Station List

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National Weather Service Marine Forecast FZUS52 KCHS

FZUS52 KCHS 281415
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1015 AM EDT Fri Mar 28 2025

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

AMZ300-290315
1015 AM EDT Fri Mar 28 2025

.Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... Dry, high pressure will prevail through Saturday, then rain and thunderstorm chances increase into Sunday and Monday followed by a strong cold front Monday evening.

AMZ330-290315
Charleston Harbor
1015 AM EDT Fri Mar 28 2025

REST OF TODAY
E winds 10 to 15 kt, becoming S late.

TONIGHT
S winds 5 to 10 kt.

SAT
SE winds 5 kt, increasing to 10 kt in the afternoon.

SAT NIGHT
SE winds 5 kt.

SUN
SE winds 5 kt, becoming S in the afternoon. A slight chance of showers in the morning, then a chance of showers in the afternoon.

SUN NIGHT
S winds 5 to 10 kt. A chance of showers.

MON
S winds 10 kt. A chance of showers with a slight chance of tstms.

MON NIGHT
SW winds 10 kt. Showers likely with a slight chance of tstms.

TUE
W winds 5 to 10 kt.

TUE NIGHT
E winds 5 to 10 kt.

Winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 62 degrees.

AMZ350-290315
Waters from South Santee River to Edisto Beach SC out 20 NM
1015 AM EDT Fri Mar 28 2025

REST OF TODAY
E winds 10 to 15 kt, becoming SE. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 8 seconds and E 2 ft at 5 seconds. A slight chance of showers late.

TONIGHT
S winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft, building to 3 to 4 ft after midnight. Wave Detail: SE 3 ft at 8 seconds and NE 1 foot at 4 seconds, becoming SE 3 ft at 8 seconds.

SAT
SE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds.

SAT NIGHT
SE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds.

SUN
S winds 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: SE 5 ft at 9 seconds. A slight chance of showers in the morning, then a chance of showers in the afternoon.

SUN NIGHT
S winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: SE 5 ft at 9 seconds. A chance of showers in the evening, then showers likely after midnight.

MON
SW winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers and tstms.

MON NIGHT
SW winds 10 to 15 kt. Seas 4 to 6 ft. Showers likely with a slight chance of tstms.

TUE
W winds 10 to 15 kt. Seas 4 to 5 ft.

TUE NIGHT
E winds 10 kt. Seas 3 to 4 ft. A slight chance of showers.

Winds and seas higher in and near tstms.

AMZ352-290315
Waters from Edisto Beach SC to Savannah GA out 20 NM
1015 AM EDT Fri Mar 28 2025

REST OF TODAY
E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 5 seconds and SE 2 ft at 8 seconds.

TONIGHT
SE winds 5 to 10 kt. Seas 2 to 3 ft, building to 3 to 4 ft after midnight. Wave Detail: SE 3 ft at 8 seconds and E 2 ft at 5 seconds, becoming SE 3 ft at 8 seconds and NE 1 foot at 5 seconds.

SAT
SE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds.

SAT NIGHT
SE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds.

SUN
SE winds 10 kt. Seas 4 to 5 ft. Wave Detail: SE 5 ft at 9 seconds. A chance of showers.

SUN NIGHT
S winds 10 kt. Seas 4 to 5 ft. Wave Detail: SE 5 ft at 9 seconds. A chance of showers.

MON
S winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers and tstms.

MON NIGHT
SW winds 10 to 15 kt. Seas 4 to 5 ft. Showers likely with a slight chance of tstms.

TUE
SW winds 10 kt. Seas 3 to 4 ft.

TUE NIGHT
E winds 10 kt. Seas 3 to 4 ft. A slight chance of showers.

Winds and seas higher in and near tstms.

AMZ354-290315
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including Grays Reef National Marine Sanctuary
1015 AM EDT Fri Mar 28 2025

REST OF TODAY
NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 7 seconds.

TONIGHT
SE winds 5 to 10 kt. Seas 2 to 3 ft, building to 3 to 4 ft after midnight. Wave Detail: E 2 ft at 5 seconds and SE 2 ft at 8 seconds, becoming SE 3 ft at 8 seconds and E 2 ft at 5 seconds.

SAT
SE winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds and NE 1 foot at 4 seconds.

SAT NIGHT
SE winds 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds. A slight chance of showers after midnight.

SUN
SE winds 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds. A chance of showers. A slight chance of tstms in the afternoon.

SUN NIGHT
S winds 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 9 seconds. A slight chance of tstms in the evening. A chance of showers.

MON
S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms.

MON NIGHT
SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms.

TUE
SW winds 10 kt. Seas 3 to 4 ft. A slight chance of showers.

TUE NIGHT
SE winds 10 kt. Seas 3 ft. A slight chance of showers.

Winds and seas higher in and near tstms.

AMZ374-290315
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM
1015 AM EDT Fri Mar 28 2025

REST OF TODAY
NE winds around 10 kt, becoming SE late. Seas 2 to 3 ft, building to 3 to 4 ft this afternoon. Wave Detail: E 2 ft at 7 seconds, becoming NE 2 ft at 5 seconds and SE 2 ft at 8 seconds.

TONIGHT
SE winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: E 4 ft at 7 seconds.

SAT
SE winds 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: SE 5 ft at 8 seconds.

SAT NIGHT
SE winds 10 to 15 kt. Seas 4 to 5 ft, building to 4 to 6 ft after midnight. Wave Detail: SE 5 ft at 9 seconds. A slight chance of showers after midnight.

SUN
SE winds 10 kt. Seas 4 to 6 ft, subsiding to 4 to 5 ft in the afternoon. Wave Detail: SE 5 ft at 9 seconds. A chance of showers.

SUN NIGHT
S winds 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: SE 6 ft at 10 seconds. A chance of showers with a slight chance of tstms.

MON
S winds 10 to 15 kt. Seas 5 to 6 ft. A chance of showers and tstms.

MON NIGHT
SW winds 10 to 15 kt. Seas 4 to 6 ft. A chance of showers and tstms.

TUE
W winds 10 to 15 kt. Seas 4 to 5 ft. A slight chance of showers and tstms.

TUE NIGHT
E winds 10 kt. Seas 3 to 4 ft. A slight chance of showers.

Winds and seas higher in and near tstms.