910
FZUS52 KCHS 300940
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 AM EDT THU JUL 30 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-302300-
539 AM EDT THU JUL 30 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
A STATIONARY FRONT WILL BE LINGERING ACROSS SOUTHEAST GEORGIA AND
SOUTH CAROLINA THROUGH THE REST OF THE WEEK.
AMZ340-302300-
CHARLESTON HARBOR-
539 AM EDT THU JUL 30 2026
TODAY
N WINDS 5 TO 10 KT, BECOMING E EARLY THIS AFTERNOON,
THEN BECOMING S LATE.
TONIGHT
VARIABLE WINDS 5 KT.
FRI
E WINDS 5 TO 10 KT.
FRI NIGHT
SE WINDS 5 TO 10 KT.
SAT
SE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON.
SAT NIGHT
S WINDS 5 TO 10 KT. A CHANCE OF SHOWERS AND TSTMS.
SUN
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. SHOWERS AND TSTMS
LIKELY.
SUN NIGHT
SW WINDS 10 TO 15 KT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
MON
SW WINDS 10 TO 15 KT. SHOWERS AND TSTMS LIKELY.
MON 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 86 DEGREES.
AMZ360-302300-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
539 AM EDT THU JUL 30 2026
TODAY
N WINDS 10 TO 15 KT, BECOMING NE 5 TO 10 KT EARLY THIS
AFTERNOON, THEN BECOMING SE LATE. SEAS 2 FT. WAVE DETAIL: S 2 FT
AT 5 SECONDS AND E 2 FT AT 8 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS.
FRI
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
7 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT
AT 6 SECONDS.
SAT
SE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
TO 20 KT IN THE AFTERNOON. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
4 SECONDS AND SE 2 FT AT 7 SECONDS.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 2 FT AT 7 SECONDS.
A CHANCE OF SHOWERS AND TSTMS.
SUN
S WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN NIGHT
SW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. SHOWERS WITH A
CHANCE OF TSTMS.
MON
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
MON NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ362-302300-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 AM EDT THU JUL 30 2026
TODAY
NW WINDS 5 TO 10 KT, BECOMING NE LATE THIS MORNING AND
EARLY AFTERNOON, THEN BECOMING SE LATE. SEAS 2 FT. WAVE DETAIL:
SW 2 FT AT 5 SECONDS AND E 1 FOOT AT 8 SECONDS.
TONIGHT
S WINDS 5 KT, BECOMING NW AFTER MIDNIGHT. SEAS 2 FT.
WAVE DETAIL: SE 1 FOOT AT 6 SECONDS.
FRI
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
7 SECONDS.
FRI NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT
AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT
S WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT WITH GUSTS TO
20 KT IN THE AFTERNOON. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
4 SECONDS AND SE 2 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS
AND TSTMS IN THE AFTERNOON.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 1 FOOT AT
9 SECONDS. A CHANCE OF TSTMS. A CHANCE OF SHOWERS IN THE EVENING,
THEN SHOWERS LIKELY AFTER MIDNIGHT.
SUN
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. SHOWERS AND TSTMS
LIKELY.
SUN NIGHT
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. SHOWERS WITH A
CHANCE OF TSTMS.
MON
SW WINDS 15 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ364-302300-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
539 AM EDT THU JUL 30 2026
TODAY
NW WINDS 5 TO 10 KT, BECOMING SE LATE. SEAS 2 FT. WAVE
DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS.
FRI
NW WINDS 5 KT, BECOMING SE IN THE AFTERNOON. SEAS 2 FT.
WAVE DETAIL: SE 2 FT AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
TSTMS IN THE AFTERNOON.
FRI NIGHT
S WINDS 5 TO 10 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.
SAT
S WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE
2 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS IN THE MORNING,
THEN A CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.
SAT NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 4 SECONDS AND E 1 FOOT AT 9 SECONDS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
SUN
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. SHOWERS WITH TSTMS
LIKELY.
SUN NIGHT
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
MON
SW WINDS 15 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON 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.
AMZ380-302300-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
539 AM EDT THU JUL 30 2026
TODAY
N WINDS 5 TO 10 KT, BECOMING W LATE. SEAS 2 TO 3 FT.
WAVE DETAIL: S 2 FT AT 7 SECONDS.
TONIGHT
SW WINDS 5 KT, BECOMING NW AFTER MIDNIGHT. SEAS 2 TO
3 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS.
FRI
E WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
7 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT
AT 6 SECONDS AND SE 2 FT AT 9 SECONDS.
SAT
SE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE
2 FT AT 7 SECONDS.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO
3 FT, BUILDING TO 3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: S 3 FT
AT 4 SECONDS AND SE 2 FT AT 8 SECONDS, BECOMING S 3 FT AT
4 SECONDS AND 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.
SUN
S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN NIGHT
S WINDS 20 KT. SEAS 5 TO 6 FT. SHOWERS WITH TSTMS
LIKELY.
MON
SW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
MON NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ382-302300-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT THU JUL 30 2026
TODAY
NW WINDS 5 TO 10 KT, BECOMING SW LATE. SEAS 2 TO 3 FT.
WAVE DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS.
FRI
E WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT
7 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT
AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.
SAT
S WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE
2 FT AT 7 SECONDS.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO
3 FT, BUILDING TO 3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: S 3 FT
AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS, BECOMING S 3 FT AT
5 SECONDS AND SE 2 FT AT 8 SECONDS. A CHANCE OF TSTMS. A CHANCE
OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
SUN
SW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
SUN NIGHT
SW WINDS 20 TO 25 KT. SEAS 5 TO 6 FT. SHOWERS WITH A
CHANCE OF TSTMS.
MON
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
MON 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.
AMZ384-302300-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT THU JUL 30 2026
TODAY
W WINDS 5 TO 10 KT, BECOMING SW LATE. SEAS 2 TO 3 FT.
WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.
FRI
W WINDS 5 KT, BECOMING S IN THE AFTERNOON. SEAS 2 TO 3 FT.
WAVE DETAIL: SE 3 FT AT 7 SECONDS.
FRI NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 1 FOOT
AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
SAT
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE
2 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
SUN
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
SUN NIGHT
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
MON
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
MON 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.
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