633
FZUS52 KCHS 042139
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 PM EDT SUN OCT 4 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-051100-
539 PM EDT SUN OCT 4 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
A COLD FRONT WILL MEANDER NEAR THE REGION THROUGH MONDAY, THEN
PUSH OFFSHORE AND TO THE SOUTH MONDAY NIGHT. A WEDGE OF STRONG
HIGH PRESSURE WILL THEN DOMINATE THE AREA THIS WEEK AS LOW
PRESSURE DEVELOPS WELL OFFSHORE.
AMZ340-051100-
CHARLESTON HARBOR-
539 PM EDT SUN OCT 4 2026
TONIGHT
S WINDS 5 KT, BECOMING N LATE THIS EVENING. A CHANCE
OF TSTMS THIS EVENING. SHOWERS. A SLIGHT CHANCE OF TSTMS AFTER
MIDNIGHT.
MON
N WINDS 5 TO 10 KT. SHOWERS LIKELY WITH A SLIGHT CHANCE OF
TSTMS.
MON NIGHT
NE WINDS 10 TO 15 KT. GUSTS TO 25 KT AFTER MIDNIGHT.
A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
A SLIGHT CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. WAVES 2 TO 3 FT.
WED
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT.
WED NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO 5 KT AFTER
MIDNIGHT.
THU
NE WINDS 5 TO 10 KT.
THU NIGHT
NE WINDS 5 TO 10 KT.
FRI
NE WINDS 10 TO 15 KT. A SLIGHT CHANCE OF SHOWERS.
FRI NIGHT
NE WINDS 10 TO 15 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 80 DEGREES.
AMZ360-051100-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
539 PM EDT SUN OCT 4 2026
...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH LATE
TUESDAY NIGHT...
TONIGHT
S WINDS 5 KT, BECOMING W LATE THIS EVENING, THEN
BECOMING N LATE. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS AND
E 1 FOOT AT 10 SECONDS. A CHANCE OF TSTMS.
MON
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT
AT 6 SECONDS AND SE 2 FT AT 6 SECONDS. SHOWERS LIKELY WITH A
SLIGHT CHANCE OF TSTMS.
MON NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO 3 TO 4 FT AFTER
MIDNIGHT. WAVE DETAIL: E 3 FT AT 6 SECONDS, BECOMING SE 4 FT AT
6 SECONDS. A SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT.
TUE
NE WINDS 25 TO 30 KT WITH GUSTS TO 40 KT. SEAS 5 TO 7 FT,
BUILDING TO 7 TO 9 FT IN THE AFTERNOON. WAVE DETAIL: E 7 FT AT
6 SECONDS, BECOMING E 9 FT AT 7 SECONDS. A CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS TO 40 KT,
DIMINISHING TO 20 TO 25 KT WITH GUSTS TO 30 KT AFTER MIDNIGHT.
SEAS 7 TO 9 FT, SUBSIDING TO 6 TO 8 FT AFTER MIDNIGHT. WAVE
DETAIL: E 9 FT AT 8 SECONDS, BECOMING E 8 FT AT 8 SECONDS. A
SLIGHT CHANCE OF SHOWERS.
WED
NE WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NE 7 FT
AT 7 SECONDS.
WED NIGHT
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT, SUBSIDING TO 4 TO 5 FT AFTER
MIDNIGHT.
THU
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI
NE WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
FRI NIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ362-051100-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 PM EDT SUN OCT 4 2026
...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH LATE
TUESDAY NIGHT...
TONIGHT
VARIABLE WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT
AT 6 SECONDS AND E 1 FOOT AT 11 SECONDS. A CHANCE OF TSTMS.
SHOWERS LIKELY, MAINLY THIS EVENING.
MON
N WINDS 5 TO 10 KT, BECOMING NE 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS. A
SLIGHT CHANCE OF TSTMS. SHOWERS.
MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: E 4 FT AT 6 SECONDS. A CHANCE OF SHOWERS.
TUE
NE WINDS 25 TO 30 KT WITH GUSTS TO 40 KT. SEAS 5 TO 7 FT,
BUILDING TO 7 TO 9 FT IN THE AFTERNOON. WAVE DETAIL: E 6 FT AT
6 SECONDS, BECOMING E 9 FT AT 7 SECONDS. SHOWERS LIKELY. A SLIGHT
CHANCE OF TSTMS IN THE AFTERNOON.
TUE NIGHT
NE WINDS 25 TO 30 KT. SEAS 8 TO 10 FT. WAVE DETAIL:
E 10 FT AT 8 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
TSTMS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 6 TO 8 FT,
SUBSIDING TO 5 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: E 8 FT AT
8 SECONDS, BECOMING E 7 FT AT 8 SECONDS. A SLIGHT CHANCE OF
SHOWERS IN THE MORNING.
