(1/12)
Latest Nearshore Marine Forecast by KDLH
Issued 7/17/2026 5:18 PM US/Central.
Valid through 7/17/2026 11:00 PM US/Central.
fzus53 kdlh 172218
nshdlh
expires:202607180400;;142950
nearshore marine forecast
national weather service duluth mn
518 pm cdt fri jul 17 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.
lsz148-180400-
oak point to saxon harbor wi-
518 pm cdt fri jul 17 2026
...dense smoke advisory in effect until 5 am cdt saturday...
.tonight...northwest wind 10 to 15 knots. gusts up to 20 knots
early in the evening. chance of showers early in the evening.
chance of thunderstorms in the evening. slight chance of showers
in the late evening and early morning. areas of smoke until early
morning. patchy smoke late in the night. waves 1 foot or less.
.saturday...northwest wind 5 to 10 knots becoming southeast late
in the afternoon. patchy smoke in the morning, then smoke in the
afternoon. waves 1 foot or less.
.saturday night...southeast wind 5 knots becoming southwest after
midnight. smoke. waves 1 foot or less.
.sunday...southwest wind 5 knots becoming southeast late in the
afternoon. smoke in the morning. waves 1 foot or less.
$$
(2/12)
Latest Nearshore Marine Forecast by KDLH
Issued 7/17/2026 5:18 PM US/Central.
Valid through 7/17/2026 11:00 PM US/Central.
fzus53 kdlh 172218
nshdlh
expires:202607180400;;142946
nearshore marine forecast
national weather service duluth mn
518 pm cdt fri jul 17 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz146-180400-
port wing to sand island wi-
518 pm cdt fri jul 17 2026
...dense smoke advisory in effect until 5 am cdt saturday...
.tonight...northeast wind 10 to 15 knots with gusts to around
20 knots becoming southwest 5 to 10 knots late in the evening,
then becoming west after midnight. chance of rain showers early
in the evening. slight chance of thunderstorms in the evening.
slight chance of rain showers late in the evening. areas of smoke
until early morning. waves 1 foot or less.
.saturday...west wind 5 to 10 knots becoming southwest in the
afternoon. patchy smoke in the morning, then smoke in the
afternoon. waves 1 foot or less.
.saturday night...east wind 5 knots becoming southwest after
midnight. smoke. waves 1 foot or less.
.sunday...southwest wind 5 knots. smoke in the morning. waves
1 foot or less.
$$
(3/12)
Latest Nearshore Marine Forecast by KDLH
Issued 7/17/2026 5:18 PM US/Central.
Valid through 7/17/2026 11:00 PM US/Central.
fzus53 kdlh 172218
nshdlh
expires:202607180400;;142947
nearshore marine forecast
national weather service duluth mn
518 pm cdt fri jul 17 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.
lsz147-180400-
sand island to bayfield wi-
518 pm cdt fri jul 17 2026
...dense smoke advisory in effect until 5 am cdt saturday...
.tonight...north wind 10 to 15 knots becoming west 5 to 10 knots
in the late evening and overnight. chance of rain showers early
in the evening. slight chance of thunderstorms in the evening.
slight chance of rain showers late in the evening. areas of smoke
until early morning. waves 1 foot or less.
.saturday...northwest wind 5 to 10 knots becoming south late in
the afternoon. patchy smoke in the morning, then areas of smoke
in the afternoon. waves 1 foot or less.
.saturday night...south wind 5 knots becoming southwest early in
the morning. smoke. waves 1 foot or less.
.sunday...southwest wind 5 knots in the morning becoming variable
10 knots or less, then becoming southeast 5 knots late in the
afternoon. smoke in the morning. waves 1 foot or less.
$$
(4/12)
Latest Nearshore Marine Forecast by KDLH
Issued 7/17/2026 5:18 PM US/Central.
Valid through 7/17/2026 11:00 PM US/Central.
fzus53 kdlh 172218
nshdlh
expires:202607180400;;142949
nearshore marine forecast
national weather service duluth mn
518 pm cdt fri jul 17 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz121-180400-
chequamegon bay-bayfield to oak point wi-
518 pm cdt fri jul 17 2026
...dense smoke advisory in effect until 5 am cdt saturday...
.tonight...west wind 5 to 10 knots with gusts to around 20 knots
becoming northwest 10 to 15 knots in the late evening and
overnight. chance of showers early in the evening. chance of
thunderstorms in the evening. slight chance of showers in the
late evening and early morning. areas of smoke until early
morning. patchy smoke late in the night. waves 1 foot or less.
.saturday...northwest wind 5 to 10 knots becoming east in the
afternoon. patchy smoke in the morning, then smoke in the
afternoon. waves 1 foot or less.
.saturday night...east wind 5 knots early in the evening becoming
variable 10 knots or less, then becoming southwest 5 knots after
midnight. smoke. waves 1 foot or less.
.sunday...southwest wind 5 knots. smoke in the morning. waves
1 foot or less.
$$
(5/12)
Latest Nearshore Marine Forecast by KDLH
Issued 7/17/2026 5:18 PM US/Central.
