(1/13)
Latest Nearshore Marine Forecast by KDLH
Issued 4/18/2026 10:18 PM US/Central.
Valid through 4/19/2026 5:00 AM US/Central.
fzus53 kdlh 190318
nshdlh
expires:202604191000;;612838
nearshore marine forecast
national weather service duluth mn
1018 pm cdt sat apr 18 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.
lsz148-191000-
oak point to saxon harbor wi-
1018 pm cdt sat apr 18 2026
.rest of tonight...west wind 10 to 15 knots with gusts to around
20 knots becoming northwest toward daybreak. partly cloudy in the
late evening and early morning then becoming mostly cloudy. waves
1 to 3 feet.
.sunday...northwest wind 10 to 15 knots. mostly sunny. waves 1 to
3 feet.
.sunday night...northwest wind 5 knots becoming southwest early
in the morning. mostly clear. waves 1 foot or less.
.monday...south wind 10 to 15 knots with gusts to around
20 knots. partly sunny. waves 1 to 2 feet.
note...wave height forecasts are for ice free areas.
$$
(2/13)
Latest Nearshore Marine Forecast by KDLH
Issued 4/18/2026 10:18 PM US/Central.
Valid through 4/19/2026 5:00 AM US/Central.
fzus53 kdlh 190318
nshdlh
expires:202604191000;;612833
nearshore marine forecast
national weather service duluth mn
1018 pm cdt sat apr 18 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz145-191000-
duluth mn to port wing wi-
1018 pm cdt sat apr 18 2026
...small craft advisory in effect until 4 am cdt sunday...
.rest of tonight...west wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 to 10 knots toward daybreak. partly
cloudy in the late evening and early morning then becoming mostly
cloudy. waves 1 to 3 feet subsiding to 1 to 2 feet after
midnight.
.sunday...northwest wind 5 to 10 knots. sunny. waves 1 to 2 feet.
.sunday night...northwest wind 5 to 10 knots becoming south early
in the morning. mostly clear. waves 1 foot or less.
.monday...south wind 15 to 20 knots with gusts to around
25 knots. partly sunny. waves 1 to 2 feet.
note...wave height forecasts are for ice free areas.
$$
(3/13)
Latest Nearshore Marine Forecast by KDLH
Issued 4/18/2026 10:18 PM US/Central.
Valid through 4/19/2026 5:00 AM US/Central.
fzus53 kdlh 190318
nshdlh
expires:202604191000;;612834
nearshore marine forecast
national weather service duluth mn
1018 pm cdt sat apr 18 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.
lsz146-191000-
port wing to sand island wi-
1018 pm cdt sat apr 18 2026
...small craft advisory in effect until 4 am cdt sunday...
.rest of tonight...northwest wind 10 to 15 knots. gusts up to
20 knots in the late evening and early morning. partly cloudy.
waves 2 to 4 feet subsiding to 1 to 3 feet toward daybreak.
.sunday...northwest wind 5 to 10 knots. mostly sunny. waves 1 to
3 feet.
.sunday night...north wind 5 knots becoming south early in the
morning. mostly clear. waves 1 foot or less.
.monday...south wind 5 to 10 knots. partly sunny. waves 1 foot or
less.
note...wave height forecasts are for ice free areas.
$$
(4/13)
Latest Nearshore Marine Forecast by KDLH
Issued 4/18/2026 10:18 PM US/Central.
Valid through 4/19/2026 5:00 AM US/Central.
fzus53 kdlh 190318
nshdlh
expires:202604191000;;612835
nearshore marine forecast
national weather service duluth mn
1018 pm cdt sat apr 18 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz147-191000-
sand island to bayfield wi-
1018 pm cdt sat apr 18 2026
.rest of tonight...northwest wind 10 to 15 knots with gusts to
around 20 knots. partly cloudy. waves 2 to 4 feet.
.sunday...northwest wind 5 to 10 knots. mostly sunny. waves 1 to
3 feet.
.sunday night...northwest wind 5 knots becoming west early in the
morning. mostly clear. waves 1 foot or less.
.monday...south wind 5 to 10 knots. partly sunny. waves 1 foot or
less.
note...wave height forecasts are for ice free areas.
$$
(5/13)
Latest Nearshore Marine Forecast by KDLH
Issued 4/18/2026 10:18 PM US/Central.
Valid through 4/19/2026 5:00 AM US/Central.
fzus53 kdlh 190318
nshdlh
expires:202604191000;;612837
nearshore marine forecast
national weather service duluth mn
1018 pm cdt sat apr 18 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.
lsz121-191000-
chequamegon bay-bayfield to oak point wi-
1018 pm cdt sat apr 18 2026
.rest of tonight...west wind 5 to 10 knots with gusts to around
20 knots becoming northwest toward daybreak. partly cloudy in the
late evening and early morning then becoming mostly cloudy. waves
1 foot or less.
