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(1/12)
Latest Nearshore Marine Forecast by KDLH
Issued 8/19/2026 11:52 PM US/Central.
Valid through 8/20/2026 5:00 AM US/Central.
fzus53 kdlh 200452
nshdlh
expires:202608201000;;028365
nearshore marine forecast
national weather service duluth mn
1152 pm cdt wed aug 19 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.
lsz148-201000-
oak point to saxon harbor wi-
1152 pm cdt wed aug 19 2026
.rest of tonight...south wind 5 knots. partly cloudy late in the
evening then becoming mostly cloudy. waves 1 foot or less.
.thursday...south wind 5 knots becoming southeast in the
afternoon. chance of rain showers in the morning, then rain
showers likely and chance of thunderstorms in the afternoon.
waves 1 foot or less.
.thursday night...east wind 5 knots becoming west after midnight,
then becoming northwest early in the morning. showers likely and
chance of thunderstorms in the evening. waves 1 foot or less.
.friday...north wind 5 knots. mostly cloudy in the morning then
becoming mostly sunny. waves 1 foot or less.
$$
(2/12)
Latest Nearshore Marine Forecast by KDLH
Issued 8/19/2026 11:52 PM US/Central.
Valid through 8/20/2026 5:00 AM US/Central.
fzus53 kdlh 200452
nshdlh
expires:202608201000;;028361
nearshore marine forecast
national weather service duluth mn
1152 pm cdt wed aug 19 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz146-201000-
port wing to sand island wi-
1152 pm cdt wed aug 19 2026
.rest of tonight...variable winds 10 knots or less becoming
southwest 5 knots toward daybreak. partly cloudy late in the
evening then becoming mostly cloudy. waves 1 foot or less.
.thursday...south wind 5 knots becoming northeast late in the
afternoon. rain showers likely through the day. chance of
thunderstorms in the afternoon. waves 1 foot or less.
.thursday night...northeast wind 5 knots. showers likely and
chance of thunderstorms in the evening. waves 1 foot or less.
.friday...north wind 5 knots until late afternoon becoming
variable 10 knots or less. mostly cloudy in the morning then
clearing. waves 1 foot or less.
$$
(3/12)
Latest Nearshore Marine Forecast by KDLH
Issued 8/19/2026 11:52 PM US/Central.
Valid through 8/20/2026 5:00 AM US/Central.
fzus53 kdlh 200452
nshdlh
expires:202608201000;;028362
nearshore marine forecast
national weather service duluth mn
1152 pm cdt wed aug 19 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.
lsz147-201000-
sand island to bayfield wi-
1152 pm cdt wed aug 19 2026
.rest of tonight...variable winds 10 knots or less becoming
southwest 5 knots after midnight. partly cloudy late in the
evening then becoming mostly cloudy. waves 1 foot or less.
.thursday...south wind 5 knots becoming southeast in the late
morning and afternoon. chance of rain showers in the morning,
then rain showers likely and chance of thunderstorms in the
afternoon. waves 1 foot or less.
.thursday night...east wind 5 knots becoming north after
midnight. showers likely and chance of thunderstorms in the
evening. waves 1 foot or less.
.friday...north wind 5 knots becoming southeast late in the
afternoon. partly sunny in the morning then clearing. waves
1 foot or less.
$$
(4/12)
Latest Nearshore Marine Forecast by KDLH
Issued 8/19/2026 11:52 PM US/Central.
Valid through 8/20/2026 5:00 AM US/Central.
fzus53 kdlh 200452
nshdlh
expires:202608201000;;028364
nearshore marine forecast
national weather service duluth mn
1152 pm cdt wed aug 19 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz121-201000-
chequamegon bay-bayfield to oak point wi-
1152 pm cdt wed aug 19 2026
.rest of tonight...variable winds 10 knots or less becoming
southwest 5 knots after midnight. partly cloudy late in the
evening then becoming mostly cloudy. waves 1 foot or less.
.thursday...southwest wind 5 knots becoming southeast in the late
morning and afternoon. chance of rain showers in the morning,
then rain showers likely and chance of thunderstorms in the
afternoon. waves 1 foot or less.
.thursday night...east wind 5 knots becoming southeast late in
the evening, then becoming northwest after midnight becoming
north early in the morning. showers likely and chance of
thunderstorms in the evening. waves 1 foot or less.
.friday...north wind 5 knots becoming northeast late in the
afternoon. mostly cloudy in the morning then becoming mostly
sunny. waves 1 foot or less.
$$
(5/12)
Latest Nearshore Marine Forecast by KDLH
Issued 8/19/2026 11:52 PM US/Central.
