fzus53 kdlh 181118
nshdlh
expires:202605181600;;764344

nearshore marine forecast
national weather service duluth mn
617 am 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.


lsz148-181600-
oak point to saxon harbor wi-
617 am cdt mon may 18 2026

...small craft advisory in effect until 10 am cdt this morning...

.today...north wind 5 knots becoming northeast in the afternoon.
chance of rain showers early in the morning. waves 1 to 3 feet. 
.tonight...northeast wind 15 to 20 knots. gusts up to 25 knots in
the late evening and early morning decreasing to 20 knots. rain
showers likely in the evening. slight 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. a small
craft advisory may be needed. 
.tuesday...north wind 10 to 15 knots with gusts to around
20 knots becoming northwest with gusts to around 20 knots in the
late morning and afternoon. chance of rain showers in the
morning. waves 4 to 6 feet. waves occasionally to 8 feet. a small
craft advisory may be needed. 
.tuesday night...northwest wind 10 to 15 knots with gusts to
around 20 knots easing to 5 knots after midnight. mostly cloudy.
waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening
and overnight. 

$$

fzus53 kdlh 181118
nshdlh
expires:202605181600;;764340

nearshore marine forecast
national weather service duluth mn
617 am 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.


lsz146-181600-
port wing to sand island wi-
617 am cdt mon may 18 2026

...small craft advisory in effect until 10 am cdt this morning...

.today...northeast wind 5 to 10 knots. chance of rain showers
early in the morning, then slight chance of rain showers late in
the morning. waves 2 to 4 feet subsiding to 1 to 2 feet in the
afternoon. 
.tonight...northeast wind 10 to 15 knots. gusts up to 25 knots.
rain showers likely in the evening. slight chance of
thunderstorms through the night. rain showers after midnight.
waves 1 to 2 feet building to 3 to 5 feet after midnight. a small
craft advisory may be needed. 
.tuesday...north wind 5 to 10 knots with gusts to around 20 knots
becoming west with gusts to around 20 knots in the late morning
and afternoon. chance of rain showers in the morning. waves 3 to
5 feet subsiding to 1 to 3 feet late in the afternoon. a small
craft advisory may be needed. 
.tuesday night...west wind 5 to 10 knots. mostly cloudy. waves
1 to 2 feet. 

$$

fzus53 kdlh 181118
nshdlh
expires:202605181600;;764341

nearshore marine forecast
national weather service duluth mn
617 am 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.


lsz147-181600-
sand island to bayfield wi-
617 am cdt mon may 18 2026

...small craft advisory in effect until 10 am cdt this morning...

.today...north wind 5 knots becoming east late in the afternoon.
chance of rain showers early in the morning, then slight chance
of rain showers late in the morning. waves 2 to 4 feet subsiding
to 1 to 2 feet in the afternoon. 
.tonight...northeast wind 15 to 20 knots with gusts to around
25 knots. rain showers likely in the evening. slight chance of
thunderstorms through the night. rain showers after midnight.
waves 1 to 3 feet building to 3 to 5 feet after midnight. a small
craft advisory may be needed. 
.tuesday...north wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots with gusts to around
20 knots in the late morning and afternoon. chance of rain
showers in the morning. waves 3 to 5 feet subsiding to 1 to
3 feet late in the afternoon. a small craft advisory may be
needed. 
.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. 

$$

fzus53 kdlh 181118
nshdlh
expires:202605181600;;764343

nearshore marine forecast
national weather service duluth mn
617 am 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.


lsz121-181600-
chequamegon bay-bayfield to oak point wi-
617 am cdt mon may 18 2026

.today...north wind 5 knots becoming northeast in the afternoon.
chance of rain showers early in the morning. waves 1 foot or
less. 
.tonight...northeast wind 15 to 20 knots. gusts up to 25 knots in
the late evening and early morning decreasing to 20 knots. rain
showers likely in the evening. slight chance of thunderstorms
through the night. rain showers after midnight. waves 1 to
2 feet. 
.tuesday...north wind 10 to 15 knots with gusts to around
20 knots becoming northwest with gusts to around 20 knots in the
late morning and afternoon. chance of rain showers in the
morning. waves 1 to 2 feet. 
.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 becoming partly cloudy. waves 1 foot or less.

$$

fzus53 kdlh 181118
nshdlh
expires:202605181600;;764334

nearshore marine forecast
national weather service duluth mn
617 am 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.


lsz140-181600-
grand portage to grand marais mn-
617 am cdt mon may 18 2026

...small craft advisory in effect until 10 am cdt this morning...

