Coastal Waters Forecast
Issued by NWS Charleston, SC

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FZUS52 KCHS 212015
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
315 PM EST Fri Feb 21 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

AMZ300-220915-
315 PM EST Fri Feb 21 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Cold high pressure will build into the region through Saturday. A
weak disturbance will pass to our south on Monday, followed by
high pressure through Wednesday. A cold front may move through on
Thursday.

$$

AMZ330-220915-
Charleston Harbor-
315 PM EST Fri Feb 21 2025

.TONIGHT...NE winds 5 kt.
.SAT...NE winds 5 to 10 kt, becoming E in the afternoon.
.SAT NIGHT...NE winds 5 kt, becoming N after midnight.
.SUN...N winds 5 kt, becoming W in the afternoon.
.SUN NIGHT...SW winds 5 kt, becoming NW after midnight.
.MON...NW winds 5 kt, becoming S in the afternoon.
.MON NIGHT...S winds 5 kt, becoming W after midnight.
.TUE...W winds 5 to 10 kt.
.TUE NIGHT...W winds 5 to 10 kt.
.WED...NE winds 5 to 10 kt.
.WED NIGHT...S winds 5 to 10 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 52 degrees.

$$

AMZ350-220915-
Waters from South Santee River to Edisto Beach SC out 20 NM-
315 PM EST Fri Feb 21 2025

.TONIGHT...NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft
at 8 seconds.
.SAT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft
at 7 seconds.
.SAT NIGHT...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft
at 8 seconds. A slight chance of showers.
.SUN...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 ft. Wave Detail: E 2 ft at 8 seconds.
.SUN NIGHT...SW winds 5 kt, becoming NW after midnight. Seas
2 ft. Wave Detail: E 2 ft at 8 seconds.
.MON...N winds 5 kt, becoming W in the afternoon. Seas 2 ft. Wave
Detail: SE 2 ft at 8 seconds. A slight chance of showers in the
morning.
.MON NIGHT...S winds 5 kt, becoming W after midnight. Seas 2 ft.
.TUE...W winds 10 to 15 kt. Seas 2 to 3 ft.
.TUE NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft.
.WED...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...S winds 10 kt. Seas 2 to 3 ft.

$$

AMZ352-220915-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
315 PM EST Fri Feb 21 2025

.TONIGHT...NE winds 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
8 seconds.
.SAT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 8 seconds.
.SAT NIGHT...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft
at 7 seconds. A slight chance of showers in the evening.
.SUN...N winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
8 seconds.
.SUN NIGHT...SW winds 5 kt, becoming NW after midnight. Seas
2 ft. Wave Detail: E 2 ft at 8 seconds. A slight chance of
showers after midnight.
.MON...N winds 5 kt, becoming SE in the afternoon. Seas 2 ft.
Wave Detail: SE 2 ft at 8 seconds. A slight chance of showers in
the morning.
.MON NIGHT...S winds 5 kt, becoming W after midnight. Seas 2 ft.
.TUE...W winds 5 to 10 kt. Seas 2 ft.
.TUE NIGHT...W winds 10 kt. Seas 2 to 3 ft.
.WED...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.

$$

AMZ354-220915-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
315 PM EST Fri Feb 21 2025

.TONIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 8 seconds.
.SAT...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 8 seconds.
.SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
3 ft at 8 seconds.
.SUN...N winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 ft. Wave Detail: NE 2 ft at 8 seconds.
.SUN NIGHT...S winds 5 kt, becoming NW after midnight. Seas 2 ft.
Wave Detail: E 2 ft at 8 seconds. A slight chance of showers
after midnight.
.MON...N winds 5 kt, becoming E in the afternoon. Seas 2 ft. Wave
Detail: E 2 ft at 8 seconds. A slight chance of showers in the
morning.
.MON NIGHT...E winds 5 kt, becoming NW after midnight. Seas 2 ft.
.TUE...W winds 5 to 10 kt. Seas 2 ft.
.TUE NIGHT...W winds 10 kt. Seas 2 to 3 ft.
.WED...NE winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 ft.

$$

AMZ374-220915-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
315 PM EST Fri Feb 21 2025

.TONIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft, subsiding to
3 to 4 ft after midnight. Wave Detail: NE 5 ft at 8 seconds,
becoming NE 4 ft at 8 seconds.
.SAT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft
at 8 seconds.
.SAT NIGHT...N winds 5 to 10 kt. Seas 3 ft. Wave Detail: NE 3 ft
at 8 seconds. A slight chance of showers.
.SUN...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft
at 8 seconds.
.SUN NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE
3 ft at 8 seconds. A slight chance of showers after midnight.
.MON...N winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
8 seconds. A slight chance of showers in the morning.
.MON NIGHT...NE winds 5 kt, becoming NW after midnight. Seas 2 to
3 ft.
.TUE...NW winds 5 to 10 kt. Seas 2 to 3 ft.
.TUE NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft.
.WED...N winds 5 to 10 kt. Seas 3 to 4 ft.
.WED NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft.

$$