Coastal Waters Forecast
Issued by NWS Charleston, SC

Home |  Current Version |  Previous Version |  Graphics & Text |  Print | Product List |  Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
343
FZUS52 KCHS 191019
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
619 AM EDT Fri Jul 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

AMZ300-192315-
619 AM EDT Fri Jul 19 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
A cold front will approach our region today and likely stall to
our north and west through the weekend. High pressure will return
next week with weak troughing inland.

$$

AMZ330-192315-
Charleston Harbor-
619 AM EDT Fri Jul 19 2024

.TODAY...SW winds 5 kt, increasing to 10 to 15 kt with gusts to
20 kt late this morning. A slight chance of showers and tstms
early this afternoon. A chance of showers and tstms late.
.TONIGHT...SW winds 10 kt. A chance of showers and tstms.
.SAT...SW winds 10 to 15 kt. Showers and tstms likely.
.SAT NIGHT...S winds 10 to 15 kt, becoming SW 5 to 10 kt after
midnight. Showers and tstms likely.
.SUN...SW winds 5 to 10 kt. Showers and tstms likely.
.SUN NIGHT...S winds 5 to 10 kt. Showers and tstms likely.
.MON...SW winds 5 to 10 kt. Showers and tstms likely.
.MON NIGHT...S winds 5 to 10 kt. Showers and tstms likely.
.TUE...S winds 10 to 15 kt. Showers and tstms likely.
.TUE NIGHT...S winds 10 to 15 kt. Showers and tstms likely.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 86 degrees.

$$

AMZ350-192315-
Waters from South Santee River to Edisto Beach SC out 20 NM-
619 AM EDT Fri Jul 19 2024

.TODAY...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: S
3 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of showers
this morning. A slight chance of tstms. A slight chance of
showers this afternoon.
.TONIGHT...SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 9 seconds. A
chance of showers and tstms in the evening, then showers and
tstms likely after midnight.
.SAT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 3 ft
at 7 seconds. Showers and tstms likely.
.SAT NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 ft.
Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 8 seconds.
Showers and tstms likely.
.SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 5 seconds and SE 3 ft at 8 seconds. Showers and tstms likely.
.SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE
4 ft at 9 seconds. Showers and tstms likely.
.MON...SW winds 5 to 10 kt. Seas 3 to 4 ft. Showers and tstms
likely.
.MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers and
tstms likely.
.TUE...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers and tstms
likely.
.TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers and
tstms likely.

Winds and seas higher in and near tstms.

$$

AMZ352-192315-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
619 AM EDT Fri Jul 19 2024

.TODAY...SW winds 10 kt, becoming S late. Seas 2 to 3 ft. Wave
Detail: S 3 ft at 5 seconds and SE 3 ft at 8 seconds. A chance of
showers with a slight chance of tstms early this morning. A
slight chance of showers and tstms late.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 9 seconds.
Showers and tstms likely mainly in the evening.
.SAT...S winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to
3 ft in the afternoon. Wave Detail: S 3 ft at 5 seconds and SE
2 ft at 8 seconds, becoming SE 3 ft at 8 seconds and S 2 ft at
5 seconds. Showers and tstms likely, mainly in the morning.
.SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
3 ft at 5 seconds and SE 3 ft at 8 seconds. Showers and tstms
likely.
.SUN...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 8 seconds. Showers and tstms likely.
.SUN NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft, building to
3 to 4 ft after midnight. Wave Detail: SE 3 ft at 8 seconds,
becoming SE 4 ft at 9 seconds. Showers and tstms likely.
.MON...SW winds 5 to 10 kt. Seas 3 to 4 ft. Showers and tstms
likely.
.MON NIGHT...S winds 10 kt. Seas 3 to 4 ft. Showers and tstms
likely.
.TUE...S winds 5 to 10 kt. Seas 3 to 4 ft. Showers and tstms
likely.
.TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers and
tstms likely.

Winds and seas higher in and near tstms.

$$

AMZ354-192315-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
619 AM EDT Fri Jul 19 2024

.TODAY...SW winds 5 to 10 kt, becoming S 10 to 15 kt late. Seas
2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and S 2 ft at
5 seconds. A slight chance of showers and tstms late.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 9 seconds.
A chance of showers and tstms, mainly in the evening.
.SAT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft
at 5 seconds and SE 3 ft at 8 seconds. A chance of showers and
tstms.
.SAT NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
3 ft at 4 seconds and SE 3 ft at 8 seconds. Showers and tstms
likely.
.SUN...S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at
5 seconds and SE 3 ft at 8 seconds. Showers and tstms likely.
.SUN NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 8 seconds. Showers and tstms likely.
.MON...S winds 5 to 10 kt. Seas 2 to 3 ft. Showers and tstms
likely.
.MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.
.TUE...S winds 5 to 10 kt. Seas 3 to 4 ft. Showers and tstms
likely.
.TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers and
tstms likely.

Winds and seas higher in and near tstms.

$$

AMZ374-192315-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
619 AM EDT Fri Jul 19 2024

.TODAY...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW
3 ft at 5 seconds and SE 3 ft at 8 seconds. A slight chance of
showers and tstms early this morning.
.TONIGHT...S winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.
Wave Detail: S 4 ft at 5 seconds and SE 3 ft at 9 seconds. A
chance of showers and tstms mainly in the evening.
.SAT...S winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to
3 ft in the afternoon. Wave Detail: SW 3 ft at 5 seconds and SE
3 ft at 8 seconds, becoming SE 3 ft at 8 seconds and SW 2 ft at
4 seconds. A chance of showers and tstms.
.SAT NIGHT...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft
at 5 seconds and SE 3 ft at 8 seconds. Showers and tstms likely.
.SUN...S winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at
8 seconds. Showers and tstms likely.
.SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE
4 ft at 9 seconds. Showers and tstms likely.
.MON...S winds 5 to 10 kt. Seas 3 to 4 ft. Showers and tstms
likely.
.MON NIGHT...S winds 10 kt. Seas 3 to 4 ft. Showers and tstms
likely.
.TUE...S winds 5 to 10 kt. Seas 3 to 4 ft. Showers and tstms
likely.
.TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Showers and
tstms likely.

Winds and seas higher in and near tstms.

$$