140
FZUS52 KCHS 140940
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 AM EDT FRI AUG 14 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-142300-
539 AM EDT FRI AUG 14 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
THE COMBINATION OF STRONG HIGH PRESSURE OVER THE NORTHERN GULF
AND SURFACE TROUGHING OVER THE SOUTHEAST U.S. WILL YIELD A
TYPICAL SUMMERTIME WIND PATTERN OVER OUR COASTAL WATERS INTO NEXT
WEEK, ALONG WITH GENERALLY LOW SEAS.
AMZ340-142300-
CHARLESTON HARBOR-
539 AM EDT FRI AUG 14 2026
TODAY
SW WINDS 5 TO 10 KT, BECOMING S LATE. A SLIGHT CHANCE OF
SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
SW WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS AND
TSTMS IN THE EVENING.
SAT
SW WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS AND TSTMS
IN THE AFTERNOON.
SAT NIGHT
SW WINDS 5 TO 10 KT. A CHANCE OF SHOWERS. A CHANCE
OF TSTMS, MAINLY IN THE EVENING.
SUN
W WINDS 5 KT, BECOMING S IN THE AFTERNOON. A SLIGHT CHANCE
OF SHOWERS AND TSTMS IN THE AFTERNOON.
SUN NIGHT
SW WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS AND
TSTMS IN THE EVENING.
MON
SW WINDS 5 TO 10 KT.
MON NIGHT
SW WINDS 5 TO 10 KT.
TUE
SW WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TUE NIGHT
SW WINDS 5 TO 10 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 86 DEGREES.
AMZ360-142300-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
539 AM EDT FRI AUG 14 2026
TODAY
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS TO 20 KT LATE. SEAS 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS
AND SE 1 FOOT AT 7 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS. A CHANCE OF
SHOWERS. A CHANCE OF TSTMS, MAINLY IN THE EVENING.
SUN
W WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
2 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SW 2 FT
AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.
MON
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
MON NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT.
TUE
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ362-142300-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 AM EDT FRI AUG 14 2026
TODAY
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT LATE. SEAS
2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 1 FOOT AT
7 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT
AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS.
SAT
SW WINDS 10 TO 15 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
4 SECONDS AND SE 1 FOOT AT 7 SECONDS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT
AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS IN THE EVENING.
SUN
W WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN NIGHT
SW WINDS 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
8 SECONDS AND S 1 FOOT AT 5 SECONDS.
MON
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
MON NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
TUE
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ364-142300-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
539 AM EDT FRI AUG 14 2026
TODAY
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT LATE. SEAS
2 FT. WAVE DETAIL: S 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT
7 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT
AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS.
SAT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
4 SECONDS AND SE 1 FOOT AT 7 SECONDS.
SAT NIGHT
SW WINDS 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
4 SECONDS AND SE 1 FOOT AT 7 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN NIGHT
SW WINDS 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
8 SECONDS.
MON
SW WINDS 5 TO 10 KT. SEAS 2 FT.
MON NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
TUE
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ380-142300-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
539 AM EDT FRI AUG 14 2026
TODAY
SW WINDS 10 TO 15 KT. SEAS 2 FT. WAVE DETAIL: SW 2 FT AT
4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
TONIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT
SW WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SW 3 FT AT
5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS
AND TSTMS IN THE EVENING, THEN A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF TSTMS AFTER MIDNIGHT.
SUN
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SE 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS IN THE MORNING.
SUN NIGHT
SW WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
MON
SW WINDS 10 KT. SEAS 3 FT.
MON NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT.
TUE
W WINDS 10 TO 15 KT. SEAS 3 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ382-142300-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT FRI AUG 14 2026
TODAY
SW WINDS 10 TO 15 KT. SEAS 2 FT. WAVE DETAIL: SW 2 FT AT
4 SECONDS AND SE 1 FOOT AT 7 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS.
SAT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SW 2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
SUN
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN NIGHT
SW WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.
MON
SW WINDS 10 KT. SEAS 3 FT.
MON NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE
W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ384-142300-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT FRI AUG 14 2026
TODAY
SW WINDS 5 TO 10 KT, BECOMING S LATE. SEAS 2 FT. WAVE
DETAIL: SW 2 FT AT 3 SECONDS AND SE 1 FOOT AT 7 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS.
SAT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SW 2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN NIGHT
SW WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.
MON
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
MON NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
TUE
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
TUE NIGHT
SW WINDS 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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