fzus53 kdlh 211302
nshdlh
expires:202605211600;;401183

nearshore marine forecast
national weather service duluth mn
802 am cdt thu may 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-
802 am cdt thu may 21 2026

.today...east wind 5 knots becoming northeast 10 to 15 knots in
the afternoon. mostly sunny. waves 1 to 2 feet. 
.tonight...northeast wind 10 to 15 knots with gusts to around
20 knots becoming north 5 knots early in the morning. partly
cloudy in the evening then becoming mostly cloudy. waves 1 to
2 feet. 
.friday...northeast wind 15 to 20 knots. mostly sunny. waves 1 to
2 feet building to 2 to 4 feet late in the afternoon. a small
craft advisory may be needed. 
.friday night...east wind 10 to 15 knots. gusts up to 20 knots in
the evening. rain showers likely after midnight. waves 3 to
5 feet subsiding to 1 to 3 feet early in the morning. a small
craft advisory may be needed. 

$$

fzus53 kdlh 211302
nshdlh
expires:202605211600;;401178

nearshore marine forecast
national weather service duluth mn
802 am cdt thu may 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-
802 am cdt thu may 21 2026

.today...northeast wind 5 to 10 knots. mostly sunny. waves 1 foot
or less. 
.tonight...northeast wind 5 to 10 knots. partly cloudy in the
evening then becoming mostly cloudy. waves 1 to 2 feet. 
.friday...northeast wind 15 to 20 knots with gusts to around
25 knots. mostly sunny. waves 1 to 3 feet building to 2 to 4 feet
late in the afternoon. a small craft advisory may be needed. 
.friday night...northeast wind 15 to 20 knots with gusts to
around 25 knots easing to 5 to 10 knots with gusts to around
20 knots early in the morning. slight chance of rain showers in
the evening, then rain showers likely after midnight. waves 3 to
5 feet. waves occasionally to 7 feet. a small craft advisory may
be needed. 

$$

fzus53 kdlh 211302
nshdlh
expires:202605211600;;401179

nearshore marine forecast
national weather service duluth mn
802 am cdt thu may 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-
802 am cdt thu may 21 2026

.today...northeast wind 10 to 15 knots. gusts up to 20 knots late
in the afternoon. mostly sunny. waves 1 to 2 feet. 
.tonight...northeast wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots early in the morning. partly cloudy in
the evening then becoming mostly cloudy. waves 1 to 2 feet. 
.friday...northeast wind 15 to 20 knots with gusts to around
25 knots. mostly sunny. waves 1 to 2 feet building to 2 to 4 feet
in the afternoon. a small craft advisory may be needed. 
.friday night...northeast wind 15 to 20 knots. gusts up to
25 knots decreasing to 20 knots after midnight. slight chance of
rain showers in the evening, then rain showers likely after
midnight. waves 3 to 5 feet. waves occasionally to 7 feet. a
small craft advisory may be needed. 

$$

fzus53 kdlh 211302
nshdlh
expires:202605211600;;401180

nearshore marine forecast
national weather service duluth mn
802 am cdt thu may 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-
802 am cdt thu may 21 2026

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

.today...northeast wind 10 to 15 knots. gusts up to 25 knots.
mostly sunny. waves 1 to 3 feet. 
.tonight...northeast wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 10 knots after midnight. partly cloudy in
the evening then becoming mostly cloudy. waves 1 to 3 feet. 
.friday...northeast wind 15 to 20 knots with gusts to around
25 knots. mostly sunny. waves 1 to 2 feet building to 3 to 5 feet
in the afternoon. waves occasionally to 7 feet. a small craft
advisory may be needed. 
.friday night...northeast wind 15 to 20 knots. gusts up to
25 knots decreasing to 20 knots after midnight. chance of rain
showers through the night. waves 3 to 5 feet. waves occasionally
to 7 feet. a small craft advisory may be needed. 

$$

fzus53 kdlh 211302
nshdlh
expires:202605211600;;401182

nearshore marine forecast
national weather service duluth mn
802 am cdt thu may 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-
802 am cdt thu may 21 2026

.today...northeast wind 10 to 15 knots. gusts up to 20 knots late
in the afternoon. mostly sunny. waves 1 to 3 feet. 
.tonight...northeast wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots early in the morning. partly cloudy in
the evening then becoming mostly cloudy. waves 1 to 3 feet. 
.friday...northeast wind 15 to 20 knots. mostly sunny. waves 1 to
3 feet building to 2 to 4 feet late in the afternoon. 
.friday night...northeast wind 10 to 15 knots. gusts up to
20 knots in the evening. slight chance of rain showers in the
evening, then rain showers likely after midnight. waves 3 to
5 feet. a small craft advisory may be needed. 

$$

fzus53 kdlh 211302
nshdlh
expires:202605211600;;401185

nearshore marine forecast
national weather service duluth mn
802 am cdt thu may 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-
802 am cdt thu may 21 2026

.today...southeast wind 5 knots becoming northeast 10 to 15 knots
with gusts to around 20 knots in the afternoon. mostly sunny.
waves 1 to 2 feet. 
.tonight...northeast wind 10 to 15 knots with gusts to around
20 knots becoming south 5 knots after midnight. partly cloudy in
the evening then becoming mostly cloudy. waves 1 to 3 feet. 
.friday...northeast wind 15 to 20 knots. mostly sunny. waves 1 to
2 feet building to 2 to 4 feet late in the afternoon. 
.friday night...east wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots early in the morning. slight chance of
rain showers in the evening, then rain showers likely after
midnight. waves 2 to 4 feet subsiding to 1 to 2 feet in the late
evening and overnight. a small craft advisory may be needed. 

