973
FZUS52 KCHS 270939
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
538 AM EDT TUE OCT 27 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-272300-
538 AM EDT TUE OCT 27 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
STRONG HIGH PRESSURE WILL EXTEND ACROSS THE WATERS THROUGH THE
WEEK.
AMZ340-272300-
CHARLESTON HARBOR-
538 AM EDT TUE OCT 27 2026
TODAY
NE WINDS 10 TO 15 KT.
TONIGHT
NE WINDS 10 TO 15 KT.
WED
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. WAVES 1 TO 2 FT.
WED NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT.
THU
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT.
THU NIGHT
NE WINDS 10 TO 15 KT.
FRI
NE WINDS 10 TO 15 KT.
FRI NIGHT
NE WINDS 5 TO 10 KT.
SAT
NE WINDS 10 TO 15 KT. A SLIGHT CHANCE OF SHOWERS.
SAT NIGHT
NE WINDS 10 TO 15 KT. A CHANCE OF SHOWERS.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 68 DEGREES.
AMZ360-272300-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
538 AM EDT TUE OCT 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON
TODAY
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO
6 FT. WAVE DETAIL: E 6 FT AT 10 SECONDS AND SE 1 FOOT AT
8 SECONDS.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO
6 FT. WAVE DETAIL: E 6 FT AT 10 SECONDS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 5 TO 7 FT.
WAVE DETAIL: E 7 FT AT 9 SECONDS.
WED NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 6 TO
7 FT, SUBSIDING TO 5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: E 7 FT
AT 9 SECONDS.
THU
NE WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. WAVE DETAIL: E 6 FT
AT 8 SECONDS.
THU NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO
7 FT, SUBSIDING TO 4 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: E 6 FT
AT 8 SECONDS.
FRI
NE WINDS 15 TO 20 KT. SEAS 4 TO 5 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SAT
NE WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
SAT NIGHT
E WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS.
AMZ362-272300-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
538 AM EDT TUE OCT 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
TODAY
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO
6 FT. WAVE DETAIL: E 6 FT AT 10 SECONDS AND SE 2 FT AT
10 SECONDS.
TONIGHT
NE WINDS 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO 7 FT.
WAVE DETAIL: E 6 FT AT 10 SECONDS AND SE 2 FT AT 10 SECONDS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 5 TO 7 FT,
BUILDING TO 6 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: E 6 FT AT
10 SECONDS AND SE 3 FT AT 10 SECONDS, BECOMING E 7 FT AT
10 SECONDS.
WED NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 6 TO
8 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS.
THU
NE WINDS 20 TO 25 KT. SEAS 6 TO 7 FT, SUBSIDING TO 5 TO
7 FT IN THE AFTERNOON. WAVE DETAIL: E 7 FT AT 9 SECONDS.
THU NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO
7 FT, SUBSIDING TO 5 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: E 7 FT
AT 9 SECONDS, BECOMING E 6 FT AT 9 SECONDS.
FRI
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SAT
NE WINDS 15 TO 20 KT. SEAS 4 FT. A CHANCE OF SHOWERS WITH
A SLIGHT CHANCE OF TSTMS.
SAT NIGHT
E WINDS 15 TO 20 KT. SEAS 4 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ364-272300-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
538 AM EDT TUE OCT 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
TODAY
NE WINDS 20 TO 25 KT. SEAS 6 TO 7 FT. WAVE DETAIL: E
7 FT AT 10 SECONDS AND E 3 FT AT 11 SECONDS.
TONIGHT
NE WINDS 20 TO 25 KT. SEAS 6 TO 7 FT. WAVE DETAIL: E
7 FT AT 10 SECONDS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 6 TO 8 FT.
WAVE DETAIL: E 8 FT AT 10 SECONDS.
WED NIGHT
NE WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT
AFTER MIDNIGHT. SEAS 7 TO 8 FT, SUBSIDING TO 6 TO 8 FT AFTER
MIDNIGHT. WAVE DETAIL: E 8 FT AT 10 SECONDS.
THU
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 6 TO 8 FT.
WAVE DETAIL: E 7 FT AT 9 SECONDS.
THU 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. WAVE DETAIL: E 7 FT AT 9 SECONDS.