Valid through 8/20/2026 5:00 AM US/Central.
fzus53 kdlh 200452
nshdlh
expires:202608201000;;028355
nearshore marine forecast
national weather service duluth mn
1152 pm cdt wed aug 19 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.
lsz140-201000-
grand portage to grand marais mn-
1152 pm cdt wed aug 19 2026
.rest of tonight...northeast wind 5 to 10 knots. partly cloudy
late in the evening then becoming mostly cloudy. waves 1 foot or
less.
.thursday...northeast wind 5 knots becoming southeast in the late
morning and early afternoon, then becoming east late in the
afternoon. chance of rain showers through the day. slight chance
of thunderstorms in the afternoon. waves 1 foot or less.
.thursday night...northeast wind 5 to 10 knots. chance of rain
showers in the evening. waves 1 foot or less.
.friday...northeast wind 5 to 10 knots becoming southeast early
in the afternoon, then becoming southwest late in the afternoon.
partly sunny. waves 1 foot or less.
$$
(6/12)
Latest Nearshore Marine Forecast by KDLH
Issued 8/19/2026 11:52 PM US/Central.
Valid through 8/20/2026 5:00 AM US/Central.
fzus53 kdlh 200452
nshdlh
expires:202608201000;;028356
nearshore marine forecast
national weather service duluth mn
1152 pm cdt wed aug 19 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz141-201000-
grand marais to taconite harbor mn-
1152 pm cdt wed aug 19 2026
.rest of tonight...north wind 5 knots late in the evening
becoming variable 10 knots or less. partly cloudy late in the
evening then becoming mostly cloudy. waves 1 foot or less.
.thursday...northeast wind 5 knots becoming east in the late
morning and afternoon. chance of rain showers in the morning,
then rain showers likely and slight chance of thunderstorms in
the afternoon. waves 1 foot or less.
.thursday night...northeast wind 5 to 10 knots easing to 5 knots
early in the morning. chance of rain showers and slight chance of
thunderstorms in the evening. waves 1 foot or less.
.friday...northeast wind 5 knots becoming southeast early in the
afternoon, then becoming southwest late in the afternoon. partly
sunny. waves 1 foot or less.
$$
(7/12)
Latest Nearshore Marine Forecast by KDLH
Issued 8/19/2026 11:52 PM US/Central.
Valid through 8/20/2026 5:00 AM US/Central.
fzus53 kdlh 200452
nshdlh
expires:202608201000;;028357
nearshore marine forecast
national weather service duluth mn
1152 pm cdt wed aug 19 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.
lsz142-201000-
taconite harbor to silver bay harbor mn-
1152 pm cdt wed aug 19 2026
.rest of tonight...variable winds 10 knots or less. slight chance
of rain showers toward daybreak. waves 1 foot or less.
.thursday...variable winds 10 knots or less becoming southeast
5 knots in the late morning and early afternoon, then becoming
northeast late in the afternoon. rain showers likely through the
day. chance of thunderstorms in the afternoon. waves 1 foot or
less.
.thursday night...northeast wind 5 knots until early morning
becoming variable 10 knots or less. chance of showers and
thunderstorms in the evening. waves 1 foot or less.
.friday...variable winds 10 knots or less becoming east 5 knots
early in the afternoon, then becoming south late in the
afternoon. partly sunny. waves 1 foot or less.
$$
(8/12)
Latest Nearshore Marine Forecast by KDLH
Issued 8/19/2026 11:52 PM US/Central.
Valid through 8/20/2026 5:00 AM US/Central.
fzus53 kdlh 200452
nshdlh
expires:202608201000;;028358
nearshore marine forecast
national weather service duluth mn
1152 pm cdt wed aug 19 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz143-201000-
silver bay harbor to two harbors mn-
1152 pm cdt wed aug 19 2026
.rest of tonight...variable winds 10 knots or less becoming north
5 knots toward daybreak. slight chance of rain showers toward
daybreak. waves 1 foot or less.
.thursday...northeast wind 5 knots becoming east in the late
morning and early afternoon, then becoming northeast late in the
afternoon. chance of rain showers and slight chance of
thunderstorms in the morning, then rain showers likely and chance
of thunderstorms in the afternoon. waves 1 foot or less.
.thursday night...northeast wind 5 knots. chance of showers and
thunderstorms in the evening. waves 1 foot or less.