$$

fzus53 kdlh 211302
nshdlh
expires:202605211600;;401176

nearshore marine forecast
national weather service duluth mn
802 am cdt thu may 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-
802 am cdt thu may 21 2026

.today...east wind 5 to 10 knots. sunny. waves 1 foot or less. 
.tonight...northeast wind 5 to 10 knots. partly cloudy in the
evening then becoming mostly cloudy. waves 1 to 2 feet. 
.friday...northeast wind 15 to 20 knots with gusts to around
25 knots. mostly sunny. waves 1 to 3 feet building to 2 to 4 feet
late in the afternoon. a small craft advisory may be needed. 
.friday night...east wind 15 to 20 knots. gusts up to 25 knots
decreasing to 20 knots after midnight. chance of rain showers
after midnight. waves 3 to 5 feet. a small craft advisory may be
needed. 

$$

fzus53 kdlh 211302
nshdlh
expires:202605211600;;401177

nearshore marine forecast
national weather service duluth mn
802 am cdt thu may 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-
802 am cdt thu may 21 2026

.today...east wind 5 to 10 knots. mostly sunny. waves 1 foot or
less. 
.tonight...northeast wind 5 to 10 knots. partly cloudy in the
evening then becoming mostly cloudy. waves 1 to 2 feet. 
.friday...east wind 15 to 20 knots with gusts to around 25 knots.
mostly sunny. waves 1 to 3 feet building to 3 to 5 feet late in
the afternoon. a small craft advisory may be needed. 
.friday night...east wind 15 to 20 knots. gusts up to 30 knots
decreasing to 20 knots. chance of rain showers after midnight.
waves 3 to 5 feet. waves occasionally to 7 feet. a small craft
advisory may be needed. 

$$

fzus53 kdlh 211017
nshdlh
expires:202605211600;;395765

nearshore marine forecast
national weather service duluth mn
517 am cdt thu may 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-
517 am cdt thu may 21 2026

.today...northeast wind 10 to 15 knots. gusts up to 20 knots in
the afternoon. mostly sunny. waves 1 to 3 feet. 
.tonight...northeast wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots early in the morning. partly cloudy in
the evening then becoming mostly cloudy. waves 1 to 3 feet. 
.friday...northeast wind 20 to 25 knots. mostly sunny. waves 1 to
2 feet building to 3 to 5 feet in the afternoon. waves
occasionally to 7 feet. a small craft advisory may be needed. 
.friday night...northeast wind 20 to 25 knots easing to 10 to
15 knots with gusts to around 20 knots after midnight. chance of
rain showers through the night. waves 3 to 5 feet. waves
occasionally to 7 feet. a small craft advisory may be needed. 

$$

fzus53 kdlh 211017
nshdlh
expires:202605211600;;395770

nearshore marine forecast
national weather service duluth mn
517 am cdt thu may 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-
517 am cdt thu may 21 2026

.today...south wind 5 knots becoming east late in the morning,
then becoming northeast 10 to 15 knots in the afternoon. mostly
sunny. waves 1 to 2 feet. 
.tonight...east wind 5 to 10 knots becoming south after midnight.
partly cloudy in the evening then becoming mostly cloudy. waves
1 to 2 feet. 
.friday...northeast wind 10 to 15 knots with gusts to around
20 knots. mostly sunny. waves 1 to 2 feet building to 1 to 3 feet
late in the afternoon. 
.friday night...east wind 10 to 15 knots. gusts up to 20 knots
early in the evening. rain showers likely after midnight. waves
1 to 3 feet. 

$$

fzus53 kmqt 210902
nshmqt
expires:202605212000;;392636

nearshore marine forecast
national weather service marquette mi
502 am edt thu may 21 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.


lsz242-243-212000-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
502 am edt thu may 21 2026

.early this morning...south wind less than 10 knots. clear. waves
calm to 1 foot. 
.today...southeast wind less than 10 knots backing northeast 5 to
15 knots by late morning. sunny. waves building to 1 to 2 feet. 
.tonight...southeast wind 10 to 15 knots becoming 5 to 15 knots
by midnight. clear. waves 1 to 2 feet. 
.friday...east wind 5 to 15 knots increasing to 15 to 20 knots in
the afternoon. mostly sunny. waves building to 2 to 3 feet. 
.friday night...east wind 10 to 20 knots. partly cloudy in the
evening, then cloudy with a chance of rain showers after
midnight. waves subsiding to 1 to 2 feet. 

$$

fzus53 kmqt 210902
nshmqt
expires:202605212000;;392635

nearshore marine forecast
national weather service marquette mi
502 am edt thu may 21 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.


lsz240-241-212000-
saxon harbor wi to black river mi-
black river to ontonagon mi-
502 am edt thu may 21 2026 /402 am cdt thu may 21 2026/

.early this morning...south wind less than 10 knots. clear. waves
calm to 1 foot. 
.today...southeast wind less than 10 knots backing northeast 5 to
15 knots by late morning. sunny. waves building to 1 to 2 feet. 
.tonight...east wind 10 to 15 knots veering southeast 5 to
15 knots by midnight. mostly clear. waves 1 to 2 feet. 
.friday...east wind 5 to 15 knots. mostly sunny. waves building
to 2 to 3 feet. 
.friday night...east wind 5 to 15 knots. mostly cloudy. a chance
of rain showers after midnight. waves subsiding to 1 to 2 feet. 

$$