010
FZUS52 KCHS 182202
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
602 PM 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

AMZ300-191030-
602 PM EDT Wed Sep 18 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Weak high pressure will develop over the region on Thursday. The
area of high pressure is expected to gradually strengthen through
early next week.

$$

AMZ330-191030-
Charleston Harbor-
602 PM EDT Wed Sep 18 2024

.TONIGHT...SE winds 5 kt, becoming variable less than 5 kt.. A
chance of showers early this evening, then a slight chance of
showers late this evening.
.THU...N winds 5 kt, becoming E in the afternoon. A chance of
showers with a slight chance of tstms in the afternoon.
.THU NIGHT...E winds 5 kt, becoming N after midnight. A slight
chance of showers and tstms in the evening.
.FRI...NE winds 5 to 10 kt. A slight chance of showers and tstms
in the afternoon.
.FRI NIGHT...NE winds 5 to 10 kt.
.SAT...NE winds 5 to 10 kt.
.SAT NIGHT...E winds 5 to 10 kt.
.SUN...NE winds 5 to 10 kt.
.SUN NIGHT...SE winds 5 to 10 kt.
.MON...NE winds 10 kt.
.MON NIGHT...NE winds 10 kt.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 78 degrees.

$$

AMZ350-191030-
Waters from South Santee River to Edisto Beach SC out 20 NM-
602 PM EDT Wed Sep 18 2024

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

Winds and seas higher in and near tstms.

$$

AMZ352-191030-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
602 PM EDT Wed Sep 18 2024

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

Winds and seas higher in and near tstms.

$$

AMZ354-191030-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
602 PM EDT Wed Sep 18 2024

.TONIGHT...S winds 5 kt, becoming W after midnight. Seas 1 to
2 ft. Wave Detail: E 2 ft at 9 seconds. A chance of showers early
this evening, then a slight chance of showers late this 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 ft. Wave Detail: E 2 ft at 11 seconds.
.FRI...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and NE 2 ft at
4 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. Wave Detail: NE 3 ft
at 5 seconds and E 2 ft at 10 seconds.
.SAT NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...NE winds 10 kt. Seas 2 to 3 ft.
.SUN NIGHT...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.MON...NE winds 10 to 15 kt. Seas 2 to 3 ft.
.MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.

$$

AMZ374-191030-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
602 PM EDT Wed Sep 18 2024

.TONIGHT...S winds 5 kt, becoming W after midnight. Seas 3 to
4 ft. Wave Detail: E 4 ft at 9 seconds. A chance of showers early
this evening, then a slight chance of showers late this evening.
.THU...NW winds 5 to 10 kt, becoming N in the afternoon. Seas
3 to 4 ft. Wave Detail: E 4 ft at 10 seconds.
.THU NIGHT...NE winds 5 kt, becoming NW after midnight. Seas 2 to
3 ft. Wave Detail: E 3 ft at 11 seconds.
.FRI...N winds 10 kt. Seas 3 to 4 ft. Wave Detail: E 3 ft at
10 seconds and N 2 ft at 3 seconds.
.FRI NIGHT...NE winds 10 kt. Seas 3 ft. Wave Detail: NE 3 ft at
4 seconds and E 3 ft at 10 seconds.
.SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft, building to 4 to
5 ft in the afternoon. Wave Detail: NE 3 ft at 5 seconds and E
3 ft at 10 seconds, becoming NE 4 ft at 5 seconds and E 2 ft at
9 seconds.
.SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.
.SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN NIGHT...E winds 10 kt. Seas 3 to 4 ft.
.MON...NE winds 10 to 15 kt. Seas 4 to 5 ft.
.MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.

$$