(1/6)
Latest Coastal Waters Forecast by KCHS
Issued 3/22/2026 5:39 PM America/New_York.
Valid through 3/23/2026 7:00 AM America/New_York.
fzus52 kchs 222139
cwfchs
expires:202603231100;;132492
coastal waters forecast
national weather service charleston sc
539 pm edt sun mar 22 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
amz350-231100-
waters from south santee river to edisto beach sc out 20 nm-
539 pm edt sun mar 22 2026
...gale watch in effect from monday evening through tuesday
evening...
.tonight...sw winds 15 to 20 kt with gusts to 25 kt. seas 4 to
5 ft. wave detail: sw 4 ft at 5 seconds and e 2 ft at 9 seconds.
.mon...sw winds 15 to 20 kt with gusts to 25 kt. seas 4 to 5 ft.
wave detail: sw 4 ft at 6 seconds and e 2 ft at 9 seconds.
.mon night...n winds 15 to 20 kt with gusts to 25 kt, becoming ne
25 to 30 kt after midnight. seas 3 to 4 ft. wave detail: sw 4 ft
at 6 seconds and ne 4 ft at 9 seconds. a slight chance of tstms
in the evening. a slight chance of showers.
.tue...ne winds 25 to 30 kt. seas 6 to 8 ft, building to 7 to
9 ft in the afternoon. wave detail: ne 8 ft at 7 seconds and s
1 foot at 5 seconds, becoming e 9 ft at 8 seconds. a slight
chance of showers in the afternoon.
.tue night...ne winds 20 to 25 kt with gusts to 30 kt,
diminishing to 15 to 20 kt after midnight. seas 6 to 8 ft,
subsiding to 5 to 7 ft after midnight. wave detail: e 8 ft at
8 seconds, becoming e 6 ft at 8 seconds. a slight chance of
showers in the evening, then a chance of showers after midnight.
.wed...ne winds 10 to 15 kt. seas 4 to 5 ft. wave detail: e 5 ft
at 8 seconds. a chance of showers, mainly in the morning.
.wed night...ne winds 5 to 10 kt. seas 3 to 4 ft.
.thu...e winds 5 to 10 kt. seas 3 ft.
.thu night...s winds 10 to 15 kt. seas 2 to 3 ft.
.fri...sw winds 10 to 15 kt. seas 2 to 3 ft.
.fri night...sw winds 25 to 30 kt. seas 3 to 4 ft. a slight
chance of showers.
winds and seas higher in and near tstms.
$$
(2/6)
Latest Coastal Waters Forecast by KCHS
Issued 3/22/2026 5:39 PM America/New_York.
Valid through 3/23/2026 7:00 AM America/New_York.
fzus52 kchs 222139
cwfchs
expires:202603231100;;132493
coastal waters forecast
national weather service charleston sc
539 pm edt sun mar 22 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
amz352-231100-
waters from edisto beach sc to savannah ga out 20 nm-
539 pm edt sun mar 22 2026
...gale watch in effect from monday evening through tuesday
evening...
.tonight...sw winds 15 kt with gusts to 20 kt. seas 3 to 4 ft.
wave detail: sw 4 ft at 5 seconds and e 2 ft at 9 seconds.
.mon...sw winds 10 to 15 kt with gusts to 20 kt. seas 3 to 4 ft.
wave detail: sw 4 ft at 5 seconds and e 2 ft at 9 seconds.
.mon night...w winds 10 to 15 kt with gusts to 20 kt, becoming ne
25 to 30 kt after midnight. seas 2 to 3 ft, building to 3 to 4 ft
after midnight. wave detail: sw 3 ft at 5 seconds and e 1 foot at
9 seconds, becoming ne 4 ft at 9 seconds and sw 2 ft at
5 seconds. a chance of tstms in the evening. a chance of showers.
.tue...ne winds 25 to 30 kt. seas 5 to 7 ft, building to 7 to
9 ft in the afternoon. wave detail: ne 7 ft at 6 seconds and s
1 foot at 5 seconds, becoming e 9 ft at 8 seconds. a slight
chance of showers in the afternoon.
.tue night...ne winds 20 to 25 kt with gusts to 30 kt,
diminishing to 15 to 20 kt after midnight. seas 7 to 9 ft,
subsiding to 5 to 7 ft after midnight. wave detail: e 9 ft at
8 seconds, becoming e 7 ft at 8 seconds. a chance of showers.
.wed...ne winds 10 to 15 kt. seas 4 to 6 ft, subsiding to 4 to
5 ft in the afternoon. wave detail: e 6 ft at 8 seconds, becoming
e 5 ft at 8 seconds. a chance of showers.
.wed night...ne winds 5 to 10 kt. seas 3 to 4 ft.
.thu...e winds 5 to 10 kt. seas 3 ft.
.thu night...s winds 5 to 10 kt. seas 2 to 3 ft.
.fri...sw winds 10 to 15 kt. seas 2 to 3 ft.
