032
FZUS52 KCHS 072200
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
600 PM EDT Mon Apr 7 2025

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

AMZ300-081015-
600 PM EDT Mon Apr 7 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A cold front will impact the region through this evening,
followed by high pressure building into the region through the
middle of the week. Another cold front will move through late in
the week.

$$

AMZ330-081015-
Charleston Harbor-
600 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.TONIGHT...S winds 15 to 20 kt with gusts to 30 kt, becoming W 10
to 15 kt with gusts to 20 kt late this evening. Waves 1 to 2 ft.
Showers with a chance of tstms this evening, then a chance of
showers after midnight.
.TUE...N winds 10 kt.
.TUE NIGHT...NE winds 5 to 10 kt.
.WED...NE winds 10 to 15 kt with gusts to 20 kt.
.WED NIGHT...NE winds 5 to 10 kt.
.THU...E winds 5 kt, becoming SE in the afternoon.
.THU NIGHT...S winds 5 to 10 kt. A slight chance of showers after
midnight.
.FRI...SW winds 10 kt. A chance of showers.
.FRI NIGHT...W winds 5 to 10 kt. A slight chance of showers.
.SAT...NW winds 5 to 10 kt. A slight chance of showers.
.SAT NIGHT...NW winds 5 to 10 kt.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 71 degrees.

$$

AMZ350-081015-
Waters from South Santee River to Edisto Beach SC out 20 NM-
600 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...S winds 20 to 25 kt with gusts to 30 kt, becoming W 15
to 20 kt with gusts to 25 kt late this evening. Seas 5 to 7 ft,
subsiding to 4 to 6 ft after midnight. Wave Detail: S 7 ft at 7
seconds, becoming S 5 ft at 7 seconds. Showers this evening. A
chance of tstms. A chance of showers after midnight.
.TUE...NW winds 15 to 20 kt, becoming N 10 to 15 kt in the
afternoon. Seas 4 to 5 ft, subsiding to 3 to 4 ft in the
afternoon. Wave Detail: S 4 ft at 7 seconds and NW 2 ft at
3 seconds, becoming S 3 ft at 8 seconds and N 2 ft at 3 seconds.
.TUE NIGHT...NE winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas 2 to 3 ft, building to 3 to 4 ft after
midnight. Wave Detail: SE 3 ft at 8 seconds and NE 2 ft at
4 seconds, becoming NE 3 ft at 4 seconds and S 2 ft at 6 seconds.
.WED...NE winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft.
Wave Detail: E 4 ft at 6 seconds.
.WED NIGHT...NE winds 10 to 15 kt with gusts to 20 kt, becoming E
5 to 10 kt after midnight. Seas 4 to 5 ft, subsiding to 3 to 4 ft
after midnight. Wave Detail: E 4 ft at 7 seconds.
.THU...E winds 5 to 10 kt, becoming SE in the afternoon. Seas
3 to 4 ft. Wave Detail: E 4 ft at 8 seconds.
.THU NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft, building to
4 to 5 ft after midnight. A slight chance of showers after
midnight.
.FRI...SW winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers.
.FRI NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance
of showers.
.SAT...NW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of
showers.
.SAT NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. A slight
chance of showers.

Winds and seas higher in and near tstms.

$$

AMZ352-081015-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
600 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...

.TONIGHT...SW winds 20 to 25 kt with gusts to 30 kt, becoming W
15 to 20 kt with gusts to 25 kt late this evening. Seas 4 to
6 ft, subsiding to 4 to 5 ft after midnight. Wave Detail: S 6 ft
at 7 seconds, becoming S 5 ft at 7 seconds. Showers with a chance
of tstms this evening. A chance of showers after midnight.
.TUE...NW winds 15 to 20 kt, becoming NE 10 to 15 kt in the
afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the
afternoon. Wave Detail: SE 4 ft at 8 seconds and NW 2 ft at
4 seconds, becoming SE 3 ft at 8 seconds and N 2 ft at 4 seconds.
.TUE NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 3 seconds and SE 2 ft at 8 seconds.
.WED...NE winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft,
building to 4 to 5 ft in the afternoon. Wave Detail: NE 4 ft at
5 seconds and SE 2 ft at 8 seconds, becoming E 4 ft at 7 seconds
and E 1 foot at 12 seconds.
.WED NIGHT...NE winds 10 to 15 kt with gusts to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas 4 to 5 ft,
subsiding to 3 to 4 ft after midnight. Wave Detail: E 4 ft at
6 seconds and E 1 foot at 12 seconds, becoming E 4 ft at
8 seconds.
.THU...NE winds 5 to 10 kt, becoming SE in the afternoon. Seas
3 to 4 ft. Wave Detail: E 4 ft at 8 seconds.
.THU NIGHT...S winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 3 to 4 ft. A slight chance of showers after
midnight.
.FRI...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers.
.FRI NIGHT...W winds 10 kt. Seas 2 to 3 ft. A slight chance of
showers.
.SAT...NW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of
showers.
.SAT NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$

