(1/13)
Latest Nearshore Marine Forecast by KDLH
Issued 12/18/2025 11:27 PM US/Central.
Valid through 12/19/2025 5:00 AM US/Central.
fzus53 kdlh 190527
nshdlh
expires:202512191100;;839454
nearshore marine forecast
national weather service duluth mn
1127 pm cst thu dec 18 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.
lsz148-191100-
oak point to saxon harbor wi-
1127 pm cst thu dec 18 2025
...gale warning in effect until 4 am cst friday...
...heavy freezing spray warning in effect until 7 am cst friday...
...gale watch in effect from saturday morning through late
saturday night...
.rest of tonight...north wind up to 30 knots. gusts up to
35 knots decreasing to 30 knots toward daybreak. heavy freezing
spray through the night. snow late in the evening. snow likely
toward daybreak. waves 5 to 8 feet. waves occasionally to
11 feet.
.friday...northwest wind 15 to 20 knots with gusts to around
25 knots becoming west 5 knots early in the afternoon, then
becoming south late in the afternoon. chance of snow in the
morning, then slight chance of snow in the afternoon. waves 4 to
6 feet subsiding to 1 to 2 feet. waves occasionally to 8 feet. a
small craft advisory may be needed.
.friday night...south wind 15 to 20 knots. gusts up to 20 knots
increasing to 25 knots in the late evening and overnight. snow
likely. waves 1 to 3 feet.
.saturday...west wind up to 30 knots with gales to around
35 knots. slight chance of snow and light freezing rain in the
morning. waves 4 to 6 feet. waves occasionally to 7 feet. a gale
warning may be needed.
$$
(2/13)
Latest Nearshore Marine Forecast by KDLH
Issued 12/18/2025 11:27 PM US/Central.
Valid through 12/19/2025 5:00 AM US/Central.
fzus53 kdlh 190527
nshdlh
expires:202512191100;;839449
nearshore marine forecast
national weather service duluth mn
1127 pm cst thu dec 18 2025
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz145-191100-
duluth mn to port wing wi-
1127 pm cst thu dec 18 2025
...gale warning in effect until 4 am cst friday...
...heavy freezing spray warning in effect until 7 am cst friday...
...gale watch in effect from saturday morning through late
saturday night...
.rest of tonight...northwest wind 20 to 25 knots. gusts up to
30 knots decreasing to 25 knots toward daybreak. heavy freezing
spray late in the evening. chance of snow late in the evening.
slight chance of snow toward daybreak. waves 4 to 6 feet. waves
occasionally to 8 feet.
.friday...northwest wind 10 to 15 knots becoming west 5 to
10 knots late in the morning, then becoming south in the
afternoon. chance of snow in the afternoon. waves 1 to 3 feet
subsiding to 1 to 2 feet in the late morning and afternoon.
.friday night...south wind 15 to 20 knots with gusts to around
25 knots becoming southwest with gusts to around 25 knots after
midnight. snow likely. waves 1 to 3 feet building to 2 to 4 feet
after midnight. a small craft advisory may be needed.
.saturday...west wind up to 30 knots. gusts up to 35 knots in the
afternoon. heavy freezing spray. waves 5 to 8 feet. waves
occasionally to 10 feet. a gale warning may be needed.
$$
(3/13)
Latest Nearshore Marine Forecast by KDLH
Issued 12/18/2025 11:27 PM US/Central.
Valid through 12/19/2025 5:00 AM US/Central.
fzus53 kdlh 190527
nshdlh
expires:202512191100;;839450
nearshore marine forecast
national weather service duluth mn
1127 pm cst thu dec 18 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.
lsz146-191100-
port wing to sand island wi-
1127 pm cst thu dec 18 2025
...gale warning in effect until 4 am cst friday...
...heavy freezing spray warning in effect until 7 am cst friday...
...gale watch in effect from saturday morning through late
saturday night...
.rest of tonight...north wind 20 to 25 knots. gusts up to
30 knots decreasing to 25 knots toward daybreak. heavy freezing
spray late in the evening. snow late in the evening. chance of
snow after midnight, then slight chance of snow toward daybreak.
waves 4 to 7 feet. waves occasionally to 9 feet.
