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(1/6)
Latest Coastal Waters Forecast by KCHS
Issued 4/6/2026 5:39 PM America/New_York.
Valid through 4/7/2026 7:00 AM America/New_York.
fzus52 kchs 062139
cwfchs
expires:202604071100;;945055
coastal waters forecast
national weather service charleston sc
539 pm edt mon apr 6 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
amz350-071100-
waters from south santee river to edisto beach sc out 20 nm-
539 pm edt mon apr 6 2026
...small craft advisory in effect through tuesday evening...
...gale warning in effect from late tuesday night through late
wednesday night...
.tonight...ne winds 15 to 20 kt, diminishing to 10 to 15 kt late
this evening, then increasing to 15 to 20 kt late. seas 4 to
5 ft. wave detail: e 4 ft at 7 seconds and se 3 ft at 9 seconds.
.tue...ne winds 15 to 20 kt, increasing to 20 to 25 kt in the
afternoon. seas 4 to 6 ft. wave detail: e 5 ft at 8 seconds and
ne 4 ft at 5 seconds.
.tue night...ne winds 20 to 25 kt with gusts to 30 kt, increasing
to 25 to 30 kt with gusts to 40 kt after midnight. seas 5 to
7 ft, building to 7 to 9 ft after midnight. wave detail: e 6 ft
at 8 seconds, becoming e 8 ft at 8 seconds.
.wed...ne winds 30 to 35 kt with gusts to 45 kt. seas 9 to 11 ft,
building to 10 to 13 ft in the afternoon. wave detail: e 10 ft at
8 seconds, becoming e 10 ft at 9 seconds. a slight chance of
showers in the afternoon.
.wed night...ne winds 25 to 30 kt with gusts to 40 kt. seas 10 to
12 ft, subsiding to 9 to 12 ft after midnight. wave detail: e
10 ft at 10 seconds. a chance of showers.
.thu...ne winds 25 to 30 kt with gusts to 40 kt. seas 9 to 11 ft.
wave detail: e 10 ft at 10 seconds. a chance of showers.
.thu night...ne winds 20 to 25 kt. gusts to 35 kt in the evening.
seas 8 to 10 ft, subsiding to 7 to 9 ft after midnight. a chance
of showers, mainly in the evening.
.fri...ne winds 20 to 25 kt. seas 6 to 8 ft. a slight chance of
showers.
.fri night...ne winds 10 to 15 kt. seas 5 to 7 ft.
.sat...ne winds 10 to 15 kt. seas 4 to 5 ft.
.sat night...se winds 5 to 10 kt. seas 4 to 5 ft.
$$
(2/6)
Latest Coastal Waters Forecast by KCHS
Issued 4/6/2026 5:39 PM America/New_York.
Valid through 4/7/2026 7:00 AM America/New_York.
fzus52 kchs 062139
cwfchs
expires:202604071100;;945056
coastal waters forecast
national weather service charleston sc
539 pm edt mon apr 6 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
amz352-071100-
waters from edisto beach sc to savannah ga out 20 nm-
539 pm edt mon apr 6 2026
...small craft advisory in effect through tuesday evening...
...gale warning in effect from late tuesday night through late
wednesday night...
.tonight...ne winds 15 to 20 kt with gusts to 25 kt. seas 4 to
6 ft, subsiding to 4 to 5 ft after midnight. wave detail: e 5 ft
at 8 seconds, becoming e 4 ft at 8 seconds and se 2 ft at
9 seconds. a slight chance of showers late this evening.
.tue...ne winds 20 to 25 kt with gusts to 30 kt. seas 4 to 6 ft,
building to 5 to 7 ft in the afternoon. wave detail: e 5 ft at
8 seconds and se 3 ft at 9 seconds, becoming e 6 ft at 9 seconds.
.tue night...ne winds 20 to 25 kt with gusts to 30 kt, increasing
to 25 to 30 kt with gusts to 40 kt after midnight. seas 6 to
8 ft, building to 7 to 9 ft after midnight. wave detail: e 7 ft
at 8 seconds, becoming e 8 ft at 8 seconds. a slight chance of
showers after midnight.
.wed...ne winds 30 kt with gusts to 45 kt. seas 9 to 11 ft,
building to 10 to 13 ft in the afternoon. wave detail: e 10 ft at
8 seconds, becoming e 11 ft at 9 seconds. a slight chance of
showers.
