194
FZUS52 KCHS 012139
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 PM 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
AMZ300-021100-
539 PM EDT FRI MAY 1 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
LOW PRESSURE WILL DEVELOP OFFSHORE SATURDAY BEFORE QUICKLY
PULLING AWAY FROM THE REGION. HIGH PRESSURE WILL THEN PREVAIL
INTO EARLY NEXT WEEK. A COLD FRONT COULD MOVE THROUGH THE WATERS
BY THE MIDDLE OF NEXT WEEK.
AMZ340-021100-
CHARLESTON HARBOR-
539 PM EDT FRI MAY 1 2026
TONIGHT
N WINDS 5 KT. A SLIGHT CHANCE OF TSTMS. SHOWERS
LIKELY.
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 WITH GUSTS TO 20 KT, DIMINISHING
TO 5 TO 10 KT AFTER MIDNIGHT. SHOWERS LIKELY, MAINLY IN THE
EVENING.
SUN
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON.
SUN NIGHT
S WINDS 5 KT.
MON
SW WINDS 5 KT, BECOMING S IN THE AFTERNOON.
MON NIGHT
S WINDS 5 TO 10 KT.
TUE
S WINDS 5 TO 10 KT.
TUE NIGHT
S WINDS 5 TO 10 KT.
WED
S WINDS 10 TO 15 KT.
WED NIGHT
S WINDS 10 TO 15 KT. A SLIGHT CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
AMZ360-021100-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
539 PM EDT FRI MAY 1 2026
TONIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 5 SECONDS AND E 2 FT AT 11 SECONDS. SHOWERS LIKELY WITH A
SLIGHT CHANCE OF TSTMS.
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 1 FOOT AT
10 SECONDS, BECOMING NE 4 FT AT 5 SECONDS AND E 1 FOOT AT
10 SECONDS. SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
SAT NIGHT
N WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT AT 6 SECONDS
AND S 1 FOOT AT 7 SECONDS. SHOWERS LIKELY WITH A SLIGHT CHANCE OF
TSTMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING E 5 TO
10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT AT
6 SECONDS AND E 3 FT AT 9 SECONDS.
SUN NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 7 SECONDS.
MON
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT
AT 7 SECONDS AND S 1 FOOT AT 2 SECONDS.
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 2 TO 3 FT.
WED
S WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.
WED NIGHT
S WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ362-021100-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 PM EDT FRI MAY 1 2026
TONIGHT
N WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
4 SECONDS AND E 1 FOOT AT 11 SECONDS. SHOWERS LIKELY WITH A
SLIGHT CHANCE OF TSTMS.
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 2 FT AT 5 SECONDS AND E 1 FOOT AT
11 SECONDS, BECOMING 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, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS
AND S 1 FOOT AT 6 SECONDS. SHOWERS LIKELY WITH A SLIGHT CHANCE OF
TSTMS IN THE EVENING, THEN A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT.
SUN
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING E 5 TO
10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT
6 SECONDS AND SE 1 FOOT AT 6 SECONDS.
SUN NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 8 SECONDS AND SE 1 FOOT AT 7 SECONDS.
MON
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
8 SECONDS AND SE 1 FOOT AT 8 SECONDS.
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 2 TO 3 FT.
WED
S WINDS 15 KT. SEAS 3 FT.
WED NIGHT
S WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ364-021100-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
539 PM EDT FRI MAY 1 2026
TONIGHT
N WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND
2 FT AFTER MIDNIGHT. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS,
BECOMING NE 1 FOOT AT 4 SECONDS AND E 1 FOOT AT 11 SECONDS. A
CHANCE OF SHOWERS.
SAT
NE WINDS 10 TO 15 KT, BECOMING N 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NE 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, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS
AND S 1 FOOT AT 5 SECONDS. A SLIGHT CHANCE OF TSTMS IN THE
EVENING. A SLIGHT CHANCE OF SHOWERS.
SUN
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING NE 5 TO
10 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT
6 SECONDS AND SE 1 FOOT AT 6 SECONDS.
SUN NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 7 SECONDS.
MON
SE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
8 SECONDS AND SE 1 FOOT AT 8 SECONDS.
MON NIGHT
SE WINDS 10 KT. SEAS 2 FT.
