116
FZUS52 KCHS 181012
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
612 AM EDT Wed Sep 18 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

AMZ300-182315-
612 AM EDT Wed Sep 18 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Low pressure across the Carolinas will weaken through mid week.
High pressure will then develop inland late this week, and
persist through the weekend.

$$

AMZ330-182315-
Charleston Harbor-
612 AM EDT Wed Sep 18 2024

.TODAY...S winds 5 to 10 kt, increasing to 10 to 15 kt late. A
chance of showers and tstms this afternoon.
.TONIGHT...SE winds 5 to 10 kt, becoming SW after midnight. A
slight chance of showers and tstms in the evening.
.THU...N winds 5 kt, becoming E in the afternoon. A slight chance
of showers in the morning, then a chance of showers with a slight
chance of tstms in the afternoon.
.THU NIGHT...NE winds 5 kt. A chance of showers with a slight
chance of tstms in the evening.
.FRI...NE winds 5 to 10 kt.
.FRI NIGHT...NE winds 5 to 10 kt.
.SAT...NE winds 10 to 15 kt.
.SAT NIGHT...NE winds 10 kt.
.SUN...NE winds 10 to 15 kt.
.SUN NIGHT...NE winds 10 to 15 kt.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 76 degrees.

$$

AMZ350-182315-
Waters from South Santee River to Edisto Beach SC out 20 NM-
612 AM EDT Wed Sep 18 2024

.TODAY...SW winds 5 to 10 kt, becoming SE late. Seas 2 to 3 ft.
Wave Detail: E 3 ft at 9 seconds and SW 1 foot at 3 seconds.
.TONIGHT...SE winds 5 to 10 kt, becoming SW after midnight. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and SW 1 foot at
3 seconds. A slight chance of showers and tstms after midnight.
.THU...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 11 seconds and SW 1 foot at
3 seconds. A chance of showers. A slight chance of tstms in the
afternoon.
.THU NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 11 seconds. A chance of showers with a slight chance of
tstms in the evening, then a slight chance of showers after
midnight.
.FRI...NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at
3 seconds and E 2 ft at 10 seconds. A slight chance of showers in
the morning.
.FRI NIGHT...NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft
at 4 seconds and E 2 ft at 10 seconds.
.SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 3 ft.
.SUN...NE winds 10 to 15 kt. Seas 3 ft.
.SUN NIGHT...NE winds 15 to 20 kt. Seas 3 ft.

Winds and seas higher in and near tstms.

$$

AMZ352-182315-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
612 AM EDT Wed Sep 18 2024

.TODAY...SW winds 5 to 10 kt, becoming S late. Seas 2 to 3 ft.
Wave Detail: E 3 ft at 9 seconds. A slight chance of showers and
tstms this afternoon.
.TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and SW 1 foot at
2 seconds. A slight chance of showers in the evening.
.THU...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds and SW 1 foot at
3 seconds. A slight chance of showers in the afternoon.
.THU NIGHT...NE winds 5 kt, becoming N after midnight. Seas 2 to
3 ft. Wave Detail: E 3 ft at 11 seconds. A slight chance of
showers in the evening.
.FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 10 seconds and NE 2 ft at 2 seconds.
.FRI NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE
2 ft at 4 seconds and E 2 ft at 10 seconds.
.SAT...NE winds 10 to 15 kt. Seas 2 to 3 ft.
.SAT NIGHT...NE winds 10 kt. Seas 3 ft.
.SUN...NE winds 10 to 15 kt. Seas 3 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 3 ft.

Winds and seas higher in and near tstms.

$$

AMZ354-182315-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
612 AM EDT Wed Sep 18 2024

.TODAY...SW winds 5 to 10 kt, becoming SE late. Seas 2 to 3 ft.
Wave Detail: E 3 ft at 9 seconds. A slight chance of showers
this morning. A chance of showers and tstms this afternoon.
.TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds. A chance of showers
and tstms in the evening.
.THU...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 9 seconds.
.THU NIGHT...SE winds 5 kt, becoming NW after midnight. Seas 2 to
3 ft. Wave Detail: E 3 ft at 11 seconds. A slight chance of
showers.
.FRI...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 10 seconds and NE 2 ft at 3 seconds.
.FRI NIGHT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 10 seconds and NE 2 ft at 4 seconds.
.SAT...NE winds 10 to 15 kt. Seas 3 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 3 ft.
.SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 3 ft.

Winds and seas higher in and near tstms.

$$

AMZ374-182315-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
612 AM EDT Wed Sep 18 2024

.TODAY...SW winds 10 to 15 kt, becoming SE late. Seas 3 to 4 ft.
Wave Detail: E 4 ft at 9 seconds. A slight chance of showers and
tstms this morning.
.TONIGHT...S winds 5 to 10 kt, becoming SW after midnight. Seas
3 to 4 ft. Wave Detail: E 4 ft at 9 seconds. A slight chance of
showers in the evening, then a chance of showers and tstms after
midnight.
.THU...NW winds 5 to 10 kt, becoming N in the afternoon. Seas
3 to 4 ft. Wave Detail: E 4 ft at 9 seconds. A slight chance of
showers in the morning.
.THU NIGHT...NE winds 5 kt, becoming N after midnight. Seas 3 ft.
Wave Detail: E 3 ft at 11 seconds. A slight chance of showers.
.FRI...N winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft
at 10 seconds and N 2 ft at 3 seconds. A slight chance of showers
and tstms.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
3 ft at 10 seconds and NE 2 ft at 4 seconds. A slight chance of
showers and tstms.
.SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft.
.SUN...NE winds 10 to 15 kt. Seas 4 to 5 ft.
.SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. A slight
chance of showers and tstms.

Winds and seas higher in and near tstms.

$$