.friday...northwest wind 10 to 15 knots with gusts to around
20 knots becoming southwest 5 knots early in the afternoon, then
becoming south late in the afternoon. slight chance of snow in
the afternoon. waves 2 to 4 feet subsiding to 1 to 2 feet in the
late morning and afternoon.
.friday night...south wind 10 to 15 knots with gusts to around
25 knots becoming southwest 15 to 20 knots with gusts to around
25 knots after midnight. snow likely. waves 1 to 3 feet building
to 2 to 4 feet early in the morning. a small craft advisory may
be needed.
.saturday...west wind up to 30 knots. gusts up to 30 knots
increasing to 40 knots. slight chance of snow in the morning.
heavy freezing spray through the day. waves 5 to 8 feet. waves
occasionally to 11 feet. a gale warning may be needed.
$$
(4/13)
Latest Nearshore Marine Forecast by KDLH
Issued 12/18/2025 11:27 PM US/Central.
Valid through 12/19/2025 5:00 AM US/Central.
fzus53 kdlh 190527
nshdlh
expires:202512191100;;839451
nearshore marine forecast
national weather service duluth mn
1127 pm cst thu dec 18 2025
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz147-191100-
sand island to bayfield wi-
1127 pm cst thu dec 18 2025
...gale warning in effect until 4 am cst friday...
...heavy freezing spray warning in effect until 7 am cst friday...
...gale watch in effect from saturday morning through late
saturday night...
.rest of tonight...north wind 20 to 25 knots. gusts up to
30 knots decreasing to 25 knots toward daybreak. heavy freezing
spray late in the evening. snow late in the evening, then chance
of snow toward daybreak. waves 4 to 7 feet. waves occasionally to
9 feet.
.friday...northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 knots early in the afternoon, then
becoming south late in the afternoon. slight chance of snow in
the afternoon. waves 2 to 4 feet subsiding to 1 to 2 feet in the
late morning and afternoon.
.friday night...south wind 10 to 15 knots with gusts to around
25 knots becoming southwest 15 to 20 knots with gusts to around
25 knots early in the morning. snow likely. waves 1 to 3 feet.
.saturday...west wind up to 30 knots with gales to around
40 knots. slight chance of snow in the morning. heavy freezing
spray in the afternoon. waves 4 to 6 feet building to 5 to 8 feet
in the late morning and afternoon. waves occasionally to 10 feet.
a gale warning may be needed.
$$
(5/13)
Latest Nearshore Marine Forecast by KDLH
Issued 12/18/2025 11:27 PM US/Central.
Valid through 12/19/2025 5:00 AM US/Central.
fzus53 kdlh 190527
nshdlh
expires:202512191100;;839453
nearshore marine forecast
national weather service duluth mn
1127 pm cst thu dec 18 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.
lsz121-191100-
chequamegon bay-bayfield to oak point wi-
1127 pm cst thu dec 18 2025
...gale warning in effect until 4 am cst friday...
...heavy freezing spray warning in effect until 7 am cst friday...
...gale watch in effect from saturday morning through late
saturday night...
.rest of tonight...northwest wind 20 to 25 knots. gusts up to
25 knots increasing to 30 knots after midnight, then decreasing
to 25 knots toward daybreak. snow late in the evening, then snow
likely after midnight. chance of snow toward daybreak. waves 1 to
3 feet.
.friday...northwest wind 10 to 15 knots with gusts to around
20 knots becoming west 5 knots early in the afternoon, then
becoming south late in the afternoon. slight chance of snow in
the afternoon. waves 1 to 2 feet.
.friday night...south wind 10 to 15 knots becoming southwest
early in the morning. gusts up to 20 knots. snow likely. waves
1 foot or less.
.saturday...west wind 20 to 25 knots. gusts up to 25 knots
increasing to 35 knots. slight chance of snow in the morning.
waves 1 to 3 feet. a gale warning may be needed.
$$
(6/13)
Latest Nearshore Marine Forecast by KDLH
Issued 12/18/2025 11:27 PM US/Central.
Valid through 12/19/2025 5:00 AM US/Central.
fzus53 kdlh 190527
nshdlh
expires:202512191100;;839444
nearshore marine forecast
national weather service duluth mn
1127 pm cst thu dec 18 2025
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz140-191100-
grand portage to grand marais mn-
1127 pm cst thu dec 18 2025
...gale warning in effect until 4 am cst friday...
...gale watch in effect from saturday morning through late
saturday night...
