshore marine forecast
national weather service duluth mn
123 am cdt sat apr 18 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.


lsz148-181600-
oak point to saxon harbor wi-
123 am cdt sat apr 18 2026

...small craft advisory in effect through this evening...

.today...west wind 15 to 20 knots. gusts up to 25 knots
increasing to 30 knots in the late morning and afternoon. chance
of flurries in the afternoon. chance of sprinkles late in the
afternoon. waves 2 to 4 feet. 
.tonight...northwest wind 15 to 20 knots. gusts up to 25 knots
decreasing to 20 knots after midnight. chance of sprinkles and
flurries in the evening. waves 2 to 4 feet subsiding to 1 to
2 feet after midnight. 
.sunday...northwest wind 10 to 15 knots. gusts up to 20 knots
early in the morning. sunny. waves 1 to 2 feet. 
.sunday night...northwest wind 5 knots becoming south early in
the morning. mostly clear. waves 1 foot or less. 

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

$$

fzus53 kdlh 180623
nshdlh
expires:202604181600;;564543

nearshore marine forecast
national weather service duluth mn
123 am cdt sat apr 18 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.


lsz145-181600-
duluth mn to port wing wi-
123 am cdt sat apr 18 2026

...small craft advisory in effect through this evening...

.today...west wind 20 to 25 knots with gusts to around 30 knots.
chance of flurries early in the afternoon. chance of sprinkles
late in the afternoon. waves 3 to 5 feet. 
.tonight...west wind 20 to 25 knots with gusts to around 30 knots
becoming northwest 10 to 15 knots with gusts to around 20 knots
after midnight. partly cloudy. waves 3 to 5 feet subsiding to
1 to 3 feet after midnight. 
.sunday...northwest wind 10 to 15 knots. gusts up to 20 knots
early in the morning. sunny. waves 1 to 2 feet. 
.sunday night...northwest wind 5 to 10 knots becoming south early
in the morning. mostly clear. waves 1 foot or less. 

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

$$

fzus53 kdlh 180623
nshdlh
expires:202604181600;;564544

nearshore marine forecast
national weather service duluth mn
123 am cdt sat apr 18 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.


lsz146-181600-
port wing to sand island wi-
123 am cdt sat apr 18 2026

...small craft advisory in effect through this evening...

.today...west wind 20 to 25 knots with gusts to around 30 knots.
chance of flurries in the afternoon. chance of sprinkles late in
the afternoon. waves 4 to 6 feet. waves occasionally to 7 feet. 
.tonight...northwest wind 15 to 20 knots. gusts up to 30 knots
decreasing to 20 knots. mostly cloudy in the evening then
becoming partly cloudy. waves 3 to 5 feet subsiding to 1 to
2 feet. waves occasionally to 7 feet. 
.sunday...northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 knots late in the afternoon. sunny.
waves 1 to 2 feet. 
.sunday night...northwest wind 5 knots becoming south early in
the morning. mostly clear. waves 1 foot or less. 

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

$$

fzus53 kdlh 180623
nshdlh
expires:202604181600;;564545

nearshore marine forecast
national weather service duluth mn
123 am cdt sat apr 18 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.


lsz147-181600-
sand island to bayfield wi-
123 am cdt sat apr 18 2026

...small craft advisory in effect through this evening...

.today...west wind 15 to 20 knots with gusts to around 30 knots.
chance of flurries in the afternoon. chance of sprinkles late in
the afternoon. waves 4 to 6 feet. waves occasionally to 7 feet. 
.tonight...northwest wind 15 to 20 knots. gusts up to 30 knots
decreasing to 20 knots. chance of sprinkles in the evening. waves
3 to 5 feet subsiding to 1 to 2 feet. waves occasionally to
7 feet. 
.sunday...northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 knots late in the afternoon. sunny.
waves 1 to 2 feet. 
.sunday night...northwest wind 5 knots becoming north after
midnight, then becoming east early in the morning. mostly clear.
waves 1 foot or less. 

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

$$

fzus53 kdlh 180623
nshdlh
expires:202604181600;;564547

nearshore marine forecast
national weather service duluth mn
123 am cdt sat apr 18 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.


lsz121-181600-
chequamegon bay-bayfield to oak point wi-
123 am cdt sat apr 18 2026

...small craft advisory in effect through this evening...

