(1/6)
Latest Coastal Waters Forecast by KCHS
Issued 1/12/2026 12:56 AM America/New_York.
Valid through 1/12/2026 2:00 PM America/New_York.
fzus52 kchs 120556
cwfchs
expires:202601121900;;208302
coastal waters forecast
national weather service charleston sc
1255 am est mon jan 12 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
amz350-121900-
waters from south santee river to edisto beach sc out 20 nm-
1255 am est mon jan 12 2026
...small craft advisory in effect until 7 am est this morning...
.rest of tonight...n winds 20 to 25 kt. seas 4 to 5 ft. wave
detail: nw 4 ft at 5 seconds and ne 4 ft at 6 seconds.
.mon...ne winds 15 to 20 kt, diminishing to 5 to 10 kt in the
afternoon. seas 3 to 4 ft, subsiding to 2 to 3 ft in the
afternoon. wave detail: ne 4 ft at 6 seconds, becoming ne 3 ft at
6 seconds.
.mon night...n winds 5 kt. seas 2 to 3 ft. wave detail: ne 3 ft
at 6 seconds.
.tue...n winds 5 kt, becoming nw in the afternoon. seas 2 ft.
wave detail: e 2 ft at 7 seconds.
.tue night...sw winds 5 to 10 kt. seas 2 ft. wave detail: e 2 ft
at 8 seconds and w 1 foot at 2 seconds.
.wed...w 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. a chance of showers.
.wed night...w winds 15 to 20 kt with gusts to 25 kt. seas 3 to
4 ft, building to 4 to 5 ft after midnight. a chance of showers,
mainly in the evening.
.thu...w winds 25 to 30 kt. seas 4 to 6 ft. a chance of showers.
.thu night...nw winds 25 to 30 kt. seas 4 to 6 ft. a slight
chance of showers.
.fri...w winds 10 to 15 kt. seas 3 to 4 ft.
.fri night...sw winds 10 to 15 kt. seas 2 to 3 ft.
$$
(2/6)
Latest Coastal Waters Forecast by KCHS
Issued 1/12/2026 12:56 AM America/New_York.
Valid through 1/12/2026 2:00 PM America/New_York.
fzus52 kchs 120556
cwfchs
expires:202601121900;;208303
coastal waters forecast
national weather service charleston sc
1255 am est mon jan 12 2026
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz352-121900-
waters from edisto beach sc to savannah ga out 20 nm-
1255 am est mon jan 12 2026
...small craft advisory in effect until 7 am est this morning...
.rest of tonight...n winds 20 to 25 kt. seas 3 to 4 ft. wave
detail: n 4 ft at 5 seconds.
.mon...ne winds 15 to 20 kt, diminishing to 5 to 10 kt in the
afternoon. seas 3 to 4 ft, subsiding to 2 to 3 ft in the
afternoon. wave detail: ne 4 ft at 5 seconds, becoming ne 3 ft at
5 seconds.
.mon night...n winds 5 to 10 kt. seas 2 ft. wave detail: ne 2 ft
at 6 seconds.
.tue...ne winds 5 to 10 kt, becoming nw in the afternoon. seas
2 ft. wave detail: e 2 ft at 7 seconds.
.tue night...sw winds 5 kt, becoming w after midnight. seas 2 ft.
wave detail: e 2 ft at 8 seconds. a slight chance of showers
after midnight.
.wed...w winds 10 to 15 kt. seas 2 to 3 ft. wave detail: sw 2 ft
at 3 seconds and e 2 ft at 7 seconds. a chance of showers.
.wed night...sw winds 15 to 20 kt. seas 2 to 3 ft, building to
3 to 4 ft after midnight. a chance of showers, mainly in the
evening.
.thu...w winds 25 to 30 kt. seas 4 to 6 ft. a slight chance of
showers.
.thu night...nw winds 25 to 30 kt. seas 4 to 6 ft.
.fri...w winds 10 to 15 kt. seas 2 to 3 ft.
.fri night...sw winds 10 to 15 kt. seas 2 ft.
$$
(3/6)
Latest Coastal Waters Forecast by KCHS
Issued 1/12/2026 12:56 AM America/New_York.