.sunday...northwest wind 5 to 10 knots. mostly sunny. waves
1 foot or less.
.sunday night...northwest wind 5 knots becoming southwest early
in the morning. mostly clear. waves 1 foot or less.
.monday...south wind 5 to 10 knots. gusts up to 20 knots in the
afternoon. partly sunny. waves 1 foot or less.
note...wave height forecasts are for ice free areas.
$$
(6/13)
Latest Nearshore Marine Forecast by KDLH
Issued 4/18/2026 10:18 PM US/Central.
Valid through 4/19/2026 5:00 AM US/Central.
fzus53 kdlh 190318
nshdlh
expires:202604191000;;612828
nearshore marine forecast
national weather service duluth mn
1018 pm cdt sat apr 18 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz140-191000-
grand portage to grand marais mn-
1018 pm cdt sat apr 18 2026
...small craft advisory in effect until 4 am cdt sunday...
.rest of tonight...northwest wind 15 to 20 knots. gusts up to
30 knots decreasing to 25 knots toward daybreak. mostly cloudy
then becoming partly cloudy after midnight then becoming mostly
cloudy. waves 2 to 4 feet subsiding to 1 to 3 feet toward
daybreak.
.sunday...northwest wind 15 to 20 knots. gusts up to 25 knots.
mostly sunny. waves 1 to 3 feet.
.sunday night...northwest wind 10 to 15 knots. gusts up to
20 knots early in the evening. mostly clear. waves 1 foot or
less.
.monday...southwest wind 10 to 15 knots with gusts to around
20 knots becoming south 15 to 20 knots with gusts to around
30 knots in the afternoon. partly sunny. waves 1 to 2 feet
building to 3 to 5 feet in the afternoon. a small craft advisory
may be needed.
note...wave height forecasts are for ice free areas.
$$
(7/13)
Latest Nearshore Marine Forecast by KDLH
Issued 4/18/2026 10:18 PM US/Central.
Valid through 4/19/2026 5:00 AM US/Central.
fzus53 kdlh 190318
nshdlh
expires:202604191000;;612829
nearshore marine forecast
national weather service duluth mn
1018 pm cdt sat apr 18 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.
lsz141-191000-
grand marais to taconite harbor mn-
1018 pm cdt sat apr 18 2026
...small craft advisory in effect until 4 am cdt sunday...
.rest of tonight...northwest wind 10 to 15 knots. gusts up to
25 knots decreasing to 20 knots toward daybreak. mostly cloudy
then becoming partly cloudy after midnight then becoming mostly
cloudy. waves 1 to 3 feet.
.sunday...northwest wind 10 to 15 knots. gusts up to 20 knots in
the morning. mostly sunny. waves 1 to 2 feet.
.sunday night...northwest wind 5 to 10 knots until early morning
becoming variable 10 knots or less. mostly clear. waves 1 foot or
less.
.monday...southwest wind 10 to 15 knots with gusts to around
20 knots becoming south with gusts to around 20 knots late in the
afternoon. partly sunny. waves 1 to 2 feet.
note...wave height forecasts are for ice free areas.
$$
(8/13)
Latest Nearshore Marine Forecast by KDLH
Issued 4/18/2026 10:18 PM US/Central.
Valid through 4/19/2026 5:00 AM US/Central.
fzus53 kdlh 190318
nshdlh
expires:202604191000;;612830
nearshore marine forecast
national weather service duluth mn
1018 pm cdt sat apr 18 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz142-191000-
taconite harbor to silver bay harbor mn-
1018 pm cdt sat apr 18 2026
...small craft advisory in effect until 4 am cdt sunday...
.rest of tonight...northwest wind 5 to 10 knots with gusts to
around 20 knots. mostly cloudy late in the evening then becoming
partly cloudy. waves 1 to 2 feet.
.sunday...northwest wind 5 to 10 knots. gusts up to 20 knots in
the morning. sunny. waves 1 foot or less.
.sunday night...northwest wind 5 knots until early morning
becoming variable 10 knots or less. mostly clear. waves 1 foot or
less.
.monday...south wind 5 to 10 knots. partly sunny. waves 1 foot or
less.
note...wave height forecasts are for ice free areas.
$$
(9/13)
Latest Nearshore Marine Forecast by KDLH
Issued 4/18/2026 10:18 PM US/Central.
Valid through 4/19/2026 5:00 AM US/Central.
fzus53 kdlh 190318
nshdlh
expires:202604191000;;612831
nearshore marine forecast
national weather service duluth mn
1018 pm cdt sat apr 18 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.
lsz143-191000-
silver bay harbor to two harbors mn-
1018 pm cdt sat apr 18 2026
.rest of tonight...west wind 5 to 10 knots with gusts to around
20 knots becoming northwest toward daybreak. partly cloudy. waves
1 to 2 feet.
