National Weather Service Marine Forecast FZUS52 KCHS

FZUS52 KCHS 210013
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
813 PM EDT Mon May 20 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

AMZ300-211315
813 PM EDT Mon May 20 2024

.Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... High pressure will persist for most of this week. A series of upper level disturbances should impact our area this weekend.


AMZ330-211315
Charleston Harbor
813 PM EDT Mon May 20 2024

TONIGHT
E winds 10 to 15 kt, becoming NE 5 to 10 kt after midnight.

TUE
NE winds 5 to 10 kt, becoming E 10 to 15 kt in the afternoon.

TUE NIGHT
E winds 5 to 10 kt in the evening, becoming light and variable.

WED
NE winds 5 kt, becoming E 10 kt in the afternoon.

WED NIGHT
SE winds 5 to 10 kt, becoming S after midnight.

THU
SW winds 5 to 10 kt.

THU NIGHT
S winds 5 to 10 kt.

FRI
SW winds 10 to 15 kt.

FRI NIGHT
S winds 10 to 15 kt. A slight chance of showers and tstms.

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

SAT NIGHT
SW winds 10 to 15 kt. A slight 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 75 degrees.


AMZ350-211315
Waters from South Santee River to Edisto Beach SC out 20 NM
813 PM EDT Mon May 20 2024

TONIGHT
NE winds 15 to 20 kt, diminishing to 10 to 15 kt late. Seas 4 to 5 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: E 5 ft at 7 seconds, becoming E 4 ft at 8 seconds.

TUE
NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds and SE 1 foot at 10 seconds.

TUE NIGHT
E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at 10 seconds.

WED
NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 10 seconds.

WED NIGHT
S winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at 9 seconds.

THU
SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 9 seconds and SW 1 foot at 2 seconds.

THU NIGHT
S winds 10 kt. Seas 2 ft.

FRI
SW winds 10 kt. Seas 2 ft.

FRI NIGHT
S winds 10 kt. Seas 2 ft. A slight chance of showers and tstms.

SAT
SW winds 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms.

SAT NIGHT
SW winds 10 kt. Seas 3 ft. A chance of showers and tstms.

Winds and seas higher in and near tstms.


AMZ352-211315
Waters from Edisto Beach SC to Savannah GA out 20 NM
813 PM EDT Mon May 20 2024

TONIGHT
NE winds 15 kt. Seas 4 to 5 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: E 4 ft at 7 seconds.

TUE
NE winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds.

TUE NIGHT
E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at 10 seconds.

WED
NE winds 5 kt. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 10 seconds.

WED NIGHT
S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 10 seconds.

THU
SW winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 9 seconds.

THU NIGHT
S winds 5 to 10 kt. Seas 2 ft.

FRI
SW winds 5 to 10 kt. Seas 2 ft.

FRI NIGHT
S winds 10 kt. Seas 2 ft. A slight chance of showers and tstms.

SAT
SW winds 10 kt. Seas 2 ft. A slight chance of showers and tstms.

SAT NIGHT
S winds 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms.

Winds and seas higher in and near tstms.


AMZ354-211315
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary
813 PM EDT Mon May 20 2024

TONIGHT
NE winds 15 kt. Seas 4 to 5 ft, subsiding to 3 to 4 ft after midnight. Wave Detail: E 4 ft at 7 seconds.

TUE
NE winds 10 to 15 kt with gusts to 20 kt. Seas 3 to 4 ft. Wave Detail: E 4 ft at 7 seconds.

TUE NIGHT
E winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds.

WED
NE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 10 seconds.

WED NIGHT
SE winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 7 seconds and SE 1 foot at 10 seconds.

THU
S winds 5 to 10 kt. Seas 2 ft. Wave Detail: E 2 ft at 8 seconds.

THU NIGHT
S winds 10 kt. Seas 2 to 3 ft.

FRI
S winds 5 to 10 kt. Seas 2 ft.

FRI NIGHT
S winds 10 kt. Seas 2 ft.

SAT
SW winds 10 kt. Seas 2 ft. A slight chance of showers and tstms.

SAT NIGHT
S winds 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms.

Winds and seas higher in and near tstms.


AMZ374-211315
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM
813 PM EDT Mon May 20 2024

SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING

TONIGHT
NE winds 15 to 20 kt. Seas 5 to 6 ft, subsiding to 4 to 5 ft after midnight. Wave Detail: NE 6 ft at 7 seconds, becoming NE 5 ft at 7 seconds.

TUE
NE winds 10 to 15 kt with gusts to 20 kt. Seas 4 to 5 ft. Wave Detail: NE 5 ft at 7 seconds.

TUE NIGHT
E winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NE 4 ft at 7 seconds and SE 1 foot at 10 seconds. A slight chance of showers after midnight.

WED
NE winds 5 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at 10 seconds.

WED NIGHT
SE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 7 seconds and SE 1 foot at 10 seconds.

THU
S winds 5 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 8 seconds and SE 1 foot at 10 seconds.

THU NIGHT
S winds 5 to 10 kt. Seas 2 to 3 ft.

FRI
SW winds 5 to 10 kt. Seas 2 to 3 ft.

FRI NIGHT
S winds 10 kt. Seas 2 to 3 ft.

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

SAT NIGHT
S winds 10 kt. Seas 3 to 4 ft. A slight chance of showers and tstms.

Winds and seas higher in and near tstms.