TUE
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
WED
S WINDS 15 KT. SEAS 3 FT.
WED NIGHT
S WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE
OF SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ380-021100-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
539 PM EDT FRI MAY 1 2026
TONIGHT
NE WINDS 5 TO 10 KT, BECOMING N LATE. SEAS 3 FT. WAVE
DETAIL: E 3 FT AT 5 SECONDS AND E 2 FT AT 11 SECONDS. SHOWERS
LIKELY WITH A CHANCE OF TSTMS UNTIL EARLY MORNING, THEN A CHANCE
OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS LATE.
SAT
N WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT, BUILDING TO 4 TO 5 FT IN THE
AFTERNOON. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND E 3 FT AT
10 SECONDS, BECOMING NE 4 FT AT 5 SECONDS AND E 4 FT AT
10 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 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 5 TO 6 FT, SUBSIDING TO 4 TO 6 FT AFTER
MIDNIGHT. WAVE DETAIL: NE 5 FT AT 6 SECONDS AND S 2 FT AT
6 SECONDS, BECOMING NE 5 FT AT 6 SECONDS AND S 2 FT AT 7 SECONDS.
SHOWERS LIKELY 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
E 4 FT AT 9 SECONDS.
SUN NIGHT
S 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
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT
AT 8 SECONDS AND SE 1 FOOT AT 7 SECONDS.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
TUE
S WINDS 10 KT. SEAS 2 TO 3 FT.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED
S WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS.
WED NIGHT
S WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ382-021100-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
539 PM EDT FRI MAY 1 2026
TONIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 4 SECONDS AND E 2 FT AT 11 SECONDS. SHOWERS LIKELY THIS
EVENING. A SLIGHT CHANCE OF TSTMS. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
SAT
N WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT WITH GUSTS
TO 25 KT IN THE AFTERNOON. SEAS 2 TO 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 NE 4 FT AT 6 SECONDS AND S 1 FOOT AT
5 SECONDS. A CHANCE OF SHOWERS 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
6 FT, SUBSIDING TO 4 TO 5 FT AFTER MIDNIGHT. WAVE DETAIL: NE 5 FT
AT 6 SECONDS AND S 1 FOOT AT 6 SECONDS, BECOMING NE 4 FT AT
6 SECONDS AND S 1 FOOT AT 6 SECONDS. SHOWERS LIKELY 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, SUBSIDING TO 3 TO 4 FT IN THE
AFTERNOON. WAVE DETAIL: NE 5 FT AT 6 SECONDS AND SE 1 FOOT AT
6 SECONDS, BECOMING NE 4 FT AT 7 SECONDS AND SE 1 FOOT AT
6 SECONDS.
SUN NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE
3 FT AT 8 SECONDS.
MON
SE WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT
8 SECONDS AND SE 1 FOOT AT 8 SECONDS.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
TUE
S WINDS 10 KT. SEAS 2 TO 3 FT.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED
S WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.
WED NIGHT
S WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ384-021100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
539 PM EDT FRI MAY 1 2026
TONIGHT
N WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: NE 2 FT AT
4 SECONDS AND E 2 FT AT 11 SECONDS. A CHANCE OF SHOWERS.
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 2 FT AT 5 SECONDS AND E 2 FT AT
11 SECONDS, BECOMING N 3 FT AT 5 SECONDS AND E 2 FT AT
11 SECONDS. A CHANCE OF SHOWERS 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: NE 4 FT AT 5 SECONDS AND S 1 FOOT AT
6 SECONDS. SHOWERS LIKELY 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, BECOMING NE 10 TO
15 KT IN THE AFTERNOON. SEAS 4 TO 5 FT, SUBSIDING TO 3 TO 4 FT IN
THE AFTERNOON. WAVE DETAIL: NE 4 FT AT 6 SECONDS AND SE 1 FOOT AT
6 SECONDS, BECOMING NE 4 FT AT 7 SECONDS AND SE 1 FOOT AT
6 SECONDS.
SUN NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: NE 3 FT
AT 8 SECONDS.
MON
E WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT
8 SECONDS AND SE 1 FOOT AT 9 SECONDS.
MON NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
TUE
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED NIGHT
S WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE
OF SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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