(1/5)
Latest Nearshore Marine Forecast by KDLH
Issued 9/21/2026 2:41 PM US/Central.
Valid through 9/21/2026 11:00 PM US/Central.
fzus53 kdlh 211941
nshdlh
expires:202609220400;;834373
nearshore marine forecast
national weather service duluth mn
241 pm cdt mon sep 21 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.
lsz142-220400-
taconite harbor to silver bay harbor mn-
241 pm cdt mon sep 21 2026
.tonight...northeast wind 5 to 10 knots. gusts up to 20 knots in
the evening. mostly cloudy early in the evening then clearing.
waves 1 to 2 feet.
.tuesday...east wind 5 to 10 knots. gusts up to 20 knots late in
the afternoon. sunny. waves 1 to 2 feet.
.tuesday night...east wind 5 to 10 knots with gusts to around
20 knots easing to 5 knots early in the morning. partly cloudy.
waves 1 to 2 feet.
.wednesday...southeast wind 5 knots becoming east with gusts to
around 20 knots late in the afternoon. sunny. waves 1 to 2 feet.
$$
(2/5)
Latest Nearshore Marine Forecast by KDLH
Issued 9/21/2026 2:41 PM US/Central.
Valid through 9/21/2026 11:00 PM US/Central.
fzus53 kdlh 211941
nshdlh
expires:202609220400;;834374
nearshore marine forecast
national weather service duluth mn
241 pm cdt mon sep 21 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz143-220400-
silver bay harbor to two harbors mn-
241 pm cdt mon sep 21 2026
...small craft advisory in effect until 10 pm cdt this evening...
.tonight...northeast wind 10 to 15 knots. gusts up to 25 knots.
mostly cloudy in the evening then clearing. waves 1 to 3 feet.
.tuesday...east wind 10 to 15 knots. gusts up to 25 knots. sunny.
waves 1 to 2 feet.
.tuesday night...northeast wind 10 to 15 knots with gusts to
around 25 knots becoming east 5 knots after midnight. mostly
clear. waves 1 to 2 feet.
.wednesday...southeast wind 5 knots becoming east 10 to 15 knots
with gusts to around 25 knots in the afternoon. sunny. waves 1 to
2 feet.
$$
(3/5)
Latest Nearshore Marine Forecast by KDLH
Issued 9/21/2026 2:41 PM US/Central.
Valid through 9/21/2026 11:00 PM US/Central.
fzus53 kdlh 211941
nshdlh
expires:202609220400;;834375
nearshore marine forecast
national weather service duluth mn
241 pm cdt mon sep 21 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.
lsz144-220400-
two harbors to duluth mn-
241 pm cdt mon sep 21 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. mostly cloudy in
the evening then clearing. waves 1 to 3 feet.
.tuesday...east wind 15 to 20 knots with gusts to around
25 knots. sunny. waves 1 to 2 feet building to 1 to 3 feet late
in the afternoon.
.tuesday night...northeast wind 15 to 20 knots with gusts to
around 25 knots becoming east 5 to 10 knots with gusts to around
20 knots in the late evening and early morning, then becoming
southeast early in the morning. partly cloudy. waves 2 to 4 feet
subsiding to 1 to 2 feet in the late evening and overnight.
.wednesday...east wind 5 to 10 knots with gusts to around
20 knots rising to 10 to 15 knots with gusts to around 25 knots
late in the afternoon. sunny. waves 1 to 2 feet.
$$
(4/5)
Latest Nearshore Marine Forecast by KDLH
Issued 9/21/2026 2:41 PM US/Central.
Valid through 9/21/2026 11:00 PM US/Central.
fzus53 kdlh 211941
nshdlh
expires:202609220400;;834376
nearshore marine forecast
national weather service duluth mn
241 pm cdt mon sep 21 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz145-220400-
duluth mn to port wing wi-
241 pm cdt mon sep 21 2026
...small craft advisory in effect until 10 pm cdt this evening...
.tonight...northeast wind 10 to 15 knots with gusts to around
25 knots becoming east 5 knots late in the night. mostly cloudy
until early morning then clearing. waves 2 to 4 feet subsiding to
1 to 3 feet in the late evening and overnight.
.tuesday...east wind 15 to 20 knots with gusts to around
25 knots. sunny. waves 1 to 2 feet building to 1 to 3 feet late
in the afternoon.
.tuesday night...northeast wind 15 to 20 knots with gusts to
around 25 knots becoming east 5 to 10 knots in the late evening
and early morning, then becoming southeast early in the morning.
partly cloudy. waves 2 to 4 feet subsiding to 1 to 2 feet in the
late evening and overnight.
.wednesday...southeast wind 5 knots becoming east 10 to 15 knots
with gusts to around 20 knots in the afternoon. sunny. waves 1 to
2 feet.
$$
(5/5)
Latest Nearshore Marine Forecast by KDLH
Issued 9/21/2026 2:41 PM US/Central.
Valid through 9/21/2026 11:00 PM US/Central.
fzus53 kdlh 211941
nshdlh
expires:202609220400;;834377
nearshore marine forecast
national weather service duluth mn
241 pm cdt mon sep 21 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.
lsz146-220400-
port wing to sand island wi-
241 pm cdt mon sep 21 2026
...small craft advisory in effect until 10 pm cdt this evening...
.tonight...east wind 10 to 15 knots with gusts to around 25 knots
easing to 5 knots late in the night. mostly cloudy in the evening
then becoming partly cloudy. waves 1 to 2 feet.
.tuesday...east wind 10 to 15 knots with gusts to around
25 knots. sunny. waves 1 to 2 feet.
.tuesday night...east wind 10 to 15 knots with gusts to around
20 knots becoming southeast 5 knots after midnight. mostly clear.
waves 1 to 2 feet.
.wednesday...southeast wind 5 knots becoming east with gusts to
around 20 knots in the afternoon. sunny. waves 1 foot or less.
$$
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