661
FZUS52 KCHS 010939
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 AM EDT FRI MAY 1 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-012300-
539 AM EDT FRI MAY 1 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
A SERIES OF UPPER LEVEL DISTURBANCES WILL MOVE THROUGH TODAY
THROUGH SATURDAY, FOLLOWED BY HIGH PRESSURE. A COLD FRONT COULD
MOVE THROUGH TOWARD THE MIDDLE OF NEXT WEEK.
AMZ340-012300-
CHARLESTON HARBOR-
539 AM EDT FRI MAY 1 2026
TODAY
NE WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS LATE
THIS MORNING. SHOWERS LIKELY THIS AFTERNOON.
TONIGHT
N WINDS 5 TO 10 KT. SHOWERS.
SAT
N WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
TO 20 KT IN THE AFTERNOON. SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
SAT NIGHT
N WINDS 10 TO 15 KT. SHOWERS, MAINLY IN THE EVENING.
SUN
N WINDS 10 TO 15 KT, BECOMING NE 5 TO 10 KT IN THE
AFTERNOON.
SUN NIGHT
SE WINDS 5 KT.
MON
S WINDS 5 TO 10 KT.
MON NIGHT
S WINDS 5 TO 10 KT.
TUE
S WINDS 5 TO 10 KT.
TUE NIGHT
S WINDS 5 TO 10 KT.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
AMZ360-012300-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
539 AM EDT FRI MAY 1 2026
TODAY
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 4 SECONDS AND E 2 FT AT 11 SECONDS. A SLIGHT CHANCE OF
SHOWERS THIS MORNING, THEN SHOWERS LIKELY THIS AFTERNOON. A
SLIGHT CHANCE OF TSTMS LATE.
TONIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 5 SECONDS AND E 2 FT AT 11 SECONDS. SHOWERS WITH A SLIGHT
CHANCE OF TSTMS IN THE EVENING, THEN SHOWERS LIKELY AFTER
MIDNIGHT.
SAT
N WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT, BUILDING TO 3 TO 4 FT IN THE
AFTERNOON. WAVE DETAIL: E 3 FT AT 5 SECONDS AND E 2 FT AT
10 SECONDS, BECOMING NE 3 FT AT 5 SECONDS AND E 2 FT AT
10 SECONDS. SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
SAT NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: N 4 FT AT 4 SECONDS AND S 2 FT AT 7 SECONDS.
SHOWERS WITH A SLIGHT CHANCE OF TSTMS IN THE EVENING, THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT, BECOMING NE 10 TO
15 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT AT
6 SECONDS AND N 2 FT AT 3 SECONDS. A SLIGHT CHANCE OF SHOWERS IN
THE MORNING.
SUN NIGHT
SE WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND SE 1 FOOT AT
7 SECONDS.
MON
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT.
TUE
S WINDS 5 TO 10 KT. SEAS 2 FT.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE
OF SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ362-012300-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 AM EDT FRI MAY 1 2026
TODAY
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 3 SECONDS AND S 1 FOOT AT 4 SECONDS. A SLIGHT CHANCE OF
TSTMS. A CHANCE OF SHOWERS THIS MORNING, THEN SHOWERS LIKELY THIS
AFTERNOON.
TONIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 4 SECONDS AND E 1 FOOT AT 12 SECONDS. A SLIGHT CHANCE OF
TSTMS. SHOWERS, MAINLY IN THE EVENING.
SAT
N WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT, BUILDING TO 3 TO 4 FT IN THE
AFTERNOON. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND E 1 FOOT AT
11 SECONDS. SHOWERS. A SLIGHT CHANCE OF TSTMS IN THE MORNING,
THEN A CHANCE OF TSTMS IN THE AFTERNOON.
SAT NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND S 1 FOOT AT 6 SECONDS.
SHOWERS WITH A SLIGHT CHANCE OF TSTMS IN THE EVENING, THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT, BECOMING NE 10 TO
15 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT AT
6 SECONDS AND N 2 FT AT 3 SECONDS.
SUN NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 8 SECONDS.
MON
SE WINDS 5 KT. SEAS 2 FT.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT.
TUE
S WINDS 5 TO 10 KT. SEAS 2 FT.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ364-012300-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
539 AM EDT FRI MAY 1 2026
TODAY
NE WINDS 10 KT. SEAS 2 FT. WAVE DETAIL: E 1 FOOT AT
4 SECONDS AND E 1 FOOT AT 11 SECONDS. A CHANCE OF SHOWERS THIS
MORNING. A CHANCE OF TSTMS. SHOWERS LIKELY THIS AFTERNOON.
TONIGHT
NE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
5 SECONDS AND E 1 FOOT AT 12 SECONDS. SHOWERS LIKELY WITH A
SLIGHT CHANCE OF TSTMS IN THE EVENING, THEN A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS AFTER MIDNIGHT.
SAT
NE WINDS 10 TO 15 KT, BECOMING N 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT, BUILDING TO 3 TO 4 FT IN THE
AFTERNOON. WAVE DETAIL: NE 2 FT AT 5 SECONDS AND E 1 FOOT AT
11 SECONDS, BECOMING N 3 FT AT 4 SECONDS AND E 1 FOOT AT
11 SECONDS. SHOWERS. A SLIGHT CHANCE OF TSTMS IN THE MORNING,
THEN A CHANCE OF TSTMS IN THE AFTERNOON.
SAT NIGHT
N WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: N
3 FT AT 4 SECONDS AND NE 3 FT AT 5 SECONDS. SHOWERS WITH A CHANCE
OF TSTMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
N WINDS 15 TO 20 KT, BECOMING NE 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT AT 6 SECONDS AND
SE 1 FOOT AT 6 SECONDS.
