(1/5)
Latest Nearshore Marine Forecast by KDLH
Issued 9/20/2026 12:37 AM US/Central.
Valid through 9/20/2026 11:00 AM US/Central.
fzus53 kdlh 200537
nshdlh
expires:202609201600;;747130
nearshore marine forecast
national weather service duluth mn
1237 am cdt sun sep 20 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.
lsz142-201600-
taconite harbor to silver bay harbor mn-
1237 am cdt sun sep 20 2026
.today...northeast wind 10 to 15 knots with gusts to around
25 knots becoming east with gusts to around 25 knots in the
afternoon. sunny. waves 1 to 2 feet building to 1 to 3 feet in
the afternoon.
.tonight...northeast wind 5 to 10 knots. gusts up to 20 knots
early in the evening. partly cloudy in the evening then becoming
mostly cloudy. waves 1 to 3 feet subsiding to 1 to 2 feet in the
late evening and overnight.
.monday...east wind 10 to 15 knots. gusts up to 20 knots in the
late morning and afternoon. mostly cloudy in the morning then
becoming mostly sunny. waves 1 to 2 feet.
.monday night...east wind 5 to 10 knots. gusts up to 20 knots in
the evening. partly cloudy. waves 1 to 2 feet.
$$
(2/5)
Latest Nearshore Marine Forecast by KDLH
Issued 9/20/2026 12:37 AM US/Central.
Valid through 9/20/2026 11:00 AM US/Central.
fzus53 kdlh 200537
nshdlh
expires:202609201600;;747131
nearshore marine forecast
national weather service duluth mn
1237 am cdt sun sep 20 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz143-201600-
silver bay harbor to two harbors mn-
1237 am cdt sun sep 20 2026
...small craft advisory in effect from 7 am cdt this morning
through this evening...
.today...northeast wind 15 to 20 knots. gusts up to 25 knots
increasing to 30 knots in the late morning and early afternoon,
then decreasing to 25 knots late in the afternoon. mostly sunny.
waves 1 to 2 feet building to 2 to 4 feet in the late morning and
afternoon.
.tonight...east wind 10 to 15 knots. gusts up to 25 knots
decreasing to 20 knots in the late evening and overnight. mostly
cloudy. waves 2 to 4 feet subsiding to 1 to 3 feet in the late
evening and overnight.
.monday...east wind 10 to 15 knots. gusts up to 25 knots. partly
sunny. waves 1 to 3 feet.
.monday night...east wind 10 to 15 knots. gusts up to 25 knots.
partly cloudy. waves 1 to 3 feet.
$$
(3/5)
Latest Nearshore Marine Forecast by KDLH
Issued 9/20/2026 12:37 AM US/Central.
Valid through 9/20/2026 11:00 AM US/Central.
fzus53 kdlh 200537
nshdlh
expires:202609201600;;747132
nearshore marine forecast
national weather service duluth mn
1237 am cdt sun sep 20 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.
lsz144-201600-
two harbors to duluth mn-
1237 am cdt sun sep 20 2026
...small craft advisory in effect from 7 am cdt this morning
through this evening...
.today...northeast wind 20 to 25 knots. gusts up to 25 knots
increasing to 30 knots in the late morning and afternoon. partly
sunny. waves 1 to 3 feet building to 3 to 5 feet in the late
morning and afternoon.
.tonight...east wind 10 to 15 knots. gusts up to 25 knots
decreasing to 20 knots in the late evening and overnight. mostly
cloudy. waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight.
.monday...east wind 15 to 20 knots with gusts to around 25 knots.
partly sunny. waves 1 to 3 feet building to 2 to 4 feet late in
the afternoon.
.monday night...east wind 10 to 15 knots. gusts up to 25 knots.
partly cloudy. waves 2 to 4 feet subsiding to 1 to 3 feet in the
late evening and overnight.
$$
(4/5)
Latest Nearshore Marine Forecast by KDLH
Issued 9/20/2026 12:37 AM US/Central.
Valid through 9/20/2026 11:00 AM US/Central.
fzus53 kdlh 200537
nshdlh
expires:202609201600;;747133
nearshore marine forecast
national weather service duluth mn
1237 am cdt sun sep 20 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz145-201600-
duluth mn to port wing wi-
1237 am cdt sun sep 20 2026
...small craft advisory in effect from 7 am cdt this morning
through this evening...
.today...northeast wind 20 to 25 knots. gusts up to 25 knots
increasing to 30 knots in the late morning and early afternoon,
then decreasing to 25 knots late in the afternoon. partly sunny.
waves 3 to 5 feet.
.tonight...east wind 10 to 15 knots with gusts to around
20 knots. mostly cloudy. waves 2 to 4 feet subsiding to 1 to
3 feet after midnight.
.monday...east wind 15 to 20 knots with gusts to around 25 knots.
partly sunny. waves 1 to 3 feet building to 2 to 4 feet late in
the afternoon.
.monday night...east wind 10 to 15 knots. gusts up to 25 knots.
partly cloudy. waves 2 to 4 feet subsiding to 1 to 2 feet after
midnight.
$$
(5/5)
Latest Nearshore Marine Forecast by KDLH
Issued 9/20/2026 12:37 AM US/Central.
Valid through 9/20/2026 11:00 AM US/Central.
fzus53 kdlh 200537
nshdlh
expires:202609201600;;747134
nearshore marine forecast
national weather service duluth mn
1237 am cdt sun sep 20 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.
lsz146-201600-
port wing to sand island wi-
1237 am cdt sun sep 20 2026
...small craft advisory in effect from 7 am cdt this morning
through this evening...
.today...northeast wind 15 to 20 knots. gusts up to 25 knots
increasing to 30 knots in the late morning and early afternoon,
then decreasing to 25 knots late in the afternoon. mostly sunny.
waves 3 to 5 feet.
.tonight...east wind 10 to 15 knots. gusts up to 20 knots until
early morning. mostly cloudy. waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight.
.monday...east wind 10 to 15 knots. gusts up to 25 knots in the
afternoon. partly sunny. waves 1 to 2 feet.
.monday night...east wind 10 to 15 knots with gusts to around
25 knots easing to 5 knots early in the morning. partly cloudy.
waves 1 to 2 feet.
$$
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