FZUS52 KCHS 142139
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
539 PM EDT Tue Apr 14 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

AMZ300-151100-
539 PM EDT Tue Apr 14 2026

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Atlantic high pressure will prevail through the weekend.

$$

AMZ330-151100-
Charleston Harbor-
539 PM EDT Tue Apr 14 2026

.TONIGHT...SW winds 5 to 10 kt. Patchy fog late.
.WED...SW winds 5 kt, becoming S in the afternoon. Patchy fog in
the morning.
.WED NIGHT...SW winds 5 to 10 kt.
.THU...SW winds 5 to 10 kt.
.THU NIGHT...S winds 5 to 10 kt.
.FRI...SW winds 5 kt, increasing to 10 kt in the afternoon.
.FRI NIGHT...SW winds 5 to 10 kt.
.SAT...SW winds 5 to 10 kt.
.SAT NIGHT...S winds 10 kt.
.SUN...SW winds 10 to 15 kt.
.SUN NIGHT...NW winds 10 to 15 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 69 degrees.

$$

AMZ350-151100-
Waters from South Santee River to Edisto Beach SC out 20 NM-
539 PM EDT Tue Apr 14 2026

.TONIGHT...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: SE 3 ft
at 10 seconds.
.WED...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 3 ft. Wave Detail: SE 3 ft at 9 seconds and S
2 ft at 3 seconds.
.WED NIGHT...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: E 3 ft
at 9 seconds and S 2 ft at 4 seconds.
.THU...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 2 ft at
4 seconds and E 2 ft at 9 seconds.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft
at 5 seconds and E 2 ft at 9 seconds.
.FRI...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft at
5 seconds and E 2 ft at 9 seconds.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 3 ft.
.SAT...SW winds 10 to 15 kt. Seas 3 ft.
.SAT NIGHT...S winds 15 kt. Seas 3 to 4 ft.
.SUN...SW winds 15 to 20 kt. Seas 3 to 4 ft.
.SUN NIGHT...NW winds 20 to 25 kt. Seas 4 to 5 ft. A slight
chance of showers.

$$

AMZ352-151100-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
539 PM EDT Tue Apr 14 2026

.TONIGHT...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. Wave Detail: E 3 ft at
10 seconds.
.WED NIGHT...S winds 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
9 seconds.
.THU...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: SE 3 ft at
9 seconds.
.THU NIGHT...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft
at 4 seconds and SE 3 ft at 9 seconds.
.FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 5 seconds and E 3 ft at 9 seconds.
.FRI NIGHT...S winds 10 to 15 kt. Seas 3 ft.
.SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT NIGHT...S winds 10 to 15 kt. Seas 3 ft.
.SUN...SW winds 15 kt. Seas 3 ft.
.SUN NIGHT...NW winds 20 to 25 kt. Seas 4 to 5 ft.

$$

AMZ354-151100-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
539 PM EDT Tue Apr 14 2026

.TONIGHT...S winds 10 kt, becoming SW late. Seas 3 ft. Wave
Detail: E 3 ft at 9 seconds.
.WED...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
3 ft. Wave Detail: E 3 ft at 9 seconds.
.WED NIGHT...S winds 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
9 seconds.
.THU...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: SE 3 ft at
9 seconds and S 1 foot at 4 seconds.
.THU NIGHT...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft
at 4 seconds and E 3 ft at 9 seconds.
.FRI...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds and
S 2 ft at 5 seconds.
.FRI NIGHT...S winds 10 to 15 kt. Seas 3 ft.
.SAT...S winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT NIGHT...S winds 10 to 15 kt. Seas 3 ft.
.SUN...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN NIGHT...NW winds 20 to 25 kt. Seas 4 to 5 ft.

$$

AMZ374-151100-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
539 PM EDT Tue Apr 14 2026

.TONIGHT...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. Wave Detail: E 4 ft
at 9 seconds.
.WED NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: E
4 ft at 9 seconds.
.THU...SW winds 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at
9 seconds.
.THU NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft. Wave Detail: S 3 ft at 4 seconds and SE 3 ft at 9 seconds.
.FRI...SW winds 10 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and
SE 3 ft at 9 seconds.
.FRI NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN NIGHT...NW winds 25 to 30 kt. Seas 4 to 6 ft. A slight
chance of showers.

$$