(1/12)
Latest Nearshore Marine Forecast by KDLH
Issued 8/18/2026 5:58 AM US/Central.
Valid through 8/18/2026 11:00 AM US/Central.
fzus53 kdlh 181058
nshdlh
expires:202608181600;;932956
nearshore marine forecast
national weather service duluth mn
557 am cdt tue aug 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.
lsz148-181600-
oak point to saxon harbor wi-
557 am cdt tue aug 18 2026
.today...west wind 5 to 10 knots becoming northwest late in the
morning, then becoming north early in the afternoon becoming
southeast late in the afternoon. mostly sunny. waves 1 foot or
less.
.tonight...west wind 5 knots. mostly clear. waves 1 foot or less.
.wednesday...west wind 5 knots becoming north early in the
afternoon, then becoming east late in the afternoon. sunny. waves
1 foot or less.
.wednesday night...southeast wind 5 knots becoming south in the
late evening and overnight. partly cloudy. waves 1 foot or less.
$$
(2/12)
Latest Nearshore Marine Forecast by KDLH
Issued 8/18/2026 5:58 AM US/Central.
Valid through 8/18/2026 11:00 AM US/Central.
fzus53 kdlh 181058
nshdlh
expires:202608181600;;932952
nearshore marine forecast
national weather service duluth mn
557 am cdt tue aug 18 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz146-181600-
port wing to sand island wi-
557 am cdt tue aug 18 2026
.today...west wind 5 to 10 knots. mostly sunny. waves 1 foot or
less.
.tonight...west wind 5 knots. mostly clear. waves 1 foot or less.
.wednesday...southwest wind 5 knots. sunny. waves 1 foot or less.
.wednesday night...south wind 5 knots early in the evening
becoming variable 10 knots or less, then becoming east 5 knots
early in the morning. partly cloudy. waves 1 foot or less.
$$
(3/12)
Latest Nearshore Marine Forecast by KDLH
Issued 8/18/2026 5:58 AM US/Central.
Valid through 8/18/2026 11:00 AM US/Central.
fzus53 kdlh 181058
nshdlh
expires:202608181600;;932953
nearshore marine forecast
national weather service duluth mn
557 am cdt tue aug 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.
lsz147-181600-
sand island to bayfield wi-
557 am cdt tue aug 18 2026
.today...west wind 5 to 10 knots. mostly sunny. waves 1 foot or
less.
.tonight...west wind 5 knots. mostly clear. waves 1 foot or less.
.wednesday...west wind 5 knots becoming southwest late in the
afternoon. sunny. waves 1 foot or less.
.wednesday night...south wind 5 knots early in the evening
becoming variable 10 knots or less. partly cloudy. waves 1 foot
or less.
$$
(4/12)
Latest Nearshore Marine Forecast by KDLH
Issued 8/18/2026 5:58 AM US/Central.
Valid through 8/18/2026 11:00 AM US/Central.
fzus53 kdlh 181058
nshdlh
expires:202608181600;;932955
nearshore marine forecast
national weather service duluth mn
557 am cdt tue aug 18 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz121-181600-
chequamegon bay-bayfield to oak point wi-
557 am cdt tue aug 18 2026
.today...west wind 5 knots becoming northwest in the late morning
and afternoon. mostly sunny. waves 1 foot or less.
.tonight...west wind 5 knots. mostly clear. waves 1 foot or less.
.wednesday...west wind 5 knots becoming north late in the
afternoon. sunny. waves 1 foot or less.
.wednesday night...east wind 5 knots becoming southwest in the
late evening and overnight. partly cloudy. waves 1 foot or less.
$$
(5/12)
Latest Nearshore Marine Forecast by KDLH
Issued 8/18/2026 5:58 AM US/Central.
