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(1/10)
Latest Nearshore Marine Forecast by KDLH
Issued 5/15/2026 2:55 PM US/Central.
Valid through 5/15/2026 11:00 PM US/Central.
fzus53 kdlh 151955
nshdlh
expires:202605160400;;615324
nearshore marine forecast
national weather service duluth mn
255 pm cdt fri may 15 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.
lsz121-160400-
chequamegon bay-bayfield to oak point wi-
255 pm cdt fri may 15 2026
...small craft advisory in effect until 10 pm cdt this evening...
.tonight...southwest wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 10 knots after midnight. mostly clear.
waves 1 to 2 feet.
.saturday...west wind 10 to 15 knots. gusts up to 20 knots in the
late morning and afternoon. sunny. waves 1 foot or less.
.saturday night...north wind 5 knots becoming northeast in the
late evening and overnight. mostly clear. waves 1 foot or less.
.sunday...northeast wind 15 to 20 knots with gusts to around
25 knots. slight chance of rain showers in the morning, then rain
showers likely and slight chance of thunderstorms in the
afternoon. waves 1 to 3 feet.
$$
(2/10)
Latest Nearshore Marine Forecast by KDLH
Issued 5/15/2026 2:55 PM US/Central.
Valid through 5/15/2026 11:00 PM US/Central.
fzus53 kdlh 151955
nshdlh
expires:202605160400;;615315
nearshore marine forecast
national weather service duluth mn
255 pm cdt fri may 15 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz140-160400-
grand portage to grand marais mn-
255 pm cdt fri may 15 2026
...small craft advisory in effect through late tonight...
.tonight...west wind 15 to 20 knots. gusts up to 30 knots. mostly
clear. waves 4 to 6 feet subsiding to 1 to 3 feet. waves
occasionally to 7 feet.
.saturday...west wind 10 to 15 knots. gusts up to 20 knots
increasing to 25 knots in the late morning and early afternoon,
then decreasing to 20 knots late in the afternoon. sunny. waves
1 to 3 feet.
.saturday night...northwest wind 5 to 10 knots becoming northeast
in the late evening and overnight. mostly clear. waves 1 to
2 feet.
.sunday...northeast wind up to 30 knots with gales to around
35 knots. chance of rain showers in the afternoon. waves 1 to
2 feet building to 5 to 8 feet. waves occasionally to 10 feet. a
gale warning may be needed.
$$
(3/10)
Latest Nearshore Marine Forecast by KDLH
Issued 5/15/2026 2:55 PM US/Central.
Valid through 5/15/2026 11:00 PM US/Central.
fzus53 kdlh 151955
nshdlh
expires:202605160400;;615316
nearshore marine forecast
national weather service duluth mn
255 pm cdt fri may 15 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.
lsz141-160400-
grand marais to taconite harbor mn-
255 pm cdt fri may 15 2026
...small craft advisory in effect until 10 pm cdt this evening...
.tonight...west wind 10 to 15 knots. gusts up to 30 knots. mostly
clear. waves 2 to 4 feet subsiding to 1 to 2 feet after midnight.
.saturday...west wind 10 to 15 knots. gusts up to 20 knots
increasing to 25 knots in the late morning and early afternoon,
then decreasing to 20 knots late in the afternoon. sunny. waves
1 to 2 feet.
.saturday night...northwest wind 5 to 10 knots becoming northeast
early in the morning. mostly clear. waves 1 foot or less.
.sunday...northeast wind up to 30 knots with gales to around
35 knots. rain showers likely and slight chance of thunderstorms
in the afternoon. waves 1 to 2 feet building to 6 to 9 feet.
waves occasionally to 12 feet. a gale warning may be needed.
$$
(4/10)
Latest Nearshore Marine Forecast by KDLH
Issued 5/15/2026 2:55 PM US/Central.
Valid through 5/15/2026 11:00 PM US/Central.
fzus53 kdlh 151955
nshdlh
expires:202605160400;;615317
nearshore marine forecast
national weather service duluth mn
255 pm cdt fri may 15 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz142-160400-
taconite harbor to silver bay harbor mn-
255 pm cdt fri may 15 2026
...small craft advisory in effect until 10 pm cdt this evening...
.tonight...southwest wind 15 to 20 knots with gusts to around
30 knots becoming west 5 knots after midnight. mostly clear.
waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening
and overnight.