.wed night...ne winds 25 to 30 kt with gusts to 40 kt. seas 10 to
13 ft, subsiding to 9 to 13 ft after midnight. wave detail: e
11 ft at 10 seconds. a chance of showers.
.thu...ne winds 25 to 30 kt with gusts to 40 kt. seas 9 to 12 ft,
subsiding to 9 to 11 ft in the afternoon. wave detail: e 10 ft at
10 seconds. a chance of showers.
.thu night...ne winds 20 to 25 kt. gusts to 35 kt in the evening.
seas 9 to 11 ft, subsiding to 8 to 10 ft after midnight. a chance
of showers, mainly in the evening.
.fri...ne winds 20 to 25 kt. seas 7 to 9 ft.
.fri night...ne winds 10 to 15 kt. seas 5 to 7 ft.
.sat...ne winds 10 to 15 kt. seas 4 to 5 ft.
.sat night...se winds 5 to 10 kt. seas 3 to 4 ft.
$$
(3/6)
Latest Coastal Waters Forecast by KCHS
Issued 4/6/2026 5:39 PM America/New_York.
Valid through 4/7/2026 7:00 AM America/New_York.
fzus52 kchs 062139
cwfchs
expires:202604071100;;945057
coastal waters forecast
national weather service charleston sc
539 pm edt mon apr 6 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
amz354-071100-
waters from savannah ga to altamaha sound ga out 20 nm, including
grays reef national marine sanctuary-
539 pm edt mon apr 6 2026
...small craft advisory in effect through tuesday evening...
...gale warning in effect from late tuesday night through late
wednesday night...
.tonight...ne winds 15 to 20 kt with gusts to 25 kt. seas 5 to
6 ft. wave detail: e 5 ft at 7 seconds and se 2 ft at 9 seconds.
a slight chance of showers late this evening. a chance of showers
after midnight.
.tue...ne winds 20 to 25 kt with gusts to 30 kt. seas 5 to 7 ft,
building to 6 to 8 ft in the afternoon. wave detail: ne 5 ft at
7 seconds and se 2 ft at 9 seconds, becoming e 6 ft at 8 seconds
and se 2 ft at 9 seconds. a chance of showers, mainly in the
morning.
.tue night...ne winds 25 to 30 kt. seas 7 to 9 ft, building to
8 to 10 ft after midnight. wave detail: e 7 ft at 8 seconds,
becoming e 8 ft at 8 seconds. a slight chance of showers.
.wed...ne winds 30 kt with gusts to 40 kt. seas 9 to 11 ft,
building to 10 to 13 ft in the afternoon. wave detail: e 10 ft at
8 seconds, becoming e 11 ft at 9 seconds. a chance of showers.
.wed night...ne winds 25 to 30 kt with gusts to 40 kt. seas 10 to
14 ft, subsiding to 10 to 13 ft after midnight. wave detail: e
12 ft at 10 seconds, becoming e 11 ft at 11 seconds. a chance of
showers.
.thu...ne winds 25 to 30 kt. seas 9 to 12 ft. wave detail: e
10 ft at 11 seconds. a chance of showers.
.thu night...ne winds 20 to 25 kt. gusts to 35 kt in the evening.
seas 9 to 11 ft, subsiding to 8 to 10 ft after midnight. a chance
of showers, mainly in the evening.
.fri...ne winds 15 to 20 kt. seas 7 to 9 ft. a slight chance of
showers.
.fri night...ne winds 10 to 15 kt. seas 5 to 7 ft.
.sat...ne winds 10 to 15 kt. seas 4 to 6 ft.
.sat night...se winds 5 to 10 kt. seas 4 to 5 ft.
$$
(4/6)
Latest Coastal Waters Forecast by KCHS
Issued 4/6/2026 5:39 PM America/New_York.
Valid through 4/7/2026 7:00 AM America/New_York.
fzus52 kchs 062139
cwfchs
expires:202604071100;;945058
coastal waters forecast
national weather service charleston sc
539 pm edt mon apr 6 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
amz374-071100-
waters from savannah ga to altamaha sound ga from 20 to 60 nm-
539 pm edt mon apr 6 2026
...small craft advisory in effect through tuesday afternoon...
