National Weather Service Marine Forecast FZUS52 KCHS

FZUS52 KCHS 020624
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
224 AM EDT Fri Oct 2 2026

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

AMZ300-022000
224 AM EDT Fri Oct 2 2026

.Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... High pressure will extend across the region into the weekend. A cold front will push through the waters Monday, with another high pressure building in mid-week causing increasing winds and seas.

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AMZ340-022000
Charleston Harbor
224 AM EDT Fri Oct 2 2026

REST OF TONIGHT
SE winds 5 kt.

FRI
SE winds 5 kt, increasing to 5 to 10 kt in the afternoon. Patchy fog in the morning with vsby 1 NM or less.

FRI NIGHT
S winds 5 kt. A slight chance of showers and tstms after midnight.

SAT
S winds 5 kt. A chance of showers with a slight chance of tstms in the morning, then showers likely with a chance of tstms in the afternoon.

SAT NIGHT
SE winds 5 kt. A chance of tstms. A chance of showers in the evening, then showers likely after midnight.

SUN
SE winds 5 kt. Showers likely with a slight chance of tstms in the morning, then showers with a chance of tstms in the afternoon.

SUN NIGHT
SW winds 5 kt, becoming N after midnight. Showers. A chance of tstms, mainly in the evening.

MON
N winds 5 to 10 kt. Showers with a slight chance of tstms.

MON NIGHT
NE winds 10 to 15 kt. A chance of showers.

TUE
NE winds 15 to 20 kt. Waves 1 to 2 ft. A chance of showers.

TUE NIGHT
NE winds 15 to 20 kt. Waves 1 to 2 ft. A chance of showers.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 79 degrees.

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AMZ360-022000
Coastal waters from South Santee River to Edisto Beach SC out 20 NM
224 AM EDT Fri Oct 2 2026

REST OF TONIGHT
SE winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at 11 seconds and SE 1 foot at 4 seconds.

FRI
SE winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at 11 seconds and SE 1 foot at 4 seconds. Patchy fog in the morning with vsby 1 NM or less.

FRI NIGHT
S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 11 seconds and S 1 foot at 4 seconds. A slight chance of showers and tstms after midnight.

SAT
S winds 5 kt. Seas 2 ft. Wave Detail: SE 2 ft at 6 seconds and E 2 ft at 12 seconds. A chance of showers with a slight chance of tstms.

SAT NIGHT
SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and E 1 foot at 11 seconds. A chance of tstms. A chance of showers in the evening, then showers likely after midnight.

SUN
SE winds 5 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and E 1 foot at 11 seconds. Showers likely with a slight chance of tstms in the morning, then showers with a chance of tstms in the afternoon.

SUN NIGHT
S winds 5 kt, becoming NW after midnight. Seas 2 ft. Showers with a chance of tstms.

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

MON NIGHT
NE winds 20 to 25 kt. Seas 4 to 5 ft. A chance of showers.

TUE
NE winds 25 to 30 kt. Seas 6 to 8 ft. A chance of showers.

TUE NIGHT
NE winds 25 to 30 kt. Seas 7 to 9 ft. A chance of showers.

Winds and seas higher in and near tstms.

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AMZ362-022000
Coastal waters from Edisto Beach SC to Savannah GA out 20 NM
224 AM EDT Fri Oct 2 2026

REST OF TONIGHT
SE winds 5 kt. Seas 2 ft. Wave Detail: SE 1 foot at 3 seconds and SE 1 foot at 12 seconds.

FRI
SE winds 5 kt. Seas 2 ft. Wave Detail: SE 1 foot at 3 seconds and E 1 foot at 12 seconds.

FRI NIGHT
S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 11 seconds and SE 1 foot at 4 seconds. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight.

SAT
SE winds 5 kt. Seas 2 ft. Wave Detail: SE 2 ft at 6 seconds and E 2 ft at 12 seconds. A chance of showers with a slight chance of tstms.

SAT NIGHT
SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 7 seconds and E 1 foot at 12 seconds. A chance of tstms. A chance of showers in the evening, then showers likely after midnight.

SUN
SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 7 seconds and E 1 foot at 11 seconds. Showers likely with a slight chance of tstms in the morning, then showers with a chance of tstms in the afternoon.

SUN NIGHT
S winds 5 kt, becoming NW after midnight. Seas 2 ft. Showers with a chance of tstms.

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

MON NIGHT
NE winds 20 to 25 kt. Seas 3 to 4 ft. Showers likely.

TUE
NE winds 25 to 35 kt. Seas 6 to 8 ft. Showers likely.

TUE NIGHT
NE winds 30 to 35 kt. Seas 7 to 9 ft. A chance of showers.

Winds and seas higher in and near tstms.

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AMZ364-022000
Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm, including Grays Reef National Marine Sanctuary
224 AM EDT Fri Oct 2 2026

REST OF TONIGHT
SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 1 foot at 3 seconds and SE 1 foot at 12 seconds.

FRI
SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 1 foot at 4 seconds and E 1 foot at 12 seconds. A slight chance of showers. A slight chance of tstms in the afternoon.

FRI NIGHT
SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 4 seconds and E 1 foot at 11 seconds. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight.

