(1/6)
Latest Coastal Waters Forecast by KCHS
Issued 12/12/2025 12:50 AM America/New_York.
Valid through 12/12/2025 1:00 PM America/New_York.
fzus52 kchs 120550
cwfchs
expires:202512121800;;432084
coastal waters forecast
national weather service charleston sc
1250 am est fri dec 12 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
amz350-121800-
waters from south santee river to edisto beach sc out 20 nm-
1250 am est fri dec 12 2025
.rest of tonight...w winds 5 to 10 kt. seas 2 ft. wave detail: w
1 foot at 5 seconds and e 1 foot at 9 seconds.
.fri...w winds 5 kt, becoming sw 10 to 15 kt in the afternoon.
seas 2 ft. wave detail: sw 2 ft at 4 seconds and se 1 foot at
9 seconds.
.fri night...sw winds 10 to 15 kt. seas 2 ft. wave detail: sw
2 ft at 4 seconds and se 1 foot at 8 seconds.
.sat...w winds 5 to 10 kt. seas 2 ft. wave detail: sw 2 ft at
4 seconds and se 1 foot at 8 seconds.
.sat night...sw winds 5 to 10 kt. seas 2 ft. wave detail: sw 2 ft
at 4 seconds and se 1 foot at 8 seconds.
.sun...w winds 10 to 15 kt with gusts to 20 kt, becoming nw 20 to
25 kt with gusts to 30 kt in the afternoon. seas 2 to 3 ft,
building to 3 to 4 ft in the afternoon. wave detail: sw 2 ft at
4 seconds and se 1 foot at 8 seconds, becoming nw 3 ft at
4 seconds and se 1 foot at 8 seconds. a chance of showers, mainly
in the morning.
.sun night...n winds 25 to 30 kt. seas 4 to 6 ft, building to
5 to 7 ft after midnight.
.mon...n winds 20 to 25 kt. seas 5 to 7 ft.
.mon night...n winds 5 to 10 kt. seas 4 to 5 ft.
.tue...nw winds 5 to 10 kt. seas 2 to 3 ft.
.tue night...w winds 5 kt. seas 2 to 3 ft.
$$
(2/6)
Latest Coastal Waters Forecast by KCHS
Issued 12/12/2025 12:50 AM America/New_York.
Valid through 12/12/2025 1:00 PM America/New_York.
fzus52 kchs 120550
cwfchs
expires:202512121800;;432085
coastal waters forecast
national weather service charleston sc
1250 am est fri dec 12 2025
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz352-121800-
waters from edisto beach sc to savannah ga out 20 nm-
1250 am est fri dec 12 2025
.rest of tonight...nw winds 5 to 10 kt. seas 2 ft. wave detail:
nw 1 foot at 3 seconds and e 1 foot at 9 seconds.
.fri...nw winds 5 kt, becoming sw in the afternoon. seas 2 ft.
wave detail: w 1 foot at 3 seconds and e 1 foot at 9 seconds.
.fri night...sw winds 10 kt. seas 2 ft. wave detail: sw 2 ft at
3 seconds and se 1 foot at 8 seconds.
.sat...w winds 5 to 10 kt, becoming sw in the afternoon. seas
2 ft. wave detail: sw 2 ft at 4 seconds and se 1 foot at
8 seconds.
.sat night...sw winds 5 kt, increasing to 10 kt after midnight.
seas 1 foot or less, then around 2 ft after midnight. wave
detail: s 1 foot at 3 seconds and se 1 foot at 8 seconds,
becoming sw 1 foot at 3 seconds and se 1 foot at 8 seconds.
.sun...w winds 10 to 15 kt, becoming nw 15 to 20 kt with gusts to
25 kt in the afternoon. seas 2 to 3 ft. wave detail: nw 3 ft at
3 seconds and se 1 foot at 8 seconds. a slight chance of showers
in the morning.
.sun night...n winds 25 to 30 kt. seas 4 to 5 ft, building to
4 to 6 ft after midnight.
.mon...ne winds 20 to 25 kt. seas 4 to 6 ft.
.mon night...n winds 5 to 10 kt. seas 3 to 4 ft.
.tue...nw winds 5 to 10 kt. seas 2 to 3 ft.
.tue night...w winds 5 kt. seas 2 to 3 ft.
$$
(3/6)
Latest Coastal Waters Forecast by KCHS
Issued 12/12/2025 12:50 AM America/New_York.