Valid through 1/12/2026 2:00 PM America/New_York.
fzus52 kchs 120556
cwfchs
expires:202601121900;;208304
coastal waters forecast
national weather service charleston sc
1255 am est mon jan 12 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
amz354-121900-
waters from savannah ga to altamaha sound ga out 20 nm, including
grays reef national marine sanctuary-
1255 am est mon jan 12 2026
...small craft advisory in effect until 7 am est this morning...
.rest of tonight...n winds 20 to 25 kt. seas 4 to 5 ft. wave
detail: ne 4 ft at 5 seconds.
.mon...ne winds 15 to 20 kt, becoming n 10 to 15 kt in the
afternoon. seas 3 to 4 ft. wave detail: ne 4 ft at 5 seconds.
.mon night...n winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne
3 ft at 6 seconds.
.tue...n winds 5 to 10 kt, diminishing to 5 kt in the afternoon.
seas 2 ft. wave detail: ne 2 ft at 7 seconds.
.tue night...sw winds 5 kt, becoming w after midnight. seas 2 ft.
wave detail: e 2 ft at 8 seconds. a slight chance of showers
after midnight.
.wed...w winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. seas 2 to 3 ft. wave detail: w 2 ft at 3 seconds and e
2 ft at 7 seconds. a chance of showers.
.wed night...w winds 15 to 20 kt with gusts to 25 kt. seas 2 to
3 ft, building to 3 to 4 ft after midnight. a slight chance of
showers.
.thu...w winds 25 to 30 kt. seas 4 to 5 ft. a slight chance of
showers.
.thu night...nw winds 25 to 30 kt. seas 4 to 5 ft.
.fri...w winds 10 to 15 kt. seas 2 to 3 ft.
.fri night...sw winds 10 to 15 kt. seas 2 ft.
$$
(4/6)
Latest Coastal Waters Forecast by KCHS
Issued 1/12/2026 12:56 AM America/New_York.
Valid through 1/12/2026 2:00 PM America/New_York.
fzus52 kchs 120556
cwfchs
expires:202601121900;;208305
coastal waters forecast
national weather service charleston sc
1255 am est mon jan 12 2026
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz374-121900-
waters from savannah ga to altamaha sound ga from 20 to 60 nm-
1255 am est mon jan 12 2026
...small craft advisory in effect until 7 am est this morning...
.rest of tonight...ne winds 20 to 25 kt with gusts to 30 kt. seas
5 to 6 ft. wave detail: ne 6 ft at 6 seconds.
.mon...ne winds 15 to 20 kt with gusts to 25 kt, becoming n 10 to
15 kt in the afternoon. seas 4 to 6 ft, subsiding to 4 to 5 ft in
the afternoon. wave detail: ne 5 ft at 6 seconds, becoming ne
4 ft at 6 seconds.
.mon night...n winds 10 to 15 kt. seas 3 to 4 ft. wave detail: ne
4 ft at 7 seconds.
.tue...n winds 5 to 10 kt. seas 3 ft. wave detail: ne 3 ft at
8 seconds.
.tue night...w winds 5 to 10 kt. seas 2 to 3 ft. wave detail: ne
3 ft at 8 seconds. a slight chance of showers after midnight.
.wed...w winds 10 to 15 kt. seas 2 to 3 ft, building to 3 to 4 ft
in the afternoon. wave detail: w 2 ft at 3 seconds and e 2 ft at
8 seconds, becoming w 3 ft at 4 seconds and se 2 ft at 8 seconds.
a chance of showers.
.wed night...sw winds 15 to 20 kt, becoming w 20 to 25 kt after
midnight. seas 4 to 5 ft, building to 4 to 6 ft after midnight. a
chance of showers.
.thu...w winds 25 to 30 kt. seas 5 to 7 ft. a slight chance of
showers.
.thu night...nw winds 25 to 30 kt. seas 6 to 8 ft.
.fri...nw winds 15 to 20 kt. seas 4 to 5 ft.