AMZ354-081015-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
600 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...

.TONIGHT...S winds 20 to 25 kt gusting to 30 kt, becoming W 10 to
15 kt late this evening. Seas 4 to 5 ft, subsiding to 3 to 4 ft
after midnight. Wave Detail: SE 5 ft at 7 seconds, becoming SE 4
ft at 7 seconds and W 2 ft at 3 seconds. Showers with a chance of
tstms this evening, then a chance of showers after midnight.
.TUE...NW winds 15 to 20 kt, becoming N 5 to 10 kt in the
afternoon. Seas 3 to 4 ft, subsiding to 2 ft in the afternoon.
Wave Detail: NW 3 ft at 3 seconds and SE 3 ft at 8 seconds,
becoming N 2 ft at 3 seconds and SE 2 ft at 8 seconds.
.TUE NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 2 ft. Wave Detail: NE 2 ft at 3 seconds and SE
2 ft at 8 seconds.
.WED...NE winds 15 to 20 kt. Seas 2 to 3 ft, building to 3 to
4 ft in the afternoon. Wave Detail: NE 3 ft at 4 seconds and SE
1 foot at 8 seconds, becoming NE 4 ft at 5 seconds and SE 1 foot
at 8 seconds.
.WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 7 seconds and E 1 foot at 13 seconds.
.THU...NE winds 5 to 10 kt, becoming E in the afternoon. Seas
3 to 4 ft. Wave Detail: E 4 ft at 8 seconds.
.THU NIGHT...S winds 10 kt. Seas 3 to 4 ft.
.FRI...SW winds 10 kt. Seas 3 to 4 ft. A chance of showers.
.FRI NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance
of showers.
.SAT...NW winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$

AMZ374-081015-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
600 PM EDT Mon Apr 7 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...S winds 20 to 25 kt, becoming W late this evening,
then becoming NW 15 to 20 kt late. Seas 5 to 7 ft, subsiding to
4 to 6 ft after midnight. Wave Detail: S 6 ft at 7 seconds,
becoming SE 5 ft at 7 seconds and W 4 ft at 4 seconds. A slight
chance of showers and tstms early this evening, then showers with
a chance of tstms late this evening. A slight chance of showers
late.
.TUE...NW winds 15 to 20 kt, becoming N 10 to 15 kt in the
afternoon. Seas 4 to 5 ft, subsiding to 3 to 4 ft in the
afternoon. Wave Detail: NW 4 ft at 5 seconds and SE 3 ft at
8 seconds, becoming NW 3 ft at 4 seconds and SE 3 ft at
8 seconds.
.TUE NIGHT...NE winds 5 to 10 kt, increasing to 10 to 15 kt with
gusts to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: N
3 ft at 4 seconds and SE 2 ft at 8 seconds.
.WED...NE winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft,
building to 4 to 6 ft in the afternoon. Wave Detail: NE 4 ft at
5 seconds and SE 2 ft at 8 seconds, becoming E 5 ft at 7 seconds
and E 1 foot at 13 seconds. A slight chance of showers in the
afternoon.
.WED NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 5 to 6 ft, subsiding to 4 to 6 ft after
midnight. Wave Detail: NE 5 ft at 6 seconds and E 1 foot at
12 seconds, becoming E 5 ft at 8 seconds and E 1 foot at
12 seconds. A slight chance of showers.
.THU...E winds 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: E 5 ft at
8 seconds.
.THU NIGHT...SE winds 5 to 10 kt, becoming S 10 to 15 kt after
midnight. Seas 4 to 5 ft. A slight chance of showers after
midnight.
.FRI...SW winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers.
.FRI NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers.
.SAT...NW winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$