Valid through 12/12/2025 1:00 PM America/New_York.
fzus52 kchs 120550
cwfchs
expires:202512121800;;432086
coastal waters forecast
national weather service charleston sc
1250 am est fri dec 12 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
amz354-121800-
waters from savannah ga to altamaha sound ga out 20 nm, including
grays reef national marine sanctuary-
1250 am est fri dec 12 2025
.rest of tonight...nw winds 5 to 10 kt. seas 2 ft. wave detail:
nw 2 ft at 3 seconds and e 1 foot at 9 seconds.
.fri...nw winds 5 kt, becoming sw in the afternoon. seas 2 ft.
wave detail: w 1 foot at 3 seconds and e 1 foot at 9 seconds.
.fri night...sw winds 5 to 10 kt. seas 2 ft. wave detail: sw 2 ft
at 3 seconds and e 1 foot at 9 seconds.
.sat...w winds 5 to 10 kt, becoming s in the afternoon. seas 1 to
2 ft. wave detail: sw 1 foot at 3 seconds and se 1 foot at
8 seconds, becoming s 1 foot at 3 seconds and se 1 foot at
8 seconds.
.sat night...sw winds 5 to 10 kt. seas 1 foot or less, then
around 2 ft after midnight. wave detail: s 1 foot at 3 seconds
and se 1 foot at 8 seconds.
.sun...w winds 10 to 15 kt, becoming nw 15 to 20 kt in the
afternoon. seas 2 to 3 ft. wave detail: nw 3 ft at 3 seconds and
se 1 foot at 8 seconds. a slight chance of showers in the
morning.
.sun night...n winds 25 to 30 kt. seas 4 to 5 ft, building to
5 to 7 ft after midnight.
.mon...ne winds 20 to 25 kt. seas 5 to 7 ft.
.mon night...n winds 10 to 15 kt. seas 4 to 5 ft.
.tue...n winds 5 to 10 kt. seas 3 to 4 ft.
.tue night...ne winds 5 kt. seas 2 to 3 ft.
$$
(4/6)
Latest Coastal Waters Forecast by KCHS
Issued 12/12/2025 12:50 AM America/New_York.
Valid through 12/12/2025 1:00 PM America/New_York.
fzus52 kchs 120550
cwfchs
expires:202512121800;;432087
coastal waters forecast
national weather service charleston sc
1250 am est fri dec 12 2025
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz374-121800-
waters from savannah ga to altamaha sound ga from 20 to 60 nm-
1250 am est fri dec 12 2025
.rest of tonight...nw winds 5 to 10 kt. seas 2 to 3 ft. wave
detail: nw 3 ft at 4 seconds and e 2 ft at 9 seconds.
.fri...nw winds 5 to 10 kt, becoming sw in the afternoon. seas
2 ft. wave detail: n 2 ft at 3 seconds and e 2 ft at 9 seconds.
.fri night...sw winds 10 to 15 kt. seas 2 to 3 ft. wave detail:
sw 2 ft at 3 seconds and n 1 foot at 3 seconds.
.sat...w winds 5 to 10 kt. seas 2 ft. wave detail: sw 2 ft at
3 seconds and se 1 foot at 8 seconds.
.sat night...sw winds 5 to 10 kt. seas 2 ft. wave detail: sw 2 ft
at 3 seconds and se 2 ft at 8 seconds.
.sun...w winds 10 to 15 kt, becoming nw 15 to 20 kt in the
afternoon. seas 2 to 3 ft, building to 3 to 4 ft in the
afternoon. wave detail: sw 2 ft at 3 seconds and se 2 ft at
8 seconds, becoming w 4 ft at 4 seconds and se 2 ft at 8 seconds.
a slight chance of showers in the morning.
.sun night...n winds 25 to 30 kt. seas 5 to 7 ft, building to
7 to 9 ft after midnight.
.mon...ne winds 20 to 25 kt. seas 7 to 9 ft. a slight chance of
showers.
.mon night...n winds 10 to 15 kt. seas 5 to 7 ft.
.tue...n winds 5 to 10 kt. seas 4 to 5 ft.
.tue night...ne winds 5 to 10 kt. seas 3 to 4 ft.
$$
(5/6)
Latest Coastal Waters Forecast by KJAX
Issued 12/12/2025 12:29 AM America/New_York.