SUN NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 7 SECONDS.
MON
E WINDS 5 TO 10 KT. SEAS 2 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT.
TUE
S WINDS 5 TO 10 KT. SEAS 2 FT.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ380-012300-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
539 AM EDT FRI MAY 1 2026
TODAY
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE
3 FT AT 4 SECONDS AND E 2 FT AT 11 SECONDS. A SLIGHT CHANCE OF
SHOWERS THIS MORNING, THEN SHOWERS LIKELY WITH A SLIGHT CHANCE OF
TSTMS THIS AFTERNOON.
TONIGHT
NE WINDS 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT
AT 5 SECONDS AND E 2 FT AT 11 SECONDS. A SLIGHT CHANCE OF TSTMS.
SHOWERS.
SAT
N WINDS 10 TO 15 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT, BUILDING TO 4 TO 5 FT IN THE
AFTERNOON. WAVE DETAIL: E 4 FT AT 10 SECONDS AND NE 3 FT AT
6 SECONDS, BECOMING N 4 FT AT 5 SECONDS AND E 4 FT AT 10 SECONDS.
SHOWERS WITH A SLIGHT CHANCE OF TSTMS IN THE MORNING, THEN
SHOWERS WITH A CHANCE OF TSTMS IN THE AFTERNOON.
SAT NIGHT
N WINDS 20 TO 25 KT. SEAS 5 TO 6 FT. WAVE DETAIL: N
5 FT AT 6 SECONDS AND S 3 FT AT 7 SECONDS. SHOWERS WITH A SLIGHT
CHANCE OF TSTMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT.
SUN
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 5 TO 6 FT, SUBSIDING TO 4 TO 6 FT IN THE
AFTERNOON. WAVE DETAIL: NE 5 FT AT 6 SECONDS AND S 2 FT AT
7 SECONDS, BECOMING NE 5 FT AT 7 SECONDS AND SE 1 FOOT AT
7 SECONDS. A SLIGHT CHANCE OF SHOWERS IN THE MORNING.
SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE
4 FT AT 8 SECONDS AND SE 1 FOOT AT 7 SECONDS.
MON
SE WINDS 5 KT. SEAS 2 TO 3 FT.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT.
TUE
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE
OF SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ382-012300-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT FRI MAY 1 2026
TODAY
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 4 SECONDS AND E 2 FT AT 11 SECONDS. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS THIS MORNING, THEN SHOWERS LIKELY
WITH A CHANCE OF TSTMS THIS AFTERNOON.
TONIGHT
NE WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: NE 2 FT
AT 5 SECONDS AND E 2 FT AT 11 SECONDS. SHOWERS WITH A CHANCE OF
TSTMS IN THE EVENING, THEN A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF TSTMS AFTER MIDNIGHT.
SAT
N WINDS 15 TO 20 KT, BECOMING NW 20 TO 25 KT IN THE
AFTERNOON. SEAS 3 FT, BUILDING TO 4 TO 5 FT IN THE AFTERNOON.
WAVE DETAIL: NE 3 FT AT 6 SECONDS AND E 2 FT AT 11 SECONDS,
BECOMING N 5 FT AT 5 SECONDS AND E 2 FT AT 10 SECONDS. SHOWERS
WITH A SLIGHT CHANCE OF TSTMS IN THE MORNING, THEN SHOWERS WITH A
CHANCE OF TSTMS IN THE AFTERNOON.
SAT NIGHT
N WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: N
5 FT AT 4 SECONDS AND NE 5 FT AT 6 SECONDS. SHOWERS WITH A CHANCE
OF TSTMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
N 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: NE 5 FT AT
6 SECONDS AND SE 1 FOOT AT 7 SECONDS, BECOMING NE 5 FT AT
7 SECONDS AND SE 1 FOOT AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS
IN THE MORNING.
SUN NIGHT
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE
4 FT AT 7 SECONDS.
MON
E WINDS 5 KT. SEAS 2 TO 3 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
TUE
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE
OF SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ384-012300-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT FRI MAY 1 2026
TODAY
NE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: NE 2 FT AT
4 SECONDS AND SE 1 FOOT AT 5 SECONDS. A CHANCE OF SHOWERS THIS
MORNING. A CHANCE OF TSTMS. SHOWERS LIKELY THIS AFTERNOON.
TONIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 4 SECONDS AND E 2 FT AT 12 SECONDS. A SLIGHT CHANCE OF
TSTMS. SHOWERS LIKELY, MAINLY IN THE EVENING.
SAT
NE WINDS 10 TO 15 KT, BECOMING NW 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT, BUILDING TO 4 TO 5 FT IN THE
AFTERNOON. WAVE DETAIL: NE 2 FT AT 5 SECONDS AND E 2 FT AT
11 SECONDS, BECOMING N 4 FT AT 5 SECONDS AND S 2 FT AT 5 SECONDS.
SHOWERS LIKELY WITH A SLIGHT CHANCE OF TSTMS IN THE MORNING, THEN
SHOWERS WITH A CHANCE OF TSTMS IN THE AFTERNOON.
SAT NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: N 5 FT AT 5 SECONDS AND S 2 FT AT 5 SECONDS.
SHOWERS WITH A CHANCE OF TSTMS IN THE EVENING, THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT.
SUN
N WINDS 15 TO 20 KT, BECOMING NE 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: NE 5 FT AT 6 SECONDS AND
SE 1 FOOT AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING.
SUN NIGHT
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE
4 FT AT 8 SECONDS.
MON
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
TUE
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page