339
FZUS52 KCHS 230939
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 AM EDT SAT MAY 23 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-232300-
539 AM EDT SAT MAY 23 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
A RIDGE OF HIGH PRESSURE EAST OF THE SOUTHERN APPALACHIANS WILL
BEGIN TO WEAKEN AND RECEDE TO THE NORTH TODAY. A WARM AND MOIST
AIR MASS WILL REMAIN ACROSS THE REGION THROUGH MUCH OF NEXT WEEK.
THIS ENVIRONMENT MAY SUPPORT ROUNDS OF SHOWER AND THUNDERSTORM,
PRIMARILY DURING THE AFTERNOON AND EVENING HOURS ALONG THE SEA
BREEZE.
AMZ340-232300-
CHARLESTON HARBOR-
539 AM EDT SAT MAY 23 2026
TODAY
SE WINDS 5 TO 10 KT.
TONIGHT
S WINDS 5 TO 10 KT. A CHANCE OF TSTMS. A CHANCE OF
SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
SUN
S WINDS 5 TO 10 KT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
SUN NIGHT
S WINDS 5 TO 10 KT. A CHANCE OF SHOWERS. A CHANCE OF
TSTMS, MAINLY IN THE EVENING.
MON
S WINDS 5 TO 10 KT. A CHANCE OF SHOWERS. A SLIGHT CHANCE
OF TSTMS IN THE AFTERNOON.
MON NIGHT
S WINDS 5 TO 10 KT.
TUE
S WINDS 5 TO 10 KT. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF TSTMS.
TUE NIGHT
S WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS AND
TSTMS.
WED
S WINDS 5 TO 10 KT. A CHANCE OF SHOWERS AND TSTMS.
WED NIGHT
SW WINDS 5 TO 10 KT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
AMZ360-232300-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
539 AM EDT SAT MAY 23 2026
TODAY
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
4 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS EARLY THIS MORNING.
A CHANCE OF SHOWERS LATE THIS MORNING, THEN A SLIGHT CHANCE OF
SHOWERS EARLY THIS AFTERNOON.
TONIGHT
S WINDS 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS. A CHANCE OF TSTMS. A CHANCE OF SHOWERS IN THE EVENING,
THEN SHOWERS LIKELY AFTER MIDNIGHT.
SUN
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
TO 20 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 8 SECONDS. A CHANCE OF TSTMS. SHOWERS LIKELY, MAINLY IN THE
MORNING.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
4 FT AT 8 SECONDS. A SLIGHT CHANCE OF TSTMS. A SLIGHT CHANCE OF
SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
MON
S WINDS 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT
8 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS, MAINLY
IN THE MORNING.
MON NIGHT
S WINDS 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
TUE NIGHT
S WINDS 10 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WED
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WED 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.
AMZ362-232300-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 AM EDT SAT MAY 23 2026
TODAY
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
4 FT AT 8 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS. A CHANCE OF TSTMS. A CHANCE OF SHOWERS.
SUN
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS. A
CHANCE OF TSTMS. SHOWERS LIKELY, MAINLY IN THE MORNING.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
4 FT AT 8 SECONDS. A SLIGHT CHANCE OF TSTMS. A SLIGHT CHANCE OF
SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
MON
S WINDS 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT
8 SECONDS. A CHANCE OF SHOWERS, MAINLY IN THE MORNING.
MON NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
4 FT AT 8 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE
S WINDS 10 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
TUE NIGHT
S WINDS 10 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WED
S WINDS 10 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
WED NIGHT
SW 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.
AMZ364-232300-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
539 AM EDT SAT MAY 23 2026
TODAY
SE WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS AND E 1 FOOT AT 9 SECONDS.
TONIGHT
S WINDS 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS AND
TSTMS IN THE EVENING, THEN A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF TSTMS AFTER MIDNIGHT.
SUN
S WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS AND E 1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS AND
TSTMS.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS AND E 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF
TSTMS IN THE EVENING. A CHANCE OF SHOWERS.
MON
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS AND E 1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS,
MAINLY IN THE MORNING.
MON NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
4 FT AT 8 SECONDS AND E 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
TUE
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
WED
S WINDS 10 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS AND
TSTMS.
WED NIGHT
S 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.
AMZ380-232300-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
539 AM EDT SAT MAY 23 2026
TODAY
SE WINDS 5 TO 10 KT. SEAS 4 FT. WAVE DETAIL: SE 4 FT AT
8 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS
UNTIL LATE AFTERNOON, THEN A CHANCE OF SHOWERS AND TSTMS LATE.
TONIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
4 FT AT 8 SECONDS. A CHANCE OF TSTMS. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
SUN
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SE 4 FT
AT 8 SECONDS AND E 1 FOOT AT 8 SECONDS. SHOWERS WITH A CHANCE OF
TSTMS.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO
5 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND E 2 FT AT 8 SECONDS.
A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
MON
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SE 4 FT
AT 8 SECONDS AND E 2 FT AT 9 SECONDS. A SLIGHT CHANCE OF TSTMS IN
THE MORNING. A CHANCE OF SHOWERS.
MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO
5 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND E 2 FT AT 9 SECONDS.
A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TUE
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
WED
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ382-232300-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT SAT MAY 23 2026
TODAY
SE WINDS 5 TO 10 KT. SEAS 4 FT. WAVE DETAIL: SE 4 FT AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS EARLY THIS MORNING. A
CHANCE OF SHOWERS LATE THIS MORNING AND EARLY AFTERNOON, THEN A
CHANCE OF TSTMS WITH A SLIGHT CHANCE OF SHOWERS LATE.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS. A CHANCE OF TSTMS. A
SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS
AFTER MIDNIGHT.
SUN
S WINDS 10 TO 15 KT. SEAS 4 FT. WAVE DETAIL: SE 4 FT AT
8 SECONDS. SHOWERS LIKELY WITH A CHANCE OF TSTMS IN THE MORNING,
THEN A CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO
5 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND E 2 FT AT 8 SECONDS.
A SLIGHT CHANCE OF TSTMS. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
MON
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SE 4 FT
AT 8 SECONDS AND E 2 FT AT 9 SECONDS. A CHANCE OF SHOWERS, MAINLY
IN THE MORNING.
MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO
5 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND E 2 FT AT 9 SECONDS.
A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TUE
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
WED
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
WED NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ384-232300-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT SAT MAY 23 2026
TODAY
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
4 FT AT 8 SECONDS AND E 1 FOOT AT 9 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
4 FT AT 8 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE OF TSTMS. A
SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS
AFTER MIDNIGHT.
SUN
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 8 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS AND
TSTMS.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 4 FT.
WAVE DETAIL: SE 4 FT AT 8 SECONDS AND E 1 FOOT AT 8 SECONDS. A
SLIGHT CHANCE OF SHOWERS AND TSTMS.
MON
S WINDS 10 TO 15 KT. SEAS 4 FT. WAVE DETAIL: SE 4 FT AT
8 SECONDS AND E 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS
IN THE MORNING.
MON NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO
5 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND NE 1 FOOT AT
9 SECONDS.
TUE
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
WED
S WINDS 10 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
WED NIGHT
S WINDS 10 TO 15 KT. SEAS 4 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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