259
FZUS52 KCHS 192139
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 PM EDT WED AUG 19 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-201100-
539 PM EDT WED AUG 19 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
TYPICAL SUMMERTIME CONDITIONS WILL PERSIST ACROSS THE LOCAL
WATERS THROUGH THE WEEKEND. SOUTHWEST WINDS COULD INCREASE LATE
IN THE WEEKEND AS A FRONT SETTLES INTO THE REGION.
AMZ340-201100-
CHARLESTON HARBOR-
539 PM EDT WED AUG 19 2026
TONIGHT
SE WINDS 5 KT, BECOMING SW LATE. A SLIGHT CHANCE OF
SHOWERS AND TSTMS EARLY THIS EVENING.
THU
S WINDS 5 KT, INCREASING TO 5 TO 10 KT IN THE AFTERNOON.
THU NIGHT
S WINDS 5 TO 10 KT.
FRI
SW WINDS 5 KT, BECOMING S IN THE AFTERNOON. A SLIGHT
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 TO 15 KT IN THE AFTERNOON.
A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE MORNING, THEN SHOWERS
AND TSTMS LIKELY IN THE AFTERNOON.
SAT NIGHT
SW WINDS 5 TO 10 KT. SHOWERS AND TSTMS LIKELY IN THE
EVENING, THEN SHOWERS LIKELY WITH A CHANCE OF TSTMS AFTER
MIDNIGHT.
SUN
SW WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
SUN NIGHT
SW WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS AND
TSTMS.
MON
SW WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
MON NIGHT
S WINDS 5 TO 10 KT. A CHANCE OF SHOWERS 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 88 DEGREES.
AMZ360-201100-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
539 PM EDT WED AUG 19 2026
TONIGHT
SE WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS
2 FT. WAVE DETAIL: SE 2 FT AT 9 SECONDS AND S 1 FOOT AT
5 SECONDS.
THU
S WINDS 5 KT, INCREASING TO 5 TO 10 KT IN THE AFTERNOON.
SEAS 2 FT. WAVE DETAIL: SE 2 FT AT 9 SECONDS AND S 1 FOOT AT
4 SECONDS.
THU NIGHT
S WINDS 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
4 SECONDS AND SE 2 FT AT 8 SECONDS.
FRI
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND
SE 1 FOOT AT 8 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS
AND TSTMS.
SAT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT. A CHANCE OF TSTMS.
SHOWERS LIKELY.
SUN
SW 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. A CHANCE OF
SHOWERS AND TSTMS.
MON
SW WINDS 5 TO 10 KT. SEAS 2 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ362-201100-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 PM EDT WED AUG 19 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
2 FT. WAVE DETAIL: SE 2 FT AT 9 SECONDS AND S 1 FOOT AT
4 SECONDS.
THU
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
9 SECONDS AND SW 1 FOOT AT 3 SECONDS.
THU NIGHT
S WINDS 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
4 SECONDS AND SE 2 FT AT 8 SECONDS.
FRI
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS
AND TSTMS.
SAT
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
5 SECONDS AND SE 1 FOOT AT 9 SECONDS. A SLIGHT CHANCE OF SHOWERS
AND TSTMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND TSTMS IN
THE AFTERNOON.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
SUN
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
MON
SW WINDS 5 TO 10 KT. SEAS 2 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ364-201100-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
539 PM EDT WED AUG 19 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
2 FT. WAVE DETAIL: SE 2 FT AT 9 SECONDS AND S 1 FOOT AT
3 SECONDS.
THU
W WINDS 5 KT, BECOMING SE IN THE AFTERNOON. SEAS 2 FT.
WAVE DETAIL: SE 2 FT AT 9 SECONDS AND S 1 FOOT AT 3 SECONDS.
THU NIGHT
S WINDS 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
3 SECONDS AND SE 1 FOOT AT 8 SECONDS.
FRI
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE
1 FOOT AT 8 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS
AND TSTMS.
SAT
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND SE
1 FOOT AT 9 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE
MORNING, THEN A CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
SUN
SW WINDS 5 TO 10 KT. SEAS 2 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 2 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
MON
SW WINDS 5 TO 10 KT. SEAS 2 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ380-201100-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
539 PM EDT WED AUG 19 2026
TONIGHT
SE WINDS 5 KT, BECOMING S AFTER MIDNIGHT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS.
THU
S WINDS 5 KT, INCREASING TO 5 TO 10 KT IN THE AFTERNOON.
SEAS 2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND SW 1 FOOT AT
4 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
FRI 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 E 2 FT AT 9 SECONDS. A
CHANCE OF SHOWERS AND TSTMS.
SAT
SW WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SW 3 FT AT
5 SECONDS AND E 2 FT AT 9 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO
4 FT. SHOWERS AND TSTMS LIKELY.
SUN
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
SW WINDS 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
MON
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ382-201100-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
539 PM EDT WED AUG 19 2026
TONIGHT
S WINDS 5 KT, BECOMING SW AFTER MIDNIGHT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
THU
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
9 SECONDS AND SW 1 FOOT AT 3 SECONDS.
THU NIGHT
S WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
FRI
SW WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
5 SECONDS AND SE 2 FT AT 8 SECONDS.
FRI 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.
A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE EVENING, THEN A
CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.
SAT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 5 SECONDS AND SE 2 FT AT 9 SECONDS. A CHANCE OF SHOWERS AND
TSTMS, MAINLY IN THE MORNING.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO
4 FT. A CHANCE OF TSTMS. SHOWERS LIKELY.
SUN
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS.
MON
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
MON NIGHT
S WINDS 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ384-201100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
539 PM EDT WED AUG 19 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
2 FT. WAVE DETAIL: SE 2 FT AT 9 SECONDS AND SW 1 FOOT AT
3 SECONDS.
THU
SW WINDS 5 KT, BECOMING S IN THE AFTERNOON. SEAS 2 FT.
WAVE DETAIL: SE 2 FT AT 9 SECONDS AND SW 1 FOOT AT 3 SECONDS.
THU NIGHT
S WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
FRI
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND
SE 2 FT AT 8 SECONDS.
FRI 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 SHOWERS AND TSTMS.
SAT
SW WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
5 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS AND
TSTMS, MAINLY IN THE MORNING.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF TSTMS. SHOWERS LIKELY, MAINLY IN THE EVENING.
SUN
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
MON
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
MON NIGHT
S WINDS 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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