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(1/6)
Latest Coastal Waters Forecast by KCHS
Issued 9/18/2025 5:09 AM America/New_York.
Valid through 9/18/2025 6:15 PM America/New_York.
fzus52 kchs 180909
cwfchs
expires:202509182215;;182899
coastal waters forecast
national weather service charleston sc
509 am edt thu sep 18 2025
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz350-182215-
waters from south santee river to edisto beach sc out 20 nm-
509 am edt thu sep 18 2025
.today...sw winds 5 kt, becoming w later this morning, then s 5 to
10 kt this afternoon. seas 1 to 2 ft. wave detail: e 2 ft at 8
seconds and sw 1 foot at 3 seconds. a slight chance of showers
this morning.
.tonight...se winds 5 to 10 kt, diminishing to 5 kt after
midnight. seas 1 to 2 ft. wave detail: e 2 ft at 8 seconds and sw
1 foot at 3 seconds.
.fri...ne winds 5 kt, becoming e in the afternoon. seas 1 to 2
ft. wave detail: e 2 ft at 9 seconds and s 1 foot at 4 seconds.
.fri night...e winds 5 to 10 kt. seas 2 ft. wave detail: se 2 ft
at 5 seconds and e 2 ft at 8 seconds.
.sat...ne winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas 2 to 3 ft, building to 3 to 4 ft in the
afternoon. wave detail: e 3 ft at 8 seconds, becoming e 4 ft at
8 seconds. a slight chance of showers in the afternoon.
.sat night...ne winds 15 to 20 kt. seas 4 to 5 ft. wave detail: e
5 ft at 7 seconds. a slight chance of showers. a slight chance of
tstms after midnight.
.sun...ne winds 20 to 25 kt. seas 4 to 6 ft. a slight chance of
showers and tstms.
.sun night...ne winds 15 to 20 kt. seas 5 to 6 ft. a slight
chance of showers and tstms.
.mon...ne winds 15 to 20 kt. seas 4 to 6 ft. a chance of showers
and tstms.
.mon night...e winds 10 to 15 kt. seas 4 to 5 ft. a chance of
showers and tstms.
winds and seas higher in and near tstms.
$$
(2/6)
Latest Coastal Waters Forecast by KCHS
Issued 9/18/2025 5:09 AM America/New_York.
Valid through 9/18/2025 6:15 PM America/New_York.
fzus52 kchs 180909
cwfchs
expires:202509182215;;182900
coastal waters forecast
national weather service charleston sc
509 am edt thu sep 18 2025
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz352-182215-
waters from edisto beach sc to savannah ga out 20 nm-
509 am edt thu sep 18 2025
.today...sw winds 5 kt, becoming w later this morning, then s 5 to
10 kt this afternoon. seas 1 to 2 ft. wave detail: e 2 ft at 8
seconds and sw 1 foot at 3 seconds.
.tonight...se winds 5 to 10 kt. seas 1 to 2 ft. wave detail: e 2
ft at 8 seconds and s 1 foot at 2 seconds.
.fri...ne winds 5 to 10 kt. seas 1 to 2 ft. wave detail: e 2 ft
at 8 seconds and s 1 foot at 4 seconds.
.fri night...e winds 5 to 10 kt. seas 2 ft. wave detail: se 2 ft
at 8 seconds.
.sat...ne winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas 2 to 3 ft, building to 3 to 4 ft in the
afternoon. wave detail: e 3 ft at 8 seconds, becoming e 4 ft at
8 seconds. a slight chance of showers and tstms in the afternoon.
.sat night...ne winds 15 to 20 kt. seas 3 to 4 ft. wave detail: e
4 ft at 6 seconds. a slight chance of showers and tstms.
.sun...ne winds 20 to 25 kt. seas 4 to 6 ft. a slight chance of
showers and tstms.
.sun night...ne winds 15 to 20 kt. seas 4 to 6 ft. a slight
chance of showers and tstms.
.mon...ne winds 15 to 20 kt. seas 4 to 5 ft. a chance of showers
and tstms.
.mon night...e winds 10 to 15 kt. seas 4 to 5 ft. a chance of
showers and tstms.
winds and seas higher in and near tstms.
$$
(3/6)
Latest Coastal Waters Forecast by KCHS
Issued 9/18/2025 5:09 AM America/New_York.