.fri night...sw winds 10 to 15 kt. seas 2 to 3 ft.
$$
(5/6)
Latest Coastal Waters Forecast by KJAX
Issued 1/12/2026 12:29 AM America/New_York.
Valid through 1/12/2026 3:00 PM America/New_York.
fzus52 kjax 120529
cwfjax
expires:202601122000;;207137
coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
1229 am est mon jan 12 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.
amz450-452-454-122000-
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 mon jan 12 2026
...small craft advisory in effect until 10 am est this morning...
.rest of tonight...north winds 20 to 25 knots. seas 4 to 6 feet,
occasionally to 8 feet. wave detail: north 6 feet at 6 seconds.
intracoastal waters rough.
.monday...north winds 15 to 20 knots. seas 4 to 6 feet,
occasionally to 8 feet. wave detail: northeast 6 feet at
6 seconds. intracoastal waters choppy.
.monday night...north winds 15 to 20 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: northeast 5 feet at
7 seconds. intracoastal waters choppy.
.tuesday...north winds 10 to 15 knots. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: northeast 5 feet at
8 seconds. intracoastal waters a moderate chop.
.tuesday night...north winds 5 to 10 knots, becoming northwest
after midnight. seas 2 to 3 feet. wave detail: northeast 3 feet
at 8 seconds. intracoastal waters light chop. a slight chance of
showers after midnight.
.wednesday and wednesday night...west winds 10 to 15 knots. seas
2 to 3 feet. wave detail: northeast 3 feet at 7 seconds and west
2 feet at 3 seconds. intracoastal waters a moderate chop. a
chance of showers.
.thursday...west winds 20 to 25 knots, becoming northwest 25 to
30 knots. seas 2 to 3 feet, building to 4 to 6 feet, occasionally
to 8 feet. intracoastal waters very rough. a slight chance of
showers in the morning.
.friday...northwest winds 15 to 20 knots, becoming southwest
around 10 knots. seas 3 to 5 feet, occasionally to 6 feet,
subsiding to 2 to 3 feet. intracoastal waters choppy.
$$
(6/6)
Latest Coastal Waters Forecast by KJAX
Issued 1/12/2026 12:29 AM America/New_York.
Valid through 1/12/2026 3:00 PM America/New_York.
fzus52 kjax 120529
cwfjax
expires:202601122000;;207138
coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
1229 am est mon jan 12 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.
amz470-472-474-122000-
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 mon jan 12 2026
...small craft advisory in effect until 10 am est this morning...
.rest of tonight...north winds 20 to 25 knots. seas 6 to 7 feet,
occasionally to 9 feet. wave detail: north 7 feet at 7 seconds.
.monday...northeast winds 15 to 20 knots. seas 5 to 6 feet,
occasionally to 8 feet. wave detail: north 6 feet at 7 seconds.
.monday night...north winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. seas 4 to 5 feet, occasionally to
6 feet. wave detail: northeast 5 feet at 8 seconds.
.tuesday...north winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. seas 3 to 5 feet, occasionally to
6 feet. wave detail: northeast 4 feet at 8 seconds. a slight
chance of showers.
.tuesday night...north winds 5 to 10 knots, becoming northwest
after midnight. seas 2 to 4 feet, occasionally to 5 feet. wave
detail: northeast 3 feet at 8 seconds. a slight chance of showers
in the evening, then a chance of showers with a slight chance of
thunderstorms after midnight.
.wednesday and wednesday night...west winds 15 to 20 knots. seas
2 to 4 feet, occasionally to 5 feet. wave detail: west 4 feet at
4 seconds and east 3 feet at 8 seconds. a chance of showers.
.thursday...northwest winds 25 to 30 knots. seas 3 to 5 feet,
occasionally to 6 feet, building to 5 to 8 feet, occasionally to
10 feet. a chance of showers, mainly in the morning.
.friday...northwest winds 15 to 20 knots, becoming west 10 to
15 knots. seas 4 to 6 feet, occasionally to 8 feet, subsiding to
2 to 4 feet, occasionally to 5 feet.
winds and seas higher in and near thunderstorms.
$$
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