.rest of tonight...north wind up to 30 knots. gales up to
40 knots increasing to 45 knots after midnight, then decreasing
to 40 knots toward daybreak. heavy freezing spray late in the
evening. snow late in the evening, then snow likely after
midnight. chance of snow toward daybreak. waves 4 to 7 feet.
waves occasionally to 9 feet.
.friday...north wind 20 to 25 knots with gusts to around 30 knots
becoming northeast 5 to 10 knots early in the afternoon, then
becoming southeast late in the afternoon. mostly sunny. waves
2 to 4 feet subsiding to 1 to 2 feet in the afternoon. a small
craft advisory may be needed.
.friday night...south wind 20 to 25 knots with gales to around
35 knots becoming southwest with gusts to around 30 knots early
in the morning. snow likely. waves 1 to 2 feet building to 4 to
7 feet in the late evening and overnight. waves occasionally to
9 feet. a gale warning may be needed.
.saturday...west wind 20 to 25 knots. gusts up to 35 knots.
slight chance of snow in the morning. heavy freezing spray in the
afternoon. waves 5 to 8 feet. waves occasionally to 10 feet. a
gale warning may be needed.
$$
(7/13)
Latest Nearshore Marine Forecast by KDLH
Issued 12/18/2025 11:27 PM US/Central.
Valid through 12/19/2025 5:00 AM US/Central.
fzus53 kdlh 190527
nshdlh
expires:202512191100;;839445
nearshore marine forecast
national weather service duluth mn
1127 pm cst thu dec 18 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.
lsz141-191100-
grand marais to taconite harbor mn-
1127 pm cst thu dec 18 2025
...gale warning in effect until 4 am cst friday...
...gale watch in effect from saturday morning through late
saturday night...
.rest of tonight...north wind 20 to 25 knots. gales up to
40 knots decreasing to 35 knots toward daybreak. chance of snow
late in the evening, then slight chance of snow toward daybreak.
waves 2 to 4 feet.
.friday...north wind 15 to 20 knots with gusts to around 25 knots
easing to 5 to 10 knots with gusts to around 20 knots late in the
morning, then becoming west early in the afternoon becoming south
late in the afternoon. chance of snow in the afternoon. waves
1 to 2 feet.
.friday night...south wind 15 to 20 knots with gusts to around
30 knots becoming southwest with gusts to around 30 knots after
midnight. snow likely. waves 1 to 2 feet building to 2 to 4 feet
in the late evening and overnight. a small craft advisory may be
needed.
.saturday...west wind 20 to 25 knots. gusts up to 30 knots
increasing to 35 knots in the late morning and afternoon. slight
chance of snow in the morning. waves 3 to 5 feet. waves
occasionally to 7 feet. a gale warning may be needed.
$$
(8/13)
Latest Nearshore Marine Forecast by KDLH
Issued 12/18/2025 11:27 PM US/Central.
Valid through 12/19/2025 5:00 AM US/Central.
fzus53 kdlh 190527
nshdlh
expires:202512191100;;839446
nearshore marine forecast
national weather service duluth mn
1127 pm cst thu dec 18 2025
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz142-191100-
taconite harbor to silver bay harbor mn-
1127 pm cst thu dec 18 2025
...gale warning in effect until 4 am cst friday...
...gale watch in effect from saturday morning through late
saturday night...
.rest of tonight...north wind 15 to 20 knots. gusts up to
35 knots increasing to 40 knots after midnight, then decreasing
to 35 knots toward daybreak. chance of snow late in the evening,
then slight chance of snow toward daybreak. waves 2 to 4 feet
subsiding to 1 to 3 feet toward daybreak.
.friday...northwest wind 10 to 15 knots with gusts to around
25 knots becoming west 5 knots early in the afternoon, then
becoming south late in the afternoon. chance of snow in the
afternoon. waves 1 to 2 feet.
.friday night...south wind 10 to 15 knots becoming southwest
after midnight. gusts up to 25 knots. snow likely in the evening,
then chance of snow after midnight. waves 1 to 2 feet building to
1 to 3 feet early in the morning.
.saturday...west wind 20 to 25 knots. gusts up to 30 knots
increasing to 35 knots early in the afternoon, then decreasing to
30 knots late in the afternoon. slight chance of snow in the
morning. waves 2 to 4 feet. a gale warning may be needed.
$$
(9/13)
Latest Nearshore Marine Forecast by KDLH
Issued 12/18/2025 11:27 PM US/Central.
