National Weather Service Marine Forecast FZUS52 KCHS

FZUS52 KCHS 210543
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1243 AM EST Thu Nov 21 2024

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

AMZ300-211815
1243 AM EST Thu Nov 21 2024

.Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... A strong cold front will push farther offshore tonight. Canadian high pressure will build across the area Thursday and will remain the primary feature through early next week.


AMZ330-211815
Charleston Harbor
1243 AM EST Thu Nov 21 2024

SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON

REST OF TONIGHT
NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.

THU
W winds 15 to 20 kt with gusts to 25 kt. Waves 1 to 2 ft.

THU NIGHT
W winds 15 to 20 kt with gusts to 25 kt. Waves 1 to 2 ft.

FRI
W winds 15 to 20 kt with gusts to 25 kt. Waves 1 to 2 ft.

FRI NIGHT
W winds 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Waves 1 to 2 ft.

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

SAT NIGHT
W winds 10 to 15 kt with gusts to 20 kt, diminishing to 5 to 10 kt after midnight.

SUN
W winds 5 to 10 kt.

SUN NIGHT
W winds 5 to 10 kt.

MON
W winds 5 to 10 kt.

MON NIGHT
SW winds 10 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 68 degrees.


AMZ350-211815
Waters from South Santee River to Edisto Beach SC out 20 NM
1243 AM EST Thu Nov 21 2024

SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING

REST OF TONIGHT
NW winds 20 to 25 kt with gusts to 30 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 5 seconds and SE 1 foot at 10 seconds.

THU
NW winds 15 to 20 kt, becoming W 20 to 25 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 5 seconds and E 1 foot at 10 seconds.

THU NIGHT
W winds 20 to 25 kt with gusts to 30 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 5 seconds and E 1 foot at 9 seconds.

FRI
W winds 20 to 25 kt with gusts to 30 kt. Seas 4 to 5 ft, subsiding to 3 to 4 ft in the afternoon. Wave Detail: W 5 ft at 6 seconds and SE 1 foot at 10 seconds, becoming W 4 ft at 5 seconds and SE 1 foot at 9 seconds.

FRI NIGHT
NW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 5 seconds and SE 1 foot at 9 seconds.

SAT
NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds.

SAT NIGHT
W winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 ft.

SUN
W winds 5 to 10 kt. Seas 2 ft.

SUN NIGHT
W winds 10 kt. Seas 2 ft.

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

MON NIGHT
SW winds 10 to 15 kt. Seas 2 ft.


AMZ352-211815
Waters from Edisto Beach SC to Savannah GA out 20 NM
1243 AM EST Thu Nov 21 2024

SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING

REST OF TONIGHT
NW winds 20 to 25 kt with gusts to 35 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 4 seconds and E 1 foot at 11 seconds.

THU
NW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 4 seconds and E 1 foot at 10 seconds.

THU NIGHT
W winds 20 to 25 kt with gusts to 30 kt. Seas 3 to 4 ft, building to 4 to 5 ft after midnight. Wave Detail: W 4 ft at 5 seconds and E 1 foot at 10 seconds.

FRI
W winds 20 to 25 kt with gusts to 30 kt. Seas 4 to 5 ft, subsiding to 3 to 4 ft in the afternoon. Wave Detail: W 4 ft at 5 seconds and E 1 foot at 10 seconds, becoming W 4 ft at 4 seconds and SE 1 foot at 10 seconds.

FRI NIGHT
NW winds 15 to 20 kt with gusts to 25 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 4 seconds and SE 1 foot at 9 seconds.

SAT
NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds.

SAT NIGHT
W winds 10 kt. Seas 2 ft.

SUN
W winds 5 to 10 kt. Seas 1 foot or less.

SUN NIGHT
W winds 10 kt. Seas 1 foot or less.

MON
W winds 5 to 10 kt. Seas 1 foot or less.

MON NIGHT
SW winds 10 to 15 kt. Seas 2 ft.


AMZ354-211815
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary
1243 AM EST Thu Nov 21 2024

SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING

REST OF TONIGHT
NW winds 20 to 25 kt with gusts to 35 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 4 seconds and E 1 foot at 11 seconds.

THU
NW winds 20 to 25 kt, becoming W 15 to 20 kt in the afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. Wave Detail: NW 4 ft at 4 seconds and E 1 foot at 11 seconds, becoming W 3 ft at 4 seconds and NE 1 foot at 8 seconds.

THU NIGHT
W winds 20 kt with gusts to 25 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 4 seconds and E 1 foot at 9 seconds.

FRI
W winds 20 kt with gusts to 25 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 4 seconds and E 1 foot at 10 seconds.

FRI NIGHT
NW winds 15 to 20 kt with gusts to 25 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds and E 1 foot at 10 seconds.

SAT
NW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 4 seconds.

SAT NIGHT
W winds 10 kt. Seas 2 ft.

SUN
W winds 5 to 10 kt. Seas 1 foot or less.

SUN NIGHT
W winds 10 kt. Seas 1 foot or less.

MON
W winds 5 to 10 kt. Seas 1 foot or less.

MON NIGHT
SW winds 10 kt. Seas 1 foot or less.


AMZ374-211815
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM
1243 AM EST Thu Nov 21 2024

GALE WARNING IN EFFECT UNTIL 7 AM EST THIS MORNING

REST OF TONIGHT
NW winds 25 to 30 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 5 seconds and E 1 foot at 11 seconds.

THU
NW winds 20 to 25 kt with gusts to 30 kt. Seas 4 to 6 ft, subsiding to 4 to 5 ft in the afternoon. Wave Detail: NW 6 ft at 5 seconds and E 1 foot at 10 seconds, becoming NW 5 ft at 5 seconds and NE 1 foot at 10 seconds.

THU NIGHT
W winds 20 to 25 kt with gusts to 30 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at 5 seconds and E 1 foot at 10 seconds.

FRI
W winds 20 to 25 kt with gusts to 30 kt. Seas 4 to 6 ft. Wave Detail: W 6 ft at 5 seconds and E 1 foot at 10 seconds.

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

SAT
NW winds 10 to 15 kt. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the afternoon. Wave Detail: NW 4 ft at 5 seconds and E 1 foot at 9 seconds, becoming NW 3 ft at 4 seconds and E 1 foot at 11 seconds.

SAT NIGHT
NW winds 10 to 15 kt. Seas 2 ft.

SUN
W winds 5 to 10 kt. Seas 2 ft.

SUN NIGHT
W winds 5 to 10 kt. Seas 2 ft.

MON
W winds 5 to 10 kt. Seas 2 ft.

MON NIGHT
SW winds 10 to 15 kt. Seas 2 ft.