(1/6)
Latest Coastal Waters Forecast by KCHS
Issued 1/17/2026 4:40 PM America/New_York.
Valid through 1/18/2026 6:00 AM America/New_York.
fzus52 kchs 172140
cwfchs
expires:202601181100;;063667
coastal waters forecast
national weather service charleston sc
440 pm est sat jan 17 2026
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
amz350-181100-
waters from south santee river to edisto beach sc out 20 nm-
440 pm est sat jan 17 2026
.tonight...sw winds 5 to 10 kt, becoming nw late. seas 2 to 3 ft.
wave detail: s 2 ft at 5 seconds and e 1 foot at 9 seconds. a
slight chance of showers after midnight. a chance of showers
late.
.sun...nw winds 15 to 20 kt with gusts to 25 kt. seas 2 to 3 ft.
wave detail: nw 3 ft at 4 seconds and se 1 foot at 4 seconds.
showers.
.sun night...nw winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. seas 2 to 3 ft. wave detail: w 3 ft at 4 seconds
and ne 1 foot at 4 seconds.
.mon...w winds 10 to 15 kt. seas 2 to 3 ft. wave detail: w 2 ft
at 4 seconds and se 2 ft at 8 seconds.
.mon night...nw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: w
2 ft at 4 seconds and se 2 ft at 8 seconds.
.tue...n winds 10 to 15 kt. seas 2 to 3 ft. wave detail: n 2 ft
at 3 seconds and se 2 ft at 9 seconds.
.tue night...ne winds 10 kt. seas 2 to 3 ft.
.wed...ne winds 5 to 10 kt. seas 3 ft.
.wed night...n winds 5 to 10 kt. seas 3 to 4 ft. a slight chance
of showers.
.thu...n winds 5 to 10 kt. seas 3 to 4 ft. a chance of showers.
.thu night...n winds 10 to 15 kt. seas 4 to 5 ft. a slight chance
of showers.
$$
(2/6)
Latest Coastal Waters Forecast by KCHS
Issued 1/17/2026 4:40 PM America/New_York.
Valid through 1/18/2026 6:00 AM America/New_York.
fzus52 kchs 172140
cwfchs
expires:202601181100;;063668
coastal waters forecast
national weather service charleston sc
440 pm est sat jan 17 2026
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz352-181100-
waters from edisto beach sc to savannah ga out 20 nm-
440 pm est sat jan 17 2026
.tonight...sw winds 5 kt, becoming nw after midnight, then
increasing to 10 to 15 kt late. seas 2 ft. wave detail: s 2 ft at
4 seconds and e 1 foot at 9 seconds. a slight chance of showers
after midnight.
.sun...nw winds 15 to 20 kt with gusts to 25 kt. seas 2 to 3 ft.
wave detail: nw 3 ft at 4 seconds and se 1 foot at 4 seconds.
showers.
.sun night...nw winds 15 to 20 kt. seas 2 to 3 ft. wave detail:
nw 3 ft at 4 seconds and ne 1 foot at 4 seconds.
.mon...w winds 10 to 15 kt. seas 2 to 3 ft. wave detail: nw 2 ft
at 3 seconds and se 1 foot at 9 seconds.
.mon night...nw winds 10 kt. seas 2 to 3 ft. wave detail: w 2 ft
at 3 seconds and se 2 ft at 8 seconds.
.tue...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: nw 2 ft
at 3 seconds and se 2 ft at 8 seconds.
.tue night...ne winds 5 to 10 kt. seas 2 to 3 ft.
.wed...ne winds 10 to 15 kt. seas 3 ft.
.wed night...ne winds 5 to 10 kt. seas 3 to 4 ft. a slight chance
of showers.
.thu...n winds 5 to 10 kt. seas 3 to 4 ft. a chance of showers.
.thu night...n winds 10 to 15 kt. seas 3 to 4 ft. a slight chance
of showers.
$$
(3/6)
Latest Coastal Waters Forecast by KCHS
Issued 1/17/2026 4:40 PM America/New_York.
