Station List

National Weather Service Marine Forecast FZUS52 KCHS

FZUS52 KCHS 072139
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
539 PM EDT Thu May 7 2026

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

AMZ300-081100
539 PM EDT Thu May 7 2026

.Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... A cold front will move through late tonight, then lift back north and stall over the region Friday through the weekend. Another cold front will sweep through early next week.

AMZ340-081100
Charleston Harbor
539 PM EDT Thu May 7 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING

TONIGHT
SW winds 10 to 15 kt with gusts to 25 kt, becoming W 5 to 10 kt late this evening, then becoming NW after midnight, becoming N late. A chance of showers and tstms early this evening.

FRI
NE winds 10 kt, becoming E in the afternoon.

FRI NIGHT
SE winds 5 to 10 kt.

SAT
S winds 5 to 10 kt. Showers. A chance of tstms in the afternoon.

SAT NIGHT
SW winds 5 to 10 kt. A slight chance of tstms. Showers likely, mainly in the evening.

SUN
SW winds 5 to 10 kt. Showers likely. A chance of tstms in the afternoon.

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

MON
W winds 5 to 10 kt. Showers likely with a chance of tstms.

MON NIGHT
N winds 5 to 10 kt. A slight chance of showers.

TUE
NE winds 10 kt.

TUE NIGHT
SE winds 5 to 10 kt.

Winds and waves higher in and near tstms.

AMZ360-081100
Coastal waters from South Santee River to Edisto Beach SC out 20 NM
539 PM EDT Thu May 7 2026

TONIGHT
SW winds 15 to 20 kt, becoming W 10 to 15 kt late this evening, then becoming NW after midnight, becoming N late. Seas 4 to 5 ft, subsiding to 2 to 3 ft after midnight. Wave Detail: SE 5 ft at 7 seconds, becoming W 3 ft at 5 seconds and SE 1 foot at 7 seconds. A chance of showers and tstms early this evening.

FRI
NE winds 10 to 15 kt with gusts to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 5 seconds and S 2 ft at 6 seconds.

FRI NIGHT
SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 6 seconds.

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

SAT NIGHT
SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and E 2 ft at 8 seconds. A slight chance of tstms. A chance of showers in the evening, then showers likely after midnight.

SUN
SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 5 seconds and E 2 ft at 9 seconds. Showers likely with a slight chance of tstms.

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

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

MON NIGHT
N winds 15 to 20 kt. Seas 3 to 4 ft. A slight chance of showers and tstms.

TUE
NE winds 15 to 20 kt. Seas 4 to 5 ft.

TUE NIGHT
SE winds 5 to 10 kt. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.

AMZ362-081100
Coastal waters from Edisto Beach SC to Savannah GA out 20 NM
539 PM EDT Thu May 7 2026

TONIGHT
SW winds 10 to 15 kt with gusts to 20 kt, becoming N with gusts to 20 kt late. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds. A chance of showers and tstms early this evening, then a slight chance of showers and tstms late this evening.

FRI
NE winds 10 to 15 kt with gusts to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 6 seconds and S 2 ft at 5 seconds.

FRI NIGHT
SE winds 10 kt, diminishing to 5 kt after midnight. Seas 2 ft. Wave Detail: SE 2 ft at 6 seconds.

SAT
S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds. Showers. A chance of tstms in the afternoon.

SAT NIGHT
SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 8 seconds and S 1 foot at 4 seconds. A chance of tstms. Showers.

SUN
SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: S 2 ft at 5 seconds and E 2 ft at 8 seconds. Showers likely. A slight chance of tstms in the morning, then a chance of tstms in the afternoon.

SUN NIGHT
SW winds 5 to 10 kt. Seas 2 ft. A chance of tstms. Showers likely, mainly in the evening.

MON
W winds 10 kt. Seas 2 ft. A chance of showers and tstms.

MON NIGHT
N winds 15 to 20 kt. Seas 3 to 4 ft. A slight chance of showers.

TUE
NE winds 15 to 20 kt. Seas 4 to 5 ft.

TUE NIGHT
E winds 5 to 10 kt. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.

AMZ364-081100
Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm, including Grays Reef National Marine Sanctuary
539 PM EDT Thu May 7 2026

TONIGHT
SW winds 10 kt, becoming N late. Seas 2 ft. Wave Detail: SE 2 ft at 6 seconds. A slight chance of showers and tstms early this evening, then a slight chance of showers late this evening.

FRI
NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 6 seconds.

FRI NIGHT
E winds 10 kt, becoming SE after midnight. Seas 2 ft. Wave Detail: E 2 ft at 6 seconds.

SAT
S winds 5 to 10 kt. Seas 2 ft. Wave Detail: NE 2 ft at 6 seconds. Showers in the morning, then showers with a chance of tstms in the afternoon.

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

SUN
SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: SE 2 ft at 5 seconds and E 2 ft at 8 seconds. Showers likely. A slight chance of tstms in the morning, then a chance of tstms in the afternoon.

