902
FZUS52 KCHS 050940
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
439 AM EST Fri Dec 5 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

AMZ300-052200-
439 AM EST Fri Dec 5 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A frontal system will maintain unsettled weather through early
next week, then cold high pressure will build in.

$$

AMZ330-052200-
Charleston Harbor-
439 AM EST Fri Dec 5 2025

.TODAY...N winds 5 kt. Showers. Vsby 1 to 3 NM this afternoon.
.TONIGHT...N winds 5 kt. Showers. Vsby 1 to 3 NM.
.SAT...NW winds 5 kt. Showers.
.SAT NIGHT...NW winds 5 kt. A chance of rain, mainly in the
evening.
.SUN...NE winds 5 kt. A chance of rain.
.SUN NIGHT...N winds 5 to 10 kt. A chance of rain.
.MON...N winds 10 to 15 kt. A slight chance of rain.
.MON NIGHT...NE winds 10 to 15 kt.
.TUE...N winds 5 to 10 kt.
.TUE NIGHT...N winds 5 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 58 degrees.

$$

AMZ350-052200-
Waters from South Santee River to Edisto Beach SC out 20 NM-
439 AM EST Fri Dec 5 2025

.TODAY...N winds 5 to 10 kt. Seas 2 to 3 ft, building to 3 to
4 ft this afternoon. Wave Detail: E 3 ft at 10 seconds, becoming
E 3 ft at 10 seconds and S 2 ft at 6 seconds. Showers likely this
morning, then showers with a slight chance of tstms this
afternoon. Vsby 1 to 3 NM early this morning, then 1 to 3 NM this
afternoon.
.TONIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S
3 ft at 6 seconds and E 3 ft at 10 seconds. Showers. Vsby 1 to
3 NM.
.SAT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 5 seconds and E 2 ft at 10 seconds. Showers.
.SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 10 seconds and S 1 foot at 5 seconds. Showers likely in
the evening, then a chance of rain after midnight.
.SUN...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 9 seconds. A chance of rain.
.SUN NIGHT...N winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 3 seconds and E
2 ft at 9 seconds. A chance of rain.
.MON...N winds 15 to 20 kt. Seas 3 to 4 ft. A slight chance of
rain.
.MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE...NE winds 10 to 15 kt. Seas 4 to 5 ft.
.TUE NIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.

$$

AMZ352-052200-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
439 AM EST Fri Dec 5 2025

.TODAY...NE winds 5 to 10 kt, becoming N late this morning. Seas
2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and SE 2 ft at
5 seconds. Showers likely this morning, then showers with a
slight chance of tstms this afternoon. Vsby 1 to 3 NM late this
morning.
.TONIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft, subsiding to 2 to
3 ft after midnight. Wave Detail: S 2 ft at 6 seconds and E 2 ft
at 10 seconds, becoming S 2 ft at 5 seconds and E 2 ft at
10 seconds. Showers with a slight chance of tstms in the evening,
then a chance of showers after midnight. Vsby 1 to 3 NM.
.SAT...NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft
at 10 seconds and S 1 foot at 5 seconds. Showers.
.SAT NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E
2 ft at 10 seconds and NE 1 foot at 5 seconds. Showers likely in
the evening, then a chance of rain after midnight.
.SUN...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
9 seconds. A chance of rain.
.SUN NIGHT...N winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: E 2 ft at 9 seconds and NE
1 foot at 3 seconds. A chance of rain.
.MON...N winds 15 to 20 kt. Seas 3 to 4 ft. A slight chance of
rain.
.MON NIGHT...NE winds 15 to 20 kt. Seas 3 to 4 ft.
.TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...N winds 5 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$

AMZ354-052200-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
439 AM EST Fri Dec 5 2025

.TODAY...N winds 5 to 10 kt, becoming 10 kt. Seas 2 to 3 ft. Wave
Detail: E 2 ft at 5 seconds and E 2 ft at 10 seconds. A chance of
showers until late afternoon. A slight chance of tstms this
afternoon. Showers late with vsby 1 to 3 NM.
.TONIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
2 ft at 5 seconds and E 2 ft at 10 seconds. Showers likely with a
slight chance of tstms in the evening, then a chance of showers
after midnight. Vsby 1 to 3 NM.
.SAT...N winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
10 seconds and S 1 foot at 5 seconds. A chance of showers in the
morning, then showers in the afternoon.
.SAT NIGHT...N winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft
at 10 seconds and S 1 foot at 3 seconds. Showers in the evening,
then a chance of rain after midnight.
.SUN...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
10 seconds. A chance of rain.
.SUN NIGHT...N winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds. A
chance of rain.
.MON...N winds 15 to 20 kt. Seas 3 to 4 ft. A slight chance of
rain.
.MON NIGHT...NE winds 15 to 20 kt. Seas 3 to 4 ft.
.TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...N winds 5 to 10 kt. Seas 3 ft.

Winds and seas higher in and near tstms.

$$

AMZ374-052200-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
439 AM EST Fri Dec 5 2025

.TODAY...SW winds 10 to 15 kt with gusts to 20 kt, becoming NW
late. Seas 3 to 4 ft, building to 4 to 5 ft this afternoon. Wave
Detail: S 3 ft at 4 seconds and E 3 ft at 10 seconds, becoming S
4 ft at 5 seconds and E 3 ft at 10 seconds. A slight chance of
showers early this morning. A chance of showers late this
morning. A slight chance of tstms late.
.TONIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S
3 ft at 5 seconds and E 3 ft at 10 seconds. Showers likely with a
slight chance of tstms in the evening, then a chance of showers
after midnight. Vsby 1 to 3 NM.
.SAT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
10 seconds and S 1 foot at 4 seconds. A chance of showers in the
morning, then showers in the afternoon.
.SAT NIGHT...N winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas 3 ft. Wave Detail: E 3 ft at 10 seconds. Showers
in the evening, then a chance of rain after midnight.
.SUN...NE winds 5 to 10 kt. Seas 3 ft. Wave Detail: E 3 ft at
10 seconds. Rain likely.
.SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E
3 ft at 9 seconds and NW 2 ft at 3 seconds. A chance of rain.
.MON...N winds 15 to 20 kt. Seas 4 to 5 ft. A slight chance of
rain.
.MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE...NE winds 10 to 15 kt. Seas 4 to 5 ft.
.TUE NIGHT...N winds 10 kt. Seas 4 to 5 ft.

Winds and seas higher in and near tstms.

$$