557
FZUS52 KCHS 092139
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 PM EDT THU JUL 9 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-101100-
539 PM EDT THU JUL 9 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
HIGH PRESSURE WILL PERSIST OVER THE REGION THROUGH THE WORK WEEK.
A COLD FRONT MAY PUSH SOUTH OVER THE AREA LATE THIS WEEKEND.
AMZ340-101100-
CHARLESTON HARBOR-
539 PM EDT THU JUL 9 2026
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT.
FRI
SW WINDS 10 TO 15 KT. A SLIGHT CHANCE OF SHOWERS AND TSTMS
IN THE AFTERNOON.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS IN THE EVENING.
SAT
W WINDS 10 KT, BECOMING SW 15 TO 20 KT WITH GUSTS TO 25 KT
IN THE AFTERNOON. WAVES 1 TO 2 FT. A SLIGHT CHANCE OF SHOWERS AND
TSTMS IN THE AFTERNOON.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS AND TSTMS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SHOWERS
WITH TSTMS LIKELY IN THE AFTERNOON.
SUN NIGHT
W WINDS 5 KT, BECOMING NW AFTER MIDNIGHT. SHOWERS.
TSTMS LIKELY, MAINLY IN THE EVENING.
MON
NE WINDS 5 TO 10 KT. SHOWERS WITH TSTMS LIKELY.
MON NIGHT
NE WINDS 5 TO 10 KT. SHOWERS LIKELY WITH A CHANCE OF
TSTMS.
TUE
NE WINDS 10 KT. A CHANCE OF SHOWERS AND TSTMS.
TUE NIGHT
NE 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.
AMZ360-101100-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
539 PM EDT THU JUL 9 2026
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS.
FRI
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND
SE 2 FT AT 9 SECONDS.
FRI NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: S 5 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS.
SAT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO 5 FT,
SUBSIDING TO 3 TO 4 FT IN THE AFTERNOON. WAVE DETAIL: S 4 FT AT
7 SECONDS, BECOMING SW 4 FT AT 5 SECONDS AND SE 2 FT AT
8 SECONDS.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO
5 FT, SUBSIDING TO 3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: SW 4 FT
AT 5 SECONDS AND SE 2 FT AT 9 SECONDS, BECOMING SW 4 FT AT
6 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS AND
TSTMS.
SUN
W WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT, SUBSIDING TO 2 TO 3 FT IN THE
AFTERNOON. WAVE DETAIL: S 3 FT AT 7 SECONDS, BECOMING S 2 FT AT
6 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE MORNING,
THEN SHOWERS LIKELY WITH A CHANCE OF TSTMS IN THE AFTERNOON.
SUN NIGHT
W WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. SHOWERS WITH A CHANCE OF TSTMS.
MON
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. SHOWERS WITH TSTMS
LIKELY.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 FT. SHOWERS WITH A
CHANCE OF TSTMS.
TUE
NE WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ362-101100-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 PM EDT THU JUL 9 2026
TONIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT LATE.
SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 2 FT AT
9 SECONDS.
FRI
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND
SE 2 FT AT 9 SECONDS.
FRI NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.
SAT
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS.
SAT NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS
AND SE 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
SUN
W WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND
SE 3 FT AT 9 SECONDS. A CHANCE OF SHOWERS AND TSTMS IN THE
AFTERNOON.
SUN NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
2 TO 3 FT. SHOWERS WITH A CHANCE OF TSTMS.
MON
N WINDS 5 TO 10 KT. SEAS 2 FT. SHOWERS WITH TSTMS LIKELY.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. SHOWERS WITH A
CHANCE OF TSTMS.
TUE
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
TUE NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ364-101100-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
539 PM EDT THU JUL 9 2026
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING SW
10 TO 15 KT LATE. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT
5 SECONDS AND SE 2 FT AT 9 SECONDS. A SLIGHT CHANCE OF SHOWERS
AND TSTMS EARLY THIS EVENING.
FRI
W WINDS 10 KT, BECOMING S WITH GUSTS TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND
SE 2 FT AT 9 SECONDS.
FRI NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS.
SAT
W WINDS 10 TO 15 KT, BECOMING S WITH GUSTS TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND
SE 3 FT AT 8 SECONDS.