SUN NIGHT
SW winds 5 to 10 kt. Seas 2 ft. A chance of tstms. Showers likely, mainly in the evening.

MON
W winds 10 kt. Seas 2 ft. A chance of showers and tstms.

MON NIGHT
N winds 20 to 25 kt. Seas 3 to 4 ft.

TUE
NE winds 20 to 25 kt. Seas 4 to 5 ft.

TUE NIGHT
E winds 10 to 15 kt. Seas 3 to 4 ft.

Winds and seas higher in and near tstms.

AMZ380-081100
Waters from South Santee River SC to Edisto Beach SC extending from 20 to 60 NM
539 PM EDT Thu May 7 2026

TONIGHT
SW winds 15 to 20 kt, becoming N late. Seas 4 to 6 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: SW 5 ft at 6 seconds and E 2 ft at 7 seconds, becoming W 3 ft at 5 seconds and E 2 ft at 7 seconds. A slight chance of showers and tstms this evening.

FRI
NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: SE 3 ft at 6 seconds and NE 3 ft at 7 seconds.

FRI NIGHT
E winds 5 to 10 kt, becoming SE after midnight. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 6 seconds and SE 1 foot at 5 seconds.

SAT
S winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and S 2 ft at 4 seconds. Showers. A slight chance of tstms in the morning, then a chance of tstms in the afternoon.

SAT NIGHT
SW winds 10 to 15 kt. Seas 3 ft. Wave Detail: S 3 ft at 5 seconds and E 2 ft at 8 seconds. A chance of tstms. Showers.

SUN
SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and E 2 ft at 9 seconds. Showers likely. A slight chance of tstms in the morning, then a chance of tstms in the afternoon.

SUN NIGHT
SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of tstms. A chance of showers in the evening, then showers likely after midnight.

MON
W winds 10 to 15 kt. Seas 3 ft. A chance of showers and tstms.

MON NIGHT
N winds 20 to 25 kt. Seas 4 to 6 ft. A chance of showers with a slight chance of tstms.

TUE
NE winds 20 to 25 kt. Seas 5 to 7 ft.

TUE NIGHT
E winds 10 to 15 kt. Seas 4 to 5 ft.

Winds and seas higher in and near tstms.

AMZ382-081100
Waters from Edisto Beach SC to Savannah GA extending from 20 to 60 NM
539 PM EDT Thu May 7 2026

TONIGHT
SW winds 10 to 15 kt, becoming N late. Seas 3 to 4 ft, subsiding to 2 to 3 ft after midnight. Wave Detail: SW 3 ft at 5 seconds and E 2 ft at 7 seconds, becoming W 3 ft at 4 seconds and E 2 ft at 7 seconds. A slight chance of showers and tstms early this evening.

FRI
NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: S 3 ft at 5 seconds and NE 3 ft at 7 seconds.

FRI NIGHT
E winds 10 kt, becoming SE after midnight. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 6 seconds and SE 1 foot at 6 seconds.

SAT
S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and NE 2 ft at 8 seconds. Showers likely in the morning, then showers with a chance of tstms in the afternoon.

SAT NIGHT
SW winds 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. A chance of tstms. Showers.

SUN
SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and E 2 ft at 8 seconds. Showers likely. A slight chance of tstms in the morning, then a chance of tstms in the afternoon.

SUN NIGHT
SW winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 to 3 ft. A chance of showers and tstms.

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

MON NIGHT
N winds 20 to 25 kt. Seas 4 to 5 ft. A slight chance of showers and tstms.

TUE
NE winds 20 to 25 kt. Seas 5 to 7 ft.

TUE NIGHT
E winds 10 to 15 kt. Seas 4 to 5 ft.

Winds and seas higher in and near tstms.

AMZ384-081100
Waters from Savannah GA to Altamaha Sound GA extending from 20 to 60 NM
539 PM EDT Thu May 7 2026

TONIGHT
SW winds 10 kt, becoming NW with gusts to 20 kt late. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 6 seconds. A slight chance of showers and tstms early this evening.

FRI
NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds.

FRI NIGHT
E winds 10 kt, becoming SE after midnight. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 6 seconds and SE 1 foot at 6 seconds.

SAT
S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 7 seconds. Showers. A chance of tstms in the afternoon.

SAT NIGHT
SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds. A chance of tstms. Showers.

SUN
SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and E 2 ft at 8 seconds. Showers likely. A slight chance of tstms in the morning, then a chance of tstms in the afternoon.

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

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

MON NIGHT
N winds 15 to 20 kt. Seas 3 to 4 ft. A slight chance of showers and tstms.

TUE
NE winds 20 to 25 kt. Seas 5 to 7 ft.

TUE NIGHT
E winds 10 to 15 kt. Seas 4 to 6 ft.

Winds and seas higher in and near tstms.