(1/6)
Latest Coastal Waters Forecast by KCHS
Issued 4/12/2026 7:09 AM America/New_York.
Valid through 4/12/2026 9:00 PM America/New_York.
fzus52 kchs 121109
cwfchs
expires:202604130100;;240251
coastal waters forecast
national weather service charleston sc
709 am edt sun apr 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
amz350-130100-
waters from south santee river to edisto beach sc out 20 nm-
709 am edt sun apr 12 2026
.today...e winds 5 to 10 kt. seas 3 ft. wave detail: e 3 ft at
10 seconds and s 1 foot at 5 seconds.
.tonight...se winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e
3 ft at 10 seconds and s 1 foot at 4 seconds.
.mon...s winds 5 to 10 kt. seas 2 to 3 ft. wave detail: e 3 ft at
10 seconds and s 1 foot at 4 seconds.
.mon night...s winds 5 to 10 kt. seas 3 ft. wave detail: e 3 ft
at 10 seconds.
.tue...sw winds 5 kt, increasing to 10 to 15 kt in the afternoon.
seas 2 to 3 ft. wave detail: e 3 ft at 10 seconds.
.tue night...sw winds 10 to 15 kt. seas 3 ft. wave detail: se
3 ft at 9 seconds.
.wed...sw winds 10 to 15 kt. seas 3 ft.
.wed night...s winds 10 to 15 kt. seas 3 ft.
.thu...sw winds 10 to 15 kt. seas 3 ft.
.thu night...sw winds 10 to 15 kt. seas 3 ft.
$$
(2/6)
Latest Coastal Waters Forecast by KCHS
Issued 4/12/2026 7:09 AM America/New_York.
Valid through 4/12/2026 9:00 PM America/New_York.
fzus52 kchs 121109
cwfchs
expires:202604130100;;240252
coastal waters forecast
national weather service charleston sc
709 am edt sun apr 12 2026
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz352-130100-
waters from edisto beach sc to savannah ga out 20 nm-
709 am edt sun apr 12 2026
.today...e winds 5 kt. seas 3 ft. wave detail: e 3 ft at
10 seconds.
.tonight...se winds 5 kt. seas 2 to 3 ft. wave detail: e 3 ft at
10 seconds and se 1 foot at 5 seconds.
.mon...se winds 5 kt. seas 2 to 3 ft. wave detail: e 3 ft at
10 seconds.
.mon night...s winds 5 to 10 kt. seas 3 ft. wave detail: e 3 ft
at 10 seconds.
.tue...sw winds 5 to 10 kt. seas 3 ft. wave detail: e 3 ft at
9 seconds.
.tue night...s winds 10 kt. seas 3 ft. wave detail: se 3 ft at
9 seconds.
.wed...sw winds 5 to 10 kt. seas 3 ft.
.wed night...s winds 10 to 15 kt. seas 3 ft.
.thu...s winds 10 to 15 kt. seas 3 ft.
.thu night...s winds 10 to 15 kt. seas 3 ft.
$$
(3/6)
Latest Coastal Waters Forecast by KCHS
Issued 4/12/2026 7:09 AM America/New_York.
Valid through 4/12/2026 9:00 PM America/New_York.
fzus52 kchs 121109
cwfchs
expires:202604130100;;240253
coastal waters forecast
national weather service charleston sc
709 am edt sun apr 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
amz354-130100-
waters from savannah ga to altamaha sound ga out 20 nm, including
grays reef national marine sanctuary-
709 am edt sun apr 12 2026
.today...e winds 5 kt. seas 3 ft. wave detail: e 3 ft at
10 seconds.
.tonight...se winds 5 kt. seas 3 ft. wave detail: e 3 ft at
10 seconds.
.mon...se winds 5 kt. seas 3 ft. wave detail: e 3 ft at
10 seconds.
.mon night...s winds 5 to 10 kt. seas 3 ft. wave detail: e 3 ft
at 10 seconds.
.tue...s winds 5 to 10 kt. seas 3 ft. wave detail: se 3 ft at
9 seconds.
.tue night...s winds 10 kt. seas 3 ft. wave detail: se 3 ft at
9 seconds.
.wed...s winds 10 to 15 kt. seas 3 ft.
.wed night...s winds 10 to 15 kt. seas 3 ft.
.thu...s winds 10 to 15 kt. seas 3 ft.
.thu night...s winds 10 to 15 kt. seas 3 to 4 ft.
$$
(4/6)
Latest Coastal Waters Forecast by KCHS
Issued 4/12/2026 7:09 AM America/New_York.
Valid through 4/12/2026 9:00 PM America/New_York.
fzus52 kchs 121109
cwfchs
expires:202604130100;;240254
coastal waters forecast
national weather service charleston sc
709 am edt sun apr 12 2026
south santee river sc to savannah ga out 20 nm and savannah ga to
altamaha sound ga out 60 nm, including charleston harbor and
grays reef national marine sanctuary
amz374-130100-
waters from savannah ga to altamaha sound ga from 20 to 60 nm-
709 am edt sun apr 12 2026
.today...e winds 5 kt. seas 4 to 5 ft. wave detail: e 4 ft at
10 seconds.