Valid through 9/18/2025 6:15 PM America/New_York.
fzus52 kchs 180909
cwfchs
expires:202509182215;;182901
coastal waters forecast
national weather service charleston sc
509 am edt thu sep 18 2025
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz354-182215-
waters from savannah ga to altamaha sound ga out 20 nm, including
grays reef national marine sanctuary-
509 am edt thu sep 18 2025
.today...sw winds 5 kt, becoming w later this morning, then e 5 to
10 kt this afternoon. seas 1 to 2 ft. wave detail: e 2 ft at 8
seconds and sw 1 foot at 3 seconds.
.tonight...se winds 5 to 10 kt. seas 1 to 2 ft. wave detail: e 2
ft at 8 seconds and se 1 foot at 3 seconds.
.fri...ne winds 5 to 10 kt. seas 1 to 2 ft. wave detail: e 2 ft
at 8 seconds and se 1 foot at 4 seconds.
.fri night...e winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
2 ft at 8 seconds.
.sat...ne winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas 2 to 3 ft, building to 3 to 4 ft in the
afternoon. wave detail: e 3 ft at 8 seconds, becoming e 4 ft at
8 seconds. a slight chance of showers and tstms in the afternoon.
.sat night...ne winds 15 to 20 kt. seas 4 ft. wave detail: e 4 ft
at 6 seconds. a slight chance of showers and tstms.
.sun...ne winds 15 to 20 kt. seas 4 to 5 ft. a slight chance of
showers and tstms.
.sun night...ne winds 20 to 25 kt. seas 4 to 5 ft. a slight
chance of showers and tstms.
.mon...ne winds 15 to 20 kt. seas 4 to 5 ft. a chance of showers
and tstms.
.mon night...e winds 10 to 15 kt. seas 3 to 4 ft. a slight chance
of showers and tstms.
winds and seas higher in and near tstms.
$$
(4/6)
Latest Coastal Waters Forecast by KCHS
Issued 9/18/2025 5:09 AM America/New_York.
Valid through 9/18/2025 6:15 PM America/New_York.
fzus52 kchs 180909
cwfchs
expires:202509182215;;182902
coastal waters forecast
national weather service charleston sc
509 am edt thu sep 18 2025
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz374-182215-
waters from savannah ga to altamaha sound ga from 20 to 60 nm-
509 am edt thu sep 18 2025
.today...s winds 5 kt, becoming nw late this morning, then
becoming ne this afternoon. seas 2 ft. wave detail: e 2 ft at 8
seconds.
.tonight...e winds 5 to 10 kt. seas 2 ft. wave detail: e 2 ft at
8 seconds.
.fri...ne winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e 3 ft
at 8 seconds and se 1 foot at 4 seconds. a slight chance of
showers and tstms.
.fri night...e winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
3 ft at 8 seconds. a slight chance of showers. a slight chance of
tstms after midnight.
.sat...ne winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. seas 3 to 4 ft, building to 4 to 5 ft in the
afternoon. wave detail: e 4 ft at 8 seconds. a slight chance of
tstms. a slight chance of showers in the morning, then a chance
of showers in the afternoon.
.sat night...ne winds 15 to 20 kt. seas 4 to 5 ft. wave detail: e
5 ft at 6 seconds. a chance of showers with a slight chance of
tstms.
.sun...ne winds 20 to 25 kt. seas 5 to 6 ft. a chance of showers
with a slight chance of tstms.
.sun night...ne winds 15 to 20 kt. seas 5 to 6 ft. a chance of
showers and tstms.
.mon...ne winds 15 kt. seas 5 ft. a chance of showers and tstms.
.mon night...e winds 10 to 15 kt. seas 4 to 5 ft. a chance of
showers and tstms.
winds and seas higher in and near tstms.
$$
(5/6)
Latest Coastal Waters Forecast by KJAX
Issued 9/18/2025 10:39 AM America/New_York.
