(1/5)
Latest Nearshore Marine Forecast by KDLH
Issued 4/21/2026 5:14 AM US/Central.
Valid through 4/21/2026 11:00 AM US/Central.
fzus53 kdlh 211014
nshdlh
expires:202604211600;;739650
nearshore marine forecast
national weather service duluth mn
513 am cdt tue apr 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.
lsz142-211600-
taconite harbor to silver bay harbor mn-
513 am cdt tue apr 21 2026
.today...north wind 5 knots becoming southwest in the afternoon.
sunny. waves 1 foot or less.
.tonight...east wind 5 knots becoming northeast in the late
evening and overnight. mostly clear. waves 1 foot or less.
.wednesday...northeast wind 5 to 10 knots. sunny. waves 1 foot or
less.
.wednesday night...northeast wind 10 to 15 knots. gusts up to
20 knots after midnight. slight chance of rain and thunderstorms
through the night. waves 1 to 3 feet.
$$
(2/5)
Latest Nearshore Marine Forecast by KDLH
Issued 4/21/2026 5:14 AM US/Central.
Valid through 4/21/2026 11:00 AM US/Central.
fzus53 kdlh 211014
nshdlh
expires:202604211600;;739651
nearshore marine forecast
national weather service duluth mn
513 am cdt tue apr 21 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz143-211600-
silver bay harbor to two harbors mn-
513 am cdt tue apr 21 2026
.today...north wind 5 knots becoming northeast late in the
morning, then becoming south in the afternoon. sunny. waves
1 foot or less.
.tonight...east wind 5 knots becoming northeast in the late
evening and overnight. mostly clear. waves 1 foot or less.
.wednesday...northeast wind 10 to 15 knots. sunny. waves 1 foot
or less.
.wednesday night...northeast wind 10 to 15 knots. slight chance
of rain and thunderstorms. waves 1 to 3 feet.
$$
(3/5)
Latest Nearshore Marine Forecast by KDLH
Issued 4/21/2026 5:14 AM US/Central.
Valid through 4/21/2026 11:00 AM US/Central.
fzus53 kdlh 211014
nshdlh
expires:202604211600;;739652
nearshore marine forecast
national weather service duluth mn
513 am cdt tue apr 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.
lsz144-211600-
two harbors to duluth mn-
513 am cdt tue apr 21 2026
.today...north wind 5 knots becoming southeast in the afternoon.
sunny. waves 1 foot or less.
.tonight...northeast wind 5 knots. mostly clear. waves 1 foot or
less.
.wednesday...east wind 10 to 15 knots. sunny. waves 1 to 2 feet.
.wednesday night...northeast wind 10 to 15 knots. gusts up to
20 knots early in the morning. slight chance of rain in the
evening. waves 1 to 2 feet.
$$
(4/5)
Latest Nearshore Marine Forecast by KDLH
Issued 4/21/2026 5:14 AM US/Central.
Valid through 4/21/2026 11:00 AM US/Central.
fzus53 kdlh 211014
nshdlh
expires:202604211600;;739653
nearshore marine forecast
national weather service duluth mn
513 am cdt tue apr 21 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz145-211600-
duluth mn to port wing wi-
513 am cdt tue apr 21 2026
.today...northwest wind 5 knots becoming east in the afternoon.
sunny. waves 1 foot or less.
.tonight...east wind 5 knots. mostly clear. waves 1 foot or less.
.wednesday...northeast wind 10 to 15 knots. sunny. waves 1 to
2 feet.
.wednesday night...northeast wind 10 to 15 knots. gusts up to
20 knots early in the morning. slight chance of rain in the
evening. waves 1 to 3 feet.
$$
(5/5)
Latest Nearshore Marine Forecast by KDLH
Issued 4/21/2026 5:14 AM US/Central.
Valid through 4/21/2026 11:00 AM US/Central.
fzus53 kdlh 211014
nshdlh
expires:202604211600;;739654
nearshore marine forecast
national weather service duluth mn
513 am cdt tue apr 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.
lsz146-211600-
port wing to sand island wi-
513 am cdt tue apr 21 2026
.today...west wind 5 knots becoming north late in the morning,
then becoming southeast in the afternoon. sunny. waves 1 foot or
less.
.tonight...east wind 5 knots. mostly clear. waves 1 foot or less.
.wednesday...northeast wind 10 to 15 knots. sunny. waves 1 foot
or less.
.wednesday night...northeast wind 10 to 15 knots. slight chance
of rain and thunderstorms. waves 1 to 2 feet.
$$
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