.sunday...northwest wind 5 to 10 knots. sunny. waves 1 foot or
less.
.sunday night...northwest wind 5 knots until early morning
becoming variable 10 knots or less. mostly clear. waves 1 foot or
less.
.monday...south wind 10 to 15 knots. partly sunny. waves 1 to
2 feet.
note...wave height forecasts are for ice free areas.
$$
(10/13)
Latest Nearshore Marine Forecast by KDLH
Issued 4/18/2026 10:18 PM US/Central.
Valid through 4/19/2026 5:00 AM US/Central.
fzus53 kdlh 190318
nshdlh
expires:202604191000;;612832
nearshore marine forecast
national weather service duluth mn
1018 pm cdt sat apr 18 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz144-191000-
two harbors to duluth mn-
1018 pm cdt sat apr 18 2026
.rest of tonight...west wind 5 to 10 knots with gusts to around
20 knots becoming northwest toward daybreak. partly cloudy. waves
1 to 2 feet.
.sunday...northwest wind 5 to 10 knots. sunny. waves 1 foot or
less.
.sunday night...northwest wind 5 to 10 knots becoming southwest
early in the morning. mostly clear. waves 1 foot or less.
.monday...south wind 10 to 15 knots with gusts to around
20 knots. partly sunny. waves 1 to 3 feet.
note...wave height forecasts are for ice free areas.
$$
(11/13)
Latest Nearshore Marine Forecast by KMQT
Issued 4/18/2026 11:00 PM America/New_York.
Valid through 4/19/2026 4:00 AM America/New_York.
fzus53 kmqt 190300
nshmqt
expires:202604190800;;612050
nearshore marine forecast
national weather service marquette mi
1100 pm edt sat apr 18 2026
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.
lsz241-190800-
black river to ontonagon mi-
1100 pm edt sat apr 18 2026 /1000 pm cdt sat apr 18 2026/
...small craft advisory in effect through sunday afternoon...
.rest of tonight...northwest wind 15 to 25 knots. mostly cloudy
by midnight then becoming partly cloudy. waves 4 to 7 feet
occasionally to 9 feet subsiding to 3 to 6 feet occasionally to
8 feet.
.sunday...northwest wind 15 to 20 knots diminishing to 10 to
15 knots late. mostly cloudy through mid morning then clearing.
waves subsiding to 2 to 3 feet.
.sunday night...northwest wind less than 10 knots. mostly clear.
waves subsiding to 1 to 2 feet.
.monday...south wind 5 to 15 knots. partly cloudy. waves 1 to
2 feet.
$$
(12/13)
Latest Nearshore Marine Forecast by KMQT
Issued 4/18/2026 11:00 PM America/New_York.
Valid through 4/19/2026 4:00 AM America/New_York.
fzus53 kmqt 190300
nshmqt
expires:202604190800;;612051
nearshore marine forecast
national weather service marquette mi
1100 pm edt sat apr 18 2026
for waters within five nautical miles of shore
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
lsz242-243-190800-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
1100 pm edt sat apr 18 2026
...small craft advisory in effect through sunday afternoon...
.rest of tonight...northwest wind 20 to 25 knots. partly cloudy.
waves 6 to 9 feet occasionally to 11 feet subsiding to 4 to
7 feet occasionally to 9 feet.
.sunday...northwest wind 15 to 25 knots diminishing to 10 to
15 knots late. partly cloudy. waves subsiding to 2 to 3 feet.
.sunday night...northwest wind 5 to 15 knots. mostly clear. waves
subsiding to 1 to 2 feet.
.monday...southwest wind less than 10 knots backing south 10 to
15 knots in the afternoon. partly cloudy. waves 1 to 2 feet.
$$
(13/13)
Latest Nearshore Marine Forecast by KMQT
Issued 4/18/2026 11:00 PM America/New_York.
Valid through 4/19/2026 4:00 AM America/New_York.
fzus53 kmqt 190300
nshmqt
expires:202604190800;;612049
nearshore marine forecast
national weather service marquette mi
1100 pm edt sat apr 18 2026
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.
lsz240-190800-
saxon harbor wi to black river mi-
1100 pm edt sat apr 18 2026 /1000 pm cdt sat apr 18 2026/
...small craft advisory in effect until 2 am edt /1 am cdt/
sunday...
.rest of tonight...northwest wind 15 to 20 knots. partly cloudy.
waves 2 to 4 feet.
.sunday...northwest wind 10 to 20 knots. mostly cloudy through
mid morning then clearing. waves subsiding to 1 to 2 feet.
.sunday night...northwest wind less than 10 knots. mostly clear.
waves 1 to 2 feet.
.monday...south wind 5 to 15 knots. partly cloudy. waves building
to 1 to 2 feet.
$$
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