National Weather Service Marine Forecast FZUS52 KCHS

FZUS52 KCHS 101119
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
719 AM EDT Fri Jul 10 2026

South Santee River SC to Altamaha Sound GA out 60 NM, including Charleston Harbor and Grays Reef National Marine Sanctuary

AMZ300-110100
719 AM EDT Fri Jul 10 2026

.Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... High pressure will persist over the region through the work week. A cold front may push south over the area late this weekend.

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AMZ340-110100
Charleston Harbor
719 AM EDT Fri Jul 10 2026

TODAY
SW winds 10 to 15 kt with gusts to 20 kt, becoming 15 kt with gusts to 20 kt late. A slight chance of showers and tstms late.

TONIGHT
SW winds 10 to 15 kt with gusts to 20 kt. A chance of showers and tstms, mainly in the evening.

SAT
SW winds 10 to 15 kt. A chance of showers and tstms in the afternoon.

SAT NIGHT
SW winds 10 to 15 kt. A chance of showers and tstms.

SUN
W winds 5 to 10 kt, becoming SW in the afternoon. A slight chance of showers and tstms in the morning, then showers with tstms likely in the afternoon.

SUN NIGHT
S winds 5 kt, becoming NW after midnight. Showers with tstms likely in the evening, then showers with a chance of tstms after midnight.

MON
NE winds 5 to 10 kt. Showers with tstms likely.

MON NIGHT
NE winds 5 to 10 kt. Showers with a chance of tstms.

TUE
NE winds 5 to 10 kt. Showers and tstms likely.

TUE NIGHT
NE winds 5 to 10 kt. A 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 87 degrees.

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AMZ360-110100
Coastal waters from South Santee River to Edisto Beach SC out 20 NM
719 AM EDT Fri Jul 10 2026

TODAY
W winds 10 to 15 kt, becoming SW 15 to 20 kt this afternoon. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 6 seconds and SE 2 ft at 9 seconds.

TONIGHT
SW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft. Wave Detail: S 4 ft at 5 seconds and SE 2 ft at 8 seconds. A slight chance of showers and tstms.

SAT
SW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds. A slight chance of showers and tstms in the afternoon.

SAT NIGHT
SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of showers and tstms.

SUN
W winds 10 to 15 kt with gusts to 20 kt, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. A slight chance of showers and tstms in the morning, then showers likely with a chance of tstms in the afternoon.

SUN NIGHT
SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 9 seconds. Showers with a chance of tstms.

MON
NE winds 10 to 15 kt. Seas 2 to 3 ft. Showers with a chance of tstms.

MON NIGHT
NE winds 10 to 15 kt. Seas 2 to 3 ft. Showers with a chance of tstms.

TUE
NE winds 10 to 15 kt. Seas 2 to 3 ft. Showers likely with a chance of tstms.

TUE NIGHT
NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms.

Winds and seas higher in and near tstms.

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AMZ362-110100
Coastal waters from Edisto Beach SC to Savannah GA out 20 NM
719 AM EDT Fri Jul 10 2026

TODAY
SW winds 10 to 15 kt with gusts to 20 kt, becoming S 15 to 20 kt with gusts to 25 kt late. Seas 3 to 4 ft, subsiding to 2 to 3 ft this afternoon. Wave Detail: S 3 ft at 5 seconds and SE 2 ft at 9 seconds, becoming S 3 ft at 5 seconds and SE 2 ft at 8 seconds.

TONIGHT
SW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 5 seconds and SE 2 ft at 8 seconds. A slight chance of showers and tstms in the evening.

SAT
W winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. 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.

SAT NIGHT
SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and SE 1 foot at 8 seconds. A slight chance of showers and tstms.

SUN
W winds 10 to 15 kt, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of showers and tstms in the afternoon.

SUN NIGHT
SW winds 5 to 10 kt, becoming W after midnight. Seas 2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at 4 seconds. Showers with tstms likely in the evening, then showers with a chance of tstms after midnight.

MON
NE winds 5 to 10 kt. Seas 2 ft. Showers with tstms likely.

MON NIGHT
NE winds 5 to 10 kt. Seas 2 ft. Showers with a chance of tstms.

TUE
NE winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms.

TUE NIGHT
NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms.

Winds and seas higher in and near tstms.

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AMZ364-110100
Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm, including Grays Reef National Marine Sanctuary
719 AM EDT Fri Jul 10 2026

TODAY
W winds 5 to 10 kt, becoming S 10 to 15 kt with gusts to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 8 seconds.

TONIGHT
SW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 5 seconds and SE 1 foot at 8 seconds.

SAT
W winds 10 kt, becoming S with gusts to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 8 seconds.

SAT NIGHT
SW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Seas 3 to 4 ft, subsiding to 2 to 3 ft after midnight. Wave Detail: S 3 ft at 5 seconds and SE 1 foot at 8 seconds. A slight chance of tstms in the evening. A slight chance of showers.

