(1/10)
Latest Nearshore Marine Forecast by KDLH
Issued 5/17/2026 3:08 PM US/Central.
Valid through 5/17/2026 11:00 PM US/Central.
fzus53 kdlh 172008
nshdlh
expires:202605180400;;727950
nearshore marine forecast
national weather service duluth mn
307 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.
lsz121-180400-
chequamegon bay-bayfield to oak point wi-
308 pm cdt sun may 17 2026
...small craft advisory in effect until 10 pm cdt this evening...
.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.
.tuesday...north wind 10 to 15 knots with gusts to around
25 knots becoming northwest with gusts to around 20 knots in the
late morning and afternoon. rain showers in the morning. waves
1 to 2 feet.
$$
(2/10)
Latest Nearshore Marine Forecast by KDLH
Issued 5/17/2026 3:08 PM US/Central.
Valid through 5/17/2026 11:00 PM US/Central.
fzus53 kdlh 172008
nshdlh
expires:202605180400;;727941
nearshore marine forecast
national weather service duluth mn
307 pm cdt sun may 17 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz140-180400-
grand portage to grand marais mn-
308 pm cdt sun may 17 2026
...small craft advisory in effect through monday morning...
.tonight...northeast wind 20 to 25 knots. gusts up to 30 knots
decreasing to 25 knots late in the night. slight chance of
showers and thunderstorms in the evening, then rain showers and
chance of thunderstorms after midnight. waves 4 to 7 feet. waves
occasionally to 9 feet.
.monday...northeast wind 10 to 15 knots with gusts to around
20 knots. chance of showers and thunderstorms in the morning.
waves 2 to 4 feet.
.monday night...northeast wind 20 to 25 knots with gales to
around 35 knots. rain showers after midnight. waves 4 to 7 feet.
waves occasionally to 10 feet. a gale warning may be needed.
.tuesday...north wind 20 to 25 knots with gusts to around
30 knots becoming northwest 15 to 20 knots with gusts to around
25 knots in the afternoon. rain showers in the morning. waves
5 to 8 feet subsiding to 1 to 3 feet. waves occasionally to
10 feet. a small craft advisory may be needed.
$$
(3/10)
Latest Nearshore Marine Forecast by KDLH
Issued 5/17/2026 3:08 PM US/Central.
Valid through 5/17/2026 11:00 PM US/Central.
fzus53 kdlh 172008
nshdlh
expires:202605180400;;727942
nearshore marine forecast
national weather service duluth mn
307 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.
lsz141-180400-
grand marais to taconite harbor mn-
308 pm cdt sun may 17 2026
...gale warning in effect until 10 pm cdt this evening...
.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
late in the night. chance of rain showers in the evening. chance
of thunderstorms through the night. rain showers after midnight.
waves 5 to 8 feet subsiding to 4 to 6 feet late in the night.
waves occasionally to 11 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 2 to 4 feet subsiding to 1 to
3 feet 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. a small craft advisory may be needed.
.tuesday...north wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 to 10 knots in the afternoon. rain
showers in the morning. waves 2 to 4 feet subsiding to 1 to
2 feet late in the afternoon. a small craft advisory may be
needed.
$$
(4/10)
Latest Nearshore Marine Forecast by KDLH
Issued 5/17/2026 3:08 PM US/Central.
Valid through 5/17/2026 11:00 PM US/Central.
fzus53 kdlh 172008
nshdlh
expires:202605180400;;727943
nearshore marine forecast
national weather service duluth mn
307 pm cdt sun may 17 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz142-180400-
taconite harbor to silver bay harbor mn-
308 pm cdt sun may 17 2026
...gale warning in effect until 10 pm cdt this evening...
.tonight...northeast wind 20 to 25 knots with gales to around
35 knots easing to 10 to 15 knots with gusts to around 20 knots
late in the night. chance of rain showers late in the evening.
chance of thunderstorms in the late evening and overnight. rain
showers likely after midnight. waves 6 to 9 feet subsiding to
4 to 6 feet late in the night. waves occasionally to 12 feet.
