Coastal Waters Forecast
Issued by NWS Charleston, SC

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FZUS52 KCHS 191902
CWFCHS

Coastal Waters Forecast for South Carolina
National Weather Service Charleston SC
302 PM EDT Fri Apr 19 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

AMZ300-200815-
302 PM EDT Fri Apr 19 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A slow moving front will bring unsettled weather to the region
Saturday through early next week. High pressure will then return
and prevail into the middle of next week.

$$

AMZ330-200815-
Charleston Harbor-
302 PM EDT Fri Apr 19 2024

.TONIGHT...SW winds 5 to 10 kt.
.SAT...SW winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. A chance of showers and tstms in the afternoon.
.SAT NIGHT...SW winds 5 to 10 kt, becoming NE after midnight.
Showers likely. Tstms likely, mainly in the evening.
.SUN...NE winds 10 to 15 kt. A slight chance of tstms. A chance
of showers in the morning, then showers likely in the afternoon.
.SUN NIGHT...N winds 15 kt with gusts to 20 kt. A slight chance
of tstms in the evening. Showers likely.
.MON...NE winds 10 to 15 kt. A chance of showers in the morning,
then a slight chance of showers and tstms in the afternoon.
.MON NIGHT...NE winds 10 kt. A slight chance of showers and tstms
in the evening.
.TUE...NE winds 10 kt.
.TUE NIGHT...SE winds 5 to 10 kt.
.WED...W winds 5 to 10 kt.
.WED NIGHT...SW winds 5 to 10 kt.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 69 degrees.

$$

AMZ350-200815-
Waters from South Santee River to Edisto Beach SC out 20 NM-
302 PM EDT Fri Apr 19 2024

.TONIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at
4 seconds and SE 2 ft at 8 seconds. A slight chance of showers
and tstms late.
.SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 5 seconds and SE 2 ft at 8 seconds.
.SAT NIGHT...S winds 5 to 10 kt, becoming E after midnight. Seas
2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at
8 seconds. Showers likely. A chance of tstms, mainly in the
evening.
.SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NE 2 ft
at 3 seconds and E 2 ft at 9 seconds. A slight chance of tstms. A
chance of showers in the morning, then showers likely in the
afternoon.
.SUN NIGHT...NE winds 10 to 15 kt, becoming N 15 to 20 kt after
midnight. Seas 3 to 4 ft. Wave Detail: E 4 ft at 8 seconds and NE
3 ft at 4 seconds. Showers with a slight chance of tstms.
.MON...NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the
afternoon. Seas 4 to 5 ft. Wave Detail: E 5 ft at 7 seconds and S
1 ft at 6 seconds. A chance of showers in the morning, then a
slight chance of showers and tstms in the afternoon.
.MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 5 ft. A slight
chance of tstms in the evening. A slight chance of showers.
.TUE...NE winds 10 to 15 kt. Seas 4 to 5 ft.
.TUE NIGHT...SE winds 5 to 10 kt. Seas 3 to 4 ft.
.WED...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$

AMZ352-200815-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
302 PM EDT Fri Apr 19 2024

.TONIGHT...SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 9 seconds and S 2 ft at 4 seconds.
.SAT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 5 seconds and SE 2 ft at 8 seconds. A slight chance of showers
and tstms in the afternoon.
.SAT NIGHT...SW winds 5 to 10 kt, becoming W after midnight. Seas
2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and SE 2 ft at
8 seconds. Showers likely with a chance of tstms in the evening,
then a chance of showers with a slight chance of tstms after
midnight.
.SUN...NE winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 3 seconds and
E 2 ft at 8 seconds. A slight chance of tstms. A chance of
showers in the morning, then showers likely in the afternoon.
.SUN NIGHT...N winds 10 to 15 kt. Seas 3 ft. Wave Detail: NE 2 ft
at 4 seconds and SE 2 ft at 8 seconds. Showers with a slight
chance of tstms.
.MON...NE winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft.
Wave Detail: E 4 ft at 6 seconds and SE 1 ft at 12 seconds. A
chance of showers in the morning, then a slight chance of showers
and tstms in the afternoon.
.MON NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft. A slight chance of showers and tstms in the evening, then a
slight chance of showers after midnight.
.TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft.
.WED...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$

AMZ354-200815-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
302 PM EDT Fri Apr 19 2024

.TONIGHT...S winds 10 kt, becoming SW late. Seas 2 to 3 ft. Wave
Detail: SE 3 ft at 9 seconds and S 2 ft at 4 seconds.
.SAT...W winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to
3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds.
.SAT NIGHT...SW winds 10 kt, becoming W after midnight. Seas 2 to
3 ft. Wave Detail: S 2 ft at 4 seconds and SE 2 ft at 8 seconds.
A chance of showers. A chance of tstms, mainly in the evening.
.SUN...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
2 to 3 ft. Wave Detail: E 2 ft at 8 seconds and NE 1 ft at
2 seconds. A slight chance of tstms. A slight chance of showers
in the morning, then showers likely in the afternoon.
.SUN NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE
2 ft at 3 seconds and E 2 ft at 8 seconds. Showers with a slight
chance of tstms.
.MON...NE winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft.
Wave Detail: NE 4 ft at 5 seconds and E 2 ft at 8 seconds. A
chance of showers in the morning, then a slight chance of showers
and tstms in the afternoon.
.MON NIGHT...NE winds 15 to 20 kt. Seas 3 to 4 ft. A slight
chance of showers and tstms in the evening.
.TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft.
.TUE NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft.
.WED...SW winds 5 to 10 kt. Seas 2 to 3 ft.
.WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

$$

AMZ374-200815-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
302 PM EDT Fri Apr 19 2024

.TONIGHT...S winds 10 kt, becoming SW late. Seas 3 to 4 ft. Wave
Detail: S 3 ft at 4 seconds and SE 3 ft at 9 seconds.
.SAT...SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft
at 4 seconds and E 2 ft at 8 seconds.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S
2 ft at 4 seconds and E 2 ft at 8 seconds. A chance of showers. A
chance of tstms, mainly in the evening.
.SUN...W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at
9 seconds and S 2 ft at 4 seconds. A slight chance of tstms. A
slight chance of showers in the morning, then a chance of showers
in the afternoon.
.SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N
3 ft at 4 seconds and E 2 ft at 9 seconds. Showers with a slight
chance of tstms.
.MON...NE winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft,
building to 4 to 6 ft in the afternoon. Wave Detail: E 4 ft at
8 seconds and NE 3 ft at 4 seconds, becoming NE 5 ft at 8 seconds
and NE 4 ft at 5 seconds. A chance of showers in the morning,
then a chance of showers with a slight chance of tstms in the
afternoon.
.MON NIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Seas 5 to
6 ft. A slight chance of tstms in the evening. A slight chance of
showers.
.TUE...NE winds 15 to 20 kt. Seas 4 to 6 ft.
.TUE NIGHT...E winds 5 to 10 kt. Seas 4 to 5 ft.
.WED...W winds 5 to 10 kt. Seas 3 to 4 ft.
.WED NIGHT...SW winds 5 to 10 kt. Seas 3 ft.

Winds and seas higher in and near tstms.

$$


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