540
FZUS52 KCHS 270939
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 AM EDT SUN SEP 27 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-272300-
539 AM EDT SUN SEP 27 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
HIGH PRESSURE WILL EXTEND ACROSS THE REGION INTO NEXT WEEK. A
STRONG NOR'EASTER LOCATED WELL TO THE NORTHEAST OF CAPE HATTERAS
WILL MOVE CLOSER TO THE MID-ATLANTIC STATES AND NEW ENGLAND OVER
THE WEEKEND INTO EARLY NEXT WEEK.
AMZ340-272300-
CHARLESTON HARBOR-
539 AM EDT SUN SEP 27 2026
TODAY
NW WINDS 5 KT, BECOMING W THIS AFTERNOON.
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT.
MON
N WINDS 5 KT, BECOMING SE IN THE AFTERNOON.
MON NIGHT
VARIABLE WINDS 5 KT.
TUE
VARIABLE WINDS 5 KT.
TUE NIGHT
SE WINDS 5 KT.
WED
E WINDS 5 TO 10 KT.
WED NIGHT
SE WINDS 5 TO 10 KT.
THU
E WINDS 5 TO 10 KT.
THU NIGHT
SE WINDS 5 TO 10 KT.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 78 DEGREES.
AMZ360-272300-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
539 AM EDT SUN SEP 27 2026
TODAY
NW WINDS 5 TO 10 KT, BECOMING W THIS AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 12 SECONDS AND S 2 FT AT
6 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 6 SECONDS AND E
2 FT AT 11 SECONDS.
MON
N WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND E 2 FT AT
10 SECONDS.
MON NIGHT
SW WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
5 SECONDS AND E 2 FT AT 10 SECONDS.
TUE
VARIABLE WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: S 1 FOOT AT
5 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S
1 FOOT AT 5 SECONDS AND E 1 FOOT AT 10 SECONDS.
WED
E WINDS 5 TO 10 KT. SEAS 2 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT.
THU
E WINDS 5 TO 10 KT. SEAS 2 FT.
THU NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
AMZ362-272300-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 AM EDT SUN SEP 27 2026
TODAY
NW WINDS 5 TO 10 KT, BECOMING SW THIS AFTERNOON. SEAS
3 TO 4 FT, SUBSIDING TO 2 TO 3 FT THIS AFTERNOON. WAVE DETAIL: E
3 FT AT 11 SECONDS AND S 1 FOOT AT 5 SECONDS, BECOMING E 3 FT AT
11 SECONDS AND SE 1 FOOT AT 5 SECONDS.
TONIGHT
SW WINDS 10 KT. SEAS 3 FT. WAVE DETAIL: E 3 FT AT
11 SECONDS AND S 2 FT AT 5 SECONDS.
MON
NW WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND E 2 FT AT
11 SECONDS.
MON NIGHT
S WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
5 SECONDS AND E 2 FT AT 10 SECONDS.
TUE
SE WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS
AND E 2 FT AT 10 SECONDS.
TUE NIGHT
SE WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: SE 1 FOOT AT
5 SECONDS AND E 1 FOOT AT 10 SECONDS.
WED
E WINDS 5 TO 10 KT. SEAS 2 FT.
WED NIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT.
THU
E WINDS 5 TO 10 KT. SEAS 2 FT. A SLIGHT CHANCE OF SHOWERS.
THU NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT.
AMZ364-272300-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
539 AM EDT SUN SEP 27 2026
TODAY
NW WINDS 5 TO 10 KT, BECOMING W EARLY THIS AFTERNOON,
THEN BECOMING S LATE. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT
12 SECONDS AND SE 1 FOOT AT 5 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
3 FT AT 12 SECONDS AND SE 2 FT AT 5 SECONDS.
MON
W WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS 2 TO
3 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND E 2 FT AT 11 SECONDS.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 4 SECONDS AND E 2 FT AT 11 SECONDS.
TUE
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
5 SECONDS AND E 2 FT AT 10 SECONDS.
TUE NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT
AT 5 SECONDS AND E 1 FOOT AT 10 SECONDS.
WED
E WINDS 5 TO 10 KT. SEAS 2 FT.
WED NIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT.
THU
E WINDS 5 TO 10 KT. SEAS 2 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
THU NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ380-272300-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
539 AM EDT SUN SEP 27 2026
TODAY
NW WINDS 5 TO 10 KT, BECOMING W LATE. SEAS 3 TO 4 FT.
WAVE DETAIL: NE 4 FT AT 12 SECONDS AND S 2 FT AT 6 SECONDS.
TONIGHT
W WINDS 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT
5 SECONDS AND E 3 FT AT 11 SECONDS.
MON
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT, SUBSIDING TO 2 TO 3 FT
IN THE AFTERNOON. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E 3 FT AT
10 SECONDS, BECOMING SW 2 FT AT 5 SECONDS AND E 2 FT AT
10 SECONDS.
MON NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 5 SECONDS AND E 2 FT AT 10 SECONDS.
TUE
W WINDS 5 KT, BECOMING SE IN THE AFTERNOON. SEAS 2 FT.
WAVE DETAIL: S 2 FT AT 5 SECONDS AND E 2 FT AT 9 SECONDS.
TUE NIGHT
SE WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
5 SECONDS AND E 2 FT AT 10 SECONDS.
WED
E WINDS 5 KT. SEAS 2 FT.
WED NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
THU
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS.
THU NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 FT. A SLIGHT CHANCE OF
SHOWERS.
AMZ382-272300-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT SUN SEP 27 2026
TODAY
NW WINDS 5 TO 10 KT, BECOMING W LATE. SEAS 3 TO 4 FT.
WAVE DETAIL: NE 4 FT AT 12 SECONDS AND S 2 FT AT 6 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW
3 FT AT 5 SECONDS AND NE 3 FT AT 12 SECONDS.
MON
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND
E 3 FT AT 11 SECONDS.
MON NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 5 SECONDS AND E 2 FT AT 10 SECONDS.
TUE
S WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
5 SECONDS AND E 2 FT AT 10 SECONDS.
TUE NIGHT
SE WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
4 SECONDS AND E 2 FT AT 10 SECONDS.
WED
E WINDS 5 KT. SEAS 2 FT.
WED NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
THU
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
THU NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE
OF SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ384-272300-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT SUN SEP 27 2026
TODAY
W WINDS 5 TO 10 KT, BECOMING SW LATE. SEAS 4 TO 5 FT.
WAVE DETAIL: E 4 FT AT 12 SECONDS AND SE 2 FT AT 5 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 12 SECONDS AND SW 3 FT AT 5 SECONDS.
MON
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND
E 3 FT AT 11 SECONDS.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: S 2 FT
AT 4 SECONDS AND E 2 FT AT 10 SECONDS.
TUE
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
5 SECONDS AND E 2 FT AT 10 SECONDS.
TUE NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT
AT 4 SECONDS AND E 2 FT AT 10 SECONDS.
WED
E WINDS 5 TO 10 KT. SEAS 2 FT.
WED NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
THU
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
THU NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE
OF SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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