...gale warning in effect from tuesday afternoon through late
wednesday night...
.tonight...ne winds 20 to 25 kt with gusts to 30 kt. seas 6 to
8 ft. wave detail: ne 6 ft at 7 seconds and se 3 ft at 9 seconds.
a slight chance of showers this evening. a chance of showers
after midnight, then showers likely late.
.tue...ne winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. seas 7 to 9 ft, building to 8 to 10 ft in the
afternoon. wave detail: ne 7 ft at 7 seconds and se 3 ft at
9 seconds, becoming ne 9 ft at 8 seconds and e 3 ft at 8 seconds.
a chance of showers.
.tue night...ne winds 25 to 30 kt with gusts to 40 kt. seas 9 to
12 ft, building to 10 to 13 ft after midnight. wave detail: ne
9 ft at 8 seconds, becoming e 10 ft at 8 seconds. a chance of
showers.
.wed...ne winds 30 to 35 kt with gusts to 45 kt. seas 12 to
16 ft, building to 13 to 17 ft in the afternoon. wave detail: e
13 ft at 9 seconds, becoming e 14 ft at 10 seconds. a chance of
showers. a slight chance of tstms in the afternoon.
.wed night...ne winds 25 to 30 kt with gusts to 40 kt. seas 14 to
17 ft, subsiding to 13 to 16 ft after midnight. wave detail: e
14 ft at 10 seconds, becoming e 14 ft at 11 seconds. a chance of
showers.
.thu...ne winds 25 to 30 kt. seas 13 to 14 ft, subsiding to 12 to
14 ft in the afternoon. wave detail: e 13 ft at 11 seconds,
becoming e 12 ft at 11 seconds. a chance of showers.
.thu night...ne winds 25 to 30 kt, diminishing to 20 to 25 kt
after midnight. seas 11 to 14 ft, subsiding to 10 to 13 ft after
midnight. a chance of showers with a slight chance of tstms.
.fri...ne winds 20 to 25 kt. seas 9 to 11 ft. a slight chance of
showers.
.fri night...ne winds 15 to 20 kt. seas 7 to 9 ft.
.sat...ne winds 10 to 15 kt. seas 5 to 7 ft.
.sat night...e winds 5 to 10 kt. seas 5 to 7 ft.
winds and seas higher in and near tstms.
$$
(5/6)
Latest Coastal Waters Forecast by KJAX
Issued 4/6/2026 2:26 PM America/New_York.
Valid through 4/7/2026 5:00 AM America/New_York.
fzus52 kjax 061826
cwfjax
expires:202604070900;;935607
coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
226 pm edt mon apr 6 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.
amz450-452-454-070900-
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-
226 pm edt mon apr 6 2026
...small craft advisory in effect through tuesday morning...
...gale warning in effect from tuesday afternoon through late
wednesday night...
.rest of today...northeast winds 20 to 25 knots. seas 5 to
7 feet, occasionally to 9 feet. wave detail: northeast 6 feet at
6 seconds and east 3 feet at 9 seconds. intracoastal waters
rough. showers likely with a slight chance of thunderstorms.
.tonight...northeast winds 20 to 25 knots, increasing to 25 to
30 knots after midnight. seas 6 to 9 feet, occasionally to
11 feet. wave detail: northeast 9 feet at 7 seconds and east
5 feet at 9 seconds. intracoastal waters very rough. a chance of
thunderstorms. a chance of showers in the evening, then showers
after midnight.
.tuesday...northeast winds 25 to 35 knots. seas 9 to 12 feet,
occasionally to 15 feet. wave detail: northeast 12 feet at
8 seconds. intracoastal waters extremely rough. showers likely
with a chance of thunderstorms in the morning, then a chance of
showers with a slight chance of thunderstorms in the afternoon.
.tuesday night...northeast winds 25 to 35 knots. seas 10 to
14 feet, occasionally to 18 feet. wave detail: east 14 feet at
9 seconds. intracoastal waters extremely rough. a slight chance
of thunderstorms. a chance of showers in the evening, then
showers likely after midnight.
.wednesday...northeast winds 25 to 35 knots. seas 11 to 15 feet,
occasionally to 19 feet. wave detail: east 14 feet at 10 seconds.
intracoastal waters extremely rough. showers with a slight chance
of thunderstorms in the morning, then showers likely with a
chance of thunderstorms in the afternoon.
