490
FZUS52 KCHS 220458
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1158 PM EST Thu Nov 21 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

AMZ300-221715-
1158 PM EST Thu Nov 21 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Canadian high pressure will build across the area tonight and
will remain the primary feature through early next week. A cold
front could approach the area towards the middle of next week.

$$

AMZ330-221715-
Charleston Harbor-
1158 PM EST Thu Nov 21 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.REST OF TONIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves
1 to 2 ft.
.FRI...W winds 15 to 20 kt with gusts to 25 kt. Waves 1 to 2 ft.
.FRI NIGHT...W winds 10 to 15 kt with gusts to 20 kt.
.SAT...W winds 10 to 15 kt.
.SAT NIGHT...W winds 5 to 10 kt.
.SUN...W winds 5 kt.
.SUN NIGHT...W winds 5 kt.
.MON...W winds 5 to 10 kt.
.MON NIGHT...SW winds 5 to 10 kt.
.TUE...SW winds 10 kt.
.TUE NIGHT...W winds 5 to 10 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 66 degrees.

$$

AMZ350-221715-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1158 PM EST Thu Nov 21 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING...

.REST OF TONIGHT...W winds 20 to 25 kt with gusts to 30 kt. Seas
4 to 5 ft. Wave Detail: W 5 ft at 10 seconds and NE 4 ft at
10 seconds.
.FRI...W winds 20 to 25 kt with gusts to 30 kt. Seas 4 to 5 ft.
Wave Detail: W 5 ft at 5 seconds and SE 1 foot at 10 seconds.
.FRI NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to
4 ft. Wave Detail: W 4 ft at 5 seconds and E 1 foot at 9 seconds.
.SAT...NW winds 15 to 20 kt with gusts to 25 kt, becoming W 10 kt
in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 3 ft at
4 seconds.
.SAT NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Wave
Detail: NW 1 foot at 4 seconds.
.SUN...W winds 5 to 10 kt. Seas 2 ft. Wave Detail: W 1 foot at
3 seconds and E 1 foot at 9 seconds.
.SUN NIGHT...W winds 5 to 10 kt. Seas 2 ft in the evening, then
1 foot or less.
.MON...W winds 10 to 15 kt. Seas 1 foot or less.
.MON NIGHT...SW winds 10 to 15 kt. Seas 2 ft.
.TUE...SW winds 10 to 15 kt. Seas 2 to 3 ft.
.TUE NIGHT...W winds 10 to 15 kt. Seas 2 ft.

$$

AMZ352-221715-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1158 PM EST Thu Nov 21 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING...

.REST OF TONIGHT...W winds 20 to 25 kt with gusts to 30 kt. Seas
3 to 4 ft. Wave Detail: W 4 ft at 10 seconds and E 4 ft at
10 seconds.
.FRI...NW winds 20 to 25 kt with gusts to 30 kt. Seas 4 to 5 ft,
subsiding to 3 to 4 ft in the afternoon. Wave Detail: W 5 ft at
5 seconds and E 1 foot at 10 seconds, becoming W 4 ft at
5 seconds and E 1 foot at 10 seconds.
.FRI NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to
4 ft. Wave Detail: W 4 ft at 4 seconds and E 1 foot at 8 seconds.
.SAT...NW winds 15 to 20 kt, becoming W 10 kt in the afternoon.
Seas 2 to 3 ft in the morning, then 1 foot or less. Wave Detail:
NW 3 ft at 4 seconds, becoming NW 1 foot at 4 seconds.
.SAT NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Wave
Detail: W 1 foot at 3 seconds.
.SUN...W winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: W
1 foot at 3 seconds.
.SUN NIGHT...W winds 5 to 10 kt. Seas 1 foot or less.
.MON...W winds 5 to 10 kt. Seas 1 foot or less.
.MON NIGHT...SW winds 10 to 15 kt. Seas 2 ft.
.TUE...SW winds 10 to 15 kt. Seas 2 ft.
.TUE NIGHT...W winds 10 kt. Seas 2 ft.

$$

AMZ354-221715-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1158 PM EST Thu Nov 21 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING...

.REST OF TONIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Seas
3 to 4 ft. Wave Detail: NW 4 ft at 11 seconds and NE 4 ft at
11 seconds.
.FRI...NW winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 4 seconds and
E 1 foot at 10 seconds.
.FRI NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Seas 2 to
3 ft. Wave Detail: NW 3 ft at 4 seconds and E 1 foot at
9 seconds.
.SAT...NW winds 15 to 20 kt, becoming W 10 kt in the afternoon.
Seas 2 to 3 ft in the morning, then 1 foot or less. Wave Detail:
NW 3 ft at 4 seconds, becoming W 1 foot at 3 seconds.
.SAT NIGHT...W winds 5 to 10 kt. Seas 1 foot or less. Wave
Detail: W 1 foot at 3 seconds and NE 1 foot at 5 seconds.
.SUN...W winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: W
1 foot at 2 seconds and E 1 foot at 9 seconds.
.SUN NIGHT...W winds 5 to 10 kt. Seas 1 foot or less.
.MON...W winds 5 to 10 kt. Seas 1 foot or less.
.MON NIGHT...SW winds 10 kt. Seas 1 foot or less.
.TUE...SW winds 10 kt. Seas 1 foot or less.
.TUE NIGHT...SW winds 10 kt. Seas 1 foot or less.

$$

AMZ374-221715-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1158 PM EST Thu Nov 21 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING...

.REST OF TONIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Seas
4 to 6 ft. Wave Detail: NW 6 ft at 10 seconds and NE 6 ft at
10 seconds.
.FRI...NW winds 20 to 25 kt with gusts to 30 kt. Seas 5 to 7 ft,
subsiding to 4 to 6 ft in the afternoon. Wave Detail: W 6 ft at
5 seconds and E 1 foot at 10 seconds, becoming W 6 ft at
5 seconds and E 1 foot at 9 seconds.
.FRI NIGHT...NW winds 20 to 25 kt. Seas 4 to 5 ft. Wave Detail:
NW 5 ft at 5 seconds and E 1 foot at 9 seconds.
.SAT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 3 to 4 ft, subsiding to 2 ft in the afternoon.
Wave Detail: NW 4 ft at 5 seconds and E 1 foot at 9 seconds,
becoming NW 2 ft at 5 seconds and NE 1 foot at 10 seconds.
.SAT NIGHT...W winds 10 kt. Seas 2 ft in the evening, then 1 foot
or less. Wave Detail: NW 2 ft at 4 seconds and NE 1 foot at
9 seconds, becoming W 1 foot at 3 seconds and NE 1 foot at
9 seconds.
.SUN...W winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: W
1 foot at 3 seconds and E 1 foot at 12 seconds.
.SUN NIGHT...W winds 5 to 10 kt. Seas 1 foot or less.
.MON...W winds 5 to 10 kt. Seas 1 foot or less.
.MON NIGHT...SW winds 10 to 15 kt. Seas 2 ft.
.TUE...SW winds 10 to 15 kt. Seas 2 ft.
.TUE NIGHT...SW winds 10 kt. Seas 1 foot or less.

$$