014
FZUS52 KCHS 041031
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
631 AM EDT Fri Apr 4 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

AMZ300-042315-
631 AM EDT Fri Apr 4 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Strong high pressure centered over the Atlantic will prevail into
this weekend. A cold front will push offshore Monday with high
pressure prevailing for much of next week.

$$

AMZ330-042315-
Charleston Harbor-
631 AM EDT Fri Apr 4 2025

.TODAY...S winds 10 kt, increasing to 10 to 15 kt with gusts to
20 kt.
.TONIGHT...S winds 10 to 15 kt.
.SAT...S winds 10 to 15 kt.
.SAT NIGHT...S winds 10 to 15 kt.
.SUN...S winds 15 kt with gusts to 20 kt.
.SUN NIGHT...S winds 15 kt with gusts to 20 kt. A slight chance
of showers after midnight.
.MON...SW winds 15 kt. Showers with a chance of tstms.
.MON NIGHT...W winds 10 kt. Showers with a slight chance of
tstms.
.TUE...N winds 10 kt.
.TUE NIGHT...NE winds 10 kt.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 68 degrees.

$$

AMZ350-042315-
Waters from South Santee River to Edisto Beach SC out 20 NM-
631 AM EDT Fri Apr 4 2025

.TODAY...S winds 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8
seconds.
.TONIGHT...S winds 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft at
8 seconds.
.SAT...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft
at 8 seconds.
.SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft, building to
4 to 5 ft after midnight. Wave Detail: SE 4 ft at 8 seconds,
becoming SE 5 ft at 8 seconds.
.SUN...SW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft.
Wave Detail: S 5 ft at 8 seconds.
.SUN NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Seas 5 to
6 ft, building to 5 to 7 ft after midnight. Wave Detail: S 6 ft
at 8 seconds. A slight chance of showers after midnight.
.MON...SW winds 15 to 20 kt. Seas 5 to 6 ft. Showers with a
chance of tstms.
.MON NIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft. Showers with a
slight chance of tstms.
.TUE...N winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...NE winds 15 to 20 kt. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.

$$

AMZ352-042315-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
631 AM EDT Fri Apr 4 2025

.TODAY...S winds 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8
seconds.
.TONIGHT...S winds 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at
8 seconds.
.SAT...S winds 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at
8 seconds.
.SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft, building to
4 to 5 ft after midnight. Wave Detail: SE 4 ft at 8 seconds,
becoming SE 5 ft at 8 seconds.
.SUN...S winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: SE 5 ft
at 8 seconds.
.SUN NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
6 ft. Wave Detail: SE 5 ft at 8 seconds. A slight chance of
showers after midnight.
.MON...SW winds 15 to 20 kt. Seas 4 to 6 ft. Showers with a
chance of tstms.
.MON NIGHT...W winds 10 to 15 kt. Seas 4 to 5 ft. Showers with a
slight chance of tstms.
.TUE...N winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...NE winds 15 to 20 kt. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.

$$

AMZ354-042315-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
631 AM EDT Fri Apr 4 2025

.TODAY...SE winds 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at
8 seconds.
.TONIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE
4 ft at 8 seconds.
.SAT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft
at 8 seconds.
.SAT NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft, building to 4 to 5 ft after midnight. Wave Detail: SE 4 ft
at 8 seconds, becoming SE 5 ft at 8 seconds.
.SUN...S winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: SE 5 ft
at 8 seconds.
.SUN NIGHT...S winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Seas 4 to 5 ft. Wave Detail: SE 5 ft at 9 seconds
and S 4 ft at 6 seconds. A slight chance of showers after
midnight.
.MON...SW winds 15 kt. Seas 4 to 5 ft. Showers with a chance of
tstms.
.MON NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. Showers with a
slight chance of tstms.
.TUE...N winds 10 to 15 kt. Seas 2 to 3 ft.
.TUE NIGHT...NE winds 15 to 20 kt. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.

$$

AMZ374-042315-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
631 AM EDT Fri Apr 4 2025

.TODAY...SE winds 10 kt. Seas 4 to 5 ft. Wave Detail: SE 4 ft at
8 seconds and E 2 ft at 7 seconds.
.TONIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: SE
4 ft at 8 seconds.
.SAT...S winds 10 kt. Seas 4 ft. Wave Detail: SE 4 ft at
8 seconds.
.SAT NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Seas 4 to
5 ft, building to 5 to 6 ft after midnight. Wave Detail: SE 5 ft
at 9 seconds, becoming SE 6 ft at 9 seconds.
.SUN...S winds 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: SE 6 ft
at 8 seconds.
.SUN NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Seas 5 to
6 ft. Wave Detail: SE 6 ft at 9 seconds and S 5 ft at 6 seconds.
.MON...SW winds 15 to 20 kt. Seas 5 to 6 ft. Showers likely with
a chance of tstms.
.MON NIGHT...W winds 15 to 20 kt. Seas 4 to 6 ft. Showers with a
slight chance of tstms.
.TUE...N winds 15 to 20 kt. Seas 4 to 5 ft. A slight chance of
showers.
.TUE NIGHT...NE winds 15 to 20 kt. Seas 4 to 5 ft.

Winds and seas higher in and near tstms.

$$