.saturday...west wind 5 to 10 knots with gusts to around
20 knots. sunny. waves 1 foot or less.
.saturday night...northwest wind 5 knots becoming northeast with
gusts to around 20 knots early in the morning. mostly clear.
waves 1 foot or less.
.sunday...northeast wind 20 to 25 knots with gales to around
35 knots. slight chance of rain showers in the morning, then rain
showers likely and slight chance of thunderstorms in the
afternoon. waves 1 to 2 feet building to 7 to 10 feet. waves
occasionally to 13 feet. a gale warning may be needed.
$$
(5/10)
Latest Nearshore Marine Forecast by KDLH
Issued 5/15/2026 2:55 PM US/Central.
Valid through 5/15/2026 11:00 PM US/Central.
fzus53 kdlh 151955
nshdlh
expires:202605160400;;615318
nearshore marine forecast
national weather service duluth mn
255 pm cdt fri may 15 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.
lsz143-160400-
silver bay harbor to two harbors mn-
255 pm cdt fri may 15 2026
...small craft advisory in effect until 10 pm cdt this evening...
.tonight...southwest wind 15 to 20 knots with gusts to around
30 knots becoming west 5 to 10 knots after midnight. mostly
clear. waves 1 to 3 feet subsiding to 1 to 2 feet in the late
evening and overnight.
.saturday...west wind 5 to 10 knots. gusts up to 20 knots in the
late morning and afternoon. sunny. waves 1 foot or less.
.saturday night...northwest wind 5 knots becoming northeast 10 to
15 knots with gusts to around 20 knots in the late evening and
overnight. mostly clear. waves 1 to 2 feet.
.sunday...northeast wind up to 30 knots with gales to around
35 knots. slight chance of rain showers in the morning, then rain
showers likely and slight chance of thunderstorms in the
afternoon. waves 3 to 5 feet building to 7 to 10 feet. waves
occasionally to 13 feet. a gale warning may be needed.
$$
(6/10)
Latest Nearshore Marine Forecast by KDLH
Issued 5/15/2026 2:55 PM US/Central.
Valid through 5/15/2026 11:00 PM US/Central.
fzus53 kdlh 151955
nshdlh
expires:202605160400;;615319
nearshore marine forecast
national weather service duluth mn
255 pm cdt fri may 15 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz144-160400-
two harbors to duluth mn-
255 pm cdt fri may 15 2026
...small craft advisory in effect until 10 pm cdt this evening...
.tonight...southwest wind 15 to 20 knots with gusts to around
30 knots becoming west 5 to 10 knots after midnight. mostly
clear. waves 1 to 3 feet subsiding to 1 to 2 feet in the late
evening and overnight.
.saturday...west wind 10 to 15 knots. gusts up to 20 knots in the
late morning and afternoon. sunny. waves 1 foot or less.
.saturday night...northwest wind 5 knots becoming northeast in
the late evening and early morning, then rising to 15 to 20 knots
with gusts to around 25 knots early in the morning. mostly clear.
waves 1 to 3 feet.
.sunday...northeast wind up to 30 knots. gusts up to 30 knots
increasing to 35 knots in the late morning and afternoon. chance
of rain showers in the morning, then rain showers and slight
chance of thunderstorms in the afternoon. waves 7 to 10 feet.
waves occasionally to 12 feet. a gale warning may be needed.
$$
(7/10)
Latest Nearshore Marine Forecast by KDLH
Issued 5/15/2026 2:55 PM US/Central.
Valid through 5/15/2026 11:00 PM US/Central.
fzus53 kdlh 151955
nshdlh
expires:202605160400;;615320
nearshore marine forecast
national weather service duluth mn
255 pm cdt fri may 15 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.
lsz145-160400-
duluth mn to port wing wi-
255 pm cdt fri may 15 2026
...small craft advisory in effect until 10 pm cdt this evening...
.tonight...southwest wind 15 to 20 knots with gusts to around
30 knots easing to 5 to 10 knots after midnight. mostly clear.
waves 1 to 3 feet.
.saturday...west wind 10 to 15 knots. gusts up to 20 knots in the
late morning and afternoon. sunny. waves 1 to 2 feet.
.saturday night...northwest wind 5 to 10 knots becoming northeast
in the late evening and early morning, then rising to 15 to
20 knots with gusts to around 25 knots early in the morning.
mostly clear. waves 1 foot or less building to 1 to 3 feet early
in the morning.
