202
FZUS52 KCHS 200639
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
239 AM EDT FRI MAR 20 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
AMZ300-202000-
239 AM EDT FRI MAR 20 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.
AMZ330-202000-
CHARLESTON HARBOR-
239 AM EDT FRI MAR 20 2026
TODAY
VARIABLE WINDS 5 KT.
TONIGHT
SW WINDS 5 TO 10 KT.
SAT
SW WINDS 10 KT.
SAT NIGHT
SW WINDS 5 TO 10 KT.
SUN
SW WINDS 5 KT, INCREASING TO 10 KT IN THE AFTERNOON.
SUN NIGHT
SW WINDS 10 KT.
MON
SW WINDS 10 KT.
MON NIGHT
N WINDS 10 TO 15 KT.
TUE
NE WINDS 10 TO 15 KT.
TUE NIGHT
NE WINDS 10 TO 15 KT.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 59 DEGREES.
AMZ350-202000-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
239 AM EDT FRI MAR 20 2026
TODAY
N WINDS 5 KT, BECOMING E LATE. SEAS 3 TO 4 FT. WAVE
DETAIL: E 4 FT AT 9 SECONDS.
TONIGHT
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 9 SECONDS.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO 5 FT,
SUBSIDING TO 3 TO 4 FT IN THE AFTERNOON. WAVE DETAIL: E 4 FT AT
10 SECONDS AND SW 3 FT AT 4 SECONDS, BECOMING SW 3 FT AT
4 SECONDS AND E 3 FT AT 10 SECONDS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
SW 3 FT AT 5 SECONDS AND E 3 FT AT 10 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 5 SECONDS AND E 3 FT AT 9 SECONDS.
SUN NIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT.
WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E 2 FT AT 9 SECONDS.
MON
SW WINDS 15 KT. SEAS 3 TO 4 FT.
MON NIGHT
N WINDS 25 TO 30 KT. SEAS 5 TO 7 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
TUE
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT.
TUE NIGHT
NE WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. A SLIGHT
CHANCE OF SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ352-202000-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
239 AM EDT FRI MAR 20 2026
TODAY
N WINDS 5 KT, BECOMING SE LATE. SEAS 3 TO 4 FT. WAVE
DETAIL: E 4 FT AT 9 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS.
SAT
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.
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 10 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT
AT 10 SECONDS AND SW 2 FT AT 5 SECONDS.
SUN NIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT.
WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 2 FT AT 9 SECONDS.
MON
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON NIGHT
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. A SLIGHT
CHANCE OF SHOWERS.
TUE
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT.
TUE NIGHT
NE WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. A SLIGHT
CHANCE OF SHOWERS.
AMZ354-202000-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
239 AM EDT FRI MAR 20 2026
TODAY
N WINDS 5 TO 10 KT, BECOMING E LATE. SEAS 3 TO 4 FT.
WAVE DETAIL: E 4 FT AT 9 SECONDS.
TONIGHT
SE WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS.
SAT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 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. WAVE DETAIL: E 3 FT
AT 10 SECONDS AND SW 2 FT AT 4 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 4 SECONDS AND E 3 FT AT 9 SECONDS.
MON
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
MON NIGHT
W WINDS 20 TO 25 KT. SEAS 4 TO 5 FT.
TUE
NE WINDS 25 KT. SEAS 6 TO 8 FT.
TUE NIGHT
NE WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. A SLIGHT
CHANCE OF SHOWERS.
AMZ374-202000-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
239 AM EDT FRI MAR 20 2026
TODAY
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, DIMINISHING TO
5 TO 10 KT THIS AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT AT
9 SECONDS.
TONIGHT
SE 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 WITH GUSTS TO 20 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 WITH GUSTS TO 20 KT. SEAS 4 TO
5 FT. WAVE DETAIL: E 4 FT AT 10 SECONDS AND SW 3 FT AT 4 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT, SUBSIDING TO 3 TO
4 FT IN THE AFTERNOON. WAVE DETAIL: E 4 FT AT 10 SECONDS AND SW
3 FT AT 4 SECONDS, BECOMING E 4 FT AT 9 SECONDS AND SW 3 FT AT
4 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 3 FT AT 9 SECONDS.
MON
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON NIGHT
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.
TUE
NE WINDS 25 TO 30 KT. SEAS 9 TO 11 FT.
TUE NIGHT
NE WINDS 20 TO 25 KT. SEAS 7 TO 9 FT. A SLIGHT
CHANCE OF SHOWERS.
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