(1/5)
Latest Nearshore Marine Forecast by KDLH
Issued 4/20/2026 11:00 PM US/Central.
Valid through 4/21/2026 5:00 AM US/Central.
fzus53 kdlh 210400
nshdlh
expires:202604211000;;723443
nearshore marine forecast
national weather service duluth mn
1100 pm cdt mon apr 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.
lsz142-211000-
taconite harbor to silver bay harbor mn-
1100 pm cdt mon apr 20 2026
.rest of tonight...southwest wind 5 to 10 knots becoming west
toward daybreak. clear. waves 1 to 2 feet.
.tuesday...northwest wind 5 knots becoming south in the
afternoon. sunny. waves 1 foot or less.
.tuesday night...southeast wind 5 knots early in the evening
becoming variable 10 knots or less, then becoming northeast
5 knots after midnight. mostly clear. waves 1 foot or less.
.wednesday...northeast wind 5 knots. sunny. waves 1 foot or less.
$$
(2/5)
Latest Nearshore Marine Forecast by KDLH
Issued 4/20/2026 11:00 PM US/Central.
Valid through 4/21/2026 5:00 AM US/Central.
fzus53 kdlh 210400
nshdlh
expires:202604211000;;723444
nearshore marine forecast
national weather service duluth mn
1100 pm cdt mon apr 20 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz143-211000-
silver bay harbor to two harbors mn-
1100 pm cdt mon apr 20 2026
.rest of tonight...southwest wind 5 to 10 knots. clear. waves
1 to 2 feet.
.tuesday...northwest wind 5 knots becoming northeast late in the
morning, then becoming south in the afternoon. sunny. waves
1 foot or less.
.tuesday night...southeast wind 5 knots becoming northeast in the
late evening and overnight. mostly clear. waves 1 foot or less.
.wednesday...northeast wind 5 to 10 knots. sunny. waves 1 foot or
less.
$$
(3/5)
Latest Nearshore Marine Forecast by KDLH
Issued 4/20/2026 11:00 PM US/Central.
Valid through 4/21/2026 5:00 AM US/Central.
fzus53 kdlh 210400
nshdlh
expires:202604211000;;723445
nearshore marine forecast
national weather service duluth mn
1100 pm cdt mon apr 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.
lsz144-211000-
two harbors to duluth mn-
1100 pm cdt mon apr 20 2026
.rest of tonight...southwest wind 5 to 10 knots. clear. waves
1 to 2 feet.
.tuesday...northwest wind 5 knots becoming southeast in the
afternoon. sunny. waves 1 foot or less.
.tuesday night...northeast wind 5 knots. mostly clear. waves
1 foot or less.
.wednesday...east wind 5 to 10 knots. sunny. waves 1 foot or
less.
$$
(4/5)
Latest Nearshore Marine Forecast by KDLH
Issued 4/20/2026 11:00 PM US/Central.
Valid through 4/21/2026 5:00 AM US/Central.
fzus53 kdlh 210400
nshdlh
expires:202604211000;;723446
nearshore marine forecast
national weather service duluth mn
1100 pm cdt mon apr 20 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz145-211000-
duluth mn to port wing wi-
1100 pm cdt mon apr 20 2026
.rest of tonight...southwest wind 5 to 10 knots. clear. waves
1 to 2 feet.
.tuesday...northwest wind 5 knots becoming east in the afternoon.
sunny. waves 1 foot or less.
.tuesday night...east wind 5 knots. mostly clear. waves 1 foot or
less.
.wednesday...northeast wind 5 to 10 knots. sunny. waves 1 foot or
less.
$$
(5/5)
Latest Nearshore Marine Forecast by KDLH
Issued 4/20/2026 11:00 PM US/Central.
Valid through 4/21/2026 5:00 AM US/Central.
fzus53 kdlh 210400
nshdlh
expires:202604211000;;723447
nearshore marine forecast
national weather service duluth mn
1100 pm cdt mon apr 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.
lsz146-211000-
port wing to sand island wi-
1100 pm cdt mon apr 20 2026
.rest of tonight...southwest wind 5 to 10 knots. clear. waves
1 to 2 feet.
.tuesday...northwest wind 5 knots becoming north late in the
morning, then becoming southeast in the afternoon. sunny. waves
1 foot or less.
.tuesday night...variable winds 10 knots or less becoming east
5 knots 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.
$$
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