fzus53 kdlh 201138
nshdlh
expires:202604201600;;688761

nearshore marine forecast
national weather service duluth mn
638 am cdt mon apr 20 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.


lsz148-201600-
oak point to saxon harbor wi-
638 am cdt mon apr 20 2026

...small craft advisory in effect from 2 pm cdt this afternoon
through this evening...

.today...southwest wind 10 to 15 knots with gusts to around
20 knots. mostly sunny in the morning then becoming mostly
cloudy. waves 1 to 2 feet. 
.tonight...southwest wind 10 to 15 knots. gusts up to 25 knots.
partly cloudy in the evening then clearing. waves 1 to 2 feet. 
.tuesday...northwest wind 5 knots becoming north in the late
morning and early afternoon, then becoming east late in the
afternoon. sunny. waves 1 foot or less. 
.tuesday night...southeast wind 5 knots becoming south early in
the morning. clear. waves 1 foot or less. 

$$

fzus53 kdlh 201138
nshdlh
expires:202604201600;;688756

nearshore marine forecast
national weather service duluth mn
638 am cdt mon apr 20 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.


lsz145-201600-
duluth mn to port wing wi-
638 am cdt mon apr 20 2026

...small craft advisory in effect from 2 pm cdt this afternoon
through this evening...

.today...southwest wind 15 to 20 knots with gusts to around
25 knots. mostly sunny. waves 1 to 3 feet. 
.tonight...southwest wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 10 knots after midnight. mostly clear.
waves 1 to 3 feet. 
.tuesday...northwest wind 5 knots becoming southwest late in the
afternoon. sunny. waves 1 foot or less. 
.tuesday night...east wind 5 knots. mostly clear. waves 1 foot or
less. 

$$

fzus53 kdlh 201138
nshdlh
expires:202604201600;;688757

nearshore marine forecast
national weather service duluth mn
638 am cdt mon apr 20 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.


lsz146-201600-
port wing to sand island wi-
638 am cdt mon apr 20 2026

.today...southwest wind 10 to 15 knots with gusts to around
20 knots. mostly sunny in the morning then becoming partly sunny.
waves 1 to 2 feet. 
.tonight...southwest wind 10 to 15 knots. gusts up to 20 knots in
the evening. mostly clear. waves 1 to 3 feet. 
.tuesday...northwest wind 5 knots becoming southwest in the
afternoon. sunny. waves 1 foot or less. 
.tuesday night...southeast wind 5 knots becoming east after
midnight. mostly clear. waves 1 foot or less. 

$$

fzus53 kdlh 201138
nshdlh
expires:202604201600;;688758

nearshore marine forecast
national weather service duluth mn
638 am cdt mon apr 20 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.


lsz147-201600-
sand island to bayfield wi-
638 am cdt mon apr 20 2026

.today...southwest wind 5 to 10 knots. gusts up to 20 knots late
in the afternoon. mostly sunny in the morning then becoming
partly sunny. waves 1 foot or less. 
.tonight...southwest wind 5 to 10 knots with gusts to around
20 knots becoming west early in the morning. partly cloudy in the
evening then becoming clear. waves 1 to 2 feet. 
.tuesday...northwest wind 5 knots becoming south late in the
afternoon. sunny. waves 1 foot or less. 
.tuesday night...southeast wind 5 knots in the evening becoming
variable 10 knots or less, then becoming southeast 5 knots early
in the morning. mostly clear. waves 1 foot or less. 

$$

fzus53 kdlh 201138
nshdlh
expires:202604201600;;688760

nearshore marine forecast
national weather service duluth mn
638 am cdt mon apr 20 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.


lsz121-201600-
chequamegon bay-bayfield to oak point wi-
638 am cdt mon apr 20 2026

...small craft advisory in effect from 2 pm cdt this afternoon
through this evening...

.today...southwest wind 10 to 15 knots with gusts to around
20 knots. mostly sunny in the morning then becoming partly sunny.
waves 1 foot or less. 
.tonight...southwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots early in the morning. partly
cloudy in the evening then becoming clear. waves 1 foot or less. 
.tuesday...northwest wind 5 knots becoming east late in the
afternoon. sunny. waves 1 foot or less. 
.tuesday night...southeast wind 5 knots in the evening becoming
variable 10 knots or less, then becoming south 5 knots early in
the morning. clear. waves 1 foot or less. 

$$

fzus53 kdlh 201138
nshdlh
expires:202604201600;;688751

nearshore marine forecast
national weather service duluth mn
638 am cdt mon apr 20 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.


lsz140-201600-
grand portage to grand marais mn-
638 am cdt mon apr 20 2026

...small craft advisory in effect from noon cdt today through
this evening...

.today...southwest wind 15 to 20 knots with gusts to around
25 knots. mostly sunny in the morning then becoming mostly
cloudy. waves 1 to 2 feet building to 2 to 4 feet in the
afternoon. 
.tonight...southwest wind 15 to 20 knots with gusts to around
25 knots becoming west 5 to 10 knots early in the morning. partly
cloudy. waves 2 to 4 feet. 
.tuesday...west wind 5 to 10 knots becoming southwest late in the
afternoon. sunny. waves 1 to 2 feet. 
.tuesday night...southwest wind 5 to 10 knots becoming northeast
early in the morning. mostly clear. waves 1 foot or less. 

$$

fzus53 kdlh 201138
nshdlh
expires:202604201600;;688752

nearshore marine forecast
national weather service duluth mn
638 am cdt mon apr 20 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.