.wednesday night...northeast winds 25 to 35 knots. seas 12 to
16 feet, occasionally to 20 feet. wave detail: east 15 feet at
10 seconds. intracoastal waters extremely rough. a slight chance
of thunderstorms. showers likely, mainly in the evening.
.thursday...northeast winds 25 to 30 knots. seas 10 to 14 feet,
occasionally to 18 feet, subsiding to 9 to 12 feet, occasionally
to 15 feet. intracoastal waters very rough. showers likely with a
slight chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon. a chance of showers. a slight
chance of thunderstorms in the evening.
.friday...northeast winds 20 to 25 knots, diminishing to 10 to
15 knots. seas 6 to 9 feet, occasionally to 11 feet, subsiding to
5 to 7 feet, occasionally to 9 feet after midnight. intracoastal
waters rough. a slight chance of showers in the morning, then a
slight chance of showers and thunderstorms in the afternoon.
winds and waves higher in and near thunderstorms.
$$
(6/6)
Latest Coastal Waters Forecast by KJAX
Issued 4/6/2026 2:26 PM America/New_York.
Valid through 4/7/2026 5:00 AM America/New_York.
fzus52 kjax 061826
cwfjax
expires:202604070900;;935608
coastal waters forecast for northeast florida/southeast georgia
national weather service jacksonville fl
226 pm edt mon apr 6 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.
amz470-472-474-070900-
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-
226 pm edt mon apr 6 2026
...small craft advisory in effect through tuesday morning...
...gale warning in effect from tuesday afternoon through late
wednesday night...
.rest of today...northeast winds 20 to 25 knots. seas 5 to
8 feet, occasionally to 10 feet. wave detail: northeast 7 feet at
6 seconds and east 4 feet at 9 seconds. showers likely with a
chance of thunderstorms.
.tonight...northeast winds 20 to 25 knots, increasing to 25 to
30 knots after midnight. seas 7 to 8 feet, occasionally to
10 feet, building to 7 to 10 feet, occasionally to 13 feet after
midnight. wave detail: northeast 8 feet at 7 seconds and east
4 feet at 9 seconds, becoming northeast 9 feet at 7 seconds and
east 8 feet at 9 seconds. showers likely with a chance of
thunderstorms in the evening, then showers with thunderstorms
likely after midnight.
.tuesday...northeast winds 25 to 30 knots with gusts up to
40 knots. seas 9 to 13 feet, occasionally to 17 feet. wave
detail: northeast 13 feet at 8 seconds. showers with a chance of
thunderstorms in the morning, then a chance of showers with a
slight chance of thunderstorms in the afternoon.
.tuesday night...northeast winds around 30 knots with gusts up to
40 knots. seas 11 to 15 feet, occasionally to 19 feet. wave
detail: northeast 14 feet at 9 seconds. showers likely with a
slight chance of thunderstorms.
.wednesday...northeast winds 30 to 35 knots. seas 13 to 16 feet,
occasionally to 20 feet. wave detail: east 16 feet at 10 seconds.
showers. a slight chance of thunderstorms in the morning, then a
chance of thunderstorms in the afternoon.
.wednesday night...northeast winds 30 to 35 knots. seas 13 to
16 feet, occasionally to 20 feet. wave detail: east 16 feet at
10 seconds. showers likely with a slight chance of thunderstorms.
.thursday...northeast winds 25 to 30 knots, diminishing to 20 to
25 knots. seas 11 to 14 feet, occasionally to 18 feet, subsiding
to 9 to 12 feet, occasionally to 15 feet after midnight. a slight
chance of thunderstorms in the morning. showers likely through
the day. a chance of thunderstorms in the afternoon, then a
slight chance of thunderstorms in the evening. a chance of
showers through the night.
.friday...northeast winds 20 to 25 knots, diminishing to 15 to
20 knots. seas 7 to 10 feet, occasionally to 13 feet, subsiding
to 6 to 8 feet, occasionally to 10 feet after midnight. a chance
of showers through the day. a slight chance of thunderstorms in
the afternoon, then a slight chance of showers through the night.
winds and seas higher in and near thunderstorms.
$$
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