WED NIGHT
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 5 TO 7 FT, SUBSIDING TO 4 TO 5 FT AFTER
MIDNIGHT.
THU
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI
NE WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
FRI NIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ364-051100-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
539 PM EDT SUN OCT 4 2026
...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH WEDNESDAY
MORNING...
TONIGHT
E WINDS 5 KT, BECOMING NW LATE THIS EVENING, THEN
BECOMING SW 5 KT AFTER MIDNIGHT, BECOMING N 5 KT LATE. SEAS 2 FT.
WAVE DETAIL: SE 2 FT AT 6 SECONDS AND E 1 FOOT AT 11 SECONDS.
SHOWERS WITH A CHANCE OF TSTMS THIS EVENING, THEN A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS AFTER MIDNIGHT.
MON
NE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS AND E
2 FT AT 10 SECONDS. A SLIGHT CHANCE OF TSTMS. SHOWERS.
MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 2 TO
3 FT, BUILDING TO 3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: E 3 FT
AT 6 SECONDS, BECOMING E 4 FT AT 5 SECONDS. A SLIGHT CHANCE OF
TSTMS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY
AFTER MIDNIGHT.
TUE
NE WINDS 25 TO 30 KT, INCREASING TO 30 TO 35 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT, BUILDING TO 7 TO 9 FT IN THE
AFTERNOON. WAVE DETAIL: E 6 FT AT 6 SECONDS, BECOMING E 9 FT AT
7 SECONDS. SHOWERS. A SLIGHT CHANCE OF TSTMS IN THE MORNING, THEN
A CHANCE OF TSTMS IN THE AFTERNOON.
TUE NIGHT
NE WINDS 30 TO 35 KT, DIMINISHING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 8 TO 10 FT. WAVE DETAIL: E 10 FT AT
8 SECONDS. A SLIGHT CHANCE OF TSTMS. SHOWERS LIKELY, MAINLY IN
THE EVENING.
WED
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT, SUBSIDING TO 6 TO
8 FT IN THE AFTERNOON. WAVE DETAIL: NE 9 FT AT 8 SECONDS,
BECOMING NE 8 FT AT 8 SECONDS. A CHANCE OF SHOWERS, MAINLY IN THE
MORNING.
WED NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT,
DIMINISHING TO 15 TO 20 KT AFTER MIDNIGHT. SEAS 6 TO 8 FT,
SUBSIDING TO 5 TO 7 FT AFTER MIDNIGHT.
THU
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
THU NIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A SLIGHT
CHANCE OF SHOWERS.
FRI
NE WINDS 20 TO 25 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
FRI NIGHT
NE WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ380-051100-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
539 PM EDT SUN OCT 4 2026
...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH LATE
TUESDAY NIGHT...
TONIGHT
SW WINDS 5 KT, BECOMING NW AFTER MIDNIGHT. SEAS 2 TO
3 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND E 2 FT AT 10 SECONDS.
A CHANCE OF SHOWERS AND TSTMS THIS EVENING, THEN SHOWERS LIKELY
WITH A CHANCE OF TSTMS AFTER MIDNIGHT.
MON
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT
AT 6 SECONDS AND SE 2 FT AT 6 SECONDS. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT, BUILDING TO 4 TO 6 FT AFTER
MIDNIGHT. WAVE DETAIL: NE 4 FT AT 5 SECONDS AND S 1 FOOT AT
6 SECONDS, BECOMING NE 5 FT AT 6 SECONDS. A CHANCE OF SHOWERS. A
SLIGHT CHANCE OF TSTMS AFTER MIDNIGHT.
TUE
NE WINDS 25 TO 30 KT WITH GUSTS TO 40 KT. SEAS 6 TO 8 FT,
BUILDING TO 9 TO 11 FT IN THE AFTERNOON. WAVE DETAIL: NE 8 FT AT
7 SECONDS, BECOMING NE 11 FT AT 8 SECONDS. SHOWERS LIKELY WITH A
SLIGHT CHANCE OF TSTMS.
TUE NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS TO 40 KT,
DIMINISHING TO 20 TO 25 KT WITH GUSTS TO 30 KT AFTER MIDNIGHT.
SEAS 9 TO 11 FT, SUBSIDING TO 7 TO 9 FT AFTER MIDNIGHT. WAVE
DETAIL: NE 11 FT AT 8 SECONDS, BECOMING NE 9 FT AT 8 SECONDS. A
SLIGHT CHANCE OF TSTMS IN THE EVENING. A CHANCE OF SHOWERS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 6 TO 8 FT.
WAVE DETAIL: NE 8 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
TSTMS.
WED NIGHT
NE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 5 TO 7 FT, SUBSIDING TO 5 TO 6 FT AFTER
MIDNIGHT.
THU
NE WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE OF
SHOWERS.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A SLIGHT
CHANCE OF SHOWERS.