Valid through 1/18/2026 6:00 AM America/New_York.
fzus52 kchs 172140
cwfchs
expires:202601181100;;063669
coastal waters forecast
national weather service charleston sc
440 pm est sat jan 17 2026
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
amz354-181100-
waters from savannah ga to altamaha sound ga out 20 nm, including
grays reef national marine sanctuary-
440 pm est sat jan 17 2026
...small craft advisory in effect from sunday morning through
sunday afternoon...
.tonight...s winds 5 kt, becoming nw after midnight, then
increasing to 10 to 15 kt late. seas 2 ft. wave detail: sw 2 ft
at 3 seconds and e 1 foot at 9 seconds. a chance of showers late.
.sun...nw winds 15 to 20 kt with gusts to 25 kt. seas 2 to 3 ft.
wave detail: n 3 ft at 4 seconds and se 1 foot at 4 seconds.
showers.
.sun night...nw winds 15 to 20 kt. seas 2 to 3 ft. wave detail: n
3 ft at 4 seconds and e 1 foot at 9 seconds.
.mon...nw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: nw 2 ft
at 3 seconds and e 1 foot at 9 seconds.
.mon night...nw winds 10 to 15 kt. seas 2 to 3 ft. wave detail: w
2 ft at 3 seconds and se 2 ft at 8 seconds.
.tue...n winds 10 to 15 kt. seas 2 to 3 ft. wave detail: nw 2 ft
at 3 seconds and se 2 ft at 8 seconds.
.tue night...ne winds 10 to 15 kt. seas 2 to 3 ft.
.wed...ne winds 10 to 15 kt. seas 3 ft.
.wed night...ne winds 5 to 10 kt. seas 3 ft. a slight chance of
showers.
.thu...n winds 10 kt. seas 3 to 4 ft. a chance of showers.
.thu night...n winds 10 to 15 kt. seas 3 to 4 ft. a slight chance
of showers.
$$
(4/6)
Latest Coastal Waters Forecast by KCHS
Issued 1/17/2026 4:40 PM America/New_York.
Valid through 1/18/2026 6:00 AM America/New_York.
fzus52 kchs 172140
cwfchs
expires:202601181100;;063670
coastal waters forecast
national weather service charleston sc
440 pm est sat jan 17 2026
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
amz374-181100-
waters from savannah ga to altamaha sound ga from 20 to 60 nm-
440 pm est sat jan 17 2026
...small craft advisory in effect from sunday morning through
late sunday night...
.tonight...s winds 5 to 10 kt, becoming w after midnight, then
becoming nw late. seas 2 to 3 ft. wave detail: s 2 ft at
4 seconds and e 1 foot at 9 seconds. a slight chance of showers
after midnight. a chance of showers late.
.sun...nw winds 20 to 25 kt with gusts to 30 kt. seas 3 to 4 ft,
building to 4 to 5 ft in the afternoon. wave detail: nw 4 ft at
4 seconds and se 1 foot at 4 seconds, becoming nw 5 ft at
5 seconds and se 1 foot at 4 seconds. showers.
.sun night...nw winds 15 to 20 kt with gusts to 25 kt. seas 4 to
5 ft, subsiding to 3 to 4 ft after midnight. wave detail: nw 4 ft
at 5 seconds and e 1 foot at 9 seconds.
.mon...nw winds 10 to 15 kt. seas 3 to 4 ft, subsiding to 2 to
3 ft in the afternoon. wave detail: nw 3 ft at 4 seconds and e
2 ft at 9 seconds, becoming nw 3 ft at 4 seconds and e 2 ft at
8 seconds.
.mon night...nw winds 10 to 15 kt. seas 2 to 3 ft, building to
3 to 4 ft after midnight. wave detail: nw 2 ft at 4 seconds and
se 2 ft at 8 seconds, becoming nw 3 ft at 4 seconds and e 2 ft at
8 seconds.
.tue...n winds 10 to 15 kt. seas 3 to 4 ft. wave detail: nw 3 ft
at 4 seconds and e 2 ft at 8 seconds.
.tue night...ne winds 10 to 15 kt. seas 3 to 4 ft.
.wed...ne winds 10 to 15 kt. seas 3 to 4 ft.
.wed night...ne winds 10 kt. seas 4 to 5 ft. a slight chance of
showers.
