639
FZUS52 KCHS 300940
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 AM EDT WED SEP 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 WED SEP 30 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
HIGH PRESSURE WILL EXTEND ACROSS THE REGION THROUGH THIS WEEK.
UNSETTLED WEATHER COULD RETURN LATE WEEK THROUGH THE WEEKEND.
AMZ340-302300-
CHARLESTON HARBOR-
539 AM EDT WED SEP 30 2026
TODAY
E WINDS 5 TO 10 KT, BECOMING 10 KT LATE.
TONIGHT
E WINDS 5 TO 10 KT.
THU
E WINDS 5 TO 10 KT. PATCHY FOG IN THE MORNING.
THU NIGHT
E WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT.
FRI
E WINDS 5 KT, BECOMING SE IN THE AFTERNOON.
FRI NIGHT
S WINDS 5 TO 10 KT.
SAT
S WINDS 5 TO 10 KT. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF TSTMS.
SAT NIGHT
SE WINDS 5 TO 10 KT. A CHANCE OF SHOWERS AND TSTMS.
SUN
SE WINDS 5 TO 10 KT. SHOWERS LIKELY WITH A CHANCE OF
TSTMS.
SUN NIGHT
W WINDS 5 TO 10 KT. SHOWERS LIKELY WITH A SLIGHT
CHANCE OF TSTMS.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 78 DEGREES.
AMZ360-302300-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
539 AM EDT WED SEP 30 2026
TODAY
NE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
4 SECONDS AND E 1 FOOT AT 10 SECONDS.
TONIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
4 SECONDS AND E 1 FOOT AT 11 SECONDS.
THU
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
4 SECONDS AND E 1 FOOT AT 11 SECONDS.
THU NIGHT
E WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT. SEAS
2 FT. WAVE DETAIL: E 2 FT AT 4 SECONDS AND E 1 FOOT AT
12 SECONDS.
FRI
SE WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: SE 1 FOOT AT
4 SECONDS AND E 1 FOOT AT 12 SECONDS.
FRI NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT
AT 4 SECONDS AND E 1 FOOT AT 11 SECONDS.
SAT
S WINDS 5 TO 10 KT. SEAS 2 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
SUN
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 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 WED SEP 30 2026
TODAY
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 1 FOOT AT
4 SECONDS AND E 1 FOOT AT 12 SECONDS.
TONIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
4 SECONDS AND E 1 FOOT AT 12 SECONDS.
THU
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
4 SECONDS AND E 1 FOOT AT 11 SECONDS.
THU NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 4 SECONDS AND E 1 FOOT AT 11 SECONDS.
FRI
SE WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
4 SECONDS AND E 1 FOOT AT 11 SECONDS.
FRI NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT
AT 4 SECONDS AND E 1 FOOT AT 11 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS AFTER MIDNIGHT.
SAT
SE WINDS 5 TO 10 KT. SEAS 2 FT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
SUN
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
SW WINDS 10 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY WITH
A SLIGHT 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 WED SEP 30 2026
TODAY
E WINDS 5 KT, INCREASING TO 5 TO 10 KT LATE. SEAS 2 FT.
WAVE DETAIL: SE 1 FOOT AT 5 SECONDS AND E 1 FOOT AT 10 SECONDS.
TONIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
5 SECONDS AND E 1 FOOT AT 11 SECONDS.
THU
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
4 SECONDS AND E 1 FOOT AT 11 SECONDS.
THU NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 4 SECONDS AND E 1 FOOT AT 11 SECONDS.
FRI
SE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
4 SECONDS AND E 1 FOOT AT 11 SECONDS.
FRI NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT
AT 4 SECONDS AND E 1 FOOT AT 11 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS AFTER MIDNIGHT.
SAT
SE WINDS 5 TO 10 KT. SEAS 2 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
SE WINDS 5 TO 10 KT. SEAS 2 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. SHOWERS LIKELY WITH
A SLIGHT CHANCE OF 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 WED SEP 30 2026
TODAY
NE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
4 SECONDS AND E 2 FT AT 10 SECONDS.
TONIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 3 SECONDS AND E 2 FT AT 11 SECONDS.
THU
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT
AT 4 SECONDS AND E 2 FT AT 11 SECONDS.
THU NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 4 SECONDS AND E 2 FT AT 11 SECONDS.
FRI
SE WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
4 SECONDS AND E 2 FT AT 11 SECONDS.
FRI NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT
AT 5 SECONDS AND E 2 FT AT 11 SECONDS. A SLIGHT CHANCE OF SHOWERS
AFTER MIDNIGHT.
SAT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
SUN
SE WINDS 5 TO 10 KT. SEAS 3 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 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 WED SEP 30 2026
TODAY
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
4 SECONDS AND E 2 FT AT 11 SECONDS.
TONIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 4 SECONDS AND E 2 FT AT 11 SECONDS.
THU
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT
4 SECONDS AND E 2 FT AT 11 SECONDS. A SLIGHT CHANCE OF SHOWERS IN
THE AFTERNOON.
THU NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 4 SECONDS AND E 2 FT AT 11 SECONDS.
FRI
SE WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
4 SECONDS AND E 2 FT AT 11 SECONDS. A SLIGHT CHANCE OF SHOWERS.
FRI NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 4 SECONDS AND E 2 FT AT 11 SECONDS. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS AFTER MIDNIGHT.
SAT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
SUN
S WINDS 10 KT. SEAS 3 FT. A CHANCE OF SHOWERS AND TSTMS.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT. SHOWERS LIKELY WITH
A CHANCE OF 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 WED SEP 30 2026
TODAY
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
5 SECONDS AND E 2 FT AT 10 SECONDS. A SLIGHT CHANCE OF SHOWERS
EARLY THIS AFTERNOON.
TONIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 5 SECONDS AND E 2 FT AT 10 SECONDS.
THU
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT
4 SECONDS AND E 2 FT AT 10 SECONDS.
THU NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 4 SECONDS AND E 2 FT AT 11 SECONDS.
FRI
SE WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
4 SECONDS AND E 2 FT AT 11 SECONDS. A SLIGHT CHANCE OF SHOWERS. A
SLIGHT CHANCE OF TSTMS IN THE AFTERNOON.
FRI NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 4 SECONDS AND E 2 FT AT 11 SECONDS. A CHANCE OF SHOWERS
AND TSTMS AFTER MIDNIGHT.
SAT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT NIGHT
SE WINDS 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
S WINDS 10 KT. SEAS 3 FT. A CHANCE OF SHOWERS AND TSTMS.
SUN NIGHT
S WINDS 10 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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