504
FZUS52 KCHS 280939
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 AM EDT MON SEP 28 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-282300-
539 AM EDT MON SEP 28 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
HIGH PRESSURE WILL EXTEND ACROSS THE REGION THROUGH THIS WEEK.
AMZ340-282300-
CHARLESTON HARBOR-
539 AM EDT MON SEP 28 2026
TODAY
VARIABLE WINDS 5 KT.
TONIGHT
S WINDS 5 KT IN THE EVENING, BECOMING LIGHT AND
VARIABLE.
TUE
NE WINDS 5 KT, BECOMING E IN THE AFTERNOON.
TUE NIGHT
SE WINDS 5 TO 10 KT, BECOMING E AFTER MIDNIGHT.
WED
NE WINDS 5 KT, BECOMING E IN THE AFTERNOON.
WED NIGHT
E WINDS 5 TO 10 KT.
THU
E WINDS 5 TO 10 KT.
THU NIGHT
E WINDS 5 TO 10 KT.
FRI
SE WINDS 5 KT. A CHANCE OF SHOWERS AND TSTMS.
FRI NIGHT
SE WINDS 5 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 77 DEGREES.
AMZ360-282300-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
539 AM EDT MON SEP 28 2026
TODAY
N WINDS 5 TO 10 KT, BECOMING S LATE. SEAS 2 TO 3 FT.
WAVE DETAIL: S 2 FT AT 5 SECONDS AND E 2 FT AT 10 SECONDS.
TONIGHT
S WINDS 5 KT, BECOMING W AFTER MIDNIGHT. SEAS 2 FT.
WAVE DETAIL: S 2 FT AT 5 SECONDS AND E 1 FOOT AT 10 SECONDS.
TUE
N WINDS 5 KT, BECOMING E IN THE AFTERNOON. SEAS 2 FT. WAVE
DETAIL: S 2 FT AT 5 SECONDS AND E 1 FOOT AT 10 SECONDS.
TUE NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT
AT 5 SECONDS AND E 1 FOOT AT 10 SECONDS.
WED
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
4 SECONDS AND E 1 FOOT AT 12 SECONDS.
WED NIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 4 SECONDS AND E 1 FOOT AT 12 SECONDS.
THU
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
THU NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
FRI
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
FRI NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ362-282300-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 AM EDT MON SEP 28 2026
TODAY
NW WINDS 5 TO 10 KT, BECOMING N LATE THIS MORNING, THEN
BECOMING NE EARLY THIS AFTERNOON, BECOMING S LATE. SEAS 2 TO
3 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND E 2 FT AT 11 SECONDS.
TONIGHT
S WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
5 SECONDS AND E 2 FT AT 10 SECONDS.
TUE
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
5 SECONDS AND E 1 FOOT 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. WAVE DETAIL: SE 2 FT AT
4 SECONDS AND E 1 FOOT AT 12 SECONDS.
WED NIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 4 SECONDS AND SE 1 FOOT AT 12 SECONDS.
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.
FRI
SE WINDS 5 KT. SEAS 2 FT. A CHANCE OF SHOWERS AND TSTMS.
FRI NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ364-282300-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
539 AM EDT MON SEP 28 2026
TODAY
W WINDS 5 TO 10 KT, BECOMING NW LATE THIS MORNING, THEN
BECOMING SE EARLY THIS AFTERNOON, INCREASING TO 5 TO 10 KT LATE.
SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND E 2 FT AT
11 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
4 SECONDS AND E 2 FT AT 11 SECONDS.
TUE
SE WINDS 5 TO 10 KT. SEAS 2 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. WAVE DETAIL: E 2 FT AT
4 SECONDS AND E 1 FOOT AT 10 SECONDS.
WED NIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 4 SECONDS AND E 1 FOOT AT 11 SECONDS.
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.
FRI
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
FRI NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ380-282300-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
539 AM EDT MON SEP 28 2026
TODAY
W 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.
TONIGHT
SW WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT
5 SECONDS AND E 2 FT AT 10 SECONDS.
TUE
VARIABLE 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: S 2 FT AT
5 SECONDS AND E 2 FT AT 10 SECONDS.
WED
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
4 SECONDS AND E 2 FT AT 10 SECONDS.
WED NIGHT
E 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. A SLIGHT CHANCE OF
SHOWERS. A SLIGHT CHANCE OF TSTMS AFTER MIDNIGHT.
THU
E WINDS 5 TO 10 KT. SEAS 3 FT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
THU NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
FRI
SE WINDS 5 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
FRI NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ382-282300-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT MON SEP 28 2026
TODAY
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND E 3 FT AT 11 SECONDS.
TONIGHT
SW WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
5 SECONDS AND E 2 FT AT 10 SECONDS.
TUE
E 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 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT
AT 5 SECONDS AND E 2 FT AT 10 SECONDS.
WED
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT
AT 4 SECONDS AND E 2 FT AT 11 SECONDS.
WED NIGHT
E WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT
AT 4 SECONDS AND E 2 FT AT 11 SECONDS. A SLIGHT CHANCE OF SHOWERS
AND TSTMS AFTER MIDNIGHT.
THU
E WINDS 10 KT. SEAS 3 FT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
THU NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
FRI
SE WINDS 5 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
FRI NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ384-282300-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT MON SEP 28 2026
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, DIMINISHING TO
5 TO 10 KT THIS AFTERNOON. SEAS 4 TO 5 FT, SUBSIDING TO 3 TO 4 FT
THIS AFTERNOON. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E 3 FT AT
11 SECONDS, BECOMING S 3 FT AT 5 SECONDS AND E 3 FT AT
11 SECONDS.
TONIGHT
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
SE 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 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT
AT 5 SECONDS AND E 2 FT AT 10 SECONDS.
WED
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
4 SECONDS AND E 2 FT AT 10 SECONDS.
WED NIGHT
E 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. A SLIGHT CHANCE OF
SHOWERS AND TSTMS AFTER MIDNIGHT.
THU
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
THU NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
FRI
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
FRI NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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