.today...northeast wind 10 to 15 knots. gusts up to 20 knots in
the late morning and early afternoon. chance of rain showers and
slight chance of thunderstorms early in the morning, then slight
chance of rain showers late in the morning. waves 2 to 4 feet
subsiding to 1 to 3 feet late in the afternoon. 
.tonight...northeast wind 15 to 20 knots. gusts up to 25 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 4 to 6 feet in the late evening and
overnight. waves occasionally to 8 feet. a small craft advisory
may be needed. 
.tuesday...north wind 20 to 25 knots becoming northwest 10 to
15 knots with gusts to around 20 knots in the afternoon. chance
of rain showers in the morning. waves 4 to 6 feet subsiding to
1 to 2 feet. waves occasionally to 8 feet. a small craft advisory
may be needed. 
.tuesday night...northwest wind 10 to 15 knots. gusts up to
20 knots in the evening. mostly cloudy in the evening then
becoming partly cloudy. waves 1 to 2 feet. 

$$

fzus53 kdlh 181118
nshdlh
expires:202605181600;;764335

nearshore marine forecast
national weather service duluth mn
617 am 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.


lsz141-181600-
grand marais to taconite harbor mn-
617 am cdt mon may 18 2026

...small craft advisory in effect until 10 am cdt this morning...

.today...northeast wind 5 to 10 knots becoming west late in the
morning, then becoming southeast early in the afternoon becoming
northeast late in the afternoon. chance of rain showers and
slight chance of thunderstorms early in the morning, then slight
chance of rain showers late in the morning. waves 2 to 4 feet
subsiding to 1 to 3 feet in the afternoon. 
.tonight...northeast wind 10 to 15 knots. gusts up to 20 knots
after midnight. chance of rain showers and slight chance of
thunderstorms in the evening, then rain showers after midnight.
waves 1 to 3 feet building to 2 to 4 feet after midnight. 
.tuesday...north wind 5 to 10 knots becoming northwest in the
afternoon. gusts up to 20 knots. 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 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. 

$$

fzus53 kdlh 181118
nshdlh
expires:202605181600;;764336

nearshore marine forecast
national weather service duluth mn
617 am 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.


lsz142-181600-
taconite harbor to silver bay harbor mn-
617 am cdt mon may 18 2026

...small craft advisory in effect until 10 am cdt this morning...

.today...north wind 5 to 10 knots becoming northwest late in the
morning, then becoming southeast early in the afternoon becoming
northeast late in the afternoon. chance of rain showers and
slight chance of thunderstorms early in the morning, then slight
chance of rain showers late in the morning. waves 2 to 4 feet
subsiding to 1 to 3 feet in the afternoon. 
.tonight...northeast wind 10 to 15 knots with gusts to around
20 knots. 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. a small
craft advisory may be needed. 
.tuesday...northwest wind 5 to 10 knots. gusts up to 20 knots
late in the afternoon. chance of rain showers in the morning.
waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon.
a small craft advisory may be needed. 
.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. 

$$

fzus53 kdlh 181118
nshdlh
expires:202605181600;;764337

nearshore marine forecast
national weather service duluth mn
617 am 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.


lsz143-181600-
silver bay harbor to two harbors mn-
617 am cdt mon may 18 2026

...small craft advisory in effect until 10 am cdt this morning...

.today...northeast wind 5 to 10 knots. chance of rain showers and
slight chance of thunderstorms early in the morning, then slight
chance of rain showers late in the morning. waves 2 to 4 feet
subsiding to 1 to 3 feet in the 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 early in the morning. rain showers likely 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. a small craft advisory may be needed. 
.tuesday...north wind 5 to 10 knots becoming northwest in the
late morning and afternoon. chance of rain showers in the
morning. waves 2 to 4 feet. a small craft advisory may be needed.
.tuesday night...northwest wind 5 to 10 knots. mostly cloudy in
the evening then becoming partly cloudy. waves 1 to 2 feet. 

$$

fzus53 kdlh 181118
nshdlh
expires:202605181600;;764338

nearshore marine forecast
national weather service duluth mn
617 am 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.


lsz144-181600-
two harbors to duluth mn-
617 am cdt mon may 18 2026

...small craft advisory in effect until 10 am cdt this morning...

