098
FZUS52 KCHS 250939
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 AM EDT SAT JUL 25 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-252300-
539 AM EDT SAT JUL 25 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
A STATIONARY FRONT WILL LINGER IN THE VICINITY OF THE MARINE
WATERS THIS WEEKEND WITH HIGH PRESSURE BRIEFLY RETURNING EARLY
NEXT WEEK.
AMZ340-252300-
CHARLESTON HARBOR-
539 AM EDT SAT JUL 25 2026
TODAY
SW WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS AND
TSTMS THIS MORNING. A CHANCE OF SHOWERS AND TSTMS EARLY THIS
AFTERNOON, THEN SHOWERS WITH TSTMS LIKELY LATE.
TONIGHT
SW WINDS 5 KT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
SUN
N WINDS 5 KT, BECOMING E IN THE AFTERNOON. A CHANCE OF
SHOWERS AND TSTMS.
SUN NIGHT
S WINDS 5 KT. SHOWERS LIKELY WITH A CHANCE OF TSTMS
IN THE EVENING, THEN A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
TSTMS AFTER MIDNIGHT.
MON
NE WINDS 5 KT, BECOMING SE IN THE AFTERNOON.
MON NIGHT
S WINDS 5 TO 10 KT.
TUE
SW WINDS 10 TO 15 KT.
TUE NIGHT
SW WINDS 10 TO 15 KT.
WED
SW WINDS 10 KT. A CHANCE OF SHOWERS AND TSTMS.
WED NIGHT
SW WINDS 5 TO 10 KT. A 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 87 DEGREES.
AMZ360-252300-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
539 AM EDT SAT JUL 25 2026
TODAY
SW WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS AND SW 2 FT AT 4 SECONDS. A CHANCE OF TSTMS. A CHANCE
OF SHOWERS UNTIL LATE AFTERNOON, THEN SHOWERS LIKELY LATE.
TONIGHT
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. A CHANCE OF TSTMS.
SHOWERS LIKELY.
SUN
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS 2 TO
3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS.
A CHANCE OF SHOWERS AND TSTMS.
SUN NIGHT
S WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT
8 SECONDS AND S 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS. A
CHANCE OF TSTMS, MAINLY IN THE EVENING.
MON
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
8 SECONDS AND S 1 FOOT AT 4 SECONDS. A SLIGHT CHANCE OF SHOWERS
AND TSTMS IN THE MORNING.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 8 SECONDS AND S 1 FOOT AT 4 SECONDS.
TUE
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS.
WED
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS
AND TSTMS.
WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ362-252300-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 AM EDT SAT JUL 25 2026
TODAY
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT THIS
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND
SW 2 FT AT 3 SECONDS. A CHANCE OF SHOWERS AND TSTMS THIS
AFTERNOON.
TONIGHT
SW WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS AND SW 1 FOOT AT 3 SECONDS. A CHANCE OF TSTMS.
SHOWERS LIKELY, MAINLY IN THE EVENING.
SUN
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT
8 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
SUN NIGHT
SW WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
8 SECONDS AND SW 1 FOOT AT 4 SECONDS. SHOWERS LIKELY WITH A
CHANCE OF TSTMS IN THE EVENING, THEN A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS AFTER MIDNIGHT.
MON
NE WINDS 5 KT, BECOMING E IN THE AFTERNOON. SEAS 2 FT.
WAVE DETAIL: SE 2 FT AT 8 SECONDS AND S 1 FOOT AT 4 SECONDS. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS IN THE MORNING.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 8 SECONDS AND S 1 FOOT AT 4 SECONDS.
TUE
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.
WED
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS
AND TSTMS.
WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ364-252300-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
539 AM EDT SAT JUL 25 2026
TODAY
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 THIS AFTERNOON.
TONIGHT
SW WINDS 10 KT, BECOMING W AFTER MIDNIGHT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS.
TSTMS LIKELY, MAINLY IN THE EVENING.
SUN
W WINDS 10 KT, DIMINISHING TO 5 KT IN THE AFTERNOON. SEAS
2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND W 1 FOOT AT
3 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE MORNING,
THEN A CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT
AT 8 SECONDS AND SW 1 FOOT AT 3 SECONDS. SHOWERS LIKELY. A CHANCE
OF TSTMS, MAINLY IN THE EVENING.
MON
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND SW 1 FOOT AT
3 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
MON NIGHT
SE WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS
2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND S 1 FOOT AT
3 SECONDS.
TUE
S WINDS 10 TO 15 KT. SEAS 2 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.
WED
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS
AND TSTMS.
WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ380-252300-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
539 AM EDT SAT JUL 25 2026
TODAY
SW WINDS 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS AND SW 2 FT AT 4 SECONDS. A SLIGHT CHANCE OF SHOWERS
AND TSTMS UNTIL LATE AFTERNOON, THEN A CHANCE OF SHOWERS AND
TSTMS LATE.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: E 3 FT
AT 8 SECONDS AND SW 2 FT AT 4 SECONDS. SHOWERS LIKELY. A CHANCE
OF TSTMS IN THE EVENING, THEN TSTMS LIKELY AFTER MIDNIGHT.
SUN
NW WINDS 10 KT, BECOMING NE IN THE AFTERNOON. SEAS 3 FT.
WAVE DETAIL: E 3 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS. A
CHANCE OF SHOWERS. A CHANCE OF TSTMS, MAINLY IN THE MORNING.
SUN NIGHT
SE WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 8 SECONDS AND SW 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS. A
SLIGHT CHANCE OF TSTMS IN THE EVENING, THEN A CHANCE OF TSTMS
AFTER MIDNIGHT.
MON
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT
8 SECONDS AND SW 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS IN THE MORNING.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 8 SECONDS AND SW 1 FOOT AT 4 SECONDS.
TUE
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS.
WED
SW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. A CHANCE OF SHOWERS
AND TSTMS.
WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ382-252300-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT SAT JUL 25 2026
TODAY
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS AND SW 2 FT AT 3 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS EARLY THIS AFTERNOON. A CHANCE OF SHOWERS AND
TSTMS LATE.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS AND SW 2 FT AT 3 SECONDS. A CHANCE OF SHOWERS AND
TSTMS.
SUN
NW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND W
2 FT AT 4 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
SUN NIGHT
SW WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT
AT 8 SECONDS AND SW 1 FOOT AT 4 SECONDS. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON
E WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT
8 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS IN
THE MORNING.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 8 SECONDS AND S 1 FOOT AT 4 SECONDS.
TUE
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT.
WED
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS
AND TSTMS.
WED NIGHT
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ384-252300-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT SAT JUL 25 2026
TODAY
SW WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS. A CHANCE OF SHOWERS AND TSTMS LATE.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS AND SW 2 FT AT 3 SECONDS. A CHANCE OF SHOWERS AND
TSTMS.
SUN
W WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND
SE 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF
TSTMS IN THE MORNING, THEN A CHANCE OF TSTMS IN THE AFTERNOON.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT
AT 8 SECONDS AND W 1 FOOT AT 3 SECONDS. SHOWERS LIKELY. A CHANCE
OF TSTMS, MAINLY IN THE EVENING.
MON
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND SW 1 FOOT AT
4 SECONDS. A SLIGHT CHANCE OF TSTMS. A CHANCE OF SHOWERS, MAINLY
IN THE MORNING.
MON NIGHT
S WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
8 SECONDS AND S 1 FOOT AT 4 SECONDS.
TUE
SW WINDS 5 TO 10 KT. SEAS 2 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.
WED
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS
AND TSTMS.
WED NIGHT
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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