Coastal Waters Forecast
Issued by NWS Charleston, SC

Home |  Current Version |  Previous Version |  Graphics & Text |  Print | Product List |  Glossary On
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
220
FZUS52 KCHS 111557
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1157 AM EDT Sat May 11 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

AMZ300-120415-
1157 AM EDT Sat May 11 2024

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will prevail through the weekend into early next
week. A storm system could affect the area by the middle of next
week.

$$

AMZ330-120415-
Charleston Harbor-
1157 AM EDT Sat May 11 2024

.THIS AFTERNOON...NE winds 5 to 10 kt, becoming SE.
.TONIGHT...SW winds 5 kt.
.SUN...NW winds 5 to 10 kt, becoming W in the afternoon.
.SUN NIGHT...SW winds 5 to 10 kt, becoming S after midnight.
.MON...SE winds 5 to 10 kt.
.MON NIGHT...S winds 10 to 15 kt. A chance of tstms. A chance of
showers in the evening, then showers likely after midnight.
.TUE...S winds 15 kt. Showers with a chance of tstms.
.TUE NIGHT...SW winds 15 kt. Showers and tstms likely.
.WED...SW winds 15 kt. A slight chance of showers and tstms.
.WED NIGHT...W winds 10 to 15 kt.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 76 degrees.

$$

AMZ350-120415-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1157 AM EDT Sat May 11 2024

.THIS AFTERNOON...NE winds 10 kt, becoming SE 5 to 10 kt. Seas
2 to 3 ft. Wave Detail: NE 2 ft at 5 seconds and SW 1 foot at 5
seconds.
.TONIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Seas 2 ft. Wave Detail: SW 2 ft at 3 seconds and NE
2 ft at 6 seconds.
.SUN...NW winds 10 to 15 kt, becoming SW 5 to 10 kt in the
afternoon. Seas 2 ft. Wave Detail: W 2 ft at 3 seconds and E 2 ft
at 7 seconds.
.SUN NIGHT...SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft
at 9 seconds and SW 1 foot at 4 seconds.
.MON...SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at
3 seconds and E 2 ft at 9 seconds.
.MON NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S
3 ft at 5 seconds and E 1 foot at 9 seconds. A chance of tstms. A
chance of showers in the evening, then showers after midnight.
.TUE...S winds 15 to 20 kt. Seas 4 to 5 ft. Showers with a chance
of tstms.
.TUE NIGHT...SW winds 15 to 20 kt. Seas 4 to 5 ft. Showers and
tstms.
.WED...SW winds 15 to 20 kt. Seas 4 to 5 ft. A slight chance of
showers and tstms.
.WED NIGHT...W winds 10 to 15 kt. Seas 4 to 5 ft. A slight chance
of showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-120415-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1157 AM EDT Sat May 11 2024

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

Winds and seas higher in and near tstms.

$$

AMZ354-120415-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1157 AM EDT Sat May 11 2024

.THIS AFTERNOON...NE winds 5 to 10 kt, becoming E. Seas 2 ft.
Wave Detail: N 2 ft at 5 seconds.
.TONIGHT...S winds 5 kt, becoming W after midnight. Seas 2 ft.
Wave Detail: NE 2 ft at 6 seconds.
.SUN...NW winds 5 to 10 kt, becoming SW in the afternoon. Seas
2 ft. Wave Detail: W 1 foot at 2 seconds and NE 1 foot at
6 seconds.
.SUN NIGHT...S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft
at 8 seconds and SW 1 foot at 3 seconds.
.MON...SE winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 1 foot or less, then around 2 ft in the
afternoon. Wave Detail: S 1 foot at 3 seconds and E 1 foot at
8 seconds, becoming SE 2 ft at 3 seconds and E 2 ft at 8 seconds.
A chance of showers and tstms in the afternoon.
.MON NIGHT...SE winds 15 to 20 kt. Seas 2 to 3 ft, building to
3 to 4 ft after midnight. Wave Detail: SE 3 ft at 4 seconds and E
1 foot at 8 seconds, becoming SE 4 ft at 5 seconds and E 1 foot
at 9 seconds. A chance of tstms. Showers.
.TUE...S winds 15 kt. Seas 3 to 4 ft. Showers with a chance of
tstms.
.TUE NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Showers and
tstms likely.
.WED...SW winds 15 to 20 kt. Seas 3 to 4 ft. A slight chance of
showers and tstms.
.WED NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.

$$

AMZ374-120415-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1157 AM EDT Sat May 11 2024

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

Winds and seas higher in and near tstms.

$$