fzus53 kdlh 171823
nshdlh
expires:202605172200;;721648

nearshore marine forecast
national weather service duluth mn
123 pm cdt sun may 17 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.


lsz147-172200-
sand island to bayfield wi-
123 pm cdt sun may 17 2026

...small craft advisory in effect until 1 am cdt monday...

.rest of today...northeast wind 20 to 25 knots. gusts up to
30 knots increasing to 35 knots late. mostly cloudy. waves 4 to
6 feet building to 6 to 9 feet late. waves occasionally to
12 feet. 
.tonight...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. chance of rain showers in the evening. chance of
thunderstorms through the night. rain showers after midnight.
waves 7 to 10 feet subsiding to 4 to 7 feet after midnight. waves
occasionally to 12 feet. 
.monday...northwest wind 5 knots becoming east late in the
afternoon. chance of rain showers and slight chance of
thunderstorms in the morning, then slight chance of rain showers
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. 
.monday night...northeast wind 15 to 20 knots with gusts to
around 30 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 4 to 7 feet in the late
evening and overnight. waves occasionally to 9 feet. a small
craft advisory may be needed. 

$$

fzus53 kdlh 171823
nshdlh
expires:202605172200;;721645

nearshore marine forecast
national weather service duluth mn
123 pm cdt sun may 17 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.


lsz144-172200-
two harbors to duluth mn-
123 pm cdt sun may 17 2026

...gale warning in effect until 10 pm cdt this evening...

.rest of today...northeast wind up to 30 knots with gales to
around 35 knots. mostly cloudy. waves 7 to 10 feet. waves
occasionally to 13 feet. 
.tonight...northeast wind up to 30 knots with gales to around
35 knots easing to 10 to 15 knots with gusts to around 20 knots
early in the morning. chance of rain showers in the evening.
chance of thunderstorms through the night. rain showers after
midnight. waves 8 to 11 feet subsiding to 4 to 7 feet early in
the morning. waves occasionally to 14 feet. 
.monday...northeast wind 5 knots becoming southwest 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 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. 
.monday night...northeast wind 15 to 20 knots. gusts up to
20 knots increasing to 30 knots in the late evening and
overnight. rain showers likely in the evening. slight chance of
thunderstorms through the night. rain showers after midnight.
waves 1 to 3 feet building to 4 to 7 feet. waves occasionally to
9 feet. a small craft advisory may be needed. 

$$

fzus53 kdlh 171823
nshdlh
expires:202605172200;;721646

nearshore marine forecast
national weather service duluth mn
123 pm cdt sun may 17 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.


lsz145-172200-
duluth mn to port wing wi-
123 pm cdt sun may 17 2026

...gale warning in effect until 10 pm cdt this evening...

.rest of today...northeast wind up to 30 knots with gales to
around 35 knots. mostly cloudy. waves 7 to 10 feet. waves
occasionally to 13 feet. 
.tonight...northeast wind up to 30 knots with gales to around
40 knots easing to 10 to 15 knots with gusts to around 20 knots
early in the morning. chance of rain showers in the evening.
chance of thunderstorms through the night. rain showers after
midnight. waves 8 to 11 feet subsiding to 4 to 6 feet early in
the morning. waves occasionally to 14 feet. 
.monday...northeast wind 5 to 10 knots becoming north late in the
morning, then becoming northeast in the afternoon. slight chance
of thunderstorms in the morning. slight chance of rain showers
through the day. waves 3 to 5 feet subsiding to 1 to 3 feet in
the afternoon. a small craft advisory may be needed. 
.monday night...northeast wind 20 to 25 knots with gusts to
around 30 knots. rain showers likely in the evening. slight
chance of thunderstorms through the night. rain showers after
midnight. waves 3 to 5 feet building to 5 to 8 feet after
midnight. waves occasionally to 10 feet. a small craft advisory
may be needed. 

$$

fzus53 kdlh 171823
nshdlh
expires:202605172200;;721647

nearshore marine forecast
national weather service duluth mn
123 pm cdt sun may 17 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.


lsz146-172200-
port wing to sand island wi-
123 pm cdt sun may 17 2026

...small craft advisory in effect until 1 am cdt monday...

