485
FZUS52 KCHS 300939
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 AM EDT SUN AUG 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 SUN AUG 30 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
ATLANTIC HIGH PRESSURE WILL EXTEND ACROSS THE REGION INTO NEXT
WEEK.
AMZ340-302300-
CHARLESTON HARBOR-
539 AM EDT SUN AUG 30 2026
TODAY
NE WINDS 5 TO 10 KT, BECOMING E LATE. A CHANCE OF
SHOWERS AND TSTMS.
TONIGHT
E WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS AND
TSTMS IN THE EVENING.
MON
NE WINDS 5 KT, BECOMING E IN THE AFTERNOON. A SLIGHT
CHANCE OF SHOWERS AND TSTMS IN THE MORNING.
MON NIGHT
SE WINDS 5 KT.
TUE
NE WINDS 5 KT, BECOMING E IN THE AFTERNOON.
TUE NIGHT
SE WINDS 5 KT.
WED
SE WINDS 5 TO 10 KT.
WED NIGHT
S WINDS 5 TO 10 KT.
THU
S WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
THU 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 84 DEGREES.
AMZ360-302300-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
539 AM EDT SUN AUG 30 2026
TODAY
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
8 SECONDS AND SE 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS AND
TSTMS UNTIL LATE AFTERNOON, THEN A SLIGHT CHANCE OF SHOWERS AND
TSTMS LATE.
TONIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.
MON
NE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
8 SECONDS. A CHANCE OF SHOWERS AND TSTMS IN THE MORNING.
MON NIGHT
SE WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
8 SECONDS.
TUE
NE WINDS 5 KT, BECOMING E IN THE AFTERNOON. SEAS 2 FT.
WAVE DETAIL: SE 2 FT AT 8 SECONDS.
TUE NIGHT
SE WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS.
WED
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 3 FT.
THU
S WINDS 5 TO 10 KT. SEAS 3 FT.
THU NIGHT
S WINDS 10 KT. SEAS 3 FT. A SLIGHT CHANCE OF SHOWERS
AND 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 SUN AUG 30 2026
TODAY
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
8 SECONDS AND SE 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS AND
TSTMS UNTIL LATE AFTERNOON, THEN A SLIGHT CHANCE OF SHOWERS AND
TSTMS LATE.
TONIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
MON
NE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
8 SECONDS. A CHANCE OF SHOWERS. A CHANCE OF TSTMS, MAINLY IN THE
MORNING.
MON NIGHT
E WINDS 5 TO 10 KT, DIMINISHING TO 5 KT AFTER
MIDNIGHT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS.
TUE
E WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE MORNING.
TUE NIGHT
SE WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 9 SECONDS.
WED
E WINDS 5 KT. SEAS 2 TO 3 FT.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
THU
S WINDS 5 TO 10 KT. SEAS 3 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
THU NIGHT
S 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.
AMZ364-302300-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
539 AM EDT SUN AUG 30 2026
TODAY
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
8 SECONDS AND SE 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS AND
TSTMS UNTIL LATE AFTERNOON, THEN A SLIGHT CHANCE OF SHOWERS AND
TSTMS LATE.
TONIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.
MON
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
8 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
MON NIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 8 SECONDS.
TUE
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 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.
TUE NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT
AT 8 SECONDS.
WED
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WED NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
THU
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
THU NIGHT
S 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.
AMZ380-302300-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
539 AM EDT SUN AUG 30 2026
TODAY
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT
AT 8 SECONDS. A CHANCE OF SHOWERS AND TSTMS UNTIL LATE AFTERNOON,
THEN A SLIGHT CHANCE OF SHOWERS AND TSTMS LATE.
TONIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS. A SLIGHT CHANCE OF
TSTMS AFTER MIDNIGHT.
MON
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS. A CHANCE OF SHOWERS AND TSTMS, MAINLY IN THE
MORNING.
MON NIGHT
SE WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS.
TUE
E WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE MORNING.
TUE NIGHT
SE WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 9 SECONDS.
WED
SE WINDS 5 KT. SEAS 3 TO 4 FT.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
THU
S WINDS 5 KT. SEAS 3 FT.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS 3 FT. A SLIGHT CHANCE OF
SHOWERS AND 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 SUN AUG 30 2026
TODAY
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 8 SECONDS AND SE 2 FT AT 4 SECONDS. A CHANCE OF SHOWERS AND
TSTMS UNTIL LATE AFTERNOON, THEN A SLIGHT CHANCE OF SHOWERS AND
TSTMS LATE.
TONIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS AFTER
MIDNIGHT.
MON
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS. A CHANCE OF SHOWERS. A CHANCE OF TSTMS, MAINLY IN
THE MORNING.
MON NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 8 SECONDS.
TUE
E WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TUE NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT
AT 9 SECONDS.
WED
E WINDS 5 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
WED NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
THU
S WINDS 5 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS 3 FT. A SLIGHT 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 SUN AUG 30 2026
TODAY
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 8 SECONDS AND SE 2 FT AT 4 SECONDS. A CHANCE OF SHOWERS AND
TSTMS UNTIL LATE AFTERNOON, THEN A SLIGHT CHANCE OF SHOWERS AND
TSTMS LATE.
TONIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS AFTER
MIDNIGHT.
MON
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT
8 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
MON NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS AFTER
MIDNIGHT.
TUE
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
TUE NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS.
WED
E WINDS 5 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
WED NIGHT
SE WINDS 5 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
THU
SE WINDS 5 KT. SEAS 3 FT. A SLIGHT CHANCE OF SHOWERS AND
TSTMS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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