418
FZUS52 KCHS 140516
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
Issued by National Weather Service Columbia SC
116 AM EDT Wed May 14 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

AMZ300-141815-
116 AM EDT Wed May 14 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Broad low pressure will drift north away from the region through
Wednesday. A ridge of high pressure will generally remain across
the area through the weekend, providing dry and hot conditions.

$$

AMZ330-141815-
Charleston Harbor-
116 AM EDT Wed May 14 2025

.REST OF TONIGHT...SW winds 5 to 10 kt. A slight chance of
showers and tstms.
.WED...SW winds 5 to 10 kt. A chance of showers and tstms in the
afternoon.
.WED NIGHT...SW winds 5 to 10 kt. A chance of showers. A chance
of tstms, mainly in the evening.
.THU...SW winds 10 kt. A chance of showers in the morning.
.THU NIGHT...SW winds 5 to 10 kt.
.FRI...SW winds 5 to 10 kt.
.FRI NIGHT...SW winds 5 to 10 kt.
.SAT...SW winds 10 kt.
.SAT NIGHT...SW winds 5 to 10 kt.
.SUN...SW winds 5 to 10 kt.
.SUN NIGHT...SW 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 75 degrees.

$$

AMZ350-141815-
Waters from South Santee River to Edisto Beach SC out 20 NM-
116 AM EDT Wed May 14 2025

.REST OF TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave
Detail: S 4 ft at 6 seconds. A slight chance of showers and
tstms.
.WED...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft
at 7 seconds and SW 3 ft at 4 seconds. A slight chance of showers
and tstms.
.WED NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail:
SE 3 ft at 7 seconds and SW 2 ft at 4 seconds. A slight chance of
tstms. A slight chance of showers in the evening, then a chance
of showers after midnight.
.THU...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft
at 6 seconds. A chance of showers in the morning.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S
3 ft at 6 seconds.
.FRI...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: SW 2 ft at
4 seconds and SE 2 ft at 7 seconds.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 3 ft.
.SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight
chance of showers.
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers.

Winds and seas higher in and near tstms.

$$

AMZ352-141815-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
116 AM EDT Wed May 14 2025

.REST OF TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave
Detail: SE 3 ft at 7 seconds and SW 2 ft at 4 seconds. A slight
chance of showers and tstms.
.WED...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft
at 7 seconds and W 2 ft at 4 seconds.
.WED NIGHT...S winds 10 kt. Seas 3 ft. Wave Detail: SW 3 ft at
4 seconds and SE 2 ft at 7 seconds. A slight chance of showers
and tstms.
.THU...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 2 ft at
5 seconds. A chance of showers in the morning.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 2 ft
at 4 seconds and SE 2 ft at 8 seconds.
.FRI...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at
4 seconds and SE 2 ft at 7 seconds.
.FRI NIGHT...SW winds 10 kt. Seas 2 to 3 ft.
.SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight
chance of showers.
.SUN...SW winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 ft.

Winds and seas higher in and near tstms.

$$

AMZ354-141815-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
116 AM EDT Wed May 14 2025

.REST OF TONIGHT...SW winds 10 to 15 kt. Seas 3 ft. Wave Detail:
SE 3 ft at 7 seconds and SW 2 ft at 4 seconds.
.WED...W winds 10 to 15 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at
7 seconds.
.WED NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft
at 4 seconds and SE 2 ft at 7 seconds. A slight chance of tstms
in the evening. A slight chance of showers.
.THU...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 4 seconds and SE 2 ft at 7 seconds.
.THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 4 seconds and SE 2 ft at 8 seconds.
.FRI...W winds 10 kt, becoming S in the afternoon. Seas 2 to
3 ft. Wave Detail: W 2 ft at 4 seconds and SE 2 ft at 7 seconds.
.FRI NIGHT...SW winds 10 kt. Seas 2 to 3 ft.
.SAT...SW winds 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...SW winds 10 kt. Seas 2 ft.
.SUN...SW winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...SW winds 10 kt. Seas 2 ft.

Winds and seas higher in and near tstms.

$$

AMZ374-141815-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
116 AM EDT Wed May 14 2025

.REST OF TONIGHT...SW winds 10 to 15 kt. Seas 4 ft. Wave Detail:
SE 4 ft at 7 seconds and SW 2 ft at 5 seconds.
.WED...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft
at 8 seconds and W 2 ft at 4 seconds.
.WED NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW
3 ft at 4 seconds and SE 3 ft at 7 seconds. A slight chance of
showers and tstms.
.THU...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft
at 7 seconds and SW 2 ft at 4 seconds. A slight chance of showers
in the morning.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S
2 ft at 4 seconds and E 2 ft at 8 seconds.
.FRI...SW winds 10 kt. Seas 3 to 4 ft. Wave Detail: SW 2 ft at
4 seconds and SE 2 ft at 8 seconds.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 3 ft.
.SAT...SW winds 10 to 15 kt. Seas 3 ft.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight
chance of showers.
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$