fzus53 kdlh 220446
nshdlh
expires:202605221000;;435191

nearshore marine forecast
national weather service duluth mn
1146 pm 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.


lsz148-221000-
oak point to saxon harbor wi-
1146 pm cdt thu may 21 2026

.rest of tonight...northwest wind 5 to 10 knots becoming south
after midnight, then becoming southeast toward daybreak. partly
cloudy late 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. partly 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 10 to 15 knots. gusts up to 20 knots
early in the evening. slight chance of rain showers in the
evening, then chance of rain showers after midnight. waves 2 to
4 feet subsiding to 1 to 3 feet after midnight. a small craft
advisory may be needed. 
.saturday...east wind 5 to 10 knots. rain showers likely in the
morning, then chance of rain showers in the afternoon. waves 1 to
2 feet. 

$$

fzus53 kdlh 220446
nshdlh
expires:202605221000;;435187

nearshore marine forecast
national weather service duluth mn
1146 pm 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.


lsz146-221000-
port wing to sand island wi-
1146 pm cdt thu may 21 2026

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

$$

fzus53 kdlh 220446
nshdlh
expires:202605221000;;435188

nearshore marine forecast
national weather service duluth mn
1146 pm 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.


lsz147-221000-
sand island to bayfield wi-
1146 pm cdt thu may 21 2026

.rest of tonight...east wind 5 to 10 knots easing to 5 knots
toward daybreak. partly cloudy late 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. partly 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 with gusts to around
25 knots easing to 5 to 10 knots after midnight. slight chance of
rain showers in the evening, then 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. 
.saturday...east wind 5 to 10 knots. rain showers in the morning,
then chance of rain showers in the afternoon. waves 1 to 2 feet. 

$$

fzus53 kdlh 220446
nshdlh
expires:202605221000;;435190

nearshore marine forecast
national weather service duluth mn
1146 pm 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.


lsz121-221000-
chequamegon bay-bayfield to oak point wi-
1146 pm cdt thu may 21 2026

.rest of tonight...north wind 5 to 10 knots becoming southeast
after midnight, then becoming variable 10 knots or less toward
daybreak. partly cloudy late 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. partly 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 10 to 15 knots. gusts up to 20 knots
early in the evening. slight chance of rain showers in the
evening, then rain showers likely after midnight. waves 1 to
2 feet. 
.saturday...east wind 5 to 10 knots. rain showers likely in the
morning, then chance of rain showers in the afternoon. waves 1 to
2 feet. 

$$

fzus53 kdlh 220446
nshdlh
expires:202605221000;;435181

nearshore marine forecast
national weather service duluth mn
1146 pm 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.


lsz140-221000-
grand portage to grand marais mn-
1146 pm cdt thu may 21 2026

.rest of tonight...northeast wind 5 to 10 knots. mostly cloudy.
waves 1 to 2 feet. 
.friday...northeast wind 15 to 20 knots with gusts to around
30 knots. mostly sunny. waves 1 to 2 feet building to 1 to 3 feet
late in the afternoon. 
.friday night...northeast wind 15 to 20 knots. gusts up to
30 knots decreasing to 20 knots. slight chance of rain showers
after midnight. waves 3 to 5 feet. a small craft advisory may be
needed. 
.saturday...northeast wind 10 to 15 knots. gusts up to 20 knots
until late afternoon. rain showers. waves 2 to 4 feet subsiding
to 1 to 3 feet late in the afternoon. 

$$

fzus53 kdlh 220446
nshdlh
expires:202605221000;;435182

nearshore marine forecast
national weather service duluth mn
1146 pm 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.


lsz141-221000-
grand marais to taconite harbor mn-
1146 pm cdt thu may 21 2026

.rest of tonight...northeast wind 5 to 10 knots. mostly cloudy.
waves 1 to 2 feet. 
.friday...east wind 20 to 25 knots with gusts to around 30 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 20 to 25 knots with gusts to around
30 knots becoming northeast 10 to 15 knots with gusts to around
20 knots after midnight. rain showers likely after midnight.
waves 3 to 5 feet. waves occasionally to 7 feet. a small craft
advisory may be needed. 
.saturday...northeast wind 10 to 15 knots with gusts to around
20 knots. rain showers in the morning, then chance of rain
showers in the afternoon. waves 2 to 4 feet subsiding to 1 to
3 feet late in the afternoon. 

$$

fzus53 kdlh 220446
nshdlh
expires:202605221000;;435183

nearshore marine forecast
national weather service duluth mn
1146 pm 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.


lsz142-221000-
taconite harbor to silver bay harbor mn-
1146 pm cdt thu may 21 2026

.rest of tonight...northeast wind 5 to 10 knots. mostly cloudy.
waves 1 to 2 feet. 
.friday...northeast wind 15 to 20 knots with gusts to around
30 knots. partly 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. gusts up to
30 knots decreasing to 20 knots. slight chance of rain showers in
the evening, then rain showers after midnight. waves 3 to 5 feet.
waves occasionally to 7 feet. a small craft advisory may be
needed. 
.saturday...northeast wind 10 to 15 knots. gusts up to 20 knots
until late afternoon. rain showers in the morning, then slight
chance of rain showers in the afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet in the afternoon. 

