(1/10)
Latest Nearshore Marine Forecast by KDLH
Issued 8/30/2026 2:58 PM US/Central.
Valid through 8/30/2026 11:00 PM US/Central.
fzus53 kdlh 301958
nshdlh
expires:202608310400;;624537
nearshore marine forecast
national weather service duluth mn
258 pm cdt sun aug 30 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.
lsz121-310400-
chequamegon bay-bayfield to oak point wi-
258 pm cdt sun aug 30 2026
...small craft advisory in effect until 9 pm cdt this evening...
.tonight...northeast wind 10 to 15 knots. gusts up to 20 knots
early in the evening. slight chance of showers and thunderstorms
early in the evening, then chance of showers and thunderstorms in
the late evening and overnight. waves 1 to 2 feet.
.monday...east wind 5 knots becoming southwest late in the
morning, then becoming northwest in the afternoon. mostly cloudy
in the morning then clearing. waves 1 foot or less.
.monday night...northwest wind 5 to 10 knots becoming southwest
in the late evening and overnight. mostly clear. waves 1 foot or
less.
.tuesday...southwest wind 10 to 15 knots with gusts to around
20 knots. sunny. waves 1 foot or less.
$$
(2/10)
Latest Nearshore Marine Forecast by KDLH
Issued 8/30/2026 2:58 PM US/Central.
Valid through 8/30/2026 11:00 PM US/Central.
fzus53 kdlh 301958
nshdlh
expires:202608310400;;624528
nearshore marine forecast
national weather service duluth mn
258 pm cdt sun aug 30 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz140-310400-
grand portage to grand marais mn-
258 pm cdt sun aug 30 2026
...small craft advisory in effect through monday morning...
.tonight...northeast wind 15 to 20 knots. gusts up to 30 knots
decreasing to 20 knots. slight chance of thunderstorms and
drizzle late in the evening. chance of thunderstorms, rain
showers and drizzle after midnight, then showers and
thunderstorms likely late in the night. waves 1 to 3 feet.
.monday...northeast wind 10 to 15 knots with gusts to around
20 knots easing to 5 knots early in the afternoon, then becoming
southeast late in the afternoon. chance of showers and
thunderstorms in the morning. waves 1 to 3 feet.
.monday night...southwest wind 5 to 10 knots. partly cloudy in
the evening then becoming mostly cloudy. waves 1 to 2 feet.
.tuesday...southwest wind 15 to 20 knots. gusts up to 20 knots
increasing to 25 knots late in the morning, then increasing to
30 knots early in the afternoon decreasing to 25 knots late in
the afternoon. mostly sunny. waves 1 to 3 feet building to 2 to
4 feet in the afternoon.
$$
(3/10)
Latest Nearshore Marine Forecast by KDLH
Issued 8/30/2026 2:58 PM US/Central.
Valid through 8/30/2026 11:00 PM US/Central.
fzus53 kdlh 301958
nshdlh
expires:202608310400;;624529
nearshore marine forecast
national weather service duluth mn
258 pm cdt sun aug 30 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.
lsz141-310400-
grand marais to taconite harbor mn-
258 pm cdt sun aug 30 2026
...small craft advisory in effect through monday morning...
.tonight...northeast wind 15 to 20 knots. gusts up to 30 knots
decreasing to 25 knots late in the night. slight chance of
showers and thunderstorms in the evening, then rain showers with
thunderstorms likely after midnight. waves 2 to 4 feet.
.monday...northeast wind 5 to 10 knots with gusts to around
20 knots becoming southeast early in the afternoon, then becoming
southwest late in the afternoon. chance of showers and
thunderstorms in the morning. waves 1 to 3 feet subsiding to 1 to
2 feet in the late morning and afternoon.
.monday night...west wind 5 knots. partly cloudy. waves 1 to
2 feet.
.tuesday...southwest wind 10 to 15 knots. gusts up to 25 knots in
the late morning and afternoon. mostly sunny. waves 1 to 2 feet.
$$
(4/10)
Latest Nearshore Marine Forecast by KDLH
Issued 8/30/2026 2:58 PM US/Central.