Valid through 8/18/2026 11:00 AM US/Central.
fzus53 kdlh 181058
nshdlh
expires:202608181600;;932946
nearshore marine forecast
national weather service duluth mn
557 am cdt tue aug 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.
lsz140-181600-
grand portage to grand marais mn-
557 am cdt tue aug 18 2026
...small craft advisory in effect from 3 pm cdt this afternoon
through this evening...
.today...west wind 10 to 15 knots with gusts to around 20 knots
becoming southwest with gusts to around 25 knots late in the
afternoon. mostly sunny. waves 1 to 3 feet.
.tonight...west wind 10 to 15 knots with gusts to around 20 knots
becoming northwest 5 to 10 knots after midnight. mostly clear.
waves 1 to 3 feet.
.wednesday...northwest wind 5 to 10 knots becoming southwest with
gusts to around 20 knots in the late morning and afternoon.
sunny. waves 1 to 2 feet.
.wednesday night...southwest wind 5 to 10 knots becoming
northwest late in the evening, then becoming north after
midnight. partly cloudy. waves 1 to 2 feet.
$$
(6/12)
Latest Nearshore Marine Forecast by KDLH
Issued 8/18/2026 5:58 AM US/Central.
Valid through 8/18/2026 11:00 AM US/Central.
fzus53 kdlh 181058
nshdlh
expires:202608181600;;932947
nearshore marine forecast
national weather service duluth mn
557 am cdt tue aug 18 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz141-181600-
grand marais to taconite harbor mn-
557 am cdt tue aug 18 2026
.today...west wind 5 to 10 knots. gusts up to 20 knots in the
afternoon. sunny. waves 1 foot or less.
.tonight...west wind 5 to 10 knots. mostly clear. waves 1 foot or
less.
.wednesday...northwest wind 5 knots becoming southwest in the
late morning and afternoon. sunny. waves 1 foot or less.
.wednesday night...southwest wind 5 knots becoming north in the
late evening and overnight. partly cloudy. waves 1 foot or less.
$$
(7/12)
Latest Nearshore Marine Forecast by KDLH
Issued 8/18/2026 5:58 AM US/Central.
Valid through 8/18/2026 11:00 AM US/Central.
fzus53 kdlh 181058
nshdlh
expires:202608181600;;932948
nearshore marine forecast
national weather service duluth mn
557 am cdt tue aug 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.
lsz142-181600-
taconite harbor to silver bay harbor mn-
557 am cdt tue aug 18 2026
.today...west wind 5 knots becoming southwest in the afternoon.
sunny. waves 1 foot or less.
.tonight...northwest wind 5 knots. mostly clear. waves 1 foot or
less.
.wednesday...northwest wind 5 knots becoming southwest in the
late morning and afternoon. sunny. waves 1 foot or less.
.wednesday night...west wind 5 knots early in the evening
becoming variable 10 knots or less, then becoming north 5 knots
after midnight becoming variable 10 knots or less. partly cloudy.
waves 1 foot or less.
$$
(8/12)
Latest Nearshore Marine Forecast by KDLH
Issued 8/18/2026 5:58 AM US/Central.
Valid through 8/18/2026 11:00 AM US/Central.
fzus53 kdlh 181058
nshdlh
expires:202608181600;;932949
nearshore marine forecast
national weather service duluth mn
557 am cdt tue aug 18 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz143-181600-
silver bay harbor to two harbors mn-
557 am cdt tue aug 18 2026
.today...west wind 5 knots. mostly sunny. waves 1 foot or less.
.tonight...northwest wind 5 knots. mostly clear. waves 1 foot or
less.
.wednesday...northwest wind 5 knots becoming southwest in the
late morning and afternoon. sunny. waves 1 foot or less.
.wednesday night...northwest wind 5 knots early in the evening
becoming variable 10 knots or less. partly cloudy. waves 1 foot
or less.
$$
(9/12)
Latest Nearshore Marine Forecast by KDLH
Issued 8/18/2026 5:58 AM US/Central.