Valid through 9/19/2025 1:45 AM America/New_York.
fzus52 kjax 181439
cwfjax
expires:202509190545;;195218
coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
1039 am edt thu sep 18 2025
atlantic coastal waters from altamaha sound ga to flagler beach
fl out to 60 nm.
seas are provided as a range of the average height of the highest
1/3 of the waves, along with the occasional height of the average
highest 1/10 of the waves.
amz450-452-454-190545-
coastal waters from altamaha sound to fernandina beach fl out
20 nm-
coastal waters from fernandina beach to st. augustine fl out
20 nm-
coastal waters from st. augustine to flagler beach fl out 20 nm-
1039 am edt thu sep 18 2025
.rest of today...northeast winds 5 to 10 knots, becoming east
10 to 15 knots this afternoon. seas 2 to 3 feet. wave detail:
east 2 feet at 5 seconds and east 2 feet at 8 seconds.
intracoastal waters becoming a light chop. a slight chance of
showers and thunderstorms.
.tonight...east winds 10 to 15 knots, diminishing to 5 to 10
knots after midnight. seas 2 to 3 feet. wave detail: east 2 feet
at 5 seconds and east 2 feet at 8 seconds. intracoastal waters
becoming mostly smooth. a slight chance of showers.
.friday and friday night...northeast winds 10 to 15 knots. seas 2
to 4 feet, occasionally to 5 feet. wave detail: east 3 feet at 5
seconds and east 2 feet at 8 seconds. intracoastal waters a light
chop. a slight chance of showers and thunderstorms.
.saturday...northeast winds 15 to 20 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: northeast 5 feet at
5 seconds and east 3 feet at 8 seconds. intracoastal waters
choppy. a chance of showers and thunderstorms.
.saturday night...northeast winds 15 to 20 knots. seas 4 to 5
feet, occasionally to 6 feet. wave detail: northeast 5 feet at 6
seconds and east 2 feet at 9 seconds. intracoastal waters choppy.
a slight chance of showers and thunderstorms.
.sunday through monday...northeast winds 15 to 20 knots. seas 5
to 6 feet, occasionally to 8 feet. intracoastal waters choppy.
showers likely with a chance of thunderstorms.
winds and waves higher in and near thunderstorms.
$$
(6/6)
Latest Coastal Waters Forecast by KJAX
Issued 9/18/2025 10:39 AM America/New_York.
Valid through 9/19/2025 1:45 AM America/New_York.
fzus52 kjax 181439
cwfjax
expires:202509190545;;195219
coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
1039 am edt thu sep 18 2025
atlantic coastal waters from altamaha sound ga to flagler beach
fl out to 60 nm.
seas are provided as a range of the average height of the highest
1/3 of the waves, along with the occasional height of the average
highest 1/10 of the waves.
amz470-472-474-190545-
waters from altamaha sound ga to fernandina beach fl from 20 to
60 nm-
waters from fernandina beach to st. augustine fl from 20 to 60 nm-
waters from st. augustine to flagler beach fl from 20 to 60 nm-
1039 am edt thu sep 18 2025
.rest of today...east northeast winds 5 to 10 knots, increasing
to 10 to 15 knots this afternoon. seas around 3 feet. wave detail:
east 3 feet at 8 seconds and east 2 feet at 5 seconds. a chance of
showers with a slight chance of thunderstorms.
.tonight...east winds 10 to 15 knots, diminishing to 5 to 10
knots after midnight. seas around 3 feet. wave detail: east 2 feet
at 5 seconds and east 2 feet at 8 seconds. a chance of showers
with a slight chance of thunderstorms.
.friday and friday night...northeast winds 10 to 15 knots. seas 3
to 4 feet, occasionally to 5 feet. east 4 feet at 8 seconds and
east 3 feet at 5 seconds. a chance of showers with a slight chance
of thunderstorms.
.saturday and saturday night...northeast winds 15 to 20 knots.
seas 4 to 5 feet, occasionally to 6 feet. wave detail: northeast
5 feet at 7 seconds. showers likely with a chance of
thunderstorms.
.sunday through monday...east northeast winds 15 to 20 knots.
seas 5 to 6 feet, occasionally to 8 feet. wave detail: northeast
6 feet at 7 seconds and east 3 feet at 8 seconds. showers likely
with a chance of thunderstorms.
winds and seas higher in and near thunderstorms.
$$
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