fzus53 kdlh 210623
nshdlh
expires:202604211600;;728645

nearshore marine forecast
national weather service duluth mn
123 am cdt tue apr 21 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.


lsz148-211600-
oak point to saxon harbor wi-
123 am cdt tue apr 21 2026

.today...west wind 5 knots becoming east late in the afternoon.
sunny. waves 1 foot or less. 
.tonight...southeast wind 5 knots becoming south early in the
morning. mostly clear. waves 1 foot or less. 
.wednesday...south wind 5 knots becoming east in the afternoon.
sunny. waves 1 foot or less. 
.wednesday night...east wind 5 to 10 knots becoming southeast
with gusts to around 20 knots in the late evening and overnight.
slight chance of rain. waves 1 to 2 feet. 

$$

fzus53 kdlh 210623
nshdlh
expires:202604211600;;728639

nearshore marine forecast
national weather service duluth mn
123 am cdt tue apr 21 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.


lsz144-211600-
two harbors to duluth mn-
123 am cdt tue apr 21 2026

.today...northwest wind 5 knots becoming northeast late in the
morning, then becoming southeast in the afternoon. sunny. waves
1 foot or less. 
.tonight...northeast wind 5 knots. mostly clear. waves 1 foot or
less. 
.wednesday...east wind 10 to 15 knots. sunny. waves 1 foot or
less. 
.wednesday night...northeast wind 10 to 15 knots. gusts up to
20 knots early in the morning. slight chance of rain in the
evening. waves 1 to 2 feet. 

$$

fzus53 kdlh 210623
nshdlh
expires:202604211600;;728640

nearshore marine forecast
national weather service duluth mn
123 am cdt tue apr 21 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.


lsz145-211600-
duluth mn to port wing wi-
123 am cdt tue apr 21 2026

.today...northwest wind 5 knots becoming east in the afternoon.
sunny. waves 1 foot or less. 
.tonight...east wind 5 knots. mostly clear. waves 1 foot or less.
.wednesday...northeast wind 10 to 15 knots. sunny. waves 1 foot
or less. 
.wednesday night...northeast wind 10 to 15 knots. gusts up to
20 knots early in the morning. slight chance of rain in the
evening. waves 1 to 2 feet. 

$$

fzus53 kdlh 210623
nshdlh
expires:202604211600;;728641

nearshore marine forecast
national weather service duluth mn
123 am cdt tue apr 21 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.


lsz146-211600-
port wing to sand island wi-
123 am cdt tue apr 21 2026

.today...west wind 5 knots becoming north late in the morning,
then becoming southeast in the afternoon. sunny. waves 1 foot or
less. 
.tonight...east wind 5 knots. mostly clear. waves 1 foot or less.
.wednesday...northeast wind 10 to 15 knots. sunny. waves 1 foot
or less. 
.wednesday night...northeast wind 10 to 15 knots. slight chance
of rain and thunderstorms. waves 1 to 2 feet. 

$$

fzus53 kdlh 210623
nshdlh
expires:202604211600;;728642

nearshore marine forecast
national weather service duluth mn
123 am cdt tue apr 21 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.


lsz147-211600-
sand island to bayfield wi-
123 am cdt tue apr 21 2026

.today...northwest wind 5 knots becoming southeast late in the
afternoon. sunny. waves 1 foot or less. 
.tonight...southeast wind 5 knots. mostly clear. waves 1 foot or
less. 
.wednesday...southeast wind 5 knots becoming east in the
afternoon. sunny. waves 1 foot or less. 
.wednesday night...east wind 10 to 15 knots. slight chance of
rain. waves 1 to 2 feet. 

$$

fzus53 kdlh 210623
nshdlh
expires:202604211600;;728644

nearshore marine forecast
national weather service duluth mn
123 am cdt tue apr 21 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.


lsz121-211600-
chequamegon bay-bayfield to oak point wi-
123 am cdt tue apr 21 2026

.today...west wind 5 knots becoming east in the afternoon. sunny.
waves 1 foot or less. 
.tonight...east wind 5 knots becoming south in the late evening
and overnight. mostly clear. waves 1 foot or less. 
.wednesday...south wind 5 knots becoming east in the afternoon.
sunny. waves 1 foot or less. 
.wednesday night...east wind 5 to 10 knots becoming southeast in
the late evening and overnight. slight chance of rain in the
evening. waves 1 foot or less. 

$$

fzus53 kdlh 210623
nshdlh
expires:202604211600;;728635

nearshore marine forecast
national weather service duluth mn
123 am cdt tue apr 21 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.


lsz140-211600-
grand portage to grand marais mn-
123 am cdt tue apr 21 2026

.today...northwest wind 5 knots becoming southwest in the
afternoon. sunny. waves 1 to 2 feet. 
.tonight...southwest wind 5 to 10 knots becoming northwest late
in the evening, then becoming northeast after midnight. mostly
clear. waves 1 foot or less. 
.wednesday...northeast wind 5 knots becoming east in the late
morning and afternoon. sunny. waves 1 foot or less. 
.wednesday night...northeast wind 10 to 15 knots with gusts to
around 20 knots. slight chance of rain in the evening, then
chance of rain after midnight. waves 1 to 3 feet. 

$$

fzus53 kdlh 210623
nshdlh
expires:202604211600;;728636

nearshore marine forecast
national weather service duluth mn
123 am cdt tue apr 21 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.