.today...west wind 15 to 20 knots. gusts up to 25 knots
increasing to 30 knots late in the afternoon. chance of flurries
in the afternoon. chance of sprinkles late in the afternoon.
waves 1 to 2 feet. 
.tonight...west wind 15 to 20 knots with gusts to around 25 knots
becoming northwest 5 to 10 knots with gusts to around 20 knots
after midnight. chance of sprinkles in the evening. waves 1 to
2 feet. 
.sunday...northwest wind 5 to 10 knots. sunny. waves 1 foot or
less. 
.sunday night...northwest wind 5 knots becoming southwest early
in the morning. mostly clear. waves 1 foot or less. 

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

$$

fzus53 kdlh 180623
nshdlh
expires:202604181600;;564538

nearshore marine forecast
national weather service duluth mn
123 am cdt sat apr 18 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.


lsz140-181600-
grand portage to grand marais mn-
123 am cdt sat apr 18 2026

...gale warning in effect until 3 am cdt early this morning...

.today...west wind 20 to 25 knots. gusts up to 25 knots
increasing to 30 knots in the late morning and afternoon. chance
of flurries in the afternoon. waves 3 to 5 feet. 
.tonight...northwest wind 20 to 25 knots. gusts up to 30 knots
decreasing to 25 knots after midnight. mostly cloudy in the
evening then becoming partly cloudy. waves 3 to 5 feet subsiding
to 1 to 3 feet early in the morning. a small craft advisory may
be needed. 
.sunday...northwest wind 15 to 20 knots. gusts up to 25 knots
decreasing to 20 knots in the late morning and afternoon. mostly
sunny. waves 1 to 2 feet. 
.sunday night...northwest wind 10 to 15 knots. gusts up to
20 knots early in the evening. mostly clear. waves 1 foot or
less. 

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

$$

fzus53 kdlh 180623
nshdlh
expires:202604181600;;564539

nearshore marine forecast
national weather service duluth mn
123 am cdt sat apr 18 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.


lsz141-181600-
grand marais to taconite harbor mn-
123 am cdt sat apr 18 2026

...gale warning in effect until 3 am cdt early this morning...

.today...west wind 20 to 25 knots. gusts up to 25 knots
increasing to 30 knots in the late morning and afternoon. chance
of flurries in the afternoon. waves 2 to 4 feet. 
.tonight...northwest wind 15 to 20 knots. gusts up to 30 knots
decreasing to 20 knots. mostly cloudy in the evening then
becoming partly cloudy. waves 2 to 4 feet subsiding to 1 to
2 feet after midnight. 
.sunday...northwest wind 10 to 15 knots with gusts to around
20 knots. sunny. waves 1 foot or less. 
.sunday night...northwest wind 5 to 10 knots. mostly clear. waves
1 foot or less. 

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

$$

fzus53 kdlh 180623
nshdlh
expires:202604181600;;564540

nearshore marine forecast
national weather service duluth mn
123 am cdt sat apr 18 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.


lsz142-181600-
taconite harbor to silver bay harbor mn-
123 am cdt sat apr 18 2026

...gale warning in effect until 3 am cdt early this morning...

.today...west wind 15 to 20 knots with gusts to around 25 knots.
partly sunny. waves 1 to 3 feet. 
.tonight...west wind 15 to 20 knots with gusts to around 25 knots
becoming northwest 5 to 10 knots with gusts to around 20 knots
after midnight. mostly cloudy in the evening then clearing. waves
1 to 2 feet. 
.sunday...northwest wind 5 to 10 knots. gusts up to 20 knots in
the morning. sunny. waves 1 foot or less. 
.sunday night...northwest wind 5 to 10 knots. mostly clear. waves
1 foot or less. 

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

$$

fzus53 kdlh 180623
nshdlh
expires:202604181600;;564541

nearshore marine forecast
national weather service duluth mn
123 am cdt sat apr 18 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.


lsz143-181600-
silver bay harbor to two harbors mn-
123 am cdt sat apr 18 2026

...small craft advisory in effect through this evening...

.today...west wind 15 to 20 knots with gusts to around 25 knots.
partly sunny. waves 1 to 3 feet. 
.tonight...west wind 15 to 20 knots with gusts to around 25 knots
becoming northwest 5 to 10 knots with gusts to around 20 knots
after midnight. mostly cloudy in the evening then becoming partly
cloudy. waves 1 to 3 feet. 
.sunday...northwest wind 5 to 10 knots. gusts up to 20 knots
early in the morning. sunny. waves 1 foot or less. 
.sunday night...northwest wind 5 knots. mostly clear. waves
1 foot or less. 

