Coastal Waters Forecast
Issued by NWS Charleston, SC

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FZUS52 KCHS 230422
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1222 AM EDT Thu May 23 2024

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

AMZ300-231730-
1222 AM EDT Thu May 23 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will persist into late week. Diurnal convection and
hot temperatures expected during the holiday weekend. A cold
front might bring impacts to our area on Tuesday.

$$

AMZ330-231730-
Charleston Harbor-
1222 AM EDT Thu May 23 2024

.REST OF TONIGHT...S winds 5 to 10 kt.
.THU...SW winds 5 to 10 kt.
.THU NIGHT...S winds 5 to 10 kt.
.FRI...SW winds 5 to 10 kt. A slight chance of showers and tstms.
.FRI NIGHT...SW winds 5 to 10 kt. A slight chance of showers and
tstms.
.SAT...SW winds 5 to 10 kt. A slight chance of showers and tstms.
.SAT NIGHT...SW winds 5 to 10 kt. A slight chance of showers and
tstms.
.SUN...SW winds 5 to 10 kt. A slight chance of showers and tstms.
.SUN NIGHT...S winds 5 to 10 kt.
.MON...SW winds 10 to 15 kt. A chance of showers and tstms.
.MON NIGHT...SW winds 10 kt. A chance of showers and tstms.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 76 degrees.

$$

AMZ350-231730-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1222 AM EDT Thu May 23 2024

.REST OF TONIGHT...SE winds 5 to 10 kt veering S. Seas 2 ft. Wave
Detail: E 2 ft at 9 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
9 seconds.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 9 seconds and S 1 foot at 3 seconds.
.FRI...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 4 seconds and SE 2 ft at 9 seconds.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 4 seconds and SE 1 foot at 5 seconds. A slight chance of
showers and tstms.
.SAT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 4 seconds and E 1 foot at 8 seconds. A slight chance of
showers and tstms.
.SAT NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Seas 2 to 3 ft. A slight chance of showers and
tstms.
.SUN...SW winds 5 to 10 kt. Seas 2 ft. A slight chance of showers
and tstms.
.SUN NIGHT...S winds 10 kt. Seas 3 to 4 ft. A slight chance of
showers and tstms.
.MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of
showers and tstms.
.MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-231730-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1222 AM EDT Thu May 23 2024

.REST OF TONIGHT...SE winds 5 to 10 kt, veering S. Seas 2 ft.
Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 10 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
9 seconds.
.THU NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 9 seconds and S 1 foot at 3 seconds.
.FRI...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 1 foot at
3 seconds and SE 1 foot at 9 seconds.
.FRI NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 4 seconds and E 1 foot at 9 seconds. A slight chance of
showers and tstms.
.SAT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
4 seconds and E 1 foot at 8 seconds. A slight chance of showers
and tstms in the morning.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 ft. A slight chance of
showers and tstms.
.SUN...SW winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...S winds 10 kt. Seas 3 to 4 ft.
.MON...SW winds 10 to 15 kt. Seas 3 ft. A slight chance of
showers and tstms.
.MON NIGHT...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers
and tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-231730-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1222 AM EDT Thu May 23 2024

.REST OF TONIGHT...SE winds 5 to 10 kt, veering S. Seas 2 ft.
Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 10 seconds.
.THU...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
7 seconds.
.THU NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 3 seconds.
.FRI...S winds 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 9 seconds
and S 1 foot at 4 seconds.
.FRI NIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 3 seconds and E 2 ft at 9 seconds.
.SAT...W winds 10 kt, becoming S in the afternoon. Seas 2 ft.
Wave Detail: S 2 ft at 4 seconds and SE 1 foot at 4 seconds.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 ft. A slight chance of
showers and tstms in the evening.
.SUN...SW winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...S winds 10 kt. Seas 2 to 3 ft.
.MON...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.
.MON NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight
chance of showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-231730-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1222 AM EDT Thu May 23 2024

.REST OF TONIGHT...SE winds 5 to 10 kt, veering S. Seas 2 ft.
Wave Detail: E 2 ft at 8 seconds and SE 1 foot at 10 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
8 seconds and SE 1 foot at 10 seconds.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 9 seconds and S 1 foot at 3 seconds.
.FRI...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at
9 seconds and S 1 foot at 3 seconds.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 3 seconds and E 2 ft at 8 seconds. A slight chance of
showers and tstms after midnight.
.SAT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at
4 seconds and E 1 foot at 8 seconds. A slight chance of showers
and tstms in the morning.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance
of showers and tstms.
.SUN...SW winds 5 to 10 kt. Seas 2 ft.
.SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft.
.MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of
showers and tstms.
.MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$