213
FZUS52 KCHS 142027
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
427 PM EDT Tue Oct 14 2025

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

AMZ300-150915-
427 PM EDT Tue Oct 14 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will extend into the region this week. A dry cold
front will drop south through the area Wednesday night. Another
cold front could impact the area late in the weekend.

$$

AMZ330-150915-
Charleston Harbor-
427 PM EDT Tue Oct 14 2025

.TONIGHT...N winds 10 kt.
.WED...N winds 10 kt.
.WED NIGHT...N winds 5 to 10 kt.
.THU...NE winds 10 kt.
.THU NIGHT...NE winds 5 to 10 kt.
.FRI...NE winds 5 to 10 kt.
.FRI NIGHT...E winds 5 kt.
.SAT...SE winds 5 kt.
.SAT NIGHT...S winds 5 kt.
.SUN...SW winds 10 to 15 kt.
.SUN NIGHT...SW winds 10 to 15 kt. A slight chance of showers.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 70 degrees.

$$

AMZ350-150915-
Waters from South Santee River to Edisto Beach SC out 20 NM-
427 PM EDT Tue Oct 14 2025

.TONIGHT...N winds 10 to 15 kt, increasing to 15 to 20 kt. Seas 2
to 4 ft, building to 3 to 5 ft. Wave Detail: NE 4 ft at 9
seconds, becoming NE 5 ft at 7 seconds.
.WED...N winds 15 to 20 kt, becoming NE 10 to 15 kt in the
afternoon. Seas 4 to 5 ft. Wave Detail: NE 5 ft at 7 seconds.
.WED NIGHT...N winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: E 4 ft at 9 seconds,
becoming E 4 ft at 10 seconds.
.THU...NE winds 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: NE 5 ft
at 7 seconds.
.THU NIGHT...NE winds 15 kt with gusts to 20 kt. Seas 4 to 5 ft.
Wave Detail: E 5 ft at 9 seconds.
.FRI...NE winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to 3 to
4 ft in the afternoon. Wave Detail: E 5 ft at 9 seconds, becoming
E 4 ft at 9 seconds.
.FRI NIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft, subsiding to
2 to 3 ft after midnight.
.SAT...E winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN NIGHT...SW winds 15 to 20 kt. Seas 4 to 5 ft. A slight
chance of showers.

$$

AMZ352-150915-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
427 PM EDT Tue Oct 14 2025

.TONIGHT...N winds 10 kt, becoming NE and increasing to 15 kt
with gusts to 20 kt. Seas 1 to 3 ft, building to 2 to 4 ft. Wave
Detail:
E 4 ft at 10 seconds.
.WED...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 4 to 5 ft. Wave Detail: NE 5 ft at 7 seconds.
.WED NIGHT...NE winds 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 8 seconds.
.THU...NE winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: E 4 ft at 9 seconds.
.THU NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft. Wave Detail: E 4 ft at 9 seconds.
.FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 9 seconds.
.FRI NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft.
.SAT...SE winds 5 kt. Seas 2 to 3 ft.
.SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...S winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN NIGHT...SW winds 15 kt. Seas 3 to 4 ft. A slight chance of
showers.

$$

AMZ354-150915-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
427 PM EDT Tue Oct 14 2025

.TONIGHT...N winds 5 to 10 kt, becoming NE and increasing to 15 kt
with gusts to 20 kt. Seas 1 to 3 ft, building to 2 to 4 ft. Wave
Detail: E 3 ft at 10 seconds, becoming NE 4 ft at 7 seconds.
.WED...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 4 to 5 ft. Wave Detail: NE 5 ft at 6 seconds.
.WED NIGHT...NE winds 10 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft
at 8 seconds.
.THU...NE winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: E 4 ft at 9 seconds.
.THU NIGHT...NE winds 15 kt. Seas 4 ft. Wave Detail: E 4 ft at
9 seconds.
.FRI...NE winds 10 to 15 kt. Seas 4 ft. Wave Detail: E 4 ft at
9 seconds.
.FRI NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft.
.SAT...E winds 5 to 10 kt. Seas 3 to 4 ft.
.SAT NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.
.SUN...S winds 10 to 15 kt. Seas 2 to 3 ft.
.SUN NIGHT...SW winds 15 kt. Seas 3 to 4 ft. A slight chance of
showers.

$$

AMZ374-150915-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
427 PM EDT Tue Oct 14 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT
THROUGH FRIDAY EVENING...

.TONIGHT...N winds 10 to 15 kt, becoming NE 15 to 20 kt. Seas 3 to
4 ft, building to 4 to 6 ft. Wave Detail: NE 5 ft at 9 seconds,
becoming NE 6 ft at 9 seconds.
.WED...NE winds 15 to 20 kt with gusts to 25 kt. Seas 5 to 7 ft.
Wave Detail: NE 6 ft at 8 seconds.
.WED NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Seas 4 to
6 ft. Wave Detail: NE 6 ft at 8 seconds.
.THU...NE winds 15 to 20 kt. Seas 4 to 6 ft, building to 5 to
6 ft in the afternoon. Wave Detail: NE 6 ft at 10 seconds.
.THU NIGHT...NE winds 15 kt with gusts to 20 kt. Seas 5 to 6 ft.
Wave Detail: NE 6 ft at 9 seconds.
.FRI...NE winds 10 to 15 kt. Seas 5 to 6 ft, subsiding to 4 to
6 ft in the afternoon. Wave Detail: E 6 ft at 10 seconds.
.FRI NIGHT...NE winds 10 to 15 kt, becoming E 5 to 10 kt after
midnight. Seas 4 to 5 ft.
.SAT...E winds 5 kt. Seas 4 to 5 ft.
.SAT NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft.
.SUN...S winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN NIGHT...SW winds 15 to 20 kt. Seas 4 to 5 ft. A slight
chance of showers.

$$