lsz141-201600-
grand marais to taconite harbor mn-
638 am cdt mon apr 20 2026

.today...west wind 5 knots becoming south 10 to 15 knots with
gusts to around 20 knots in the late morning and afternoon.
mostly sunny in the morning then becoming mostly cloudy. waves
1 to 2 feet. 
.tonight...southwest wind 5 to 10 knots becoming west after
midnight. mostly clear. waves 1 to 2 feet. 
.tuesday...west wind 5 to 10 knots. sunny. waves 1 to 2 feet. 
.tuesday night...southwest wind 5 knots early in the evening
becoming variable 10 knots or less, then becoming northeast
5 knots after midnight. mostly clear. waves 1 foot or less. 

$$

fzus53 kdlh 201138
nshdlh
expires:202604201600;;688753

nearshore marine forecast
national weather service duluth mn
638 am cdt mon apr 20 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.


lsz142-201600-
taconite harbor to silver bay harbor mn-
638 am cdt mon apr 20 2026

.today...west wind 5 knots becoming south with gusts to around
20 knots in the late morning and afternoon. mostly sunny in the
morning then becoming partly sunny. waves 1 foot or less. 
.tonight...southwest wind 5 to 10 knots with gusts to around
20 knots becoming west early in the morning. partly cloudy in the
evening then becoming clear. waves 1 to 2 feet. 
.tuesday...west wind 5 knots becoming southwest in the afternoon.
sunny. waves 1 foot or less. 
.tuesday night...southwest wind 5 knots early in the evening
becoming variable 10 knots or less, then becoming northeast
5 knots after midnight. mostly clear. waves 1 foot or less. 

$$

fzus53 kdlh 201138
nshdlh
expires:202604201600;;688754

nearshore marine forecast
national weather service duluth mn
638 am cdt mon apr 20 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.


lsz143-201600-
silver bay harbor to two harbors mn-
638 am cdt mon apr 20 2026

.today...southwest wind 10 to 15 knots with gusts to around
20 knots. mostly sunny in the morning then becoming partly sunny.
waves 1 to 3 feet. 
.tonight...southwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 knots early in the morning. mostly
clear. waves 1 to 3 feet. 
.tuesday...west wind 5 knots becoming southwest in the afternoon.
sunny. waves 1 foot or less. 
.tuesday night...south wind 5 knots becoming northeast in the
late evening and overnight. mostly clear. waves 1 foot or less. 

$$

fzus53 kdlh 201138
nshdlh
expires:202604201600;;688755

nearshore marine forecast
national weather service duluth mn
638 am cdt mon apr 20 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.


lsz144-201600-
two harbors to duluth mn-
638 am cdt mon apr 20 2026

...small craft advisory in effect from 2 pm cdt this afternoon
through this evening...

.today...southwest wind 15 to 20 knots with gusts to around
25 knots. mostly sunny. waves 1 to 2 feet building to 1 to 3 feet
late in the afternoon. 
.tonight...southwest wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 10 knots after midnight. mostly clear.
waves 1 to 3 feet. 
.tuesday...north wind 5 knots becoming southwest early in the
afternoon, then becoming south late in the afternoon. sunny.
waves 1 foot or less. 
.tuesday night...northeast wind 5 knots. clear. waves 1 foot or
less. 

$$

fzus53 kmqt 200900
nshmqt
expires:202604202000;;682940

nearshore marine forecast
national weather service marquette mi
500 am edt mon apr 20 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.


lsz241-202000-
black river to ontonagon mi-
500 am edt mon apr 20 2026 /400 am cdt mon apr 20 2026/

.early this morning...west wind less than 10 knots. clear. waves
1 to 2 feet. 
.today...southwest wind less than 10 knots backing south 10 to
15 knots late. gusts up to 23 knots. mostly sunny through mid
morning then becoming mostly cloudy. waves 1 to 2 feet. 
.tonight...southwest wind 10 to 20 knots veering west 10 to
15 knots late. mostly cloudy through late evening then clearing.
waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. 
.tuesday...west wind less than 10 knots. sunny. waves 1 to
2 feet. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 

$$

fzus53 kmqt 200900
nshmqt
expires:202604202000;;682941

nearshore marine forecast
national weather service marquette mi
500 am edt mon apr 20 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.


lsz242-243-202000-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
500 am edt mon apr 20 2026

...small craft advisory in effect from this evening through late
tonight...

.early this morning...west wind less than 10 knots. clear. waves
1 to 2 feet. 
.today...southwest wind 5 to 15 knots backing south late. mostly
sunny through mid morning then becoming mostly cloudy. waves 1 to
2 feet. 
.tonight...southwest wind 10 to 20 knots veering west 10 to
15 knots late. mostly cloudy through late evening then clearing.
waves building to 2 to 4 feet, then subsiding to 2 to 3 feet. 
.tuesday...west wind less than 10 knots. sunny. waves subsiding
to 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots becoming
southeast less than 10 knots after midnight. clear. waves calm to
1 foot. 

$$

fzus53 kmqt 200900
nshmqt
expires:202604202000;;682939

nearshore marine forecast
national weather service marquette mi
500 am edt mon apr 20 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.


lsz240-202000-
saxon harbor wi to black river mi-
500 am edt mon apr 20 2026 /400 am cdt mon apr 20 2026/

...small craft advisory in effect from 5 pm edt /4 pm cdt/ this
afternoon through this evening...

.early this morning...west wind less than 10 knots. clear. waves
calm to 1 foot. 
.today...southwest wind 5 to 15 knots increasing to 15 to
20 knots late. mostly sunny through mid morning then becoming
mostly cloudy. waves building to 1 to 2 feet. 
.tonight...southwest wind 10 to 15 knots becoming 5 to 15 knots
late. gusts up to 23 knots. partly cloudy through late evening
then clearing. waves 1 to 2 feet. 
.tuesday...northwest wind less than 10 knots in the morning
becoming variable. sunny. waves calm to 1 foot. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 

$$