Valid through 7/17/2026 11:00 PM US/Central.
fzus53 kdlh 172218
nshdlh
expires:202607180400;;142940
nearshore marine forecast
national weather service duluth mn
518 pm cdt fri jul 17 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.
lsz140-180400-
grand portage to grand marais mn-
518 pm cdt fri jul 17 2026
...dense smoke advisory in effect until 5 am cdt saturday...
.tonight...southeast wind 5 to 10 knots becoming west 10 to
15 knots with gusts to around 25 knots in the late evening and
overnight. smoke in the evening. areas of smoke after midnight.
chance of showers and thunderstorms in the evening, then slight
chance of rain showers after midnight. waves 1 to 2 feet.
.saturday...northwest wind 10 to 15 knots with gusts to around
20 knots becoming southwest 5 to 10 knots in the afternoon.
smoke. waves 1 to 2 feet.
.saturday night...southwest wind 5 to 10 knots. areas of smoke.
waves 1 foot or less.
.sunday...southwest wind 10 to 15 knots with gusts to around
20 knots. areas of smoke in the morning. waves 1 to 2 feet.
$$
(6/12)
Latest Nearshore Marine Forecast by KDLH
Issued 7/17/2026 5:18 PM US/Central.
Valid through 7/17/2026 11:00 PM US/Central.
fzus53 kdlh 172218
nshdlh
expires:202607180400;;142941
nearshore marine forecast
national weather service duluth mn
518 pm cdt fri jul 17 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz141-180400-
grand marais to taconite harbor mn-
518 pm cdt fri jul 17 2026
...dense smoke advisory in effect until 5 am cdt saturday...
.tonight...east wind 5 to 10 knots becoming west 10 to 15 knots
with gusts to around 25 knots in the late evening and overnight.
chance of thunderstorms and slight chance of rain showers early
in the evening. chance of rain showers and slight chance of
thunderstorms late in the evening, then slight chance of rain
showers after midnight. areas of smoke until early morning.
patchy smoke late in the night. waves 1 foot or less.
.saturday...northwest wind 5 to 10 knots with gusts to around
25 knots becoming west in the afternoon. smoke. waves 1 foot or
less.
.saturday night...west wind 5 to 10 knots becoming north early in
the morning. areas of smoke in the evening, then smoke after
midnight. waves 1 foot or less.
.sunday...southwest wind 5 knots becoming south in the late
morning and afternoon. smoke in the morning. waves 1 foot or
less.
$$
(7/12)
Latest Nearshore Marine Forecast by KDLH
Issued 7/17/2026 5:18 PM US/Central.
Valid through 7/17/2026 11:00 PM US/Central.
fzus53 kdlh 172218
nshdlh
expires:202607180400;;142942
nearshore marine forecast
national weather service duluth mn
518 pm cdt fri jul 17 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.
lsz142-180400-
taconite harbor to silver bay harbor mn-
518 pm cdt fri jul 17 2026
...dense smoke advisory in effect until 5 am cdt saturday...
.tonight...northeast wind 5 to 10 knots becoming west with gusts
to around 25 knots in the late evening and overnight. chance of
showers and thunderstorms early in the evening. slight chance of
showers and thunderstorms late in the evening. areas of smoke
until early morning. patchy smoke late in the night. waves 1 foot
or less.
.saturday...northwest wind 5 to 10 knots with gusts to around
25 knots becoming southwest in the afternoon. areas of smoke in
the morning, then smoke in the afternoon. waves 1 foot or less.
.saturday night...southwest wind 5 knots. smoke. waves 1 foot or
less.
.sunday...southwest wind 5 knots becoming south late in the
afternoon. smoke in the morning. waves 1 foot or less.
$$
(8/12)
Latest Nearshore Marine Forecast by KDLH
Issued 7/17/2026 5:18 PM US/Central.
Valid through 7/17/2026 11:00 PM US/Central.
fzus53 kdlh 172218
nshdlh
expires:202607180400;;142943
nearshore marine forecast
national weather service duluth mn
518 pm cdt fri jul 17 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz143-180400-
silver bay harbor to two harbors mn-
518 pm cdt fri jul 17 2026
...dense smoke advisory in effect until 5 am cdt saturday...
.tonight...northeast wind 10 to 15 knots becoming northwest 5 to
10 knots late in the evening, then becoming west with gusts to
around 20 knots after midnight. chance of rain showers early in
the evening. slight chance of thunderstorms in the evening.
slight chance of rain showers late in the evening. areas of smoke
until early morning. patchy smoke late in the night. waves 1 foot
or less.
.saturday...west wind 5 to 10 knots with gusts to around 20 knots
becoming southwest in the afternoon. areas of smoke. waves 1 foot
or less.
.saturday night...southwest wind 5 knots becoming northwest late
in the evening, then becoming west after midnight. smoke. waves
1 foot or less.
.sunday...southwest wind 5 knots. smoke in the morning. waves
1 foot or less.
$$
(9/12)
Latest Nearshore Marine Forecast by KDLH
Issued 7/17/2026 5:18 PM US/Central.
