fzus53 kdlh 182043
nshdlh
expires:202605190400;;786987

nearshore marine forecast
national weather service duluth mn
343 pm cdt mon may 18 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.


lsz121-190400-
chequamegon bay-bayfield to oak point wi-
343 pm cdt mon may 18 2026

.tonight...northeast wind 10 to 15 knots. gusts up to 20 knots in
the late evening and overnight. rain showers likely in the
evening. chance of thunderstorms through the night. rain showers
after midnight. waves 1 to 2 feet. 
.tuesday...northwest wind 5 to 10 knots becoming west 10 to
15 knots with gusts to around 20 knots in the late morning and
afternoon. chance of rain showers in the morning. chance of
sprinkles in the afternoon. waves 1 foot or less. 
.tuesday night...northwest wind 5 to 10 knots. gusts up to
20 knots early in the evening. mostly cloudy in the evening then
becoming partly cloudy. waves 1 foot or less. 
.wednesday...northwest wind 5 knots becoming east in the
afternoon. sunny. waves 1 foot or less. 

$$

fzus53 kdlh 182043
nshdlh
expires:202605190400;;786978

nearshore marine forecast
national weather service duluth mn
343 pm cdt mon may 18 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.


lsz140-190400-
grand portage to grand marais mn-
343 pm cdt mon may 18 2026

...small craft advisory in effect from 9 pm cdt this evening
through tuesday afternoon...

.tonight...northeast wind 15 to 20 knots. gusts up to 20 knots
increasing to 25 knots late in the evening, then increasing to
30 knots after midnight decreasing to 25 knots late in the night.
slight chance of rain showers in the evening. slight chance of
thunderstorms through the night. rain showers after midnight.
waves 1 to 2 feet building to 2 to 4 feet in the late evening and
overnight. 
.tuesday...northwest wind 10 to 15 knots with gusts to around
25 knots easing to 5 to 10 knots with gusts to around 20 knots in
the afternoon. chance of rain showers in the morning. waves 2 to
4 feet subsiding to 1 to 3 feet in the late morning and
afternoon. 
.tuesday night...northwest wind 10 to 15 knots. gusts up to
20 knots early in the evening. mostly cloudy in the evening then
becoming partly cloudy. waves 1 to 2 feet. 
.wednesday...northwest wind 5 to 10 knots becoming south 10 to
15 knots with gusts to around 20 knots in the afternoon. sunny.
waves 1 to 2 feet. 

$$

fzus53 kdlh 182043
nshdlh
expires:202605190400;;786979

nearshore marine forecast
national weather service duluth mn
343 pm cdt mon may 18 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.


lsz141-190400-
grand marais to taconite harbor mn-
343 pm cdt mon may 18 2026

...small craft advisory in effect from 9 pm cdt this evening
through tuesday afternoon...

.tonight...northeast wind 10 to 15 knots. gusts up to 25 knots in
the late evening and early morning decreasing to 20 knots. chance
of rain showers in the evening. slight chance of thunderstorms
through the night. rain showers after midnight. waves 1 to 3 feet
building to 2 to 4 feet after midnight. 
.tuesday...northwest wind 5 to 10 knots. gusts up to 20 knots in
the afternoon. chance of rain showers in the morning. chance of
sprinkles in the afternoon. waves 1 to 3 feet subsiding to 1 to
2 feet in the late morning and afternoon. 
.tuesday night...northwest wind 5 to 10 knots. gusts up to
20 knots early in the evening. mostly cloudy in the evening then
becoming partly cloudy. waves 1 to 2 feet. 
.wednesday...west wind 5 knots becoming south in the afternoon.
sunny. waves 1 foot or less. 

$$

fzus53 kdlh 182043
nshdlh
expires:202605190400;;786980

nearshore marine forecast
national weather service duluth mn
343 pm cdt mon may 18 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.


lsz142-190400-
taconite harbor to silver bay harbor mn-
343 pm cdt mon may 18 2026

...small craft advisory in effect from 9 pm cdt this evening
through tuesday afternoon...

