fzus53 kdlh 210743
nshdlh
expires:202604211600;;733828

nearshore marine forecast
national weather service duluth mn
243 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-
243 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 3 feet. 

$$

fzus53 kdlh 210743
nshdlh
expires:202604211600;;733829

nearshore marine forecast
national weather service duluth mn
243 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-
243 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 3 feet. 

$$

fzus53 kdlh 210743
nshdlh
expires:202604211600;;733830

nearshore marine forecast
national weather service duluth mn
243 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-
243 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 to 2 feet. 
.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 210743
nshdlh
expires:202604211600;;733831

nearshore marine forecast
national weather service duluth mn
243 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-
243 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 to
2 feet. 
.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 3 feet. 

$$

fzus53 kdlh 210743
nshdlh
expires:202604211600;;733832

nearshore marine forecast
national weather service duluth mn
243 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-
243 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. 

$$