.fri night...sw winds 20 to 25 kt. seas 3 to 4 ft. a slight
chance of showers.
winds and seas higher in and near tstms.
$$
(3/6)
Latest Coastal Waters Forecast by KCHS
Issued 3/22/2026 5:39 PM America/New_York.
Valid through 3/23/2026 7:00 AM America/New_York.
fzus52 kchs 222139
cwfchs
expires:202603231100;;132494
coastal waters forecast
national weather service charleston sc
539 pm edt sun mar 22 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
amz354-231100-
waters from savannah ga to altamaha sound ga out 20 nm, including
grays reef national marine sanctuary-
539 pm edt sun mar 22 2026
...gale watch in effect from monday evening through tuesday
evening...
.tonight...sw winds 15 kt. seas 3 to 4 ft. wave detail: s 3 ft at
4 seconds and e 3 ft at 9 seconds.
.mon...sw winds 10 to 15 kt. seas 3 to 4 ft. wave detail: sw 3 ft
at 5 seconds and e 2 ft at 9 seconds.
.mon night...w winds 10 to 15 kt, becoming ne 25 to 30 kt after
midnight. seas 2 to 3 ft, building to 3 to 4 ft after midnight.
wave detail: sw 2 ft at 4 seconds and e 2 ft at 9 seconds,
becoming ne 4 ft at 9 seconds and sw 2 ft at 4 seconds. a chance
of showers with a slight chance of tstms.
.tue...ne winds 25 to 30 kt. seas 5 to 7 ft, building to 7 to
9 ft in the afternoon. wave detail: ne 7 ft at 6 seconds and s
1 foot at 5 seconds, becoming ne 8 ft at 7 seconds. a slight
chance of showers in the morning, then a chance of showers in the
afternoon.
.tue night...ne winds 20 to 25 kt with gusts to 30 kt,
diminishing to 15 to 20 kt after midnight. seas 7 to 9 ft,
subsiding to 6 to 8 ft after midnight. wave detail: e 9 ft at
8 seconds, becoming e 7 ft at 9 seconds. a chance of showers.
.wed...ne winds 10 to 15 kt. seas 5 to 6 ft, subsiding to 4 to
5 ft in the afternoon. wave detail: e 6 ft at 9 seconds, becoming
e 5 ft at 8 seconds. a chance of showers.
.wed night...ne winds 5 to 10 kt. seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight.
.thu...ne winds 5 to 10 kt. seas 3 to 4 ft.
.thu night...s winds 5 to 10 kt. seas 2 to 3 ft.
.fri...sw winds 10 to 15 kt. seas 2 to 3 ft.
.fri night...sw winds 20 to 25 kt. seas 3 ft.
winds and seas higher in and near tstms.
$$
(4/6)
Latest Coastal Waters Forecast by KCHS
Issued 3/22/2026 5:39 PM America/New_York.
Valid through 3/23/2026 7:00 AM America/New_York.
fzus52 kchs 222139
cwfchs
expires:202603231100;;132495
coastal waters forecast
national weather service charleston sc
539 pm edt sun mar 22 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
amz374-231100-
waters from savannah ga to altamaha sound ga from 20 to 60 nm-
539 pm edt sun mar 22 2026
...gale watch in effect from monday evening through late tuesday
night...
.tonight...sw winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. seas 4 to 5 ft. wave detail: sw 4 ft at 5 seconds and e
3 ft at 9 seconds.
.mon...sw winds 15 to 20 kt with gusts to 25 kt. seas 4 to 5 ft.
wave detail: sw 4 ft at 5 seconds and e 3 ft at 9 seconds.
.mon night...sw winds 10 to 15 kt with gusts to 20 kt, becoming
ne 25 to 30 kt after midnight. seas 3 to 4 ft, building to 4 to
5 ft after midnight. wave detail: sw 3 ft at 5 seconds and e 2 ft
at 9 seconds, becoming ne 5 ft at 9 seconds and w 3 ft at
5 seconds. a chance of showers with a slight chance of tstms.
.tue...ne winds 25 to 30 kt with gusts to 40 kt. seas 6 to 8 ft,
building to 8 to 10 ft in the afternoon. wave detail: ne 8 ft at
7 seconds and s 1 foot at 5 seconds, becoming ne 10 ft at
8 seconds. a chance of showers.
.tue night...ne winds 20 to 25 kt, becoming e 15 to 20 kt after
midnight. seas 8 to 10 ft, subsiding to 7 to 9 ft after midnight.
wave detail: ne 10 ft at 9 seconds, becoming e 9 ft at 9 seconds.
a chance of showers.
.wed...e winds 10 to 15 kt. seas 6 to 7 ft, subsiding to 5 to
6 ft in the afternoon. wave detail: e 7 ft at 9 seconds, becoming
e 6 ft at 8 seconds. a chance of showers.
.wed night...ne winds 5 to 10 kt. seas 4 to 5 ft. a slight chance
of showers in the evening.
.thu...ne winds 5 to 10 kt. seas 3 to 4 ft.
.thu night...s winds 5 to 10 kt. seas 3 to 4 ft.
.fri...sw winds 10 kt. seas 3 ft.
