413
FZUS52 KCHS 191807
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
207 PM EDT THU MAR 19 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
AMZ300-200815-
207 PM EDT THU MAR 19 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
HIGH PRESSURE WILL PREVAIL THROUGH THE WEEKEND. A COLD FRONT MAY
DROP THROUGH THE AREA EARLY NEXT WEEK, FOLLOWED BY MORE HIGH
PRESSURE.
AMZ330-200815-
CHARLESTON HARBOR-
207 PM EDT THU MAR 19 2026
THIS AFTERNOON
SE WINDS 10 KT.
TONIGHT
VARIABLE WINDS 5 KT.
FRI
N WINDS 5 KT, BECOMING SE 5 TO 10 KT IN THE AFTERNOON.
FRI NIGHT
S WINDS 5 TO 10 KT.
SAT
SW WINDS 10 KT.
SAT NIGHT
SW WINDS 5 TO 10 KT.
SUN
SW WINDS 5 TO 10 KT.
SUN NIGHT
SW WINDS 10 KT.
MON
SW WINDS 10 KT.
MON NIGHT
N 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 60 DEGREES.
AMZ350-200815-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
207 PM EDT THU MAR 19 2026
THIS AFTERNOON
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: E 4 FT AT 9 SECONDS.
TONIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 9 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS.
FRI NIGHT
S WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 10 SECONDS.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT.
WAVE DETAIL: E 4 FT AT 10 SECONDS AND SW 3 FT AT 4 SECONDS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
SW 3 FT AT 4 SECONDS AND E 3 FT AT 9 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN NIGHT
SW WINDS 15 KT. SEAS 3 TO 4 FT.
MON
SW WINDS 15 KT. SEAS 3 TO 4 FT.
MON NIGHT
N WINDS 25 TO 30 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ352-200815-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
207 PM EDT THU MAR 19 2026
THIS AFTERNOON
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: E 4 FT AT 9 SECONDS.
TONIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 9 SECONDS.
FRI
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS 3 TO
4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS.
FRI NIGHT
S WINDS 5 KT, BECOMING SW AFTER MIDNIGHT. SEAS 3 TO
4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS.
SAT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT
AT 10 SECONDS AND SW 2 FT AT 3 SECONDS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
3 FT AT 9 SECONDS AND SW 2 FT AT 4 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN NIGHT
SW WINDS 15 KT. SEAS 3 TO 4 FT.
MON
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON NIGHT
NW WINDS 25 TO 30 KT. SEAS 3 TO 4 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ354-200815-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
207 PM EDT THU MAR 19 2026
THIS AFTERNOON
NE WINDS 10 TO 15 KT. SEAS 4 FT. WAVE DETAIL:
NE 4 FT AT 6 SECONDS AND E 4 FT AT 9 SECONDS.
TONIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 9 SECONDS.
FRI
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT
AT 9 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT.
SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS.
SAT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT
AT 10 SECONDS AND SW 2 FT AT 3 SECONDS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
3 FT AT 10 SECONDS AND SW 2 FT AT 4 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
MON NIGHT
W WINDS 20 TO 25 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ374-200815-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
207 PM EDT THU MAR 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
THIS AFTERNOON
NE WINDS 15 TO 20 KT. SEAS 5 TO 6 FT. WAVE
DETAIL: NE 5 FT AT 7 SECONDS AND E 3 FT AT 9 SECONDS.
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT, SUBSIDING TO 4
TO 5 FT. WAVE DETAIL: NE 5 FT AT 7 SECONDS AND E 4 FT AT 9
SECONDS, BECOMING E 5 FT AT 9 SECONDS.
FRI
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT
AT 9 SECONDS.
FRI NIGHT
E WINDS 5 KT, BECOMING SW AFTER MIDNIGHT. SEAS 4 TO
5 FT. WAVE DETAIL: E 5 FT AT 9 SECONDS.
SAT
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT
AT 10 SECONDS AND W 2 FT AT 3 SECONDS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E
5 FT AT 10 SECONDS AND SW 3 FT AT 4 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON NIGHT
W WINDS 20 TO 25 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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