.rest of today...northeast wind 20 to 25 knots with gusts to
around 30 knots. mostly cloudy. waves 4 to 6 feet building to
6 to 9 feet late. waves occasionally to 12 feet. 
.tonight...northeast wind 20 to 25 knots with gusts to around
30 knots easing to 10 to 15 knots early in the morning. chance of
rain showers in the evening. chance of thunderstorms through the
night. rain showers after midnight. waves 7 to 10 feet subsiding
to 4 to 6 feet. waves occasionally to 13 feet. 
.monday...north wind 5 to 10 knots becoming northwest late in the
morning, then becoming southwest early in the afternoon becoming
east late in the afternoon. chance of rain showers and slight
chance of thunderstorms in the morning, then slight chance of
rain showers 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. 
.monday night...east wind 10 to 15 knots with gusts to around
25 knots becoming northeast 20 to 25 knots with gusts to around
30 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 4 to 6 feet. waves
occasionally to 8 feet. a small craft advisory may be needed. 

$$

fzus53 kdlh 171823
nshdlh
expires:202605172200;;721650

nearshore marine forecast
national weather service duluth mn
123 pm cdt sun may 17 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.


lsz121-172200-
chequamegon bay-bayfield to oak point wi-
123 pm cdt sun may 17 2026

...small craft advisory in effect until 10 pm cdt this evening...

.rest of today...northeast wind 20 to 25 knots with gusts to
around 30 knots. mostly cloudy. 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. chance of rain
showers in the evening. chance of thunderstorms through the
night. rain showers after midnight. waves 1 to 3 feet. 
.monday...northwest wind 5 knots becoming northeast in the
afternoon. chance of rain showers and slight chance of
thunderstorms in the morning, then slight chance of rain showers
in the afternoon. waves 1 foot or less. 
.monday night...northeast wind 15 to 20 knots with gusts to
around 30 knots. chance of rain showers and slight chance of
thunderstorms in the evening, then rain showers and chance of
thunderstorms after midnight. waves 1 to 3 feet. 

$$

fzus53 kdlh 171823
nshdlh
expires:202605172200;;721641

nearshore marine forecast
national weather service duluth mn
123 pm cdt sun may 17 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.


lsz140-172200-
grand portage to grand marais mn-
123 pm cdt sun may 17 2026

...small craft advisory in effect through monday morning...

.rest of today...northeast wind 20 to 25 knots with gusts to
around 30 knots. partly sunny. waves 4 to 7 feet. waves
occasionally to 10 feet. 
.tonight...northeast wind 20 to 25 knots. gusts up to 30 knots
decreasing to 25 knots early in the morning. slight chance of
showers and thunderstorms in the evening, then rain showers and
chance of thunderstorms after midnight. waves 4 to 7 feet. waves
occasionally to 9 feet. 
.monday...northeast wind 10 to 15 knots with gusts to around
20 knots. chance of showers and thunderstorms in the morning.
waves 3 to 5 feet. waves occasionally to 7 feet. 
.monday night...northeast wind 20 to 25 knots with gales to
around 35 knots. rain showers after midnight. waves 5 to 8 feet.
waves occasionally to 10 feet. a gale warning may be needed. 

$$

fzus53 kdlh 171823
nshdlh
expires:202605172200;;721642

nearshore marine forecast
national weather service duluth mn
123 pm cdt sun may 17 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.


lsz141-172200-
grand marais to taconite harbor mn-
123 pm cdt sun may 17 2026

...gale warning in effect until 10 pm cdt this evening...

