fzus53 kdlh 181628
nshdlh
expires:202605182200;;773787

nearshore marine forecast
national weather service duluth mn
1128 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.


lsz148-182200-
oak point to saxon harbor wi-
1128 am cdt mon may 18 2026

.rest of today...north wind 5 knots becoming northeast late.
mostly cloudy. waves 1 to 3 feet. 
.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. a small
craft advisory may be needed. 
.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 4 to 6 feet. waves occasionally to 8 feet. 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 3 feet subsiding to 1 to
2 feet in the late evening and overnight. 

$$

fzus53 kdlh 181628
nshdlh
expires:202605182200;;773783

nearshore marine forecast
national weather service duluth mn
1128 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.


lsz146-182200-
port wing to sand island wi-
1128 am cdt mon may 18 2026

.rest of today...variable winds 10 knots or less becoming
northeast 5 to 10 knots in the afternoon. mostly cloudy. waves
1 to 3 feet. 
.tonight...northeast wind 10 to 15 knots easing to 10 knots early
in the morning. 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. 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...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 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 in the
evening then clearing. waves 1 to 2 feet. 

$$

fzus53 kdlh 181628
nshdlh
expires:202605182200;;773784

nearshore marine forecast
national weather service duluth mn
1128 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.


lsz147-182200-
sand island to bayfield wi-
1128 am cdt mon may 18 2026

.rest of today...northwest wind 5 knots becoming northeast in the
afternoon. mostly cloudy. waves 1 to 3 feet. 
.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 3 to 5 feet after midnight. a small craft advisory
may be needed. 
.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 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. mostly cloudy in
the evening then becoming partly cloudy. waves 1 to 2 feet. 

$$

fzus53 kdlh 181628
nshdlh
expires:202605182200;;773786

nearshore marine forecast
national weather service duluth mn
1128 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.


lsz121-182200-
chequamegon bay-bayfield to oak point wi-
1128 am cdt mon may 18 2026

.rest of today...northeast wind 5 to 10 knots. mostly cloudy.
waves 1 to 3 feet. 
.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 3 feet building to 4 to 7 feet. waves
occasionally to 10 feet. a small craft advisory may be needed. 
.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 to 2 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 foot or less. 

$$

fzus53 kdlh 181628
nshdlh
expires:202605182200;;773777

nearshore marine forecast
national weather service duluth mn
1128 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.


lsz140-182200-
grand portage to grand marais mn-
1128 am cdt mon may 18 2026

.rest of today...northeast wind 5 to 10 knots. mostly cloudy.
waves 1 to 3 feet. 
.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 early in the
morning. slight 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...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 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 early in the evening. mostly cloudy in the evening then
becoming partly cloudy. waves 1 to 2 feet. 

$$

fzus53 kdlh 181628
nshdlh
expires:202605182200;;773778

nearshore marine forecast
national weather service duluth mn
1128 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.


lsz141-182200-
grand marais to taconite harbor mn-
1128 am cdt mon may 18 2026

.rest of today...southwest wind 5 knots becoming east early in
the afternoon, then becoming northeast late. mostly cloudy. waves
1 to 3 feet. 
.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 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 181628
nshdlh
expires:202605182200;;773779

nearshore marine forecast
national weather service duluth mn
1128 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.


lsz142-182200-
taconite harbor to silver bay harbor mn-
1128 am cdt mon may 18 2026

.rest of today...south wind 5 knots becoming east early in the
afternoon, then becoming northeast late. mostly cloudy. waves
1 to 3 feet. 
.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. a small craft advisory may be needed. 
.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 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 181628
nshdlh
expires:202605182200;;773780

nearshore marine forecast
national weather service duluth mn
1128 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.


lsz143-182200-
silver bay harbor to two harbors mn-
1128 am cdt mon may 18 2026

.rest of today...southwest wind 5 knots becoming southeast early
in the afternoon, then becoming northeast late. mostly cloudy.
waves 1 to 3 feet. 
.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. 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. a small craft advisory may be needed. 
.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. a small craft
advisory may be needed. 
.tuesday night...northwest wind 5 to 10 knots. mostly cloudy in
the evening then clearing. waves 1 to 2 feet. 

$$

fzus53 kdlh 181628
nshdlh
expires:202605182200;;773781

nearshore marine forecast
national weather service duluth mn
1128 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.


lsz144-182200-
two harbors to duluth mn-
1128 am cdt mon may 18 2026

.rest of today...southwest wind 5 knots becoming southeast early
in the afternoon, then becoming northeast late. mostly cloudy.
waves 1 to 3 feet. 
.tonight...northeast wind 10 to 15 knots. gusts up to 20 knots
increasing to 25 knots after midnight, then decreasing to
20 knots early in the morning. 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 in the
late evening and overnight. a small craft advisory may be needed.
.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. 
.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. 

$$

fzus53 kdlh 181628
nshdlh
expires:202605182200;;773782

nearshore marine forecast
national weather service duluth mn
1128 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.


lsz145-182200-
duluth mn to port wing wi-
1128 am cdt mon may 18 2026

.rest of today...south wind 5 knots becoming northeast in the
afternoon. mostly cloudy. waves 1 to 3 feet. 
.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. 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. a small craft advisory may be needed.
.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. 
.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
3 feet. 

$$

fzus53 kmqt 181502
nshmqt
expires:202605182000;;770913

nearshore marine forecast
national weather service marquette mi
1102 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-
1102 am edt mon may 18 2026

.rest of today...northwest wind less than 10 knots veering
northeast 10 to 15 knots late. cloudy. patchy fog through the
day. a slight chance of rain showers late. waves 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 181502
nshmqt
expires:202605182000;;770912

nearshore marine forecast
national weather service marquette mi
1102 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-
1102 am edt mon may 18 2026 /1002 am cdt mon may 18 2026/

.rest of today...north wind less than 10 knots veering northeast
late. cloudy with a slight chance of rain showers. patchy fog.
waves 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. 

$$