fzus53 kdlh 212328
nshdlh
expires:202604221000;;769888

nearshore marine forecast
national weather service duluth mn
627 pm 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.


lsz142-221000-
taconite harbor to silver bay harbor mn-
627 pm cdt tue apr 21 2026

.rest of tonight...southeast 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. 
.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. chance of rain and slight chance of
thunderstorms through the night. waves 1 to 3 feet building to
2 to 4 feet after midnight. 
.thursday...northeast wind 15 to 20 knots. chance of rain. waves
3 to 5 feet. waves occasionally to 7 feet. a small craft advisory
may be needed. 

$$

fzus53 kdlh 212328
nshdlh
expires:202604221000;;769889

nearshore marine forecast
national weather service duluth mn
627 pm 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.


lsz143-221000-
silver bay harbor to two harbors mn-
627 pm cdt tue apr 21 2026

.rest of tonight...southeast 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 to
2 feet. 
.wednesday night...northeast wind 10 to 15 knots. gusts up to
20 knots until early morning. chance of rain in the evening.
slight chance of thunderstorms through the night. slight chance
of rain after midnight. waves 1 to 2 feet building to 1 to 3 feet
after midnight. 
.thursday...northeast wind 10 to 15 knots. gusts up to 20 knots
in the afternoon. chance of rain and slight chance of
thunderstorms in the afternoon. waves 2 to 4 feet. a small craft
advisory may be needed. 

$$

fzus53 kdlh 212328
nshdlh
expires:202604221000;;769890

nearshore marine forecast
national weather service duluth mn
627 pm 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.


lsz144-221000-
two harbors to duluth mn-
627 pm cdt tue apr 21 2026

.rest of tonight...northeast 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 until early morning. slight chance of rain and
thunderstorms. waves 1 to 3 feet. 
.thursday...northeast wind 10 to 15 knots. gusts up to 20 knots
in the late morning and afternoon. chance of rain and slight
chance of thunderstorms in the afternoon. waves 1 to 3 feet. 

$$

fzus53 kdlh 212328
nshdlh
expires:202604221000;;769891

nearshore marine forecast
national weather service duluth mn
627 pm 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.


lsz145-221000-
duluth mn to port wing wi-
627 pm cdt tue apr 21 2026

.rest of tonight...northeast 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 until early morning. slight chance of rain and
thunderstorms. waves 1 to 3 feet. 
.thursday...northeast wind 10 to 15 knots. gusts up to 25 knots.
chance of rain and slight chance of thunderstorms in the
afternoon. waves 1 to 3 feet. 

$$

fzus53 kdlh 212328
nshdlh
expires:202604221000;;769892

nearshore marine forecast
national weather service duluth mn
627 pm 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.


lsz146-221000-
port wing to sand island wi-
627 pm cdt tue apr 21 2026

.rest of tonight...east wind 5 knots early in the evening
becoming variable 10 knots or less, then becoming east 5 knots
after midnight. 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. slight chance
of rain and thunderstorms through the night. waves 1 to 2 feet. 
.thursday...northeast wind 10 to 15 knots. gusts up to 20 knots
in the afternoon. chance of rain and slight chance of
thunderstorms in the afternoon. waves 1 to 2 feet building to
2 to 4 feet late in the afternoon. 

$$