.rest of today...northeast wind 20 to 25 knots. gusts up to
30 knots increasing to 35 knots late. partly sunny. waves 4 to
6 feet building to 6 to 9 feet late. waves occasionally to
11 feet. 
.tonight...northeast wind 20 to 25 knots with gales to around
35 knots easing to 10 to 15 knots with gusts to around 25 knots
early in the morning. chance of rain showers in the evening.
chance of thunderstorms through the night. rain showers after
midnight. waves 6 to 9 feet subsiding to 4 to 7 feet early in the
morning. waves occasionally to 12 feet. 
.monday...northeast wind 5 to 10 knots becoming northwest late in
the morning, then becoming west early in the afternoon becoming
northeast late in the afternoon. chance of showers and
thunderstorms 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. 
.monday night...northeast wind 15 to 20 knots with gusts to
around 30 knots. slight chance of rain showers in the evening,
then rain showers after midnight. waves 1 to 3 feet building to
3 to 5 feet after midnight. waves occasionally to 7 feet. a small
craft advisory may be needed. 

$$

fzus53 kdlh 171823
nshdlh
expires:202605172200;;721643

nearshore marine forecast
national weather service duluth mn
123 pm cdt sun may 17 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.


lsz142-172200-
taconite harbor to silver bay harbor mn-
123 pm cdt sun may 17 2026

...gale warning in effect until 10 pm cdt this evening...

.rest of today...northeast wind 20 to 25 knots. gusts up to
30 knots increasing to 35 knots late. partly sunny. waves 4 to
7 feet building to 7 to 10 feet late. waves occasionally to
12 feet. 
.tonight...northeast wind 20 to 25 knots with gales to around
35 knots easing to 10 to 15 knots with gusts to around 20 knots
early in the morning. chance of rain showers in the evening.
chance of thunderstorms through the night. rain showers likely
after midnight. waves 7 to 10 feet subsiding to 4 to 7 feet early
in the morning. waves occasionally to 13 feet. 
.monday...north wind 5 knots becoming west late in the morning,
then becoming variable 10 knots or less in the afternoon. chance
of showers and thunderstorms in the morning. waves 3 to 5 feet
subsiding to 1 to 3 feet late in the afternoon. waves
occasionally to 7 feet. a small craft advisory may be needed. 
.monday night...northeast wind 10 to 15 knots with gusts to
around 25 knots. chance of rain showers in the evening, then rain
showers after midnight. waves 1 to 2 feet building to 3 to 5 feet
after midnight. waves occasionally to 7 feet. a small craft
advisory may be needed. 

$$

fzus53 kdlh 171823
nshdlh
expires:202605172200;;721644

nearshore marine forecast
national weather service duluth mn
123 pm cdt sun may 17 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.


lsz143-172200-
silver bay harbor to two harbors mn-
123 pm cdt sun may 17 2026

...gale warning in effect until 10 pm cdt this evening...

.rest of today...northeast wind up to 30 knots with gales to
around 35 knots. partly sunny. waves 5 to 8 feet building to 7 to
10 feet late. waves occasionally to 13 feet. 
.tonight...northeast wind up to 30 knots with gales to around
35 knots easing to 10 to 15 knots with gusts to around 20 knots
early in the morning. chance of rain showers in the evening.
chance of thunderstorms through the night. rain showers likely
after midnight. waves 8 to 11 feet subsiding to 4 to 7 feet early
in the morning. waves occasionally to 14 feet. 
.monday...northeast wind 5 knots becoming south in the late
morning and early afternoon, then becoming east late in the
afternoon. chance of rain showers and slight chance of
thunderstorms in the morning. waves 3 to 5 feet subsiding to 1 to
3 feet. waves occasionally to 7 feet. a small craft advisory may
be needed. 
.monday night...northeast wind 15 to 20 knots with gusts to
around 30 knots. chance of rain showers and slight chance of
thunderstorms in the evening, then rain showers after midnight.
waves 1 to 3 feet building to 3 to 5 feet after midnight. waves
occasionally to 7 feet. a small craft advisory may be needed. 

$$

fzus53 kdlh 171638
nshdlh
expires:202605172200;;717403

nearshore marine forecast
national weather service duluth mn
1138 am cdt sun may 17 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.


lsz148-172200-
oak point to saxon harbor wi-
1138 am cdt sun may 17 2026

...small craft advisory in effect until 10 pm cdt this evening...

