899
FZUS52 KCHS 231023
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
623 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

AMZ300-232315-
623 AM EDT Thu May 23 2024

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

$$

AMZ330-232315-
Charleston Harbor-
623 AM EDT Thu May 23 2024

.TODAY...SW winds 5 to 10 kt backing S 10 to 15 kt.
.TONIGHT...SW winds 5 to 10 kt.
.FRI...SW winds 5 to 10 kt, becoming S 10 to 15 kt in the
afternoon. A slight chance of showers and tstms in the morning,
then a chance of showers and tstms in the afternoon.
.FRI NIGHT...S winds 5 to 10 kt. A slight chance of showers and
tstms.
.SAT...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
to 20 kt in the afternoon. A slight chance of showers and tstms
in the morning, then a chance of showers and tstms in the
afternoon.
.SAT NIGHT...SW winds 10 to 15 kt, diminishing to 5 kt after
midnight. A chance of showers and tstms, mainly in the evening.
.SUN...SW winds 5 to 10 kt. A slight chance of showers and tstms.
.SUN NIGHT...S winds 10 kt.
.MON...SW winds 10 to 15 kt. A slight chance of showers and
tstms.
.MON NIGHT...SW winds 10 to 15 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.

$$

AMZ350-232315-
Waters from South Santee River to Edisto Beach SC out 20 NM-
623 AM EDT Thu May 23 2024

.TODAY...S winds 5 to 10 kt veering SW 10 to 15 kt. Seas 2 ft.
Wave Detail: SE 2 ft at 9 seconds.
.TONIGHT...SW winds 10 kt. Seas 2 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 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 ft. Wave Detail: S 2 ft
at 4 seconds and SE 1 foot at 5 seconds. A slight chance of
showers and tstms in the evening, then a 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 chance of showers and
tstms, mainly in the morning.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 5 seconds and SE 1 foot at 9 seconds. 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 2 to 3 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.

$$

AMZ352-232315-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
623 AM EDT Thu May 23 2024

.TODAY...S winds 5 to 10 kt increasing to 10 to 15 kt in the
afternoon. Seas 2 ft. Wave Detail: E 2 ft at 9 seconds.
.TONIGHT...S winds 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
9 seconds and S 1 foot at 3 seconds.
.FRI...SW winds 10 kt. Seas 2 ft. Wave Detail: S 1 foot at
3 seconds and SE 1 foot at 9 seconds.
.FRI NIGHT...S winds 10 to 15 kt. Seas 2 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 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.
.SAT NIGHT...SW winds 10 to 15 kt. Seas 2 ft. Wave Detail: S 2 ft
at 4 seconds and E 1 foot at 7 seconds. 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 2 to 3 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.

$$

AMZ354-232315-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
623 AM EDT Thu May 23 2024

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

Winds and seas higher in and near tstms.

$$

AMZ374-232315-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
623 AM EDT Thu May 23 2024

.TODAY...S winds 5 to 10 kt, veering SW 10 to 15 kt. Seas 2 ft.
Wave Detail: E 2 ft at 8 seconds and SE 1 foot at 10 seconds.
.TONIGHT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
9 seconds and S 1 foot at 3 seconds.
.FRI...S winds 10 kt. Seas 2 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 to 15 kt, diminishing to 5 to 10 kt in the
afternoon. 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...S winds 10 to 15 kt. Seas 2 ft. Wave Detail: S 2 ft
at 4 seconds and SE 1 foot at 8 seconds. A slight chance of
showers and tstms.
.SUN...SW winds 10 to 15 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.
.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.

$$