.tonight...se winds 5 to 10 kt. seas 3 to 4 ft. wave detail: e
4 ft at 10 seconds.
.mon...se winds 5 to 10 kt, diminishing to 5 kt in the afternoon.
seas 3 to 4 ft. wave detail: e 4 ft at 10 seconds.
.mon night...s winds 5 to 10 kt. seas 3 to 4 ft. wave detail: e
4 ft at 10 seconds.
.tue...sw winds 5 kt. seas 3 to 4 ft. wave detail: e 4 ft at
9 seconds.
.tue night...s winds 5 to 10 kt. seas 3 to 4 ft. wave detail: e
4 ft at 9 seconds.
.wed...sw winds 5 to 10 kt. seas 3 to 4 ft.
.wed night...s winds 10 to 15 kt. seas 3 to 4 ft.
.thu...sw winds 10 kt. seas 3 to 4 ft.
.thu night...s winds 10 to 15 kt. seas 3 to 4 ft.
$$
(5/6)
Latest Coastal Waters Forecast by KJAX
Issued 4/12/2026 8:37 AM America/New_York.
Valid through 4/12/2026 11:45 PM America/New_York.
fzus52 kjax 121237
cwfjax
expires:202604130345;;243074
coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
837 am edt sun apr 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.
amz450-452-454-130345-
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-
837 am edt sun apr 12 2026
.rest of today...east winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: east 4 feet at 11 seconds
and east 2 feet at 5 seconds. intracoastal waters light chop.
patchy dense fog this morning with visibility 1 nm or less.
.tonight...east winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: east 4 feet at 11 seconds
and southeast 2 feet at 5 seconds. intracoastal waters light
chop.
.monday...east winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: east 4 feet at 10 seconds
and southeast 2 feet at 6 seconds. intracoastal waters light
chop.
.monday night...southeast winds 5 to 10 knots, becoming south
after midnight. seas 3 to 4 feet, occasionally to 5 feet. wave
detail: east 4 feet at 10 seconds. intracoastal waters light
chop.
.tuesday...southeast winds around 5 knots, increasing to 5 to
10 knots in the afternoon. seas 3 to 4 feet, occasionally to
5 feet. wave detail: east 4 feet at 9 seconds. intracoastal
waters light chop.
.tuesday night...south winds 5 to 10 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: east 4 feet at 9 seconds.
intracoastal waters light chop. patchy fog after midnight.
.wednesday through thursday...south winds 10 to 15 knots. seas
3 to 4 feet, occasionally to 5 feet. intracoastal waters a
moderate chop.
$$
(6/6)
Latest Coastal Waters Forecast by KJAX
Issued 4/12/2026 8:37 AM America/New_York.
Valid through 4/12/2026 11:45 PM America/New_York.
fzus52 kjax 121237
cwfjax
expires:202604130345;;243075
coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
837 am edt sun apr 12 2026
atlantic coastal waters from altamaha sound ga to flagler beach
fl out to 60 nm.
seas are provided as a range of the average height of the highest
1/3 of the waves, along with the occasional height of the average
highest 1/10 of the waves.
amz470-472-474-130345-
waters from altamaha sound ga to fernandina beach fl from 20 to
60 nm-
waters from fernandina beach to st. augustine fl from 20 to 60 nm-
waters from st. augustine to flagler beach fl from 20 to 60 nm-
837 am edt sun apr 12 2026
.rest of today...east winds 10 to 15 knots. seas 4 to 5 feet,
occasionally to 6 feet. wave detail: east 5 feet at 11 seconds
and southeast 2 feet at 5 seconds.
.tonight...east winds 10 to 15 knots. seas 4 to 5 feet,
occasionally to 6 feet. wave detail: east 5 feet at 10 seconds
and southeast 2 feet at 6 seconds.
.monday...southeast winds 10 to 15 knots, becoming east 5 to
10 knots in the afternoon. seas 4 to 5 feet, occasionally to
6 feet. wave detail: east 5 feet at 10 seconds and southeast
2 feet at 6 seconds.
.monday night...southeast winds 5 to 10 knots. seas around
4 feet, occasionally to 5 feet. wave detail: east 4 feet at
10 seconds.
.tuesday...southeast winds 5 to 10 knots. seas around 4 feet,
occasionally to 5 feet. wave detail: east 4 feet at 9 seconds.
.tuesday night...south winds 5 to 10 knots. seas around 4 feet,
occasionally to 5 feet. wave detail: east 4 feet at 9 seconds.
.wednesday through thursday...south winds 10 to 15 knots. seas
3 to 5 feet, occasionally to 6 feet.
$$
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