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(1/9)
Latest Nearshore Marine Forecast by KDLH
Issued 3/23/2026 2:53 PM US/Central.
Valid through 3/23/2026 11:00 PM US/Central.
fzus53 kdlh 231953
nshdlh
expires:202603240400;;182804
nearshore marine forecast
national weather service duluth mn
253 pm cdt mon mar 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.
lsz140-240400-
grand portage to grand marais mn-
253 pm cdt mon mar 23 2026
.tonight...southwest wind 15 to 20 knots with gusts to around
30 knots becoming west 10 to 15 knots with gusts to around
25 knots late in the night. slight chance of snow in the late
evening and early morning. waves 1 to 3 feet building to 2 to
4 feet in the late evening and overnight.
.tuesday...northwest wind 5 to 10 knots becoming north late in
the morning, then becoming east in the afternoon. mostly sunny.
waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning
and afternoon. a small craft advisory may be needed.
.tuesday night...east wind 5 to 10 knots becoming northeast early
in the morning. slight chance of snow after midnight. waves 1 to
2 feet.
.wednesday...northeast wind 10 to 15 knots. gusts up to 20 knots
until late afternoon. chance of snow. waves 1 to 3 feet.
note...wave height forecasts are for ice free areas.
$$
(2/9)
Latest Nearshore Marine Forecast by KDLH
Issued 3/23/2026 2:53 PM US/Central.
Valid through 3/23/2026 11:00 PM US/Central.
fzus53 kdlh 231953
nshdlh
expires:202603240400;;182805
nearshore marine forecast
national weather service duluth mn
253 pm cdt mon mar 23 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz141-240400-
grand marais to taconite harbor mn-
253 pm cdt mon mar 23 2026
.tonight...southwest wind 10 to 15 knots with gusts to around
20 knots. slight chance of snow until early morning. waves 1 to
3 feet.
.tuesday...northwest wind 5 knots becoming north late in the
morning, then becoming southeast in the afternoon. mostly sunny.
waves 1 to 2 feet.
.tuesday night...east wind 5 to 10 knots. slight chance of snow
after midnight. waves 1 to 3 feet.
.wednesday...northeast wind 5 to 10 knots. slight chance of snow.
waves 1 to 2 feet.
note...wave height forecasts are for ice free areas.
$$
(3/9)
Latest Nearshore Marine Forecast by KDLH
Issued 3/23/2026 2:53 PM US/Central.
Valid through 3/23/2026 11:00 PM US/Central.
fzus53 kdlh 231953
nshdlh
expires:202603240400;;182806
nearshore marine forecast
national weather service duluth mn
253 pm cdt mon mar 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.
lsz142-240400-
taconite harbor to silver bay harbor mn-
253 pm cdt mon mar 23 2026
.tonight...southwest wind 15 to 20 knots becoming west 10 to
15 knots with gusts to around 20 knots late in the night. slight
chance of snow in the evening. waves 1 to 2 feet.
.tuesday...northwest wind 5 knots becoming east in the afternoon.
partly sunny. waves 1 foot or less.
.tuesday night...northeast wind 5 knots. slight chance of snow
after midnight. waves 1 to 3 feet.
.wednesday...northeast wind 5 to 10 knots. slight chance of snow
through the day. waves 1 to 2 feet.
note...wave height forecasts are for ice free areas.
$$
(4/9)
Latest Nearshore Marine Forecast by KDLH
Issued 3/23/2026 2:53 PM US/Central.
Valid through 3/23/2026 11:00 PM US/Central.
fzus53 kdlh 231953
nshdlh
expires:202603240400;;182807
nearshore marine forecast
national weather service duluth mn
253 pm cdt mon mar 23 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz143-240400-
silver bay harbor to two harbors mn-
253 pm cdt mon mar 23 2026
.tonight...south wind 10 to 15 knots with gusts to around
20 knots becoming southwest 15 to 20 knots with gusts to around
25 knots in the late evening and overnight. slight chance of snow
late in the evening. waves 1 to 2 feet.
.tuesday...northwest wind 5 knots becoming east in the afternoon.
partly sunny. waves 1 foot or less.
.tuesday night...northeast wind 5 to 10 knots. slight chance of
rain and snow after midnight. waves 1 to 3 feet.
.wednesday...northeast wind 5 to 10 knots. slight chance of snow
in the morning. waves 1 to 2 feet.
note...wave height forecasts are for ice free areas.
$$
(5/9)
Latest Nearshore Marine Forecast by KDLH
Issued 3/23/2026 2:53 PM US/Central.
Valid through 3/23/2026 11:00 PM US/Central.
fzus53 kdlh 231953
nshdlh
expires:202603240400;;182808
nearshore marine forecast
national weather service duluth mn
253 pm cdt mon mar 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.
lsz144-240400-
two harbors to duluth mn-
253 pm cdt mon mar 23 2026
.tonight...southwest wind 10 to 15 knots with gusts to around
25 knots rising to 15 to 20 knots with gusts to around 25 knots
after midnight. slight chance of snow in the late evening and
early morning. waves 1 to 2 feet.