FRI
NE WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
FRI NIGHT
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ382-051100-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
539 PM EDT SUN OCT 4 2026
...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH WEDNESDAY
MORNING...
TONIGHT
S WINDS 5 KT, BECOMING NW AFTER MIDNIGHT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS AND E 2 FT AT 11 SECONDS.
SHOWERS LIKELY THIS EVENING. A CHANCE OF TSTMS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
MON
N WINDS 5 TO 10 KT, BECOMING NE 10 TO 15 KT WITH GUSTS TO
20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT
7 SECONDS AND SE 2 FT AT 6 SECONDS. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
MON NIGHT
NE 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: E 4 FT
AT 6 SECONDS, BECOMING NE 5 FT AT 6 SECONDS. A SLIGHT CHANCE OF
TSTMS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY
AFTER MIDNIGHT.
TUE
NE WINDS 25 TO 30 KT WITH GUSTS TO 40 KT. SEAS 6 TO 8 FT,
BUILDING TO 9 TO 11 FT IN THE AFTERNOON. WAVE DETAIL: NE 8 FT AT
7 SECONDS, BECOMING NE 11 FT AT 8 SECONDS. SHOWERS WITH A CHANCE
OF TSTMS.
TUE NIGHT
NE WINDS 25 TO 35 KT. SEAS 10 TO 12 FT, SUBSIDING TO
9 TO 11 FT AFTER MIDNIGHT. WAVE DETAIL: NE 12 FT AT 8 SECONDS,
BECOMING NE 10 FT AT 8 SECONDS. SHOWERS WITH A CHANCE OF TSTMS IN
THE EVENING, THEN A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
TSTMS AFTER MIDNIGHT.
WED
NE WINDS 25 KT WITH GUSTS TO 35 KT. SEAS 8 TO 9 FT,
SUBSIDING TO 7 TO 9 FT IN THE AFTERNOON. WAVE DETAIL: NE 9 FT AT
8 SECONDS, BECOMING NE 8 FT AT 8 SECONDS. A SLIGHT CHANCE OF
TSTMS. A CHANCE OF SHOWERS, MAINLY IN THE MORNING.
WED NIGHT
NE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 6 TO 8 FT, SUBSIDING TO 5 TO 7 FT AFTER
MIDNIGHT.
THU
NE WINDS 15 TO 20 KT. SEAS 5 TO 6 FT. A SLIGHT CHANCE OF
SHOWERS.
THU NIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS.
FRI
NE WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
FRI NIGHT
E WINDS 15 TO 20 KT. SEAS 5 TO 6 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ384-051100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
539 PM EDT SUN OCT 4 2026
...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH WEDNESDAY
MORNING...
TONIGHT
E WINDS 5 KT, BECOMING W AFTER MIDNIGHT, THEN BECOMING
NW LATE. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS AND E
2 FT AT 11 SECONDS. A CHANCE OF TSTMS.
MON
N WINDS 5 TO 10 KT, BECOMING NE 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS AND
E 2 FT AT 10 SECONDS. A SLIGHT CHANCE OF TSTMS. SHOWERS.
MON NIGHT
NE 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: E 4 FT
AT 6 SECONDS, BECOMING NE 5 FT AT 5 SECONDS. A SLIGHT CHANCE OF
TSTMS. SHOWERS.
TUE
NE WINDS 25 TO 30 KT WITH GUSTS TO 40 KT. SEAS 5 TO 7 FT,
BUILDING TO 8 TO 10 FT IN THE AFTERNOON. WAVE DETAIL: E 7 FT AT
6 SECONDS, BECOMING NE 10 FT AT 7 SECONDS. SHOWERS WITH A CHANCE
OF TSTMS.
TUE NIGHT
NE WINDS 30 TO 35 KT, DIMINISHING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 10 TO 11 FT, SUBSIDING TO 9 TO 11 FT AFTER
MIDNIGHT. WAVE DETAIL: NE 11 FT AT 8 SECONDS, BECOMING NE 11 FT
AT 9 SECONDS. SHOWERS WITH A CHANCE OF TSTMS IN THE EVENING, THEN
SHOWERS LIKELY WITH A SLIGHT CHANCE OF TSTMS AFTER MIDNIGHT.
WED
NE WINDS 25 TO 30 KT. SEAS 8 TO 9 FT. WAVE DETAIL: NE 9 FT
AT 8 SECONDS. A SLIGHT CHANCE OF TSTMS. SHOWERS LIKELY, MAINLY IN
THE MORNING.
WED NIGHT
NE WINDS 25 TO 30 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 7 TO 9 FT, SUBSIDING TO 6 TO 8 FT AFTER
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
THU
NE WINDS 20 KT. SEAS 5 TO 7 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
THU NIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS.
FRI
NE WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
FRI NIGHT
E WINDS 15 TO 20 KT. SEAS 5 TO 6 FT. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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