Coastal Waters Forecast
Issued by NWS Charleston, SC

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FZUS52 KCHS 171100
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
700 AM EDT Sun Mar 17 2024

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

AMZ300-172315-
700 AM EDT Sun Mar 17 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A disturbance will approach the region today, tracking over
southeast Georgia and South Carolina tonight. A cold front is
expected to quickly sweep across the region late tonight into
early Monday morning. High pressure will build over the area on
Monday and prevail into Thursday. A storm system could impact the
area late in the week.

$$

AMZ330-172315-
Charleston Harbor-
700 AM EDT Sun Mar 17 2024

.TODAY...W winds 5 to 10 kt.
.TONIGHT...W winds 5 to 10 kt. Showers.
.MON...NW winds 5 to 10 kt. A chance of showers in the morning.
.MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 1 to
2 ft.
.TUE...NW winds 10 to 15 kt with gusts to 20 kt, becoming W in
the afternoon.
.TUE NIGHT...SW winds 10 kt, becoming W with gusts to 20 kt after
midnight.
.WED...W winds 10 to 15 kt.
.WED NIGHT...W winds 10 to 15 kt.
.THU...NE winds 10 kt.
.THU NIGHT...E winds 10 kt. A chance of showers.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 63 degrees.

$$

AMZ350-172315-
Waters from South Santee River to Edisto Beach SC out 20 NM-
700 AM EDT Sun Mar 17 2024

.TODAY...SW winds 10 to 15 kt. Seas 2 ft.
.TONIGHT...W winds 10 to 15 kt. Seas 2 ft. Showers likely.
.MON...NW winds 5 to 10 kt. Seas 2 ft. A chance of showers in the
morning.
.MON NIGHT...W winds 20 to 25 kt, becoming NW after midnight.
Gusts to 35 kt. Seas 3 to 4 ft, building to 4 to 5 ft after
midnight.
.TUE...N winds 15 to 20 kt with gusts to 30 kt, becoming W 10 to
15 kt in the afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in
the afternoon.
.TUE NIGHT...SW winds 10 to 15 kt, becoming W 15 to 20 kt after
midnight. Seas 2 to 3 ft.
.WED...W winds 15 to 20 kt. Seas 2 to 3 ft.
.WED NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft.
.THU...NE winds 10 kt. Seas 2 to 3 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers.

$$

AMZ352-172315-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
700 AM EDT Sun Mar 17 2024

.TODAY...W winds 5 to 10 kt, becoming SW 10 to 15 kt late. Seas
2 ft.
.TONIGHT...SW winds 10 kt, becoming NW after midnight. Seas 2 ft.
Showers likely in the evening, then showers with a slight chance
of tstms after midnight.
.MON...NW winds 5 to 10 kt. Seas 2 ft. A chance of showers in the
morning.
.MON NIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Seas 3 to
4 ft.
.TUE...N winds 15 to 20 kt with gusts to 25 kt, becoming W 10 kt
in the afternoon. Seas 3 to 4 ft, subsiding to 2 ft in the
afternoon.
.TUE NIGHT...SW winds 10 to 15 kt, becoming W 15 to 20 kt after
midnight. Seas 2 to 3 ft.
.WED...W winds 10 to 15 kt. Seas 2 to 3 ft.
.WED NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft.
.THU...NE winds 5 to 10 kt. Seas 2 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers.

$$

AMZ354-172315-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
700 AM EDT Sun Mar 17 2024

.TODAY...W winds 5 to 10 kt, becoming S late. Seas 2 ft.
.TONIGHT...SW winds 5 to 10 kt, becoming NW after midnight. Seas
2 ft. Showers likely in the evening, then showers with a slight
chance of tstms after midnight.
.MON...NW winds 10 kt. Seas 2 ft. A chance of showers in the
morning.
.MON NIGHT...NW winds 20 to 25 kt, increasing to 25 to 30 kt
after midnight. Seas 3 to 4 ft, building to 4 to 5 ft after
midnight.
.TUE...N winds 20 to 25 kt with gusts to 30 kt, becoming W 5 to
10 kt in the afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in
the afternoon.
.TUE NIGHT...W winds 10 to 15 kt. Seas 2 ft.
.WED...W winds 10 to 15 kt. Seas 2 ft.
.WED NIGHT...W winds 10 kt. Seas 2 ft.
.THU...N winds 5 to 10 kt. Seas 2 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers.

Winds and seas higher in and near tstms.

$$

AMZ374-172315-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
700 AM EDT Sun Mar 17 2024

.TODAY...W winds 5 to 10 kt, becoming SW late. Seas 2 ft.
.TONIGHT...SW winds 10 kt, becoming NW after midnight. Seas 2 ft.
A chance of showers in the evening, then showers likely with a
slight chance of tstms after midnight.
.MON...NW winds 10 to 15 kt. Seas 2 ft. A chance of showers,
mainly in the morning.
.MON NIGHT...NW winds 25 to 30 kt with gusts to 35 kt. Seas 4 to
5 ft, building to 5 to 7 ft after midnight.
.TUE...N winds 20 to 25 kt with gusts to 30 kt, becoming NW 10 to
15 kt with gusts to 20 kt in the afternoon. Seas 4 to 6 ft,
subsiding to 3 to 4 ft in the afternoon.
.TUE NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Seas 2 to 3 ft.
.WED...W winds 10 to 15 kt. Seas 2 to 3 ft.
.WED NIGHT...W winds 10 to 15 kt. Seas 2 ft.
.THU...N winds 5 to 10 kt. Seas 2 ft.
.THU NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers.

Winds and seas higher in and near tstms.

$$


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