.friday...north wind 5 knots early in the morning becoming
variable 10 knots or less, then becoming east 5 knots early in
the afternoon becoming south. slight chance of rain showers in
the morning. waves 1 foot or less.
$$
(9/12)
Latest Nearshore Marine Forecast by KDLH
Issued 8/19/2026 11:52 PM US/Central.
Valid through 8/20/2026 5:00 AM US/Central.
fzus53 kdlh 200452
nshdlh
expires:202608201000;;028359
nearshore marine forecast
national weather service duluth mn
1152 pm cdt wed aug 19 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.
lsz144-201000-
two harbors to duluth mn-
1152 pm cdt wed aug 19 2026
.rest of tonight...variable winds 10 knots or less becoming
southwest 5 knots toward daybreak. mostly cloudy. waves 1 foot or
less.
.thursday...east wind 5 knots. slight chance of thunderstorms in
the morning. rain showers likely through the day. chance of
thunderstorms in the afternoon. waves 1 foot or less.
.thursday night...northeast wind 5 to 10 knots. rain showers
likely and chance of thunderstorms in the evening. waves 1 foot
or less.
.friday...north wind 5 knots becoming south late in the
afternoon. slight chance of rain showers in the morning. waves
1 foot or less.
$$
(10/12)
Latest Nearshore Marine Forecast by KDLH
Issued 8/19/2026 11:52 PM US/Central.
Valid through 8/20/2026 5:00 AM US/Central.
fzus53 kdlh 200452
nshdlh
expires:202608201000;;028360
nearshore marine forecast
national weather service duluth mn
1152 pm cdt wed aug 19 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz145-201000-
duluth mn to port wing wi-
1152 pm cdt wed aug 19 2026
.rest of tonight...variable winds 10 knots or less becoming south
5 knots after midnight. partly cloudy late in the evening then
becoming mostly cloudy. waves 1 foot or less.
.thursday...south wind 5 knots becoming northeast late in the
afternoon. slight chance of thunderstorms in the morning. rain
showers likely through the day. chance of thunderstorms in the
afternoon. waves 1 foot or less.
.thursday night...northeast wind 5 to 10 knots. rain showers
likely and chance of thunderstorms in the evening. waves 1 foot
or less.
.friday...north wind 5 knots becoming northwest late in the
afternoon. mostly cloudy in the morning then clearing. waves
1 foot or less.
$$
(11/12)
Latest Nearshore Marine Forecast by KMQT
Issued 8/19/2026 11:01 PM America/New_York.
Valid through 8/20/2026 4:00 AM America/New_York.
fzus53 kmqt 200301
nshmqt
expires:202608200800;;024622
nearshore marine forecast
national weather service marquette mi
1100 pm edt wed aug 19 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.
lsz242-243-200800-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
1100 pm edt wed aug 19 2026
.rest of tonight...south wind less than 10 knots. mostly clear.
waves calm to 1 foot.
.thursday...southwest wind less than 10 knots backing east late.
mostly cloudy. a slight chance of showers through mid morning,
then a chance of showers by late morning. a slight chance of
thunderstorms late. waves calm to 1 foot.
.thursday night...southeast wind less than 10 knots veering south
after midnight. cloudy. a chance of showers and a slight chance
of thunderstorms in the evening, then a slight chance of showers
after midnight. waves calm to 1 foot.
.friday...northwest wind less than 10 knots. partly cloudy. waves
calm to 1 foot.
$$
(12/12)
Latest Nearshore Marine Forecast by KMQT
Issued 8/19/2026 11:01 PM America/New_York.
Valid through 8/20/2026 4:00 AM America/New_York.
fzus53 kmqt 200301
nshmqt
expires:202608200800;;024621
nearshore marine forecast
national weather service marquette mi
1100 pm edt wed aug 19 2026
for waters within five nautical miles of shore
waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.
lsz240-241-200800-
saxon harbor wi to black river mi-
black river to ontonagon mi-
1100 pm edt wed aug 19 2026 /1000 pm cdt wed aug 19 2026/
.rest of tonight...south wind less than 10 knots. partly cloudy.
waves calm to 1 foot.
.thursday...southwest wind less than 10 knots backing southeast
late. mostly cloudy. a chance of showers through the day. a
slight chance of thunderstorms by late morning, then a chance of
thunderstorms late. waves calm to 1 foot.
.thursday night...south wind less than 10 knots veering southwest
after midnight. mostly cloudy. showers likely and a chance of
thunderstorms in the evening, then a slight chance of showers
after midnight. waves calm to 1 foot.
.friday...northwest wind less than 10 knots. mostly cloudy in the
morning then becoming mostly sunny. waves calm to 1 foot.
$$
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