289
FZUS52 KCHS 261003
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
503 AM EST Wed Nov 26 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

AMZ300-262315-
503 AM EST Wed Nov 26 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A strong cold front will sweep through late today, with high
pressure building into the region Thursday and into the weekend.

$$

AMZ330-262315-
Charleston Harbor-
503 AM EST Wed Nov 26 2025

.TODAY...SW winds 10 to 15 kt, increasing to 15 kt with gusts to
20 kt. A slight chance of showers.
.TONIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt after
midnight. Waves building 1 to 2 ft.
.THU...N winds 10 to 15 kt with gusts to 20 kt, becoming NW 5 to
10 kt in the afternoon.
.THU NIGHT...NW winds 5 to 10 kt.
.FRI...N winds 10 kt.
.FRI NIGHT...N winds 5 to 10 kt.
.SAT...NE winds 10 kt.
.SAT NIGHT...NE winds 10 kt.
.SUN...E winds 5 to 10 kt.
.SUN NIGHT...SE winds 5 to 10 kt. A chance of showers with a
slight chance of tstms.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 63 degrees.

$$

AMZ350-262315-
Waters from South Santee River to Edisto Beach SC out 20 NM-
503 AM EST Wed Nov 26 2025

.TODAY...SW winds 15 to 20 kt. Seas 2 to 4 ft, building to 3 to
5 ft. Wave Detail: S 4 ft at 6 seconds. A slight chance of
showers.
.TONIGHT...W winds 10 to 15 kt, becoming NW 15 to 20 kt after
midnight. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and
SE 2 ft at 8 seconds.
.THU...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft
at 4 seconds and E 2 ft at 8 seconds.
.THU NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds
and E 2 ft at 6 seconds.
.FRI...N winds 15 to 20 kt, becoming NW 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and
E 2 ft at 6 seconds.
.FRI NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N
3 ft at 4 seconds.
.SAT...NE winds 15 kt. Seas 3 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft.
.SUN...SE winds 10 to 15 kt. Seas 3 ft.
.SUN NIGHT...S winds 10 kt. Seas 3 ft. A chance of showers with a
slight chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-262315-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
503 AM EST Wed Nov 26 2025

.TODAY...SW winds 10 to 15 kt with gusts to 20 kt. Seas 2 to
4 ft. Wave Detail: S 3 ft at 6 seconds. A slight chance of
showers.
.TONIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and E
2 ft at 7 seconds.
.THU...NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft
at 4 seconds and E 2 ft at 7 seconds.
.THU NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds
and E 2 ft at 7 seconds.
.FRI...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft
at 4 seconds and E 2 ft at 7 seconds.
.FRI NIGHT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N
3 ft at 4 seconds.
.SAT...NE winds 15 kt. Seas 3 ft.
.SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft.
.SUN...E winds 10 kt. Seas 3 ft.
.SUN NIGHT...SE winds 10 kt. Seas 3 ft. A chance of showers with
a slight chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-262315-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
503 AM EST Wed Nov 26 2025

.TODAY...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
3 ft at 5 seconds. A slight chance of showers.
.TONIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and E
2 ft at 7 seconds.
.THU...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and
E 2 ft at 8 seconds.
.THU NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Seas 2 to
3 ft, building to 3 to 4 ft after midnight. Wave Detail: NW 3 ft
at 4 seconds and E 2 ft at 7 seconds, becoming NW 3 ft at
4 seconds and E 1 foot at 7 seconds.
.FRI...N winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the
afternoon. Wave Detail: N 3 ft at 4 seconds and E 2 ft at
7 seconds, becoming NE 3 ft at 6 seconds.
.FRI NIGHT...N winds 10 to 15 kt, becoming NE 15 to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds.
.SAT...NE winds 15 to 20 kt. Seas 3 to 4 ft.
.SAT NIGHT...E winds 15 to 20 kt. Seas 3 to 4 ft.
.SUN...E winds 10 kt. Seas 3 ft.
.SUN NIGHT...SE winds 10 kt. Seas 3 ft. A chance of showers with
a slight chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-262315-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
503 AM EST Wed Nov 26 2025

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

Winds and seas higher in and near tstms.

$$