865
FZUS52 KCHS 230939
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 AM EDT THU JUL 23 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-232300-
539 AM EDT THU JUL 23 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
A COLD FRONT WILL SLOWLY APPROACH THE REGION THROUGHOUT THE DAY,
POSSIBLY BECOMING STATIONARY ALONG THE COAST THROUGH THIS
WEEKEND.
AMZ340-232300-
CHARLESTON HARBOR-
539 AM EDT THU JUL 23 2026
TODAY
SW WINDS 10 KT, BECOMING S WITH GUSTS TO 20 KT LATE.
TONIGHT
S WINDS 5 TO 10 KT.
FRI
S WINDS 5 TO 10 KT. A CHANCE OF SHOWERS AND TSTMS IN THE
AFTERNOON.
FRI NIGHT
S WINDS 5 TO 10 KT. A CHANCE OF SHOWERS AND TSTMS.
SAT
SW WINDS 5 KT, INCREASING TO 10 KT IN THE AFTERNOON.
SHOWERS LIKELY WITH A CHANCE OF TSTMS IN THE MORNING, THEN
SHOWERS WITH TSTMS LIKELY IN THE AFTERNOON.
SAT NIGHT
SW WINDS 5 KT. A CHANCE OF TSTMS. SHOWERS.
SUN
NW WINDS 5 TO 10 KT. SHOWERS AND TSTMS LIKELY.
SUN NIGHT
SW WINDS 5 KT. A CHANCE OF SHOWERS AND TSTMS.
MON
S WINDS 5 TO 10 KT.
MON NIGHT
S 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 86 DEGREES.
AMZ360-232300-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
539 AM EDT THU JUL 23 2026
TODAY
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW
3 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS.
FRI NIGHT
S WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE
EVENING, THEN A CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.
SAT
SW WINDS 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS. A CHANCE OF TSTMS. SHOWERS.
SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS. SHOWERS WITH TSTMS LIKELY.
SUN
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
MON
SE WINDS 5 TO 10 KT. SEAS 2 FT.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ362-232300-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 AM EDT THU JUL 23 2026
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, DIMINISHING TO
5 TO 10 KT LATE THIS MORNING AND EARLY AFTERNOON, THEN BECOMING S
10 TO 15 KT LATE. SEAS 3 TO 4 FT, SUBSIDING TO 2 TO 3 FT THIS
AFTERNOON. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 3 FT AT
8 SECONDS, BECOMING SE 3 FT AT 8 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS.
FRI
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS.
FRI NIGHT
S WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS AFTER
MIDNIGHT.
SAT
SW WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS. A CHANCE OF TSTMS. A CHANCE OF SHOWERS IN THE MORNING,
THEN SHOWERS LIKELY IN THE AFTERNOON.
SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS. SHOWERS LIKELY. TSTMS LIKELY, MAINLY IN THE
EVENING.
SUN
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
MON
SW WINDS 5 TO 10 KT. SEAS 2 FT.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ364-232300-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
539 AM EDT THU JUL 23 2026
TODAY
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT LATE. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND SE 2 FT AT
8 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS.
FRI
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
8 SECONDS.
FRI NIGHT
S WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS.
SAT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS. A CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.
SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 8 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
SUN
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. A CHANCE OF SHOWERS
AND TSTMS.
MON
NW WINDS 5 TO 10 KT. SEAS 2 FT.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ380-232300-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
539 AM EDT THU JUL 23 2026
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 3 FT AT 8 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS AND SW 1 FOOT AT 4 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS AND SW 1 FOOT AT 3 SECONDS.
FRI NIGHT
S WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS. A CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.
SAT
SW WINDS 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS AND SW 1 FOOT AT 3 SECONDS. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS. SHOWERS WITH TSTMS
LIKELY.
SUN
NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
SUN NIGHT
S WINDS 5 TO 10 KT. SEAS 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
MON
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ382-232300-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT THU JUL 23 2026
TODAY
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
4 FT AT 8 SECONDS AND SW 3 FT AT 4 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS AND SW 1 FOOT AT 4 SECONDS.
FRI
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS.
FRI NIGHT
S WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS AFTER
MIDNIGHT.
SAT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS. A CHANCE OF SHOWERS. A CHANCE OF TSTMS, MAINLY IN
THE MORNING.
SAT NIGHT
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND
SW 2 FT AT 3 SECONDS. TSTMS LIKELY. SHOWERS LIKELY.
SUN
W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
MON
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ384-232300-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT THU JUL 23 2026
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING S
5 TO 10 KT LATE THIS MORNING. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 5 SECONDS AND SE 3 FT AT 8 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS.
FRI
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS.
FRI NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS.
SAT
SW WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.
SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS AND SW 2 FT AT 3 SECONDS. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
MON
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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