.thu...n winds 10 to 15 kt. seas 4 to 5 ft. a chance of showers.
.thu night...n winds 10 to 15 kt. seas 4 to 5 ft. a slight chance
of showers and tstms.
winds and seas higher in and near tstms.
$$
(5/6)
Latest Coastal Waters Forecast by KJAX
Issued 1/17/2026 12:15 PM America/New_York.
Valid through 1/18/2026 3:00 AM America/New_York.
fzus52 kjax 171715
cwfjax
expires:202601180800;;050786
coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
1215 pm est sat jan 17 2026
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.
amz450-452-454-180800-
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-
1215 pm est sat jan 17 2026
...small craft advisory in effect from sunday morning through
sunday evening...
.rest of today...south winds around 10 knots. seas around 2 feet.
wave detail: south 2 feet at 3 seconds. intracoastal waters light
chop.
.tonight...south winds around 10 knots, becoming west after
midnight. seas around 2 feet. wave detail: south 2 feet at
4 seconds. intracoastal waters a moderate chop. a chance of
showers after midnight.
.sunday...northwest winds 20 to 25 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: north 4 feet at 5 seconds.
intracoastal waters rough. showers, mainly in the morning.
.sunday night...northwest winds 15 to 20 knots. seas 2 to 4 feet,
occasionally to 5 feet. wave detail: north 4 feet at 5 seconds.
intracoastal waters choppy.
.monday and monday night...northwest winds 15 to 20 knots. seas
2 to 4 feet, occasionally to 5 feet. wave detail: north 3 feet at
5 seconds and east 2 feet at 8 seconds. intracoastal waters
choppy.
.tuesday...north winds 15 to 20 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: north 4 feet at 4 seconds
and east 2 feet at 9 seconds. intracoastal waters choppy.
.wednesday...northeast winds 10 to 15 knots, diminishing to 5 to
10 knots. seas 3 to 4 feet, occasionally to 5 feet. intracoastal
waters a moderate chop. a slight chance of showers after
midnight.
$$
(6/6)
Latest Coastal Waters Forecast by KJAX
Issued 1/17/2026 12:15 PM America/New_York.
Valid through 1/18/2026 3:00 AM America/New_York.
fzus52 kjax 171715
cwfjax
expires:202601180800;;050787
coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
1215 pm est sat jan 17 2026
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.
amz470-472-474-180800-
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-
1215 pm est sat jan 17 2026
...small craft advisory in effect from sunday morning through
late sunday night...
.rest of today...south winds 10 to 15 knots. seas 2 to 3 feet.
wave detail: southwest 2 feet at 3 seconds.
.tonight...south winds 10 to 15 knots, becoming west after
midnight. seas 2 to 3 feet. wave detail: northwest 2 feet at
3 seconds and south 2 feet at 3 seconds. a slight chance of
showers in the evening, then a chance of showers after midnight.
.sunday...northwest winds 20 to 25 knots, increasing to 25 to
30 knots in the afternoon. seas 3 to 5 feet, occasionally to
6 feet, building to 5 to 7 feet, occasionally to 9 feet in the
afternoon. wave detail: northwest 5 feet at 5 seconds and south
2 feet at 4 seconds, becoming north 6 feet at 6 seconds and east
2 feet at 9 seconds. showers.
.sunday night...northwest winds 15 to 20 knots. seas 4 to 6 feet,
occasionally to 8 feet. wave detail: north 6 feet at 6 seconds
and east 2 feet at 9 seconds.
.monday...northwest winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. seas 3 to 5 feet, occasionally to
6 feet. wave detail: north 5 feet at 5 seconds and east 2 feet at
9 seconds.
.monday night...northwest winds 10 to 15 knots, increasing to
15 to 20 knots after midnight. seas 2 to 4 feet, occasionally to
5 feet. wave detail: northwest 4 feet at 4 seconds and east
2 feet at 8 seconds.
.tuesday...north winds 15 to 20 knots. seas 4 to 5 feet,
occasionally to 6 feet.
.wednesday...northeast winds 10 to 15 knots. seas 4 to 5 feet,
occasionally to 6 feet. a slight chance of showers after
midnight.
$$
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