(1/5)
Latest Nearshore Marine Forecast by KDLH
Issued 12/20/2025 3:35 PM US/Central.
Valid through 12/20/2025 11:00 PM US/Central.
fzus53 kdlh 202135
nshdlh
expires:202512210500;;936674
nearshore marine forecast
national weather service duluth mn
335 pm cst sat dec 20 2025
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.
lsz142-210500-
taconite harbor to silver bay harbor mn-
335 pm cst sat dec 20 2025
...gale warning in effect until 10 pm cst this evening...
.tonight...northwest wind 20 to 25 knots with gales to around
35 knots easing to 10 to 15 knots with gusts to around 20 knots
late in the night. mostly cloudy early in the evening then
becoming partly cloudy. waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight.
.sunday...west wind 5 to 10 knots becoming southwest in the
afternoon. mostly sunny. waves 1 foot or less.
.sunday night...southwest wind 5 knots. mostly cloudy. waves
1 foot or less.
.monday...south wind 5 knots becoming southeast in the late
morning and afternoon. slight chance of snow in the morning, then
chance of snow in the afternoon. waves 1 foot or less.
$$
(2/5)
Latest Nearshore Marine Forecast by KDLH
Issued 12/20/2025 3:35 PM US/Central.
Valid through 12/20/2025 11:00 PM US/Central.
fzus53 kdlh 202135
nshdlh
expires:202512210500;;936675
nearshore marine forecast
national weather service duluth mn
335 pm cst sat dec 20 2025
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz143-210500-
silver bay harbor to two harbors mn-
335 pm cst sat dec 20 2025
...gale warning in effect until 10 pm cst this evening...
.tonight...west wind 20 to 25 knots with gusts to around 30 knots
easing to 10 to 15 knots with gusts to around 20 knots late in
the night. mostly cloudy early in the evening then becoming
partly cloudy. waves 2 to 4 feet subsiding to 1 to 3 feet in the
late evening and overnight.
.sunday...west wind 5 to 10 knots becoming southwest late in the
afternoon. mostly sunny. waves 1 foot or less.
.sunday night...southwest wind 5 to 10 knots. mostly cloudy.
waves 1 foot or less.
.monday...south wind 5 knots becoming east in the late morning
and afternoon. chance of snow. waves 1 foot or less.
$$
(3/5)
Latest Nearshore Marine Forecast by KDLH
Issued 12/20/2025 3:35 PM US/Central.
Valid through 12/20/2025 11:00 PM US/Central.
fzus53 kdlh 202135
nshdlh
expires:202512210500;;936676
nearshore marine forecast
national weather service duluth mn
335 pm cst sat dec 20 2025
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.
lsz144-210500-
two harbors to duluth mn-
335 pm cst sat dec 20 2025
...gale warning in effect until 10 pm cst this evening...
.tonight...west wind 20 to 25 knots with gusts to around 30 knots
easing to 10 to 15 knots with gusts to around 25 knots after
midnight. mostly cloudy early in the evening then becoming partly
cloudy. waves 2 to 4 feet subsiding to 1 to 3 feet in the late
evening and overnight.
.sunday...southwest wind 5 to 10 knots. mostly sunny. waves
1 foot or less.
.sunday night...southwest wind 5 to 10 knots becoming south early
in the morning. partly cloudy in the evening then becoming mostly
cloudy. waves 1 foot or less.
.monday...southeast wind 5 to 10 knots. chance of snow in the
morning, then slight chance of snow in the afternoon. waves
1 foot or less.
$$
(4/5)
Latest Nearshore Marine Forecast by KDLH
Issued 12/20/2025 3:35 PM US/Central.
Valid through 12/20/2025 11:00 PM US/Central.
fzus53 kdlh 202135
nshdlh
expires:202512210500;;936677
nearshore marine forecast
national weather service duluth mn
335 pm cst sat dec 20 2025
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz145-210500-
duluth mn to port wing wi-
335 pm cst sat dec 20 2025
...gale warning in effect until 10 pm cst this evening...
...heavy freezing spray warning in effect through late tonight...
.tonight...west wind up to 30 knots with gales to around 35 knots
easing to 15 to 20 knots after midnight. heavy freezing spray
early in the evening. waves 4 to 7 feet subsiding to 1 to 3 feet.
waves occasionally to 9 feet.
.sunday...southwest wind 10 to 15 knots. mostly sunny. waves 1 to
2 feet.
.sunday night...southwest wind 5 to 10 knots. partly cloudy in
the evening then becoming mostly cloudy. waves 1 foot or less.
.monday...southeast wind 5 to 10 knots becoming east late in the
afternoon. chance of snow in the morning, then slight chance of
snow in the afternoon. waves 1 foot or less.
$$
(5/5)
Latest Nearshore Marine Forecast by KDLH
Issued 12/20/2025 3:35 PM US/Central.
Valid through 12/20/2025 11:00 PM US/Central.
fzus53 kdlh 202135
nshdlh
expires:202512210500;;936678
nearshore marine forecast
national weather service duluth mn
335 pm cst sat dec 20 2025
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.
lsz146-210500-
port wing to sand island wi-
335 pm cst sat dec 20 2025
...gale warning in effect until 10 pm cst this evening...
...heavy freezing spray warning in effect through late tonight...
.tonight...northwest wind up to 30 knots with gales to around
35 knots becoming west 15 to 20 knots with gusts to around
25 knots after midnight. heavy freezing spray in the evening.
waves 5 to 8 feet subsiding to 3 to 5 feet after midnight. waves
occasionally to 10 feet.
.sunday...west wind 10 to 15 knots with gusts to around 20 knots
becoming southwest 5 to 10 knots in the late morning and
afternoon. mostly sunny. waves 1 to 2 feet.
.sunday night...southwest wind 5 to 10 knots. partly cloudy in
the evening then becoming mostly cloudy. waves 1 foot or less.
.monday...southeast wind 5 knots. chance of snow. waves 1 foot or
less.
$$
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