.fri night...sw winds 20 to 25 kt. seas 3 to 4 ft.
winds and seas higher in and near tstms.
$$
(5/6)
Latest Coastal Waters Forecast by KJAX
Issued 3/22/2026 7:14 PM America/New_York.
Valid through 3/23/2026 10:15 AM America/New_York.
fzus52 kjax 222314
cwfjax
expires:202603231415;;136075
coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
714 pm edt sun mar 22 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.
amz450-452-454-231415-
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-
714 pm edt sun mar 22 2026
.rest of tonight...southwest winds 10 to 15 knots, becoming west.
seas 2 to 3 feet. wave detail: southwest 3 feet at 4 seconds and
east 3 feet at 9 seconds. intracoastal waters a moderate chop.
.monday...southwest winds 10 to 15 knots. seas 2 to 3 feet. wave
detail: southwest 3 feet at 3 seconds and east 2 feet at
9 seconds. intracoastal waters a moderate chop.
.monday night...west winds 10 to 15 knots, becoming north 20 to
25 knots after midnight. seas 2 to 4 feet, occasionally to
5 feet. wave detail: east 4 feet at 9 seconds and southwest
2 feet at 3 seconds. intracoastal waters rough. a slight chance
of showers.
.tuesday...northeast winds 20 to 25 knots. seas 4 to 6 feet,
occasionally to 8 feet, building to 5 to 8 feet, occasionally to
10 feet in the afternoon. wave detail: northeast 6 feet at
6 seconds and northwest 2 feet at 3 seconds, becoming northeast
8 feet at 7 seconds. intracoastal waters rough. a slight chance
of thunderstorms. a chance of showers in the morning, then
showers likely in the afternoon.
.tuesday night...northeast winds 20 to 25 knots, diminishing to
10 to 15 knots after midnight. seas 6 to 8 feet, occasionally to
10 feet. wave detail: northeast 8 feet at 9 seconds. intracoastal
waters rough. a chance of showers. a slight chance of
thunderstorms in the evening, then a chance of thunderstorms
after midnight.
.wednesday...northeast winds 10 to 15 knots. seas 5 to 7 feet,
occasionally to 9 feet. wave detail: east 7 feet at 9 seconds.
intracoastal waters a moderate chop. a chance of showers with a
slight chance of thunderstorms.
.wednesday night...northeast winds 5 to 10 knots. seas 3 to
5 feet, occasionally to 6 feet. intracoastal waters light chop.
.thursday through friday...southwest winds 20 to 25 knots. seas
2 to 4 feet, occasionally to 5 feet. intracoastal waters rough.
winds and waves higher in and near thunderstorms.
$$
(6/6)
Latest Coastal Waters Forecast by KJAX
Issued 3/22/2026 7:14 PM America/New_York.
Valid through 3/23/2026 10:15 AM America/New_York.
fzus52 kjax 222314
cwfjax
expires:202603231415;;136076
coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
714 pm edt sun mar 22 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.
amz470-472-474-231415-
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-
714 pm edt sun mar 22 2026
...small craft exercise caution in effect through monday
morning...
.rest of tonight...south winds 10 to 15 knots, becoming west
15 to 20 knots. seas 2 to 4 feet, occasionally to 5 feet. wave
detail: southwest 4 feet at 4 seconds and east 3 feet at
9 seconds.
.monday...west winds 15 to 20 knots, becoming southwest 10 to
15 knots in the afternoon. seas 2 to 4 feet, occasionally to
5 feet. wave detail: west 4 feet at 4 seconds and east 3 feet at
9 seconds.
.monday night...southwest winds 10 to 15 knots, becoming north
20 to 25 knots after midnight. seas 3 to 5 feet, occasionally to
6 feet. wave detail: east 4 feet at 9 seconds and southwest
3 feet at 4 seconds. a chance of showers in the evening, then a
slight chance of showers and thunderstorms after midnight.
.tuesday...northeast winds 20 to 25 knots. seas 5 to 7 feet,
occasionally to 9 feet, building to 7 to 10 feet, occasionally to
13 feet in the afternoon. wave detail: northeast 7 feet at
6 seconds and west 3 feet at 4 seconds, becoming northeast
10 feet at 8 seconds. a slight chance of thunderstorms. a chance
of showers in the morning, then showers likely in the afternoon.
.tuesday night...east winds 20 to 25 knots, diminishing to 15 to
20 knots after midnight. seas 8 to 11 feet, occasionally to
14 feet. wave detail: northeast 10 feet at 9 seconds. showers
likely. a slight chance of thunderstorms in the evening, then a
chance of thunderstorms after midnight.
.wednesday...east winds 10 to 15 knots. seas 5 to 8 feet,
occasionally to 10 feet. wave detail: east 8 feet at 9 seconds. a
chance of showers with a slight chance of thunderstorms.
.wednesday night...northeast winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. seas 4 to 6 feet, occasionally to
8 feet. a slight chance of showers and thunderstorms in the
evening.
.thursday through friday...southwest winds 20 to 25 knots. seas
3 to 5 feet, occasionally to 6 feet.
winds and seas higher in and near thunderstorms.
$$
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