Valid through 8/30/2026 11:00 PM US/Central.
fzus53 kdlh 301958
nshdlh
expires:202608310400;;624530
nearshore marine forecast
national weather service duluth mn
258 pm cdt sun aug 30 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz142-310400-
taconite harbor to silver bay harbor mn-
258 pm cdt sun aug 30 2026
...small craft advisory in effect through monday morning...
.tonight...northeast wind 10 to 15 knots. gusts up to 30 knots
decreasing to 20 knots. chance of showers and thunderstorms in
the evening, then rain showers with thunderstorms likely after
midnight. waves 2 to 4 feet.
.monday...northeast wind 5 to 10 knots becoming southwest in the
afternoon. chance of showers and thunderstorms in the morning.
waves 1 to 3 feet subsiding to 1 to 2 feet in the late morning
and afternoon.
.monday night...southwest wind 5 knots. mostly clear. waves
1 foot or less.
.tuesday...southwest wind 5 to 10 knots. gusts up to 20 knots
late in the morning increasing to 25 knots, then decreasing to
20 knots late in the afternoon. mostly sunny. waves 1 foot or
less.
$$
(5/10)
Latest Nearshore Marine Forecast by KDLH
Issued 8/30/2026 2:58 PM US/Central.
Valid through 8/30/2026 11:00 PM US/Central.
fzus53 kdlh 301958
nshdlh
expires:202608310400;;624531
nearshore marine forecast
national weather service duluth mn
258 pm cdt sun aug 30 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.
lsz143-310400-
silver bay harbor to two harbors mn-
258 pm cdt sun aug 30 2026
...small craft advisory in effect through late tonight...
.tonight...northeast wind 15 to 20 knots. gusts up to 30 knots
decreasing to 20 knots. slight chance of showers and
thunderstorms early in the evening, then chance of showers and
thunderstorms in the late evening and overnight. waves 2 to
4 feet.
.monday...northeast wind 5 to 10 knots becoming southwest in the
afternoon. slight chance of showers and thunderstorms in the
morning. waves 1 to 3 feet subsiding to 1 to 2 feet in the late
morning and afternoon.
.monday night...west wind 5 to 10 knots. mostly clear. waves
1 foot or less.
.tuesday...southwest wind 5 to 10 knots. gusts up to 20 knots in
the late morning and afternoon. mostly sunny. waves 1 foot or
less.
$$
(6/10)
Latest Nearshore Marine Forecast by KDLH
Issued 8/30/2026 2:58 PM US/Central.
Valid through 8/30/2026 11:00 PM US/Central.
fzus53 kdlh 301958
nshdlh
expires:202608310400;;624532
nearshore marine forecast
national weather service duluth mn
258 pm cdt sun aug 30 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz144-310400-
two harbors to duluth mn-
258 pm cdt sun aug 30 2026
...small craft advisory in effect through late tonight...
.tonight...northeast wind 15 to 20 knots. gusts up to 30 knots
decreasing to 20 knots. chance of showers and thunderstorms until
early morning. slight chance of showers and thunderstorms late in
the night. waves 3 to 5 feet.
.monday...northeast wind 5 to 10 knots becoming southeast late in
the morning, then becoming southwest in the afternoon. mostly
cloudy in the morning then clearing. waves 1 to 3 feet.
.monday night...west wind 5 to 10 knots. mostly clear. waves
1 foot or less.
.tuesday...southwest wind 5 to 10 knots. gusts up to 20 knots in
the late morning and afternoon. sunny. waves 1 foot or less.
$$
(7/10)
Latest Nearshore Marine Forecast by KDLH
Issued 8/30/2026 2:58 PM US/Central.
Valid through 8/30/2026 11:00 PM US/Central.
fzus53 kdlh 301958
nshdlh
expires:202608310400;;624533
nearshore marine forecast
national weather service duluth mn
258 pm cdt sun aug 30 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.
lsz145-310400-
duluth mn to port wing wi-
258 pm cdt sun aug 30 2026
...small craft advisory in effect through late tonight...
.tonight...northeast wind 15 to 20 knots. gusts up to 25 knots
decreasing to 20 knots late in the night. chance of showers and
thunderstorms until early morning. slight chance of showers and
thunderstorms late in the night. waves 3 to 5 feet.