Valid through 8/18/2026 11:00 AM US/Central.
fzus53 kdlh 181058
nshdlh
expires:202608181600;;932950
nearshore marine forecast
national weather service duluth mn
557 am cdt tue aug 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.
lsz144-181600-
two harbors to duluth mn-
557 am cdt tue aug 18 2026
.today...west wind 5 to 10 knots. mostly sunny. waves 1 foot or
less.
.tonight...northwest wind 5 to 10 knots. mostly clear. waves
1 foot or less.
.wednesday...west wind 5 knots becoming southwest in the late
morning and afternoon. sunny. waves 1 foot or less.
.wednesday night...west wind 5 knots becoming north late in the
evening, then becoming variable 10 knots or less after midnight
becoming north 5 knots early in the morning. slight chance of
rain showers after midnight. waves 1 foot or less.
$$
(10/12)
Latest Nearshore Marine Forecast by KDLH
Issued 8/18/2026 5:58 AM US/Central.
Valid through 8/18/2026 11:00 AM US/Central.
fzus53 kdlh 181058
nshdlh
expires:202608181600;;932951
nearshore marine forecast
national weather service duluth mn
557 am cdt tue aug 18 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz145-181600-
duluth mn to port wing wi-
557 am cdt tue aug 18 2026
.today...west wind 5 to 10 knots. partly sunny early in the
morning then clearing. waves 1 foot or less.
.tonight...west wind 5 to 10 knots. mostly clear. waves 1 foot or
less.
.wednesday...west wind 5 knots. sunny. waves 1 foot or less.
.wednesday night...northeast wind 5 knots becoming southeast in
the late evening and overnight. slight chance of rain showers
after midnight. waves 1 foot or less.
$$
(11/12)
Latest Nearshore Marine Forecast by KMQT
Issued 8/18/2026 5:01 AM America/New_York.
Valid through 8/18/2026 4:00 PM America/New_York.
fzus53 kmqt 180901
nshmqt
expires:202608182000;;928370
nearshore marine forecast
national weather service marquette mi
501 am edt tue aug 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.
lsz242-243-182000-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
501 am edt tue aug 18 2026
.early this morning...west wind 10 to 15 knots with gusts up to
23 knots. cloudy. waves 2 to 3 feet.
.today...northwest wind 10 to 15 knots backing southwest late.
gusts up to 23 knots. mostly sunny. waves subsiding to 1 to
2 feet.
.tonight...west wind 10 to 15 knots becoming 5 to 15 knots by
midnight. gusts up to 22 knots. mostly clear. waves building to
2 to 3 feet, then subsiding to 1 to 2 feet.
.wednesday...west wind less than 10 knots. sunny. waves 1 to
2 feet.
.wednesday night...south wind less than 10 knots. mostly clear.
waves calm to 1 foot.
$$
(12/12)
Latest Nearshore Marine Forecast by KMQT
Issued 8/18/2026 5:01 AM America/New_York.
Valid through 8/18/2026 4:00 PM America/New_York.
fzus53 kmqt 180901
nshmqt
expires:202608182000;;928369
nearshore marine forecast
national weather service marquette mi
501 am edt tue aug 18 2026
for waters within five nautical miles of shore
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
lsz240-241-182000-
saxon harbor wi to black river mi-
black river to ontonagon mi-
501 am edt tue aug 18 2026 /401 am cdt tue aug 18 2026/
.early this morning...west wind 10 to 15 knots with gusts up to
22 knots. cloudy. waves 1 to 2 feet.
.today...northwest wind 5 to 15 knots backing southwest less than
10 knots late. partly cloudy through mid morning then clearing.
waves 1 to 2 feet.
.tonight...southwest wind less than 10 knots veering west by
midnight. clear. waves calm to 1 foot.
.wednesday...west wind less than 10 knots. sunny. waves calm to
1 foot.
.wednesday night...south wind less than 10 knots. mostly clear.
waves calm to 1 foot.
$$
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