Valid through 12/19/2025 5:00 AM US/Central.
fzus53 kdlh 190527
nshdlh
expires:202512191100;;839447
nearshore marine forecast
national weather service duluth mn
1127 pm cst thu dec 18 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.
lsz143-191100-
silver bay harbor to two harbors mn-
1127 pm cst thu dec 18 2025
...gale warning in effect until 4 am cst friday...
...gale watch in effect from saturday morning through late
saturday night...
.rest of tonight...north wind 15 to 20 knots. gusts up to
30 knots increasing to 35 knots after midnight, then decreasing
to 30 knots toward daybreak. chance of snow late in the evening,
then slight chance of snow after midnight. waves 2 to 4 feet
subsiding to 1 to 2 feet toward daybreak.
.friday...northwest wind 10 to 15 knots with gusts to around
20 knots becoming southwest 5 knots early in the afternoon, then
becoming south late in the afternoon. chance of snow in the
afternoon. waves 1 to 2 feet.
.friday night...south wind 10 to 15 knots with gusts to around
25 knots becoming southwest 15 to 20 knots with gusts to around
25 knots after midnight. snow likely. waves 1 to 3 feet building
to 2 to 4 feet after midnight.
.saturday...west wind 20 to 25 knots. gusts up to 30 knots
increasing to 35 knots in the afternoon. partly sunny. waves 3 to
5 feet. a gale warning may be needed.
$$
(10/13)
Latest Nearshore Marine Forecast by KDLH
Issued 12/18/2025 11:27 PM US/Central.
Valid through 12/19/2025 5:00 AM US/Central.
fzus53 kdlh 190527
nshdlh
expires:202512191100;;839448
nearshore marine forecast
national weather service duluth mn
1127 pm cst thu dec 18 2025
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz144-191100-
two harbors to duluth mn-
1127 pm cst thu dec 18 2025
...gale warning in effect until 4 am cst friday...
...gale watch in effect from saturday morning through late
saturday night...
.rest of tonight...northwest wind 20 to 25 knots. gusts up to
30 knots decreasing to 25 knots toward daybreak. chance of snow
late in the evening, then slight chance of snow after midnight.
waves 2 to 4 feet subsiding to 1 to 3 feet toward daybreak.
.friday...northwest wind 10 to 15 knots with gusts to around
20 knots becoming south 5 to 10 knots in the afternoon. chance of
snow in the afternoon. waves 1 to 2 feet.
.friday night...south wind 15 to 20 knots with gusts to around
25 knots becoming southwest with gusts to around 25 knots after
midnight. snow likely. waves 1 to 3 feet building to 2 to 4 feet
after midnight.
.saturday...west wind up to 30 knots. gusts up to 30 knots
increasing to 35 knots in the afternoon. partly sunny. waves 4 to
6 feet. waves occasionally to 7 feet. a gale warning may be
needed.
$$
(11/13)
Latest Nearshore Marine Forecast by KMQT
Issued 12/18/2025 11:01 PM America/New_York.
Valid through 12/19/2025 4:00 AM America/New_York.
fzus53 kmqt 190401
nshmqt
expires:202512190900;;836388
nearshore marine forecast
national weather service marquette mi
1100 pm est thu dec 18 2025
for waters within five nautical miles of shore
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.
lsz241-190900-
black river to ontonagon mi-
1100 pm est thu dec 18 2025 /1000 pm cst thu dec 18 2025/
...gale warning in effect until 7 am est /6 am cst/ friday...
...heavy freezing spray warning in effect until 8 am est /7 am
cst/ friday...
...gale watch in effect from saturday morning through late
saturday night...
.rest of tonight...north wind up to 30 knots. snow. freezing
spray. waves 8 to 11 feet occasionally to 14 feet building to
9 to 12 feet occasionally to 15 feet, then subsiding to 8 to
11 feet occasionally to 14 feet.
.friday...north wind 15 to 25 knots becoming northwest 5 to
15 knots with gusts up to 29 knots by late morning, then backing
south less than 10 knots late. cloudy. freezing spray through mid
morning. a chance of snow through early afternoon, then a slight
chance of snow showers late. waves subsiding to 2 to 3 feet.