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

$$

fzus53 kdlh 180623
nshdlh
expires:202604181600;;564542

nearshore marine forecast
national weather service duluth mn
123 am cdt sat apr 18 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.


lsz144-181600-
two harbors to duluth mn-
123 am cdt sat apr 18 2026

...small craft advisory in effect through this evening...

.today...west wind 20 to 25 knots with gusts to around 30 knots.
partly sunny. waves 2 to 4 feet. 
.tonight...west wind 20 to 25 knots with gusts to around 30 knots
becoming northwest 10 to 15 knots with gusts to around 20 knots
after midnight. partly cloudy. waves 2 to 4 feet subsiding to
1 to 2 feet after midnight. 
.sunday...northwest wind 10 to 15 knots. sunny. waves 1 foot or
less. 
.sunday night...northwest wind 5 to 10 knots becoming southwest
early in the morning. mostly clear. waves 1 foot or less. 

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

$$

fzus53 kmqt 180301
nshmqt
expires:202604180800;;556158

nearshore marine forecast
national weather service marquette mi
1100 pm edt fri apr 17 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.


lsz241-180800-
black river to ontonagon mi-
1100 pm edt fri apr 17 2026 /1000 pm cdt fri apr 17 2026/

...small craft advisory in effect until 4 am edt /3 am cdt/
saturday...
...gale warning in effect from 4 am edt /3 am cdt/ saturday
through saturday evening...

.rest of tonight...west wind 20 to 25 knots. mostly cloudy. a
slight chance of rain showers by midnight. waves 3 to 5 feet
occasionally to 7 feet building to 4 to 7 feet occasionally to
9 feet. 
.saturday...west wind up to 30 knots. partly cloudy with a slight
chance of snow showers. waves building to 6 to 9 feet
occasionally to 11 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet. 
.saturday night...northwest wind 15 to 25 knots. mostly cloudy
with a slight chance of snow showers. waves subsiding to 3 to
5 feet occasionally to 7 feet. 
.sunday...northwest wind 15 to 20 knots backing west 5 to
15 knots in the afternoon. partly cloudy in the morning then
clearing. waves subsiding to 1 to 2 feet. 

$$

fzus53 kmqt 180301
nshmqt
expires:202604180800;;556159

nearshore marine forecast
national weather service marquette mi
1100 pm edt fri apr 17 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.


lsz242-243-180800-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
1100 pm edt fri apr 17 2026

...small craft advisory in effect until 4 am edt saturday...
...gale warning in effect from 4 am edt saturday through saturday
evening...

.rest of tonight...west wind 15 to 25 knots. cloudy. a chance of
rain showers by midnight. waves 3 to 5 feet occasionally to
7 feet building to 5 to 8 feet occasionally to 10 feet. 
.saturday...west wind up to 30 knots. mostly cloudy with a slight
chance of snow showers. waves building to 8 to 11 feet
occasionally to 14 feet, then subsiding to 7 to 10 feet
occasionally to 13 feet. 
.saturday night...northwest wind up to 30 knots with gale force
gusts up to 37 knots. mostly cloudy. a slight chance of snow
showers in the evening. waves building to 8 to 11 feet
occasionally to 14 feet, then subsiding to 4 to 7 feet
occasionally to 9 feet. 
.sunday...northwest wind 15 to 25 knots. partly cloudy. waves
subsiding to 2 to 3 feet. 

$$

fzus53 kmqt 180301
nshmqt
expires:202604180800;;556157

nearshore marine forecast
national weather service marquette mi
1100 pm edt fri apr 17 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.


lsz240-180800-
saxon harbor wi to black river mi-
1100 pm edt fri apr 17 2026 /1000 pm cdt fri apr 17 2026/

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

.rest of tonight...west wind 15 to 25 knots. mostly cloudy. waves
2 to 4 feet building to 3 to 5 feet occasionally to 7 feet. 
.saturday...west wind 20 to 25 knots. partly cloudy with a slight
chance of snow showers. waves building to 3 to 6 feet
occasionally to 8 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet. 
.saturday night...west wind 15 to 25 knots veering northwest
10 to 15 knots after midnight. mostly cloudy with a slight chance
of snow showers in the evening, then partly cloudy after
midnight. waves subsiding to 2 to 3 feet. 
.sunday...northwest wind 5 to 15 knots. partly cloudy in the
morning then clearing. waves subsiding to 1 to 2 feet. 

$$