.tuesday...northwest wind 5 knots becoming northeast in the late
morning and afternoon. partly sunny. waves 1 foot or less.
.tuesday night...northeast wind 5 to 10 knots. mostly cloudy.
waves 1 to 2 feet.
.wednesday...northeast wind 5 to 10 knots. partly sunny. waves
1 to 2 feet.
note...wave height forecasts are for ice free areas.
$$
(6/9)
Latest Nearshore Marine Forecast by KDLH
Issued 3/23/2026 2:53 PM US/Central.
Valid through 3/23/2026 11:00 PM US/Central.
fzus53 kdlh 231953
nshdlh
expires:202603240400;;182809
nearshore marine forecast
national weather service duluth mn
253 pm cdt mon mar 23 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz145-240400-
duluth mn to port wing wi-
253 pm cdt mon mar 23 2026
.tonight...southwest wind 10 to 15 knots with gusts to around
25 knots becoming southwest 10 to 15 knots with gusts to around
20 knots late in the night. slight chance of rain late in the
evening. slight chance of snow in the late evening and early
morning. waves 1 to 2 feet.
.tuesday...west wind 5 knots becoming northeast in the late
morning and afternoon. partly sunny. waves 1 to 2 feet.
.tuesday night...northeast wind 5 to 10 knots. mostly cloudy.
waves 1 to 2 feet.
.wednesday...northeast wind 5 to 10 knots. partly sunny. waves
1 to 2 feet.
note...wave height forecasts are for ice free areas.
$$
(7/9)
Latest Nearshore Marine Forecast by KDLH
Issued 3/23/2026 2:53 PM US/Central.
Valid through 3/23/2026 11:00 PM US/Central.
fzus53 kdlh 231953
nshdlh
expires:202603240400;;182810
nearshore marine forecast
national weather service duluth mn
253 pm cdt mon mar 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.
lsz146-240400-
port wing to sand island wi-
253 pm cdt mon mar 23 2026
.tonight...south wind 10 to 15 knots with gusts to around
20 knots becoming southwest 15 to 20 knots after midnight. slight
chance of snow in the late evening and early morning. waves 1 to
2 feet.
.tuesday...west wind 5 knots becoming northeast in the late
morning and afternoon. partly sunny. waves 1 to 2 feet.
.tuesday night...northeast wind 5 to 10 knots. mostly cloudy.
waves 1 to 2 feet.
.wednesday...northeast wind 5 to 10 knots. slight chance of snow
in the morning. waves 1 to 2 feet.
note...wave height forecasts are for ice free areas.
$$
(8/9)
Latest Nearshore Marine Forecast by KDLH
Issued 3/23/2026 2:53 PM US/Central.
Valid through 3/23/2026 11:00 PM US/Central.
fzus53 kdlh 231953
nshdlh
expires:202603240400;;182811
nearshore marine forecast
national weather service duluth mn
253 pm cdt mon mar 23 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz147-240400-
sand island to bayfield wi-
253 pm cdt mon mar 23 2026
.tonight...south wind 5 to 10 knots becoming southwest 10 to
15 knots with gusts to around 20 knots in the late evening and
overnight. slight chance of snow in the late evening and early
morning. waves 1 to 2 feet.
.tuesday...west wind 5 knots becoming north late in the morning,
then becoming east in the afternoon. partly sunny. waves 1 to
2 feet.
.tuesday night...east wind 5 knots. patchy fog after midnight.
waves 1 to 2 feet.
.wednesday...northeast wind 5 to 10 knots. slight chance of snow
in the morning. waves 1 to 2 feet.
note...wave height forecasts are for ice free areas.
$$
(9/9)
Latest Nearshore Marine Forecast by KDLH
Issued 3/23/2026 2:53 PM US/Central.
Valid through 3/23/2026 11:00 PM US/Central.
fzus53 kdlh 231953
nshdlh
expires:202603240400;;182813
nearshore marine forecast
national weather service duluth mn
253 pm cdt mon mar 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.
lsz148-240400-
oak point to saxon harbor wi-
253 pm cdt mon mar 23 2026
.tonight...south wind 10 to 15 knots with gusts to around
20 knots becoming southwest with gusts to around 20 knots after
midnight. slight chance of rain late in the evening. slight
chance of snow in the late evening and early morning. waves 1 to
2 feet.
.tuesday...west wind 5 to 10 knots becoming north late in the
morning, then becoming northeast in the afternoon. partly sunny.
waves 1 foot or less.
.tuesday night...east wind 5 to 10 knots becoming southeast after
midnight. mostly cloudy. waves 1 to 2 feet.
.wednesday...east wind 5 to 10 knots becoming northeast in the
afternoon. partly sunny. waves 1 to 2 feet.
note...wave height forecasts are for ice free areas.
$$
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