Coastal Waters Forecast
Issued by NWS Charleston, SC

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FZUS52 KCHS 141106
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
706 AM EDT Mon Jul 14 2025

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

AMZ300-150015-
706 AM EDT Mon Jul 14 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Atlantic high pressure will prevail into the upcoming weekend.

$$

AMZ330-150015-
Charleston Harbor-
706 AM EDT Mon Jul 14 2025

.TODAY...E winds 5 kt, increasing to 10 to 15 kt this afternoon.
A slight chance of showers and tstms this morning, then a chance
of showers and tstms this afternoon.
.TONIGHT...E winds 5 to 10 kt. A slight chance of showers and
tstms in the evening.
.TUE...E winds 5 to 10 kt, becoming SE 10 to 15 kt in the
afternoon. A chance of showers and tstms.
.TUE NIGHT...S winds 10 to 15 kt. A chance of showers and tstms.
.WED...S winds 10 to 15 kt. Showers likely with a chance of
tstms.
.WED NIGHT...S winds 10 to 15 kt. A chance of showers and tstms,
mainly in the evening.
.THU...S winds 10 to 15 kt. A chance of showers and tstms.
.THU NIGHT...S winds 10 to 15 kt.
.FRI...SW winds 10 to 15 kt. A chance of showers and tstms.
.FRI NIGHT...SW winds 10 to 15 kt. A slight chance of showers and
tstms.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 85 degrees.

$$

AMZ350-150015-
Waters from South Santee River to Edisto Beach SC out 20 NM-
706 AM EDT Mon Jul 14 2025

.TODAY...E winds 5 kt, increasing to 5 to 10 kt this afternoon.
Seas 2 ft. Wave Detail: SE 2 ft at 7 seconds. A slight chance of
showers and tstms.
.TONIGHT...SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft
at 7 seconds.
.TUE...SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 6 seconds. A chance of showers and tstms.
.TUE NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE
3 ft at 6 seconds. A chance of showers and tstms.
.WED...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: SE 3 ft at
6 seconds. Showers likely with a chance of tstms.
.WED NIGHT...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: SE 3 ft
at 6 seconds. A slight chance of tstms. A slight chance of
showers in the evening, then a chance of showers after midnight.
.THU...S winds 10 to 15 kt. Seas 3 ft. A chance of showers and
tstms.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 ft. A slight chance of
showers and tstms.
.FRI...SW winds 10 to 15 kt. Seas 3 ft. A chance of showers and
tstms.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 3 ft. A slight chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ352-150015-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
706 AM EDT Mon Jul 14 2025

.TODAY...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
7 seconds. A slight chance of showers and tstms.
.TONIGHT...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
7 seconds. A slight chance of showers and tstms in the evening.
.TUE...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
6 seconds. A chance of showers and tstms.
.TUE NIGHT...SE winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 6 seconds. A chance of showers. A chance of tstms, mainly in
the evening.
.WED...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: SE 3 ft at
6 seconds. A chance of showers and tstms.
.WED NIGHT...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: SE 3 ft
at 6 seconds. A slight chance of showers and tstms.
.THU...S winds 10 kt. Seas 3 ft. A chance of showers and tstms.
.THU NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance
of showers and tstms.
.FRI...SW winds 10 kt. Seas 2 to 3 ft. A chance of showers with a
slight chance of tstms.
.FRI NIGHT...SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight
chance of showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ354-150015-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
706 AM EDT Mon Jul 14 2025

.TODAY...NE winds 5 to 10 kt, becoming E late. Seas 2 ft. Wave
Detail: SE 2 ft at 8 seconds. A slight chance of showers and
tstms late this morning and early afternoon. A chance of showers
and tstms late.
.TONIGHT...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
6 seconds. A chance of showers and tstms in the evening.
.TUE...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
6 seconds. A chance of showers and tstms.
.TUE NIGHT...SE winds 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft
at 6 seconds. A chance of showers. A chance of tstms, mainly in
the evening.
.WED...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: SE 3 ft at
6 seconds. A chance of showers. A slight chance of tstms in the
morning, then a chance of tstms in the afternoon.
.WED NIGHT...S winds 10 to 15 kt. Seas 3 ft. Wave Detail: SE 3 ft
at 6 seconds. A chance of showers and tstms, mainly in the
evening.
.THU...S winds 10 to 15 kt. Seas 3 ft. A chance of showers and
tstms.
.THU NIGHT...S winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance
of showers and tstms.
.FRI...S winds 10 kt. Seas 2 to 3 ft. A chance of showers and
tstms.
.FRI NIGHT...SW winds 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ374-150015-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
706 AM EDT Mon Jul 14 2025

.TODAY...NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at
8 seconds. A slight chance of tstms. A slight chance of showers.
.TONIGHT...E winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at
6 seconds. A slight chance of showers and tstms.
.TUE...E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at
6 seconds. A chance of showers and tstms.
.TUE NIGHT...SE winds 10 to 15 kt. Seas 2 to 3 ft, building to
3 to 4 ft after midnight. Wave Detail: SE 3 ft at 6 seconds,
becoming SE 4 ft at 6 seconds. A chance of showers. A chance of
tstms, mainly in the evening.
.WED...S winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft
at 6 seconds. A chance of tstms. A chance of showers, mainly in
the morning.
.WED NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft. Wave Detail: SE 3 ft at 6 seconds. A slight chance of
tstms. A slight chance of showers in the evening, then a chance
of showers after midnight.
.THU...S winds 10 to 15 kt. Seas 3 ft. A chance of showers and
tstms.
.THU NIGHT...S winds 10 to 15 kt. Seas 3 ft. A slight chance of
showers and tstms.
.FRI...SW winds 10 kt. Seas 2 to 3 ft. A chance of showers with a
slight chance of tstms.
.FRI NIGHT...SW winds 10 kt. Seas 3 ft. A slight chance of
showers and tstms.

Winds and seas higher in and near tstms.

$$