$$

fzus53 kdlh 220446
nshdlh
expires:202605221000;;435184

nearshore marine forecast
national weather service duluth mn
1146 pm 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.


lsz143-221000-
silver bay harbor to two harbors mn-
1146 pm cdt thu may 21 2026

.rest of tonight...northeast wind 10 to 15 knots easing to
5 knots toward daybreak. mostly cloudy. waves 1 to 2 feet. 
.friday...northeast wind 5 to 10 knots with gusts to around
20 knots rising to 15 to 20 knots with gusts to around 30 knots
in the late morning and afternoon. partly 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
30 knots decreasing to 20 knots. slight chance of rain showers in
the evening, then rain showers after midnight. waves 3 to 5 feet.
waves occasionally to 7 feet. a small craft advisory may be
needed. 
.saturday...northeast wind 10 to 15 knots with gusts to around
20 knots. chance of rain showers in the morning, then slight
chance of rain showers in the afternoon. waves 1 to 3 feet. 

$$

fzus53 kdlh 220446
nshdlh
expires:202605221000;;435185

nearshore marine forecast
national weather service duluth mn
1146 pm 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.


lsz144-221000-
two harbors to duluth mn-
1146 pm cdt thu may 21 2026

.rest of tonight...northeast wind 5 to 10 knots. mostly cloudy.
waves 1 to 3 feet. 
.friday...northeast wind 5 to 10 knots with gusts to around
20 knots rising to 20 to 25 knots with gusts to around 30 knots
in the late morning and afternoon. mostly sunny in the morning
then becoming mostly cloudy. waves 1 to 3 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 with gusts to
around 30 knots easing to 10 to 15 knots with gusts to around
20 knots after midnight. slight chance of rain showers in the
evening, then rain showers after midnight. waves 4 to 6 feet
subsiding to 2 to 4 feet early in the morning. waves occasionally
to 7 feet. a small craft advisory may be needed. 
.saturday...northeast wind 10 to 15 knots with gusts to around
20 knots. rain showers likely in the morning, then chance of rain
showers in the afternoon. waves 1 to 3 feet. 

$$

fzus53 kdlh 220446
nshdlh
expires:202605221000;;435186

nearshore marine forecast
national weather service duluth mn
1146 pm 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.


lsz145-221000-
duluth mn to port wing wi-
1146 pm cdt thu may 21 2026

.rest of tonight...northeast wind 5 to 10 knots. mostly cloudy.
waves 1 to 3 feet. 
.friday...northeast wind 5 to 10 knots rising to 20 to 25 knots
with gusts to around 30 knots in the late morning and afternoon.
partly sunny. waves 1 to 3 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 with gusts to
around 30 knots easing to 10 to 15 knots with gusts to around
20 knots after midnight. slight chance of rain showers in the
evening, then rain showers after midnight. waves 4 to 6 feet
subsiding to 2 to 4 feet early in the morning. waves occasionally
to 7 feet. a small craft advisory may be needed. 
.saturday...northeast wind 10 to 15 knots with gusts to around
20 knots. rain showers likely in the morning, then chance of rain
showers in the afternoon. waves 1 to 3 feet. 

$$

fzus53 kmqt 220301
nshmqt
expires:202605220800;;431992

nearshore marine forecast
national weather service marquette mi
1100 pm 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.


lsz242-220800-
ontonagon to upper entrance of portage canal mi-
1100 pm edt thu may 21 2026

.rest of tonight...southeast wind less than 10 knots. partly
cloudy by midnight then becoming mostly cloudy. waves calm to
1 foot. 
.friday...east wind 10 to 20 knots. mostly sunny. waves building
to 1 to 2 feet. 
.friday night...east wind 10 to 20 knots. cloudy. a slight chance
of rain showers after midnight. waves building to 2 to 3 feet,
then subsiding to 1 to 2 feet. 
.saturday...east wind 5 to 15 knots. cloudy. rain showers likely
in the morning, then a chance of rain showers in the afternoon.
waves 1 to 2 feet. 

$$

fzus53 kmqt 220301
nshmqt
expires:202605220800;;431990

nearshore marine forecast
national weather service marquette mi
1100 pm 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.


lsz240-241-220800-
saxon harbor wi to black river mi-
black river to ontonagon mi-
1100 pm edt thu may 21 2026 /1000 pm cdt thu may 21 2026/

.rest of tonight...southeast wind less than 10 knots. partly
cloudy by midnight then becoming cloudy. waves 1 to 2 feet. 
.friday...east wind less than 10 knots increasing to 10 to
15 knots by late morning. partly cloudy. waves building to 2 to
3 feet. 
.friday night...east wind 5 to 15 knots. cloudy. a chance of rain
showers after midnight. waves subsiding to 1 to 2 feet. 
.saturday...east wind less than 10 knots. mostly cloudy. rain
showers likely in the morning, then a chance of rain showers in
the afternoon. waves calm to 1 foot. 

$$