SAT NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS
AND SE 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS
IN THE EVENING.
SUN
W WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND
SW 2 FT AT 5 SECONDS. A CHANCE OF SHOWERS AND TSTMS IN THE
AFTERNOON.
SUN NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
2 FT. A CHANCE OF TSTMS. SHOWERS, MAINLY IN THE EVENING.
MON
W WINDS 5 TO 10 KT. SEAS 2 FT. SHOWERS WITH TSTMS LIKELY.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 2 FT. SHOWERS WITH A CHANCE
OF TSTMS.
TUE
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
TUE NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ380-101100-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
539 PM EDT THU JUL 9 2026
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 2 FT AT 9 SECONDS.
FRI
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO 5 FT.
WAVE DETAIL: SW 4 FT AT 6 SECONDS AND SE 2 FT AT 8 SECONDS.
FRI NIGHT
SW WINDS 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO 5 FT,
BUILDING TO 5 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: SW 5 FT AT
5 SECONDS AND SE 2 FT AT 8 SECONDS, BECOMING S 5 FT AT 7 SECONDS.
SAT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO 6 FT,
SUBSIDING TO 4 TO 5 FT IN THE AFTERNOON. WAVE DETAIL: S 5 FT AT
7 SECONDS, BECOMING S 4 FT AT 7 SECONDS.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.
A CHANCE OF SHOWERS AND TSTMS.
SUN
W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT
AT 7 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, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 3 FT. SHOWERS WITH TSTMS LIKELY.
MON
N WINDS 10 TO 15 KT. SEAS 3 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 FT. SHOWERS WITH A
CHANCE OF TSTMS.
TUE
NE WINDS 15 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ382-101100-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
539 PM EDT THU JUL 9 2026
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO
4 FT, BUILDING TO 4 TO 5 FT AFTER MIDNIGHT. WAVE DETAIL: SW 4 FT
AT 5 SECONDS AND SE 2 FT AT 9 SECONDS.
FRI
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT, SUBSIDING TO 3 TO 4 FT IN THE
AFTERNOON. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND SE 3 FT AT
9 SECONDS, BECOMING SW 3 FT AT 5 SECONDS AND SE 3 FT AT
8 SECONDS.
FRI NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.
SAT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO 5 FT,
SUBSIDING TO 3 TO 4 FT IN THE AFTERNOON. WAVE DETAIL: SW 4 FT AT
5 SECONDS AND SE 2 FT AT 8 SECONDS, BECOMING SW 3 FT AT 5 SECONDS
AND SE 2 FT AT 8 SECONDS.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 3 FT AT 8 SECONDS.
A SLIGHT CHANCE OF SHOWERS AND TSTMS.
SUN
W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 5 SECONDS AND SE 3 FT AT 8 SECONDS. A CHANCE OF SHOWERS AND
TSTMS IN THE AFTERNOON.
SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING W AFTER MIDNIGHT.
SEAS 2 TO 3 FT. SHOWERS WITH A CHANCE OF TSTMS.
MON
NW WINDS 10 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON NIGHT
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. SHOWERS WITH A
CHANCE OF TSTMS.
TUE
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
TUE NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ384-101100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
539 PM EDT THU JUL 9 2026
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT, DIMINISHING
TO 10 TO 15 KT WITH GUSTS TO 20 KT LATE. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 5 SECONDS AND SE 3 FT AT 9 SECONDS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT.
WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 3 FT AT 8 SECONDS.
FRI NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 3 FT AT 8 SECONDS.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT.
WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 3 FT AT 8 SECONDS.
SAT NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 3 FT AT 8 SECONDS.
SUN
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING SW 5 TO
10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT, SUBSIDING TO 2 TO 3 FT IN
THE AFTERNOON. WAVE DETAIL: SE 3 FT AT 8 SECONDS. A CHANCE OF
SHOWERS AND TSTMS IN THE AFTERNOON.
SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING W AFTER MIDNIGHT.
SEAS 2 TO 3 FT. A CHANCE OF TSTMS. SHOWERS.
MON
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS WITH A
CHANCE OF TSTMS.
TUE
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TUE NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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