SAT
SE winds 5 kt. Seas 2 ft. Wave Detail: SE 2 ft at 6 seconds and E 2 ft at 11 seconds. Showers likely with a chance of tstms in the morning, then a chance of showers with a slight chance of tstms in the afternoon.

SAT NIGHT
SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 7 seconds and E 1 foot at 11 seconds. Showers likely. A slight chance of tstms in the evening, then a chance of tstms after midnight.

SUN
SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 7 seconds and E 1 foot at 11 seconds. Showers likely with a slight chance of tstms.

SUN NIGHT
SE winds 5 kt, becoming NE after midnight. Seas 2 ft. Showers with a chance of tstms.

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

MON NIGHT
NE winds 20 to 25 kt. Seas 3 to 4 ft. Showers likely with a slight chance of tstms.

TUE
NE winds 25 to 35 kt. Seas 6 to 8 ft. Showers likely.

TUE NIGHT
NE winds 30 to 35 kt. Seas 7 to 9 ft. Showers likely.

Winds and seas higher in and near tstms.

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AMZ380-022000
Waters from South Santee River SC to Edisto Beach SC extending from 20 to 60 NM
224 AM EDT Fri Oct 2 2026

REST OF TONIGHT
SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 10 seconds and E 1 foot at 4 seconds.

FRI
S winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at 10 seconds and SE 1 foot at 3 seconds.

FRI NIGHT
S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 10 seconds. A slight chance of showers and tstms after midnight.

SAT
S winds 5 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 6 seconds and E 2 ft at 12 seconds. A chance of showers with a slight chance of tstms.

SAT NIGHT
SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and E 2 ft at 11 seconds. A chance of tstms. A chance of showers in the evening, then showers likely after midnight.

SUN
SE winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 2 ft at 7 seconds and E 2 ft at 11 seconds. Showers likely. A slight chance of tstms in the morning, then a chance of tstms in the afternoon.

SUN NIGHT
S winds 5 kt, becoming W after midnight. Seas 2 to 3 ft. A chance of tstms. Showers.

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

MON NIGHT
NE winds 20 to 25 kt. Seas 4 to 6 ft. Showers likely with a slight chance of tstms.

TUE
NE winds 25 to 35 kt. Seas 8 to 10 ft. Showers likely.

TUE NIGHT
NE winds 25 to 30 kt. Seas 9 to 12 ft. A chance of showers.

Winds and seas higher in and near tstms.

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AMZ382-022000
Waters from Edisto Beach SC to Savannah GA extending from 20 to 60 NM
224 AM EDT Fri Oct 2 2026

REST OF TONIGHT
SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 11 seconds and SE 1 foot at 3 seconds.

FRI
SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 4 seconds and E 2 ft at 11 seconds.

FRI NIGHT
S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and E 2 ft at 11 seconds. A chance of showers and tstms after midnight.

SAT
SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and E 2 ft at 12 seconds. Showers likely with a chance of tstms in the morning, then a chance of showers with a slight chance of tstms in the afternoon.

SAT NIGHT
SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 7 seconds and E 2 ft at 11 seconds. Showers likely with a chance of tstms.

SUN
SE winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at 7 seconds and E 2 ft at 11 seconds. A slight chance of tstms. Showers.

SUN NIGHT
S winds 5 kt, becoming W after midnight. Seas 2 to 3 ft. A chance of tstms. Showers.

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

MON NIGHT
NE winds 20 to 25 kt. Seas 4 to 6 ft. Showers with a slight chance of tstms.

TUE
NE winds 25 to 35 kt. Seas 8 to 10 ft. Showers likely.

TUE NIGHT
NE winds 30 to 35 kt. Seas 9 to 12 ft. Showers likely.

Winds and seas higher in and near tstms.

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AMZ384-022000
Waters from Savannah GA to Altamaha Sound GA extending from 20 to 60 NM
224 AM EDT Fri Oct 2 2026

REST OF TONIGHT
SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 3 seconds and SE 2 ft at 12 seconds.

FRI
SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and E 2 ft at 11 seconds. A slight chance of showers and tstms in the afternoon.

FRI NIGHT
SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 4 seconds and E 2 ft at 11 seconds. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight.

SAT
SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 6 seconds and E 2 ft at 11 seconds. Showers likely with a chance of tstms in the morning, then a chance of showers with a slight chance of tstms in the afternoon.

SAT NIGHT
SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and E 2 ft at 12 seconds. Showers likely. A slight chance of tstms in the evening, then a chance of tstms after midnight.

SUN
SE winds 5 to 10 kt. Seas 3 ft. Wave Detail: SE 3 ft at 7 seconds and E 2 ft at 11 seconds. Showers likely with a slight chance of tstms.

SUN NIGHT
SE winds 5 kt, becoming NW after midnight. Seas 2 to 3 ft. A chance of tstms. Showers.

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

MON NIGHT
NE winds 20 to 25 kt. Seas 4 to 5 ft. Showers with a slight chance of tstms.

TUE
NE winds 25 to 35 kt. Seas 7 to 9 ft. Showers with a slight chance of tstms.

TUE NIGHT
NE winds 30 to 35 kt. Seas 10 to 12 ft. Showers likely.

Winds and seas higher in and near tstms.