lsz141-211600-
grand marais to taconite harbor mn-
123 am cdt tue apr 21 2026

.today...northwest wind 5 knots becoming southwest in the
afternoon. sunny. waves 1 to 2 feet. 
.tonight...southeast wind 5 knots becoming northeast in the late
evening and overnight. mostly clear. waves 1 foot or less. 
.wednesday...east wind 5 to 10 knots. sunny. waves 1 foot or
less. 
.wednesday night...northeast wind 10 to 15 knots with gusts to
around 20 knots. slight chance of rain in the evening, then
chance of rain after midnight. waves 1 to 2 feet. 

$$

fzus53 kdlh 210623
nshdlh
expires:202604211600;;728637

nearshore marine forecast
national weather service duluth mn
123 am cdt tue apr 21 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.


lsz142-211600-
taconite harbor to silver bay harbor mn-
123 am cdt tue apr 21 2026

.today...north wind 5 knots becoming southwest in the afternoon.
sunny. waves 1 foot or less. 
.tonight...east wind 5 knots becoming northeast in the late
evening and overnight. mostly clear. waves 1 foot or less. 
.wednesday...northeast wind 5 to 10 knots. sunny. waves 1 foot or
less. 
.wednesday night...northeast wind 10 to 15 knots. gusts up to
20 knots after midnight. slight chance of rain and thunderstorms
through the night. waves 1 to 2 feet. 

$$

fzus53 kdlh 210623
nshdlh
expires:202604211600;;728638

nearshore marine forecast
national weather service duluth mn
123 am cdt tue apr 21 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.


lsz143-211600-
silver bay harbor to two harbors mn-
123 am cdt tue apr 21 2026

.today...northwest wind 5 knots becoming northeast late in the
morning, then becoming south in the afternoon. sunny. waves
1 foot or less. 
.tonight...east wind 5 knots becoming northeast in the late
evening and overnight. mostly clear. waves 1 foot or less. 
.wednesday...northeast wind 10 to 15 knots. sunny. waves 1 foot
or less. 
.wednesday night...northeast wind 10 to 15 knots. slight chance
of rain and thunderstorms. waves 1 to 2 feet. 

$$

fzus53 kmqt 210300
nshmqt
expires:202604210800;;721946

nearshore marine forecast
national weather service marquette mi
1100 pm 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.


lsz240-241-210800-
saxon harbor wi to black river mi-
black river to ontonagon mi-
1100 pm edt mon apr 20 2026 /1000 pm cdt mon apr 20 2026/

.rest of tonight...southwest wind 10 to 15 knots. gusts up to
22 knots. clear. waves 1 to 2 feet building to 2 to 3 feet, then
subsiding to 1 to 2 feet. 
.tuesday...northwest wind less than 10 knots through mid morning
becoming variable, then becoming east less than 10 knots late.
sunny. waves 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...variable wind less than 10 knots becoming east less
than 10 knots in the afternoon. sunny. waves calm to 1 foot. 

$$

fzus53 kmqt 210300
nshmqt
expires:202604210800;;721947

nearshore marine forecast
national weather service marquette mi
1100 pm 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.


lsz242-243-210800-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
1100 pm edt mon apr 20 2026

...small craft advisory in effect until 4 am edt tuesday...

.rest of tonight...southwest wind 15 to 20 knots diminishing to
10 to 15 knots late. clear. waves 2 to 3 feet subsiding to 1 to
2 feet. 
.tuesday...northwest wind less than 10 knots backing west late.
sunny. waves 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. 
.wednesday...southeast wind less than 10 knots backing east 5 to
15 knots in the afternoon. sunny. waves calm to 1 foot. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710524

nearshore marine forecast
national weather service marquette mi
503 pm 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.


lsz241-210800-
black river to ontonagon mi-
503 pm edt mon apr 20 2026 /403 pm cdt mon apr 20 2026/

.late this afternoon...southwest wind 10 to 15 knots. mostly
cloudy. waves calm to 1 foot building to 1 to 2 feet. 
.tonight...southwest wind 10 to 15 knots veering west late. gusts
up to 22 knots. partly cloudy through late evening then clearing.
waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. 
.tuesday...northwest wind less than 10 knots veering north late.
sunny. waves 1 to 2 feet. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...southeast wind less than 10 knots backing east in
the afternoon. sunny. waves calm to 1 foot. 

$$

fzus53 kmqt 202103
nshmqt
expires:202604210800;;710523

nearshore marine forecast
national weather service marquette mi
503 pm 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.


lsz240-210800-
saxon harbor wi to black river mi-
503 pm edt mon apr 20 2026 /403 pm cdt mon apr 20 2026/

...small craft advisory in effect until 9 pm edt /8 pm cdt/ this
evening...

.late this afternoon...southwest wind 10 to 15 knots with gusts
up to 23 knots. mostly cloudy. waves 1 to 2 feet. 
.tonight...southwest wind 10 to 20 knots becoming 10 to 15 knots
late. clear. waves 1 to 2 feet. 
.tuesday...northwest wind less than 10 knots through mid morning
becoming variable. sunny. waves calm to 1 foot. 
.tuesday night...variable wind less than 10 knots. clear. waves
calm to 1 foot. 
.wednesday...variable wind less than 10 knots becoming east less
than 10 knots in the afternoon. sunny. waves calm to 1 foot. 

$$