.monday...northeast wind 5 to 10 knots becoming north late in the
morning, then becoming west in the afternoon. mostly cloudy in
the morning then clearing. waves 1 to 3 feet.
.monday night...southwest wind 5 to 10 knots. mostly clear. waves
1 foot or less.
.tuesday...southwest wind 10 to 15 knots. gusts up to 20 knots in
the late morning and afternoon. sunny. waves 1 foot or less.
$$
(8/10)
Latest Nearshore Marine Forecast by KDLH
Issued 8/30/2026 2:58 PM US/Central.
Valid through 8/30/2026 11:00 PM US/Central.
fzus53 kdlh 301958
nshdlh
expires:202608310400;;624534
nearshore marine forecast
national weather service duluth mn
258 pm cdt sun aug 30 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz146-310400-
port wing to sand island wi-
258 pm cdt sun aug 30 2026
...small craft advisory in effect until 1 am cdt monday...
.tonight...northeast wind 10 to 15 knots. gusts up to 25 knots.
slight chance of showers and thunderstorms early in the evening,
then chance of showers and thunderstorms in the late evening and
overnight. waves 2 to 4 feet subsiding to 1 to 3 feet late in the
night.
.monday...northeast wind 5 to 10 knots becoming southwest with
gusts to around 20 knots in the afternoon. mostly cloudy in the
morning then becoming mostly sunny. waves 1 to 2 feet.
.monday night...southwest wind 5 to 10 knots. mostly clear. waves
1 foot or less.
.tuesday...southwest wind 10 to 15 knots. gusts up to 25 knots.
sunny. waves 1 to 2 feet.
$$
(9/10)
Latest Nearshore Marine Forecast by KDLH
Issued 8/30/2026 2:58 PM US/Central.
Valid through 8/30/2026 11:00 PM US/Central.
fzus53 kdlh 301958
nshdlh
expires:202608310400;;624535
nearshore marine forecast
national weather service duluth mn
258 pm cdt sun aug 30 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.
lsz147-310400-
sand island to bayfield wi-
258 pm cdt sun aug 30 2026
...small craft advisory in effect until 1 am cdt monday...
.tonight...east wind 10 to 15 knots. gusts up to 30 knots. slight
chance of showers and thunderstorms early in the evening, then
chance of showers and thunderstorms in the late evening and
overnight. waves 2 to 4 feet subsiding to 1 to 3 feet late in the
night.
.monday...east wind 5 knots becoming west with gusts to around
20 knots in the late morning and afternoon. slight chance of
showers and thunderstorms in the morning. waves 1 to 2 feet.
.monday night...southwest wind 5 to 10 knots. mostly clear. waves
1 foot or less.
.tuesday...southwest wind 10 to 15 knots becoming west late in
the afternoon. gusts up to 25 knots. sunny. waves 1 foot or less.
$$
(10/10)
Latest Nearshore Marine Forecast by KDLH
Issued 8/30/2026 2:58 PM US/Central.
Valid through 8/30/2026 11:00 PM US/Central.
fzus53 kdlh 301958
nshdlh
expires:202608310400;;624538
nearshore marine forecast
national weather service duluth mn
258 pm cdt sun aug 30 2026
for waters within five nautical miles of shore on lake superior.
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
lsz148-310400-
oak point to saxon harbor wi-
258 pm cdt sun aug 30 2026
...small craft advisory in effect until 9 pm cdt this evening...
.tonight...east wind 10 to 15 knots. gusts up to 25 knots. slight
chance of showers and thunderstorms early in the evening, then
chance of showers and thunderstorms in the late evening and
overnight. waves 2 to 4 feet subsiding to 1 to 3 feet in the late
evening and overnight.
.monday...southeast wind 5 knots becoming west late in the
morning, then becoming northwest in the afternoon. slight chance
of showers and thunderstorms in the morning. waves 1 to 2 feet.
.monday night...northwest wind 5 knots becoming southwest in the
late evening and overnight. mostly clear. waves 1 foot or less.
.tuesday...southwest wind 5 to 10 knots with gusts to around
20 knots becoming west with gusts to around 20 knots late in the
afternoon. sunny. waves 1 foot or less.
$$
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