(1/5)
Latest Nearshore Marine Forecast by KDLH
Issued 5/20/2026 9:46 PM US/Central.
Valid through 5/21/2026 5:00 AM US/Central.
fzus53 kdlh 210246
nshdlh
expires:202605211000;;377214
nearshore marine forecast
national weather service duluth mn
946 pm cdt wed may 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-
946 pm cdt wed may 20 2026
.rest of tonight...northeast wind 5 knots late in the evening
becoming variable 10 knots or less. mostly clear. waves 1 foot or
less.
.thursday...variable winds 10 knots or less becoming east 5 knots
in the late morning and afternoon. mostly sunny. waves 1 foot or
less.
.thursday night...northeast wind 5 knots. partly cloudy in the
evening then becoming mostly cloudy. waves 1 foot or less.
.friday...northeast wind 10 to 15 knots with gusts to around
25 knots. mostly sunny. waves 1 to 2 feet building to 1 to 3 feet
late in the afternoon.
$$
(2/5)
Latest Nearshore Marine Forecast by KDLH
Issued 5/20/2026 9:46 PM US/Central.
Valid through 5/21/2026 5:00 AM US/Central.
fzus53 kdlh 210246
nshdlh
expires:202605211000;;377215
nearshore marine forecast
national weather service duluth mn
946 pm cdt wed may 20 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz143-211000-
silver bay harbor to two harbors mn-
946 pm cdt wed may 20 2026
.rest of tonight...northeast wind 5 to 10 knots. mostly clear.
waves 1 foot or less.
.thursday...northeast wind 5 to 10 knots. mostly sunny. waves
1 foot or less.
.thursday night...northeast wind 5 to 10 knots. partly cloudy in
the evening then becoming mostly cloudy. waves 1 foot or less.
.friday...northeast wind 15 to 20 knots with gusts to around
25 knots. mostly sunny. waves 1 to 3 feet.
$$
(3/5)
Latest Nearshore Marine Forecast by KDLH
Issued 5/20/2026 9:46 PM US/Central.
Valid through 5/21/2026 5:00 AM US/Central.
fzus53 kdlh 210246
nshdlh
expires:202605211000;;377216
nearshore marine forecast
national weather service duluth mn
946 pm cdt wed may 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-
946 pm cdt wed may 20 2026
.rest of tonight...northeast wind 5 to 10 knots. mostly clear.
waves 1 foot or less.
.thursday...northeast wind 10 to 15 knots with gusts to around
20 knots. sunny. waves 1 to 2 feet.
.thursday night...northeast wind 10 to 15 knots with gusts to
around 20 knots easing to 5 knots early in the morning. partly
cloudy. waves 1 to 2 feet.
.friday...northeast wind 15 to 20 knots with gusts to around
25 knots. partly sunny. waves 1 to 2 feet building to 2 to 4 feet
in the afternoon. a small craft advisory may be needed.
$$
(4/5)
Latest Nearshore Marine Forecast by KDLH
Issued 5/20/2026 9:46 PM US/Central.
Valid through 5/21/2026 5:00 AM US/Central.
fzus53 kdlh 210246
nshdlh
expires:202605211000;;377217
nearshore marine forecast
national weather service duluth mn
946 pm cdt wed may 20 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz145-211000-
duluth mn to port wing wi-
946 pm cdt wed may 20 2026
.rest of tonight...northeast wind 5 to 10 knots. mostly clear.
waves 1 foot or less.
.thursday...northeast wind 10 to 15 knots with gusts to around
20 knots. mostly sunny. waves 1 to 2 feet.
.thursday night...northeast wind 10 to 15 knots with gusts to
around 20 knots easing to 5 knots early in the morning. partly
cloudy. waves 1 to 2 feet.
.friday...northeast wind 15 to 20 knots with gusts to around
25 knots. partly sunny. waves 1 to 2 feet building to 2 to 4 feet
in the afternoon. a small craft advisory may be needed.
$$
(5/5)
Latest Nearshore Marine Forecast by KDLH
Issued 5/20/2026 9:46 PM US/Central.
Valid through 5/21/2026 5:00 AM US/Central.
fzus53 kdlh 210246
nshdlh
expires:202605211000;;377218
nearshore marine forecast
national weather service duluth mn
946 pm cdt wed may 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-
946 pm cdt wed may 20 2026
.rest of tonight...east wind 5 knots. mostly clear. waves 1 foot
or less.
.thursday...variable winds 10 knots or less becoming northeast
5 to 10 knots with gusts to around 20 knots in the late morning
and afternoon. mostly sunny. waves 1 foot or less.
.thursday night...northeast wind 5 to 10 knots. partly cloudy in
the evening then becoming mostly cloudy. waves 1 foot or less.
.friday...northeast wind 10 to 15 knots with gusts to around
20 knots. partly sunny. waves 1 to 2 feet.
$$
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