.rest of today...northeast wind 10 to 15 knots with gusts to
around 20 knots rising to 20 to 25 knots with gusts to around
30 knots in the afternoon. slight chance of rain showers late.
waves 1 to 3 feet building to 5 to 8 feet. waves occasionally to
10 feet. 
.tonight...northeast wind 15 to 20 knots with gusts to around
30 knots easing to 5 to 10 knots early in the morning. chance of
rain showers in the evening. chance of thunderstorms through the
night. rain showers after midnight. waves 5 to 8 feet subsiding
to 3 to 5 feet after midnight. waves occasionally to 10 feet. 
.monday...northwest wind 5 knots becoming northeast late in the
afternoon. chance of rain showers and slight chance of
thunderstorms 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. 
.monday night...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 evening and overnight. rain showers likely and slight
chance of thunderstorms in the evening, then rain showers and
chance of thunderstorms after midnight. waves 5 to 8 feet. waves
occasionally to 10 feet. a small craft advisory may be needed. 

$$

fzus53 kmqt 171502
nshmqt
expires:202605172000;;714491

nearshore marine forecast
national weather service marquette mi
1102 am edt sun may 17 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.


lsz242-243-172000-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
1102 am edt sun may 17 2026

...small craft advisory in effect through late tonight...

.rest of today...east wind 15 to 20 knots. mostly cloudy. a
slight chance of rain showers late. waves 1 to 2 feet building to
3 to 5 feet occasionally to 7 feet. 
.tonight...east wind 15 to 20 knots veering southeast 10 to
15 knots late. gusts up to 27 knots. rain showers and a chance of
thunderstorms. waves subsiding to 2 to 3 feet. 
.monday...north wind 5 to 15 knots. rain showers likely and a
chance of thunderstorms. waves subsiding to 1 to 2 feet, then
building to 2 to 4 feet. 
.monday night...northeast wind 15 to 20 knots. a chance of
showers and thunderstorms in the evening, then rain showers and a
slight chance of thunderstorms after midnight. waves building to
5 to 8 feet occasionally to 10 feet. 

$$

fzus53 kmqt 171502
nshmqt
expires:202605172000;;714490

nearshore marine forecast
national weather service marquette mi
1102 am edt sun may 17 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.


lsz240-241-172000-
saxon harbor wi to black river mi-
black river to ontonagon mi-
1102 am edt sun may 17 2026 /1002 am cdt sun may 17 2026/

...small craft advisory in effect through late tonight...

.rest of today...northeast wind 15 to 25 knots with gusts up to
32 knots. mostly cloudy. a slight chance of rain showers by late
morning, then a chance of rain showers late. waves 2 to 3 feet
building to 5 to 8 feet occasionally to 10 feet, then subsiding
to 4 to 7 feet occasionally to 9 feet. 
.tonight...east wind 10 to 20 knots veering southeast less than
10 knots late. gusts up to 27 knots. rain showers and a chance of
thunderstorms through midnight, then a chance of showers and
thunderstorms late. waves subsiding to 2 to 4 feet. 
.monday...northwest wind 5 to 15 knots veering northeast 10 to
15 knots in the afternoon. a chance of rain showers and a slight
chance of thunderstorms in the morning, then rain showers likely
and a chance of thunderstorms in the afternoon. waves subsiding
to 2 to 3 feet, then building to 2 to 4 feet. 
.monday night...northeast wind 10 to 20 knots. rain showers and a
slight chance of thunderstorms. waves building to 6 to 9 feet
occasionally to 11 feet. 

$$