.friday night...south wind 10 to 15 knots increasing to 15 to
20 knots after midnight. cloudy. a slight chance of snow in the
evening, then snow after midnight. waves subsiding to 1 to
2 feet, then building to 2 to 4 feet.
.saturday...southwest wind up to 30 knots veering west in the
afternoon. gale force gusts up to 37 knots. mostly cloudy with a
slight chance of snow. freezing spray in the afternoon. waves
building to 8 to 11 feet occasionally to 14 feet.
note: wave height forecasts are for ice free areas.
$$
(12/13)
Latest Nearshore Marine Forecast by KMQT
Issued 12/18/2025 11:01 PM America/New_York.
Valid through 12/19/2025 4:00 AM America/New_York.
fzus53 kmqt 190401
nshmqt
expires:202512190900;;836390
nearshore marine forecast
national weather service marquette mi
1100 pm est thu dec 18 2025
for waters within five nautical miles of shore
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.
lsz242-190900-
ontonagon to upper entrance of portage canal mi-
1100 pm est thu dec 18 2025
...gale warning in effect until 7 am est friday...
...heavy freezing spray warning in effect until 8 am est friday...
...gale watch in effect from saturday morning through late
saturday night...
.rest of tonight...north wind up to 30 knots with gale force
gusts up to 47 knots. snow. heavy freezing spray. waves 10 to
14 feet occasionally to 18 feet building to 12 to 17 feet
occasionally to 21 feet, then subsiding to 11 to 15 feet
occasionally to 19 feet.
.friday...north wind up to 30 knots with gale force gusts up to
42 knots diminishing to 10 to 20 knots with gale force gusts up
to 42 knots by late morning, then veering southeast less than
10 knots with gusts up to 20 knots late. cloudy. freezing spray
through early afternoon. snow likely through mid morning. a
chance of snow showers by late morning, then a slight chance of
snow showers late. waves subsiding to 2 to 3 feet.
.friday night...south wind 10 to 20 knots increasing to 15 to
25 knots after midnight. cloudy. a slight chance of snow in the
evening, then snow after midnight. waves subsiding to 1 to
2 feet, then building to 2 to 4 feet.
.saturday...southwest wind up to 30 knots veering west gales to
35 knots in the afternoon. gale force gusts up to 44 knots.
mostly cloudy with a chance of snow. freezing spray in the
afternoon. waves building to 11 to 15 feet occasionally to
19 feet, then subsiding to 10 to 14 feet occasionally to 18 feet.
note: wave height forecasts are for ice free areas.
$$
(13/13)
Latest Nearshore Marine Forecast by KMQT
Issued 12/18/2025 11:01 PM America/New_York.
Valid through 12/19/2025 4:00 AM America/New_York.
fzus53 kmqt 190401
nshmqt
expires:202512190900;;836387
nearshore marine forecast
national weather service marquette mi
1100 pm est thu dec 18 2025
for waters within five nautical miles of shore
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.
lsz240-190900-
saxon harbor wi to black river mi-
1100 pm est thu dec 18 2025 /1000 pm cst thu dec 18 2025/
...gale warning in effect until 4 am est /3 am cst/ friday...
...heavy freezing spray warning in effect until 8 am est /7 am
cst/ friday...
...gale watch in effect from saturday morning through late
saturday night...
.rest of tonight...north wind up to 30 knots with gale force
gusts up to 39 knots. snow. heavy freezing spray. waves 7 to
10 feet occasionally to 13 feet subsiding to 6 to 9 feet
occasionally to 11 feet.
.friday...northwest wind 10 to 20 knots with gusts up to 28 knots
diminishing to less than 10 knots with gusts up to 28 knots by
late morning, then backing south late. cloudy. freezing spray
through mid morning. snow likely through mid morning, then a
chance of snow showers by late morning. a slight chance of snow
showers late. waves subsiding to 1 to 2 feet.
.friday night...south wind 10 to 20 knots veering southwest 15 to
20 knots after midnight. cloudy. a slight chance of snow in the
evening, then snow likely after midnight. waves building to 2 to
3 feet.
.saturday...southwest wind 20 to 25 knots veering west up to
30 knots in the afternoon. mostly cloudy with a slight chance of
snow. freezing spray in the afternoon. waves building to 5 to
8 feet occasionally to 10 feet.
note: wave height forecasts are for ice free areas.
$$
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