.monday...north wind 5 knots becoming west late in the morning,
then becoming variable 10 knots or less in the afternoon. chance
of showers and thunderstorms in the morning. waves 3 to 5 feet
subsiding to 1 to 2 feet late in the afternoon. a small craft
advisory may be needed.
.monday night...northeast wind 10 to 15 knots with gusts to
around 25 knots. chance of rain showers in the evening, then rain
showers after midnight. waves 1 to 2 feet building to 3 to 5 feet
after midnight. waves occasionally to 7 feet. a small craft
advisory may be needed.
.tuesday...north wind 5 to 10 knots becoming northwest in the
afternoon. rain showers in the morning. waves 3 to 5 feet
subsiding to 1 to 3 feet late in the afternoon. waves
occasionally to 7 feet. a small craft advisory may be needed.
$$
(5/10)
Latest Nearshore Marine Forecast by KDLH
Issued 5/17/2026 3:08 PM US/Central.
Valid through 5/17/2026 11:00 PM US/Central.
fzus53 kdlh 172008
nshdlh
expires:202605180400;;727944
nearshore marine forecast
national weather service duluth mn
307 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.
lsz143-180400-
silver bay harbor to two harbors mn-
308 pm cdt sun may 17 2026
...gale warning in effect until 10 pm cdt this evening...
.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
late in the night. 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 5 to 8 feet after
midnight. waves occasionally to 13 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
2 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 and slight chance of
thunderstorms 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.
.tuesday...north wind 5 to 10 knots with gusts to around 20 knots
becoming northwest in the late morning and afternoon. rain
showers in the morning. waves 4 to 6 feet. waves occasionally to
7 feet. a small craft advisory may be needed.
$$
(6/10)
Latest Nearshore Marine Forecast by KDLH
Issued 5/17/2026 3:08 PM US/Central.
Valid through 5/17/2026 11:00 PM US/Central.
fzus53 kdlh 172008
nshdlh
expires:202605180400;;727945
nearshore marine forecast
national weather service duluth mn
307 pm cdt sun may 17 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz144-180400-
two harbors to duluth mn-
308 pm cdt sun may 17 2026
...gale warning in effect until 10 pm cdt this evening...
.tonight...northeast wind up to 30 knots with gales to around
35 knots easing to 10 to 15 knots with gusts to around 20 knots
late in the night. chance of rain showers in the evening. chance
of thunderstorms through the night. rain showers after midnight.
waves 7 to 10 feet subsiding to 4 to 6 feet. waves occasionally
to 13 feet.
.monday...northeast wind 5 knots becoming southwest late in the
morning, then becoming southeast early in the afternoon becoming
northeast late in the afternoon. chance of rain showers and
slight chance of thunderstorms in the morning. waves 2 to 4 feet
subsiding to 1 to 3 feet in the afternoon. a small craft advisory
may be needed.
.monday night...northeast wind 15 to 20 knots. gusts up to
20 knots increasing to 30 knots in the late evening and
overnight. rain showers likely in the evening. slight chance of
thunderstorms through the night. rain showers after midnight.
waves 1 to 2 feet building to 4 to 6 feet. waves occasionally to
8 feet. a small craft advisory may be needed.
.tuesday...north wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 to 10 knots in the late morning and
afternoon. rain showers in the morning. waves 3 to 5 feet. waves
occasionally to 7 feet. a small craft advisory may be needed.
$$
(7/10)
Latest Nearshore Marine Forecast by KDLH
Issued 5/17/2026 3:08 PM US/Central.
Valid through 5/17/2026 11:00 PM US/Central.
fzus53 kdlh 172008
nshdlh
expires:202605180400;;727946
nearshore marine forecast
national weather service duluth mn
307 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.
lsz145-180400-
duluth mn to port wing wi-
308 pm cdt sun may 17 2026
...gale warning in effect until 10 pm cdt this evening...