.today...northeast wind 5 to 10 knots. chance of rain showers
early in the morning. waves 2 to 4 feet subsiding to 1 to 3 feet
in the 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 early in the morning. rain showers likely 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 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. 
.tuesday night...northwest wind 10 to 15 knots with gusts to
around 20 knots easing to 5 knots after midnight. mostly cloudy.
waves 1 to 2 feet. 

$$

fzus53 kdlh 181118
nshdlh
expires:202605181600;;764339

nearshore marine forecast
national weather service duluth mn
617 am 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.


lsz145-181600-
duluth mn to port wing wi-
617 am cdt mon may 18 2026

...small craft advisory in effect until 10 am cdt this morning...

.today...northeast wind 5 to 10 knots. chance of rain showers
early in the morning. waves 2 to 4 feet subsiding to 1 to 2 feet
in the 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 early in the morning. rain showers likely in the
evening. slight chance of thunderstorms through the night. rain
showers after midnight. waves 1 to 2 feet building to 3 to 5 feet
in the late evening and overnight. a small craft advisory may be
needed. 
.tuesday...north wind 10 to 15 knots becoming west in the late
morning and afternoon. gusts up to 20 knots. chance of rain
showers in the morning. waves 2 to 4 feet. 
.tuesday night...northwest wind 10 to 15 knots with gusts to
around 20 knots becoming west 5 knots after midnight. mostly
cloudy. waves 1 to 2 feet. 

$$

fzus53 kmqt 180907
nshmqt
expires:202605182000;;759397

nearshore marine forecast
national weather service marquette mi
506 am edt mon may 18 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.


lsz242-243-182000-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
506 am edt mon may 18 2026

.early this morning...southeast wind 10 to 15 knots. rain showers
and a chance of thunderstorms. patchy fog. waves 2 to 3 feet. 
.today...southwest wind less than 10 knots veering northwest by
late morning, then veering northeast 10 to 15 knots late. cloudy.
a slight chance of rain showers through mid morning. a slight
chance of rain showers late. patchy fog through the day. waves
subsiding to 1 to 2 feet. 
.tonight...northeast wind 10 to 20 knots. a chance of rain
showers and a slight chance of thunderstorms through late
evening, then rain showers and a slight chance of thunderstorms
by midnight. patchy fog through the night. waves building to 3 to
6 feet occasionally to 8 feet. 
.tuesday...northwest wind 20 to 25 knots backing west 15 to
20 knots in the afternoon. cloudy. rain showers likely in the
morning. patchy fog in the morning. waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 2 to 4 feet. 
.tuesday night...northwest wind 10 to 20 knots. mostly cloudy in
the evening then becoming partly cloudy. waves subsiding to 1 to
2 feet. 

$$

fzus53 kmqt 180907
nshmqt
expires:202605182000;;759396

nearshore marine forecast
national weather service marquette mi
506 am edt mon may 18 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.


lsz240-241-182000-
saxon harbor wi to black river mi-
black river to ontonagon mi-
506 am edt mon may 18 2026 /406 am cdt mon may 18 2026/

.early this morning...east wind less than 10 knots. cloudy with a
chance of rain showers and a slight chance of thunderstorms.
patchy fog. waves 2 to 4 feet subsiding to 2 to 3 feet. 
.today...northwest wind less than 10 knots veering northeast
late. cloudy with a slight chance of rain showers. patchy fog.
waves subsiding to 1 to 2 feet. 
.tonight...northeast wind 10 to 20 knots. a chance of rain
showers and a slight chance of thunderstorms through late
evening, then rain showers and a slight chance of thunderstorms
by midnight. patchy fog through the night. waves building to 4 to
7 feet occasionally to 9 feet. 
.tuesday...northwest wind 10 to 20 knots backing west 10 to
15 knots in the afternoon. cloudy. a chance of rain showers in
the morning. waves subsiding to 2 to 3 feet. 
.tuesday night...northwest wind less than 10 knots with gusts up
to 18 knots. mostly cloudy in the evening then becoming partly
cloudy. waves subsiding to 1 to 2 feet. 

$$