Valid through 7/17/2026 11:00 PM US/Central.
fzus53 kdlh 172218
nshdlh
expires:202607180400;;142944
nearshore marine forecast
national weather service duluth mn
518 pm cdt fri jul 17 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.
lsz144-180400-
two harbors to duluth mn-
518 pm cdt fri jul 17 2026
...dense smoke advisory in effect until 5 am cdt saturday...
.tonight...north wind 10 to 15 knots with gusts to around
20 knots becoming west 5 to 10 knots with gusts to around
20 knots after midnight. chance of rain showers and slight chance
of thunderstorms early in the evening. areas of smoke until early
morning. waves 1 to 2 feet.
.saturday...northwest wind 10 to 15 knots with gusts to around
20 knots becoming southwest 5 to 10 knots late in the morning,
then becoming south early in the afternoon becoming southeast
late in the afternoon. areas of smoke. waves 1 foot or less.
.saturday night...northeast wind 5 knots becoming north after
midnight, then becoming southwest early in the morning. smoke.
waves 1 foot or less.
.sunday...southwest wind 5 to 10 knots. smoke in the morning.
waves 1 foot or less.
$$
(10/12)
Latest Nearshore Marine Forecast by KDLH
Issued 7/17/2026 5:18 PM US/Central.
Valid through 7/17/2026 11:00 PM US/Central.
fzus53 kdlh 172218
nshdlh
expires:202607180400;;142945
nearshore marine forecast
national weather service duluth mn
518 pm cdt fri jul 17 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz145-180400-
duluth mn to port wing wi-
518 pm cdt fri jul 17 2026
...dense smoke advisory in effect until 5 am cdt saturday...
.tonight...northwest wind 5 to 10 knots. gusts up to 20 knots
early in the evening then 20 knots late in the night. chance of
rain showers early in the evening. slight chance of thunderstorms
in the evening. slight chance of rain showers late in the
evening. areas of smoke until early morning. waves 1 to 2 feet.
.saturday...west wind 5 to 10 knots with gusts to around 20 knots
becoming southeast early in the afternoon, then becoming east
late in the afternoon. patchy smoke in the morning, then areas of
smoke in the afternoon. waves 1 foot or less.
.saturday night...northeast wind 5 knots becoming southwest early
in the morning. smoke. waves 1 foot or less.
.sunday...southwest wind 5 knots. smoke in the morning. waves
1 foot or less.
$$
(11/12)
Latest Nearshore Marine Forecast by KMQT
Issued 7/17/2026 5:01 PM America/New_York.
Valid through 7/18/2026 4:00 AM America/New_York.
fzus53 kmqt 172101
nshmqt
expires:202607180800;;139493
nearshore marine forecast
national weather service marquette mi
501 pm edt fri jul 17 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.
lsz242-243-180800-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
501 pm edt fri jul 17 2026
...dense smoke advisory in effect until 6 am edt saturday...
.late this afternoon...east wind less than 10 knots. mostly
cloudy with a chance of showers and a slight chance of
thunderstorms. smoke. waves calm to 1 foot.
.tonight...southwest wind less than 10 knots veering west 10 to
15 knots late. cloudy. showers likely and a chance of
thunderstorms through late evening, then a slight chance of
showers and thunderstorms by midnight. areas of smoke through the
night. waves building to 1 to 2 feet.
.saturday...northwest wind 10 to 15 knots backing west less than
10 knots late. partly cloudy. smoke. waves building to 2 to
3 feet, then subsiding to 1 to 2 feet.
.saturday night...southwest wind less than 10 knots backing south
after midnight. partly cloudy in the evening then becoming mostly
cloudy. smoke. waves calm to 1 foot.
.sunday...southwest wind less than 10 knots. partly cloudy. smoke
in the morning. waves calm to 1 foot.
$$
(12/12)
Latest Nearshore Marine Forecast by KMQT
Issued 7/17/2026 5:01 PM America/New_York.
Valid through 7/18/2026 4:00 AM America/New_York.
fzus53 kmqt 172101
nshmqt
expires:202607180800;;139492
nearshore marine forecast
national weather service marquette mi
501 pm edt fri jul 17 2026
for waters within five nautical miles of shore
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
lsz240-241-180800-
saxon harbor wi to black river mi-
black river to ontonagon mi-
501 pm edt fri jul 17 2026 /401 pm cdt fri jul 17 2026/
...dense smoke advisory in effect until 6 am edt /5 am cdt/
saturday...
.late this afternoon...south wind 10 to 15 knots. partly cloudy
with a slight chance of showers and thunderstorms. smoke. waves
calm to 1 foot.
.tonight...west wind less than 10 knots increasing to 10 to
15 knots late. mostly cloudy through midnight then becoming
partly cloudy. a chance of showers and thunderstorms through late
evening, then a slight chance of showers and thunderstorms by
midnight. areas of smoke through the night. waves building to
1 to 2 feet.
.saturday...northwest wind less than 10 knots through early
afternoon becoming variable. partly cloudy. areas of smoke. waves
1 to 2 feet.
.saturday night...south wind less than 10 knots. partly cloudy.
smoke. waves calm to 1 foot.
.sunday...southwest wind less than 10 knots. mostly sunny. smoke
in the morning. waves calm to 1 foot.
$$
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