.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
late in the night. 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...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 2 to 4 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 1 to 2 feet building to 4 to 7 feet. waves
occasionally to 9 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. rain showers 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.
$$
(8/10)
Latest Nearshore Marine Forecast by KDLH
Issued 5/17/2026 3:08 PM US/Central.
Valid through 5/17/2026 11:00 PM US/Central.
fzus53 kdlh 172008
nshdlh
expires:202605180400;;727947
nearshore marine forecast
national weather service duluth mn
307 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.
lsz146-180400-
port wing to sand island wi-
308 pm cdt sun may 17 2026
...small craft advisory in effect until 1 am cdt monday...
.tonight...northeast wind 20 to 25 knots with gusts to around
30 knots easing to 10 to 15 knots late in the night. 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 after midnight. waves occasionally to 12 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 2 to 4 feet subsiding to
1 to 3 feet 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 3 feet building to 4 to 6 feet after
midnight. waves occasionally to 8 feet. a small craft advisory
may be needed.
.tuesday...northeast wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 to 10 knots in the late morning and
afternoon. rain showers in the morning. waves 4 to 6 feet
subsiding to 2 to 4 feet late in the afternoon. waves
occasionally to 8 feet. a small craft advisory may be needed.
$$
(9/10)
Latest Nearshore Marine Forecast by KDLH
Issued 5/17/2026 3:08 PM US/Central.
Valid through 5/17/2026 11:00 PM US/Central.
fzus53 kdlh 172008
nshdlh
expires:202605180400;;727948
nearshore marine forecast
national weather service duluth mn
307 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.
lsz147-180400-
sand island to bayfield wi-
308 pm cdt sun may 17 2026
...small craft advisory in effect until 1 am cdt monday...
.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 6 to 9 feet subsiding to 4 to 6 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 2 to 4 feet subsiding to 1 to 3 feet 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.
.tuesday...north wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 to 10 knots in the late morning and
afternoon. rain showers in the morning. waves 4 to 7 feet
subsiding to 3 to 5 feet in the afternoon. waves occasionally to
9 feet. a small craft advisory may be needed.
$$
(10/10)
Latest Nearshore Marine Forecast by KDLH
Issued 5/17/2026 3:08 PM US/Central.
Valid through 5/17/2026 11:00 PM US/Central.
fzus53 kdlh 172008
nshdlh
expires:202605180400;;727951
nearshore marine forecast
national weather service duluth mn
307 pm cdt sun may 17 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz148-180400-
oak point to saxon harbor wi-
308 pm cdt sun may 17 2026
...small craft advisory in effect until 10 pm cdt this evening...
.tonight...northeast wind 15 to 20 knots with gusts to around
30 knots easing to 5 to 10 knots late in the night. chance of
rain showers in the evening. chance of thunderstorms through the
night. rain showers after midnight. waves 5 to 8 feet subsiding
to 3 to 5 feet after midnight. waves occasionally to 10 feet.
.monday...northwest wind 5 knots becoming northeast late in the
afternoon. chance of rain showers and slight chance of
thunderstorms in the morning, then slight chance of rain showers
in the afternoon. waves 2 to 4 feet subsiding to 1 to 2 feet in
the afternoon.
.monday night...northeast wind 5 to 10 knots with gusts to around
20 knots rising to 15 to 20 knots with gusts to around 30 knots
in the late evening and overnight. rain showers likely and slight
chance of thunderstorms in the evening, then rain showers and
chance of thunderstorms after midnight. waves 1 to 2 feet
building to 5 to 8 feet. waves occasionally to 10 feet. a small
craft advisory may be needed.
.tuesday...north wind 15 to 20 knots with gusts to around
25 knots becoming northwest 5 to 10 knots with gusts to around
20 knots in the afternoon. rain showers in the morning. waves
5 to 8 feet subsiding to 4 to 6 feet late in the afternoon. waves
occasionally to 11 feet. a small craft advisory may be needed.
$$
|