.tonight...northeast wind 10 to 15 knots. gusts up to 20 knots
increasing to 25 knots after midnight. chance of rain showers in
the evening. slight chance of thunderstorms through the night.
rain showers after midnight. waves 1 to 2 feet building to 2 to
4 feet after midnight. 
.tuesday...west wind 5 to 10 knots. gusts up to 20 knots in the
afternoon. chance of rain showers in the morning. chance of
sprinkles in the afternoon. waves 2 to 4 feet subsiding to 1 to
3 feet in the afternoon. 
.tuesday night...northwest wind 5 to 10 knots. gusts up to
20 knots early in the evening. mostly cloudy in the evening then
becoming partly cloudy. waves 1 to 2 feet. 
.wednesday...northwest wind 5 knots becoming west late in the
morning, then becoming south in the afternoon. sunny. waves
1 foot or less. 

$$

fzus53 kdlh 182043
nshdlh
expires:202605190400;;786981

nearshore marine forecast
national weather service duluth mn
343 pm cdt mon may 18 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.


lsz143-190400-
silver bay harbor to two harbors mn-
343 pm cdt mon may 18 2026

...small craft advisory in effect from 9 pm cdt this evening
through tuesday afternoon...

.tonight...northeast wind 10 to 15 knots. gusts up to 20 knots
late in the evening increasing to 25 knots, then decreasing to
20 knots late in the night. chance of rain showers in the
evening. chance of thunderstorms through the night. rain showers
after midnight. waves 1 to 2 feet building to 2 to 4 feet after
midnight. 
.tuesday...west wind 5 to 10 knots. gusts up to 20 knots in the
afternoon. chance of rain showers in the morning. chance of
sprinkles in the afternoon. waves 2 to 4 feet subsiding to 1 to
3 feet in the afternoon. 
.tuesday night...northwest wind 5 to 10 knots. mostly cloudy in
the evening then clearing. waves 1 to 2 feet. 
.wednesday...northwest wind 5 knots becoming southeast in the
afternoon. sunny. waves 1 foot or less. 

$$

fzus53 kdlh 182043
nshdlh
expires:202605190400;;786982

nearshore marine forecast
national weather service duluth mn
343 pm cdt mon may 18 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.


lsz144-190400-
two harbors to duluth mn-
343 pm cdt mon may 18 2026

...small craft advisory in effect from 11 pm cdt this evening
through tuesday morning...

.tonight...northeast wind 10 to 15 knots. gusts up to 20 knots
increasing to 25 knots after midnight, then decreasing to
20 knots late in the night. rain showers likely in the evening.
chance of thunderstorms through the night. rain showers after
midnight. waves 1 to 2 feet building to 2 to 4 feet after
midnight. 
.tuesday...west wind 10 to 15 knots. gusts up to 20 knots in the
late morning and afternoon. chance of rain showers in the
morning. waves 2 to 4 feet subsiding to 1 to 3 feet in the
afternoon. 
.tuesday night...northwest wind 10 to 15 knots with gusts to
around 20 knots easing to 5 knots after midnight. mostly cloudy
in the evening then clearing. waves 1 to 2 feet. 
.wednesday...west wind 5 knots becoming southeast in the
afternoon. sunny. waves 1 foot or less. 

$$

fzus53 kdlh 182043
nshdlh
expires:202605190400;;786983

nearshore marine forecast
national weather service duluth mn
343 pm cdt mon may 18 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.


lsz145-190400-
duluth mn to port wing wi-
343 pm cdt mon may 18 2026

...small craft advisory in effect from 11 pm cdt this evening
through tuesday morning...