.sunday...northeast wind up to 30 knots. gusts up to 30 knots
increasing to 35 knots in the late morning and afternoon. chance
of rain showers through the day. slight chance of thunderstorms
in the afternoon. waves 7 to 10 feet. waves occasionally to
12 feet. a gale warning may be needed.
$$
(8/10)
Latest Nearshore Marine Forecast by KDLH
Issued 5/15/2026 2:55 PM US/Central.
Valid through 5/15/2026 11:00 PM US/Central.
fzus53 kdlh 151955
nshdlh
expires:202605160400;;615321
nearshore marine forecast
national weather service duluth mn
255 pm cdt fri may 15 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz146-160400-
port wing to sand island wi-
255 pm cdt fri may 15 2026
...small craft advisory in effect until 10 pm cdt this evening...
.tonight...southwest wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 10 knots after midnight. mostly clear.
waves 2 to 4 feet subsiding to 1 to 2 feet after midnight.
.saturday...west wind 5 to 10 knots. gusts up to 20 knots in the
late morning and early afternoon. sunny. waves 1 to 2 feet.
.saturday night...northwest wind 5 knots becoming northeast 10 to
15 knots with gusts to around 20 knots in the late evening and
overnight. mostly clear. waves 1 to 2 feet.
.sunday...northeast wind 20 to 25 knots. gusts up to 30 knots.
slight chance of rain showers in the morning, then rain showers
likely and slight chance of thunderstorms in the afternoon. waves
2 to 4 feet building to 6 to 9 feet. waves occasionally to
12 feet. a small craft advisory may be needed.
$$
(9/10)
Latest Nearshore Marine Forecast by KDLH
Issued 5/15/2026 2:55 PM US/Central.
Valid through 5/15/2026 11:00 PM US/Central.
fzus53 kdlh 151955
nshdlh
expires:202605160400;;615322
nearshore marine forecast
national weather service duluth mn
255 pm cdt fri may 15 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.
lsz147-160400-
sand island to bayfield wi-
255 pm cdt fri may 15 2026
...small craft advisory in effect until 10 pm cdt this evening...
.tonight...southwest wind 15 to 20 knots with gusts to around
25 knots easing to 5 to 10 knots after midnight. mostly clear.
waves 1 to 3 feet subsiding to 1 to 2 feet after midnight.
.saturday...west wind 5 to 10 knots. gusts up to 20 knots in the
late morning and afternoon. sunny. waves 1 to 2 feet.
.saturday night...northwest wind 5 knots becoming northeast with
gusts to around 20 knots in the late evening and overnight.
mostly clear. waves 1 to 2 feet.
.sunday...northeast wind 10 to 15 knots with gusts to around
25 knots rising to 20 to 25 knots with gusts to around 30 knots
in the afternoon. slight chance of rain showers in the morning,
then rain showers likely and slight chance of thunderstorms in
the afternoon. waves 1 to 2 feet building to 6 to 9 feet. waves
occasionally to 11 feet. a small craft advisory may be needed.
$$
(10/10)
Latest Nearshore Marine Forecast by KDLH
Issued 5/15/2026 2:55 PM US/Central.
Valid through 5/15/2026 11:00 PM US/Central.
fzus53 kdlh 151955
nshdlh
expires:202605160400;;615325
nearshore marine forecast
national weather service duluth mn
255 pm cdt fri may 15 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz148-160400-
oak point to saxon harbor wi-
255 pm cdt fri may 15 2026
...small craft advisory in effect until 10 pm cdt this evening...
.tonight...southwest wind 15 to 20 knots with gusts to around
30 knots easing to 5 to 10 knots after midnight. mostly clear.
waves 1 to 2 feet.
.saturday...west wind 5 to 10 knots with gusts to around 20 knots
becoming northwest late in the afternoon. sunny. waves 1 to
2 feet.
.saturday night...northeast wind 5 knots rising to 5 to 10 knots
in the late evening and overnight. mostly clear. waves 1 foot or
less.
.sunday...northeast wind 15 to 20 knots. gusts up to 20 knots
late in the morning increasing to 30 knots, then decreasing to
25 knots late in the afternoon. slight chance of rain showers in
the morning, then rain showers likely and slight chance of
thunderstorms in the afternoon. waves 1 to 2 feet building to
4 to 7 feet in the late morning and afternoon. waves occasionally
to 9 feet. a small craft advisory may be needed.
$$
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