(1/5)
Latest Nearshore Marine Forecast by KDLH
Issued 7/23/2026 1:48 AM US/Central.
Valid through 7/23/2026 11:00 AM US/Central.
fzus53 kdlh 230648
nshdlh
expires:202607231600;;452302
nearshore marine forecast
national weather service duluth mn
147 am cdt thu jul 23 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.
lsz142-231600-
taconite harbor to silver bay harbor mn-
147 am cdt thu jul 23 2026
...small craft advisory in effect from 10 am cdt this morning
through this afternoon...
.today...southwest wind 10 to 15 knots. gusts up to 25 knots.
sunny. waves 1 to 2 feet.
.tonight...southwest wind 5 to 10 knots. gusts up to 20 knots
early in the evening. mostly clear. waves 1 to 2 feet.
.friday...southwest wind 5 to 10 knots. gusts up to 20 knots in
the late morning and afternoon. sunny. waves 1 to 2 feet.
.friday night...southwest wind 10 to 15 knots with gusts to
around 20 knots. slight chance of showers and thunderstorms in
the evening, then showers and chance of thunderstorms after
midnight. waves 1 to 3 feet.
$$
(2/5)
Latest Nearshore Marine Forecast by KDLH
Issued 7/23/2026 1:48 AM US/Central.
Valid through 7/23/2026 11:00 AM US/Central.
fzus53 kdlh 230648
nshdlh
expires:202607231600;;452303
nearshore marine forecast
national weather service duluth mn
147 am cdt thu jul 23 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz143-231600-
silver bay harbor to two harbors mn-
147 am cdt thu jul 23 2026
...small craft advisory in effect from 10 am cdt this morning
through this afternoon...
.today...southwest wind 10 to 15 knots. gusts up to 20 knots in
the late morning and afternoon. sunny. waves 1 to 2 feet.
.tonight...southwest wind 5 to 10 knots. gusts up to 20 knots
early in the evening. clear. waves 1 to 2 feet.
.friday...southwest wind 5 to 10 knots. gusts up to 20 knots in
the late morning and afternoon. sunny. waves 1 to 2 feet.
.friday night...southwest wind 10 to 15 knots with gusts to
around 20 knots. showers and chance of thunderstorms after
midnight. waves 1 to 3 feet building to 2 to 4 feet after
midnight.
$$
(3/5)
Latest Nearshore Marine Forecast by KDLH
Issued 7/23/2026 1:48 AM US/Central.
Valid through 7/23/2026 11:00 AM US/Central.
fzus53 kdlh 230648
nshdlh
expires:202607231600;;452304
nearshore marine forecast
national weather service duluth mn
147 am cdt thu jul 23 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.
lsz144-231600-
two harbors to duluth mn-
147 am cdt thu jul 23 2026
.today...southwest wind 5 to 10 knots. gusts up to 20 knots in
the late morning and afternoon. sunny. waves 1 to 2 feet.
.tonight...southwest wind 5 to 10 knots. clear. waves 1 foot or
less.
.friday...southwest wind 10 to 15 knots. gusts up to 20 knots in
the afternoon. sunny. waves 1 to 2 feet.
.friday night...southwest wind 10 to 15 knots with gusts to
around 20 knots. showers likely and slight chance of
thunderstorms after midnight. waves 1 to 2 feet building to 2 to
4 feet in the late evening and overnight.
$$
(4/5)
Latest Nearshore Marine Forecast by KDLH
Issued 7/23/2026 1:48 AM US/Central.
Valid through 7/23/2026 11:00 AM US/Central.
fzus53 kdlh 230648
nshdlh
expires:202607231600;;452305
nearshore marine forecast
national weather service duluth mn
147 am cdt thu jul 23 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz145-231600-
duluth mn to port wing wi-
147 am cdt thu jul 23 2026
.today...southwest wind 5 to 10 knots. gusts up to 20 knots in
the late morning and afternoon. sunny. waves 1 to 2 feet.
.tonight...southwest wind 5 to 10 knots. clear. waves 1 foot or
less.
.friday...southwest wind 10 to 15 knots. gusts up to 20 knots in
the late morning and afternoon. sunny. waves 1 to 2 feet.
.friday night...southwest wind 15 to 20 knots. showers likely and
slight chance of thunderstorms after midnight. waves 1 to 3 feet
building to 2 to 4 feet after midnight.
$$
(5/5)
Latest Nearshore Marine Forecast by KDLH
Issued 7/23/2026 1:48 AM US/Central.
Valid through 7/23/2026 11:00 AM US/Central.
fzus53 kdlh 230648
nshdlh
expires:202607231600;;452306
nearshore marine forecast
national weather service duluth mn
147 am cdt thu jul 23 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.
lsz146-231600-
port wing to sand island wi-
147 am cdt thu jul 23 2026
...small craft advisory in effect from 10 am cdt this morning
through this afternoon...
.today...southwest wind 10 to 15 knots with gusts to around
25 knots easing to 10 knots with gusts to around 20 knots late in
the afternoon. sunny. waves 1 to 2 feet.
.tonight...southwest wind 5 to 10 knots. gusts up to 20 knots
early in the evening. clear. waves 1 to 2 feet.
.friday...southwest wind 5 to 10 knots. gusts up to 20 knots in
the afternoon. sunny. waves 1 to 2 feet.
.friday night...southwest wind 10 to 15 knots with gusts to
around 20 knots. showers and chance of thunderstorms after
midnight. waves 1 to 2 feet building to 1 to 3 feet after
midnight.
$$
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