SUN
W winds 10 to 15 kt, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of showers and tstms in the afternoon.

SUN NIGHT
SW winds 5 to 10 kt, becoming W after midnight. Seas 2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at 3 seconds. Showers with a chance of tstms in the evening, then showers with a slight chance of tstms after midnight.

MON
NW winds 5 to 10 kt. Seas 2 ft. Showers with tstms likely.

MON NIGHT
W winds 5 to 10 kt. Seas 2 ft. Showers with a chance of tstms.

TUE
NE winds 5 to 10 kt. Seas 2 ft. Showers likely with a chance of tstms.

TUE NIGHT
NE winds 5 to 10 kt. Seas 2 ft. A chance of showers and tstms.

Winds and seas higher in and near tstms.

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AMZ380-110100
Waters from South Santee River SC to Edisto Beach SC extending from 20 to 60 NM
719 AM EDT Fri Jul 10 2026

TODAY
SW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft. Wave Detail: SW 4 ft at 6 seconds and SE 2 ft at 8 seconds.

TONIGHT
SW winds 20 kt with gusts to 25 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 7 seconds.

SAT
SW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft. Wave Detail: S 5 ft at 7 seconds.

SAT NIGHT
SW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft. Wave Detail: SW 4 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of showers and tstms.

SUN
W winds 10 to 15 kt with gusts to 20 kt, becoming SW 5 to 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 6 seconds and SE 2 ft at 8 seconds. A chance of showers. A slight chance of tstms in the morning, then a chance of tstms in the afternoon.

SUN NIGHT
SW winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 9 seconds. Showers. A chance of tstms in the evening, then tstms likely after midnight.

MON
NE winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with a chance of tstms.

MON NIGHT
NE winds 10 to 15 kt. Seas 3 ft. Showers with a chance of tstms.

TUE
NE winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely with a chance of tstms.

TUE NIGHT
NE winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers and tstms.

Winds and seas higher in and near tstms.

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AMZ382-110100
Waters from Edisto Beach SC to Savannah GA extending from 20 to 60 NM
719 AM EDT Fri Jul 10 2026

TODAY
SW winds 10 to 15 kt with gusts to 20 kt, increasing to 15 to 20 kt late. Seas 4 to 5 ft, subsiding to 3 to 4 ft this afternoon. Wave Detail: SW 3 ft at 5 seconds and SE 3 ft at 9 seconds, becoming SW 3 ft at 5 seconds and SE 2 ft at 8 seconds.

TONIGHT
SW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft, building to 4 to 5 ft after midnight. Wave Detail: S 4 ft at 5 seconds and SE 2 ft at 9 seconds, becoming SW 4 ft at 5 seconds and SE 2 ft at 8 seconds. A slight chance of showers and tstms after midnight.

SAT
SW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft, subsiding to 3 to 4 ft in the afternoon. Wave Detail: SW 4 ft at 5 seconds and SE 2 ft at 8 seconds, becoming SW 3 ft at 5 seconds and SE 2 ft at 8 seconds.

SAT NIGHT
SW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 2 ft at 8 seconds. A slight chance of showers and tstms.

SUN
W 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 2 ft at 8 seconds, becoming SW 2 ft at 5 seconds and SE 2 ft at 8 seconds. A slight chance of showers in the morning, then a chance of showers with a slight chance of tstms in the afternoon.

SUN NIGHT
SW winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 8 seconds. Showers with tstms likely in the evening, then showers with a chance of tstms after midnight.

MON
N winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with a chance of tstms.

MON NIGHT
NW winds 5 to 10 kt. Seas 2 to 3 ft. Showers with a chance of tstms.

TUE
N winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms.

TUE NIGHT
N winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers and tstms.

Winds and seas higher in and near tstms.

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AMZ384-110100
Waters from Savannah GA to Altamaha Sound GA extending from 20 to 60 NM
719 AM EDT Fri Jul 10 2026

TODAY
SW winds 10 to 15 kt with gusts to 20 kt, becoming S with gusts to 20 kt late. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 3 ft at 8 seconds.

TONIGHT
SW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 5 seconds and SE 3 ft at 8 seconds.

SAT
SW winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 3 ft at 8 seconds.

SAT NIGHT
SW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and SE 3 ft at 8 seconds. A slight chance of showers and tstms.

SUN
W winds 10 to 15 kt with gusts to 20 kt, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds and SE 2 ft at 8 seconds. A chance of showers with a slight chance of tstms in the afternoon.

SUN NIGHT
SW winds 10 kt, becoming W after midnight. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 8 seconds. A chance of tstms. Showers.

MON
W winds 5 to 10 kt. Seas 2 to 3 ft. Showers likely with a chance of tstms.

MON NIGHT
W winds 5 to 10 kt. Seas 2 ft. Showers with a chance of tstms.

TUE
N winds 10 kt. Seas 2 to 3 ft. A chance of showers and tstms.

TUE NIGHT
NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms.

Winds and seas higher in and near tstms.