Station List

National Weather Service Marine Forecast FZUS52 KCHS

FZUS52 KCHS 142320
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
620 PM EST Wed Jan 14 2026

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

AMZ300-151300
620 PM EST Wed Jan 14 2026

.Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... Generally benign conditions expected across the coastal waters through the afternoon. Expect a strong cold front to cross the area tonight, yielding gusty west-northwest winds and building seas in the wake of the front this evening through Thursday night. The center of a large area of high pressure will build over the region Friday and Saturday. Another strong cold front is forecast to push across the area on Sunday.

AMZ330-151300
Charleston Harbor
620 PM EST Wed Jan 14 2026

TONIGHT
W winds 10 to 15 kt with gusts to 20 kt.

THU
NW winds 10 to 15 kt.

THU NIGHT
NW winds 10 to 15 kt with gusts to 20 kt, diminishing to 5 to 10 kt after midnight.

FRI
SW winds 5 to 10 kt.

FRI NIGHT
SW winds 5 to 10 kt.

SAT
SW winds 10 to 15 kt.

SAT NIGHT
W winds 10 kt, becoming NW after midnight. A slight chance of showers after midnight.

SUN
NW winds 10 to 15 kt. A chance of rain and snow showers.

SUN NIGHT
W winds 10 kt.

MON
W winds 10 kt.

MON NIGHT
W winds 10 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 56 degrees.

AMZ350-151300
Waters from South Santee River to Edisto Beach SC out 20 NM
620 PM EST Wed Jan 14 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING

TONIGHT
W 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: SW 4 ft at 5 seconds and SE 1 foot at 8 seconds, becoming SW 4 ft at 6 seconds and SE 1 foot at 8 seconds. A slight chance of showers after midnight.

THU
NW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 6 seconds and SE 1 foot at 8 seconds.

THU NIGHT
NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and E 1 foot at 9 seconds.

FRI
W winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 5 seconds and NE 1 foot at 7 seconds.

FRI NIGHT
SW winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 8 seconds.

SAT
SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and E 1 foot at 9 seconds.

SAT NIGHT
W winds 10 to 15 kt, becoming NW after midnight. Seas 3 to 4 ft, subsiding to 2 to 3 ft after midnight. A slight chance of showers in the evening, then a chance of showers after midnight.

SUN
NW winds 15 to 20 kt. Seas 2 to 3 ft. A chance of showers.

SUN NIGHT
NW winds 15 to 20 kt. Seas 2 to 3 ft.

MON
W winds 10 to 15 kt. Seas 2 to 3 ft.

MON NIGHT
W winds 15 to 20 kt. Seas 3 to 4 ft.

AMZ352-151300
Waters from Edisto Beach SC to Savannah GA out 20 NM
620 PM EST Wed Jan 14 2026

SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH THURSDAY EVENING

TONIGHT
W winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at 8 seconds. A slight chance of showers late.

THU
NW winds 20 to 25 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 4 seconds and SE 1 foot at 8 seconds.

THU NIGHT
NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 4 seconds and SE 1 foot at 9 seconds.

FRI
NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 1 to 2 ft. Wave Detail: NW 2 ft at 4 seconds and E 1 foot at 7 seconds, becoming SW 1 foot at 3 seconds and E 1 foot at 8 seconds.

FRI NIGHT
SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at 9 seconds.

SAT
SW winds 10 to 15 kt with gusts to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 9 seconds.

SAT NIGHT
W winds 10 to 15 kt, becoming NW with gusts to 20 kt after midnight. Seas 2 to 3 ft. A slight chance of showers in the evening, then a chance of showers after midnight.

SUN
NW winds 15 to 20 kt. Seas 2 to 3 ft. A chance of showers.

SUN NIGHT
NW winds 10 to 15 kt. Seas 2 to 3 ft.

MON
W winds 10 to 15 kt. Seas 2 to 3 ft.

MON NIGHT
W winds 10 to 15 kt. Seas 2 to 3 ft.

AMZ354-151300
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary
620 PM EST Wed Jan 14 2026

SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH THURSDAY EVENING

TONIGHT
W winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 2 ft at 8 seconds. A slight chance of showers after midnight.

THU
NW winds 20 to 25 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 4 seconds and SE 1 foot at 8 seconds.

THU NIGHT
NW winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 4 to 5 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: NW 4 ft at 4 seconds and E 1 foot at 8 seconds, becoming NW 4 ft at 4 seconds and E 1 foot at 9 seconds.

FRI
NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 1 to 2 ft. Wave Detail: NW 2 ft at 4 seconds and NE 1 foot at 8 seconds, becoming SW 1 foot at 2 seconds and NE 1 foot at 7 seconds.

FRI NIGHT
SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and E 1 foot at 8 seconds.

SAT
SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and E 1 foot at 9 seconds.

SAT NIGHT
W winds 10 to 15 kt, becoming NW 15 to 20 kt after midnight. Seas 2 to 3 ft. A slight chance of showers in the evening, then a chance of showers after midnight.

SUN
NW winds 15 to 20 kt. Seas 2 to 3 ft. A chance of showers.

SUN NIGHT
NW winds 15 to 20 kt. Seas 2 to 3 ft.

MON
W winds 10 to 15 kt. Seas 2 ft.

MON NIGHT
W winds 10 to 15 kt. Seas 2 to 3 ft.

AMZ374-151300
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM
620 PM EST Wed Jan 14 2026

SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH LATE THURSDAY NIGHT

TONIGHT
W winds 15 to 20 kt with gusts to 25 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 5 seconds and E 2 ft at 8 seconds. A chance of showers early this evening. A slight chance of showers after midnight, then a chance of showers late.

THU
NW winds 20 to 25 kt with gusts to 30 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 5 seconds and SE 1 foot at 8 seconds.

THU NIGHT
NW winds 20 to 25 kt with gusts to 30 kt. Seas 5 to 7 ft, subsiding to 4 to 6 ft after midnight. Wave Detail: NW 7 ft at 6 seconds and E 1 foot at 9 seconds, becoming NW 6 ft at 6 seconds and E 1 foot at 9 seconds.

FRI
NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 3 to 4 ft, subsiding to 2 ft in the afternoon. Wave Detail: NW 3 ft at 5 seconds and E 1 foot at 9 seconds, becoming NW 2 ft at 4 seconds and E 1 foot at 8 seconds.

FRI NIGHT
SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 8 seconds.

SAT
SW winds 10 to 15 kt with gusts to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and E 1 foot at 9 seconds.

SAT NIGHT
W winds 10 to 15 kt, becoming NW 15 to 20 kt after midnight. Seas 2 to 3 ft, building to 3 to 4 ft after midnight. A slight chance of showers in the evening, then a chance of showers after midnight.

SUN
NW winds 15 to 20 kt. Seas 4 to 5 ft. A chance of showers.

SUN NIGHT
NW winds 15 to 20 kt. Seas 4 to 5 ft.

MON
W winds 10 to 15 kt. Seas 3 to 4 ft.

MON NIGHT
W winds 15 to 20 kt. Seas 3 to 4 ft.