940
FZUS52 KCHS 052140
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
439 PM 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

AMZ300-061000-
439 PM 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.

$$

AMZ330-061000-
Charleston Harbor-
439 PM EST Fri Dec 5 2025

.TONIGHT...N winds 5 kt. Patchy fog. A slight chance of tstms
early this evening. Showers until early morning. A chance of
showers late.
.SAT...NW winds 5 kt. Patchy fog in the morning. A chance of
showers in the morning, then showers in the afternoon.
.SAT NIGHT...W winds 5 kt, becoming N after midnight. A chance of
showers.
.SUN...NE winds 5 kt. A slight chance of showers in the
afternoon.
.SUN NIGHT...N winds 5 kt. A chance of showers, mainly in the
evening.
.MON...N winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. A slight chance of showers in the morning.
.MON NIGHT...N winds 10 to 15 kt.
.TUE...N winds 5 to 10 kt.
.TUE NIGHT...N winds 5 kt.
.WED...NW winds 5 to 10 kt.
.WED NIGHT...W winds 10 kt.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 58 degrees.

$$

AMZ350-061000-
Waters from South Santee River to Edisto Beach SC out 20 NM-
439 PM EST Fri Dec 5 2025

.TONIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S
3 ft at 6 seconds and E 2 ft at 10 seconds. Patchy fog early this
evening. Patchy fog late this evening. A slight chance of tstms
early this evening. Showers this evening. A chance of showers
after midnight. Vsby 1 to 3 NM early this evening.
.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. A chance of showers in the
morning, then showers in the afternoon.
.SAT NIGHT...NW winds 5 to 10 kt, becoming N after midnight. Seas
2 to 3 ft. Wave Detail: E 2 ft at 10 seconds and NE 1 foot at
4 seconds. A chance of showers.
.SUN...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
9 seconds and S 1 foot at 5 seconds. A slight chance of showers
in the morning, then a chance of showers in the afternoon.
.SUN NIGHT...N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE
2 ft at 3 seconds and E 2 ft at 9 seconds. A chance of showers,
mainly in the evening.
.MON...N winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft, building to 4 to 5 ft in the
afternoon. Wave Detail: NE 3 ft at 4 seconds and SE 2 ft at
9 seconds, becoming NE 4 ft at 5 seconds and SE 2 ft at
9 seconds. A chance of showers, mainly in the morning.
.MON NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
6 ft.
.TUE...N winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE NIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft.
.WED...NW winds 10 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...W winds 15 to 20 kt. Seas 4 to 5 ft.

Winds and seas higher in and near tstms.

$$

AMZ352-061000-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
439 PM EST Fri Dec 5 2025

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

Winds and seas higher in and near tstms.

$$

AMZ354-061000-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
439 PM EST Fri Dec 5 2025

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

Winds and seas higher in and near tstms.

$$

AMZ374-061000-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
439 PM EST Fri Dec 5 2025

.TONIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S
3 ft at 5 seconds and E 2 ft at 10 seconds. Patchy fog early this
evening. Patchy fog late this evening. Showers likely with a
slight chance of tstms this evening, then a slight chance of
showers after midnight. Vsby 1 to 3 NM early this evening.
.SAT...NW winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and
N 2 ft at 3 seconds. A slight chance of showers in the morning,
then showers likely in the afternoon.
.SAT NIGHT...NW winds 10 to 15 kt, becoming N 5 to 10 kt after
midnight. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and N
2 ft at 3 seconds. Showers, mainly in the evening.
.SUN...NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft
at 9 seconds. A chance of showers in the morning, then showers
likely in the afternoon.
.SUN NIGHT...NE winds 5 to 10 kt, becoming N 10 to 15 kt after
midnight. Seas 2 to 3 ft, building to 3 to 4 ft after midnight.
Wave Detail: E 3 ft at 9 seconds, becoming E 3 ft at 9 seconds
and N 2 ft at 3 seconds. A chance of showers with a slight chance
of tstms in the evening, then a slight chance of showers after
midnight.
.MON...N winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft, building to 4 to 5 ft in the
afternoon. Wave Detail: N 3 ft at 4 seconds and E 3 ft at
9 seconds, becoming NE 4 ft at 5 seconds and E 2 ft at 9 seconds.
A chance of showers, mainly in the morning.
.MON NIGHT...N winds 20 kt with gusts to 25 kt. Seas 4 to 6 ft,
building to 5 to 6 ft after midnight.
.TUE...NE winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE NIGHT...N winds 5 to 10 kt. Seas 4 to 5 ft.
.WED...NW winds 5 to 10 kt. Seas 4 ft.
.WED NIGHT...W winds 15 to 20 kt. Seas 4 to 6 ft.

Winds and seas higher in and near tstms.

$$