Valid through 12/12/2025 3:00 PM America/New_York.
fzus52 kjax 120529
cwfjax
expires:202512122000;;430681
coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
1229 am est fri dec 12 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.
amz450-452-454-122000-
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-
1229 am est fri dec 12 2025
.rest of tonight...northwest winds 5 to 10 knots. seas 2 to
3 feet. wave detail: northwest 2 feet at 4 seconds and east
2 feet at 9 seconds. intracoastal waters light chop.
.friday...northwest winds around 5 knots, becoming south in the
afternoon. seas around 2 feet. wave detail: northeast 2 feet at
7 seconds. intracoastal waters light chop.
.friday night...southwest winds 5 to 10 knots, becoming west
after midnight. seas around 2 feet. wave detail: east 2 feet at
7 seconds. intracoastal waters light chop.
.saturday...northwest winds around 5 knots, becoming east in the
afternoon. seas around 2 feet in the morning, then 1 foot or
less. intracoastal waters smooth.
.saturday night...south winds around 5 knots, becoming west after
midnight. waves 1 foot or less, then around 2 feet after
midnight. intracoastal waters light chop.
.sunday...west winds 5 to 10 knots, becoming northwest 20 to
25 knots in the afternoon. seas 2 to 4 feet, occasionally to
5 feet. wave detail: northwest 4 feet at 4 seconds. intracoastal
waters rough.
.sunday night...north winds 25 to 35 knots. seas 5 to 7 feet,
occasionally to 9 feet, building to 7 to 10 feet, occasionally to
13 feet after midnight. intracoastal waters extremely rough.
.monday...northeast winds 25 to 30 knots, diminishing to 15 to
20 knots. seas 7 to 10 feet, occasionally to 13 feet, subsiding
to 5 to 7 feet, occasionally to 9 feet. intracoastal waters very
rough.
.tuesday...north winds 10 to 15 knots, becoming northeast 5 to
10 knots. seas 3 to 5 feet, occasionally to 6 feet. intracoastal
waters a moderate chop.
$$
(6/6)
Latest Coastal Waters Forecast by KJAX
Issued 12/12/2025 12:29 AM America/New_York.
Valid through 12/12/2025 3:00 PM America/New_York.
fzus52 kjax 120529
cwfjax
expires:202512122000;;430682
coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
1229 am est fri dec 12 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.
amz470-472-474-122000-
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-
1229 am est fri dec 12 2025
.rest of tonight...northwest winds 10 to 15 knots, diminishing to
5 to 10 knots. seas 2 to 3 feet. wave detail: northwest 3 feet at
4 seconds and east 2 feet at 9 seconds.
.friday...northwest winds around 5 knots, becoming southwest in
the afternoon. seas 2 to 3 feet. wave detail: north 2 feet at
4 seconds and east 2 feet at 9 seconds.
.friday night...southwest winds 5 to 10 knots, becoming west
after midnight. seas around 2 feet. wave detail: southwest 2 feet
at 3 seconds and east 2 feet at 8 seconds.
.saturday...west winds 5 to 10 knots, becoming southwest in the
afternoon. seas around 2 feet. wave detail: east 2 feet at
9 seconds.
.saturday night...south winds around 5 knots, becoming southwest
after midnight. seas around 2 feet. wave detail: east 2 feet at
8 seconds.
.sunday...west winds 10 to 15 knots, becoming northwest 20 to
25 knots in the afternoon. seas 2 to 3 feet, building to 3 to
5 feet, occasionally to 6 feet in the afternoon. wave detail:
west 2 feet at 3 seconds and southeast 2 feet at 8 seconds,
becoming northwest 5 feet at 5 seconds and southeast 2 feet at
8 seconds.
.sunday night...north winds 25 to 30 knots. seas 6 to 9 feet,
occasionally to 11 feet, building to 8 to 11 feet, occasionally
to 14 feet after midnight.
.monday...northeast winds 25 to 30 knots, diminishing to 15 to
20 knots. seas 8 to 11 feet, occasionally to 14 feet, subsiding
to 5 to 8 feet, occasionally to 10 feet. a slight chance of
showers through the day.
.tuesday...northeast winds 10 to 15 knots, becoming east 5 to
10 knots. seas 4 to 6 feet, occasionally to 8 feet, subsiding to
3 to 4 feet, occasionally to 5 feet after midnight.
$$
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