.tonight...northeast wind 10 to 15 knots. gusts up to 20 knots
late in the evening increasing to 25 knots, then decreasing to
20 knots late in the night. rain showers likely in the evening.
chance of thunderstorms through the night. rain showers after
midnight. waves 1 to 3 feet building to 2 to 4 feet after
midnight. 
.tuesday...west wind 10 to 15 knots. gusts up to 20 knots in the
late morning and afternoon. chance of rain showers in the
morning. waves 2 to 4 feet subsiding to 1 to 3 feet in the
afternoon. 
.tuesday night...northwest wind 10 to 15 knots with gusts to
around 20 knots becoming west 5 knots after midnight. mostly
cloudy in the evening then becoming partly cloudy. waves 1 to
2 feet. 
.wednesday...west wind 5 knots becoming southeast in the
afternoon. sunny. waves 1 foot or less. 

$$

fzus53 kdlh 182043
nshdlh
expires:202605190400;;786984

nearshore marine forecast
national weather service duluth mn
343 pm cdt mon may 18 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.


lsz146-190400-
port wing to sand island wi-
343 pm cdt mon may 18 2026

...small craft advisory in effect from 11 pm cdt this evening
through tuesday morning...

.tonight...northeast wind 10 to 15 knots easing to 10 knots late
in the night. gusts up to 20 knots late in the evening increasing
to 25 knots, then decreasing to 20 knots late in the night. rain
showers likely in the evening. chance of thunderstorms through
the night. rain showers after midnight. waves 1 to 2 feet
building to 3 to 5 feet after midnight. 
.tuesday...northwest wind 5 to 10 knots becoming west with gusts
to around 20 knots in the late morning and afternoon. chance of
rain showers in the morning. chance of sprinkles in the
afternoon. waves 2 to 4 feet. 
.tuesday night...west wind 5 to 10 knots. mostly cloudy in the
evening then clearing. waves 1 to 2 feet. 
.wednesday...west wind 5 knots early in the morning becoming
variable 10 knots or less, then becoming southeast 5 knots late
in the afternoon. sunny. waves 1 foot or less. 

$$

fzus53 kdlh 182043
nshdlh
expires:202605190400;;786985

nearshore marine forecast
national weather service duluth mn
343 pm cdt mon may 18 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.


lsz147-190400-
sand island to bayfield wi-
343 pm cdt mon may 18 2026

...small craft advisory in effect from 11 pm cdt this evening
through tuesday morning...

.tonight...northeast wind 10 to 15 knots. gusts up to 25 knots in
the late evening and early morning decreasing to 20 knots. rain
showers likely in the evening. chance of thunderstorms through
the night. rain showers after midnight. waves 1 to 2 feet
building to 3 to 5 feet after midnight. 
.tuesday...north wind 5 to 10 knots becoming west with gusts to
around 20 knots in the late morning and afternoon. chance of rain
showers in the morning. chance of sprinkles in the afternoon.
waves 2 to 4 feet. 
.tuesday night...northwest wind 5 to 10 knots. mostly cloudy in
the evening then becoming partly cloudy. waves 1 to 3 feet. 
.wednesday...northwest wind 5 knots becoming southeast in the
afternoon. sunny. waves 1 foot or less. 

$$

fzus53 kdlh 182043
nshdlh
expires:202605190400;;786988

nearshore marine forecast
national weather service duluth mn
343 pm cdt mon may 18 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.


lsz148-190400-
oak point to saxon harbor wi-
343 pm cdt mon may 18 2026

...small craft advisory in effect from 9 pm cdt this evening
through tuesday afternoon...

.tonight...northeast wind 10 to 15 knots. gusts up to 25 knots in
the late evening and early morning decreasing to 20 knots. rain
showers likely in the evening. chance of thunderstorms through
the night. rain showers after midnight. waves 1 to 3 feet
building to 5 to 8 feet. waves occasionally to 10 feet. 
.tuesday...northwest wind 5 to 10 knots becoming west 10 to
15 knots with gusts to around 20 knots in the afternoon. chance
of rain showers in the morning. chance of sprinkles in the
afternoon. waves 2 to 4 feet. 
.tuesday night...northwest wind 5 to 10 knots. gusts up to
20 knots early in the evening. mostly cloudy in the evening then
becoming partly cloudy. waves 1 to 3 feet. 
.wednesday...northwest wind 5 knots becoming north late in the
morning, then becoming east in the afternoon. sunny. waves 1 foot
or less. 

$$