Coastal Waters Forecast
Issued by NWS Charleston, SC

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FZUS52 KCHS 171658
CWFCHS

Coastal Waters Forecast for South Carolina
National Weather Service Charleston SC
1258 PM EDT Wed Apr 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

AMZ300-180515-
1258 PM EDT Wed Apr 17 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will persist through the end of the work week. A
cold front is forecast to bring unsettled weather to our area
this weekend. High pressure returns early next week.

$$

AMZ330-180515-
Charleston Harbor-
1258 PM EDT Wed Apr 17 2024

.THIS AFTERNOON...S winds 10 kt with gusts to 15 kts.
.TONIGHT...SW winds 5 to 10 kt.
.THU...SW winds 5 kt, increasing to 10 to 15 kt in the afternoon.
.THU NIGHT...SW winds 5 to 10 kt.
.FRI...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
to 20 kt in the afternoon. A slight chance of showers and tstms
in the afternoon.
.FRI NIGHT...SW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. A slight chance of showers and tstms.
.SAT...SW winds 5 to 10 kt.
.SAT NIGHT...W winds 10 kt. A slight chance of showers and tstms.
.SUN...NE winds 10 to 15 kt. A chance of showers with a slight
chance of tstms.
.SUN NIGHT...NE winds 10 to 15 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 68 degrees.

$$

AMZ350-180515-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1258 PM EDT Wed Apr 17 2024

.THIS AFTERNOON...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: SW
2 ft at 3 seconds and SE 2 ft at 9 seconds.
.TONIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 4 seconds and SE 2 ft at 9 seconds.
.THU...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 5 seconds and SE 2 ft at 9 seconds.
.THU NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 5 seconds and SE 2 ft at 9 seconds.
.FRI...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and
SE 2 ft at 9 seconds.
.FRI NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 4 seconds and SE 2 ft at 9 seconds. A slight chance of showers
and tstms after midnight.
.SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...W winds 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.
.SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers
with a slight chance of tstms.
.SUN NIGHT...NE 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.

$$

AMZ352-180515-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1258 PM EDT Wed Apr 17 2024

.THIS AFTERNOON...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE
2 ft at 9 seconds and S 1 ft at 3 seconds.
.TONIGHT...S winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at
4 seconds and SE 2 ft at 9 seconds.
.THU...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 5 seconds and SE 2 ft at 9 seconds.
.THU NIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds.
.FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 9 seconds and S 2 ft at 5 seconds.
.SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.
.SUN...NE winds 10 kt. Seas 3 to 4 ft. A chance of showers with a
slight chance of tstms.
.SUN NIGHT...NE 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.

$$

AMZ354-180515-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1258 PM EDT Wed Apr 17 2024

.THIS AFTERNOON...S winds 10 to 15 kt. Seas 2 ft. Wave Detail: S
2 ft at 3 seconds and SE 2 ft at 9 seconds.
.TONIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 4 seconds and SE 2 ft at 9 seconds.
.THU...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft
at 5 seconds and E 2 ft at 9 seconds.
.THU NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 9 seconds.
.FRI...SW winds 5 to 10 kt, becoming S in the afternoon. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 9 seconds.
.FRI NIGHT...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 9 seconds.
.SAT...SW winds 5 to 10 kt. Seas 2 ft. A slight chance of showers
and tstms.
.SAT NIGHT...SW winds 10 kt. Seas 2 ft. A slight chance of
showers and tstms.
.SUN...NE winds 10 kt. Seas 2 to 3 ft. A chance of showers with a
slight chance of tstms.
.SUN NIGHT...NE 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.

$$

AMZ374-180515-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1258 PM EDT Wed Apr 17 2024

.THIS AFTERNOON...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave
Detail: SE 3 ft at 9 seconds and S 2 ft at 3 seconds.
.TONIGHT...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft at
4 seconds and SE 3 ft at 9 seconds.
.THU...SW winds 10 kt. Seas 3 ft. Wave Detail: S 3 ft at
5 seconds and E 3 ft at 9 seconds.
.THU NIGHT...S winds 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
9 seconds.
.FRI...SW winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
9 seconds.
.FRI NIGHT...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft
at 4 seconds and SE 3 ft at 9 seconds. A slight chance of showers
and tstms after midnight.
.SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.SAT NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.
.SUN...N winds 10 kt. Seas 3 to 4 ft. A chance of showers with a
slight chance of tstms.
.SUN NIGHT...NE 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.

$$


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