FRI
NE WINDS 15 TO 20 KT. SEAS 5 TO 6 FT.
FRI NIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 5 FT.
SAT
NE WINDS 15 KT. SEAS 4 FT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 4 FT. A CHANCE OF SHOWERS.
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-
538 AM EDT TUE OCT 27 2026
TODAY
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 6 TO
8 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS.
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 6 TO
8 FT. WAVE DETAIL: E 7 FT AT 10 SECONDS.
WED
NE WINDS 20 TO 25 KT. SEAS 7 TO 8 FT. WAVE DETAIL: E 8 FT
AT 9 SECONDS.
WED NIGHT
NE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 7 TO 8 FT. WAVE DETAIL: E 8 FT AT 9 SECONDS.
A SLIGHT CHANCE OF SHOWERS.
THU
NE WINDS 20 TO 25 KT. SEAS 7 TO 8 FT. WAVE DETAIL: E 8 FT
AT 9 SECONDS. A CHANCE OF SHOWERS.
THU NIGHT
NE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 7 TO 8 FT, SUBSIDING TO 6 TO 7 FT AFTER
MIDNIGHT. WAVE DETAIL: E 8 FT AT 8 SECONDS, BECOMING E 7 FT AT
8 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
FRI
NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. A SLIGHT CHANCE OF
SHOWERS.
FRI NIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS.
SAT
E WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS.
SAT NIGHT
E WINDS 15 TO 20 KT. SEAS 5 TO 6 FT. A CHANCE OF
SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ382-272300-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
538 AM EDT TUE OCT 27 2026
TODAY
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 7 TO
9 FT. WAVE DETAIL: NE 8 FT AT 10 SECONDS AND SE 3 FT AT
10 SECONDS.
TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 7 TO
9 FT. WAVE DETAIL: E 8 FT AT 10 SECONDS AND SE 2 FT AT
10 SECONDS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 7 TO 9 FT,
BUILDING TO 8 TO 9 FT IN THE AFTERNOON. WAVE DETAIL: E 9 FT AT
10 SECONDS.
WED NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 8 TO
9 FT, SUBSIDING TO 7 TO 9 FT AFTER MIDNIGHT. WAVE DETAIL: E 9 FT
AT 10 SECONDS, BECOMING E 9 FT AT 9 SECONDS.
THU
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 7 TO 8 FT.
WAVE DETAIL: E 8 FT AT 9 SECONDS. A SLIGHT CHANCE OF SHOWERS.
THU NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 7 TO
8 FT, SUBSIDING TO 6 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: E 8 FT
AT 9 SECONDS.
FRI
NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. A SLIGHT CHANCE OF
SHOWERS.
FRI NIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS.
SAT
E WINDS 15 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
SAT NIGHT
E WINDS 15 TO 20 KT. SEAS 5 TO 6 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ384-272300-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
538 AM EDT TUE OCT 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING
TODAY
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 8 TO
9 FT. WAVE DETAIL: NE 9 FT AT 10 SECONDS.
TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 8 TO
9 FT. WAVE DETAIL: NE 9 FT AT 10 SECONDS.
WED
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 8 TO 9 FT,
BUILDING TO 8 TO 10 FT IN THE AFTERNOON. WAVE DETAIL: E 9 FT AT
10 SECONDS.
WED NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 9 TO
10 FT, SUBSIDING TO 8 TO 9 FT AFTER MIDNIGHT. WAVE DETAIL: E
10 FT AT 10 SECONDS, BECOMING E 9 FT AT 10 SECONDS.
THU
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 8 TO 9 FT.
WAVE DETAIL: E 8 FT AT 9 SECONDS. A SLIGHT CHANCE OF SHOWERS.
THU NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 8 TO
9 FT, SUBSIDING TO 7 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: NE 8 FT
AT 9 SECONDS AND E 4 FT AT 9 SECONDS, BECOMING NE 7 FT AT
9 SECONDS AND E 4 FT AT 9 SECONDS.
FRI
NE WINDS 20 KT. SEAS 6 TO 7 FT. A SLIGHT CHANCE OF
SHOWERS.
FRI NIGHT
NE WINDS 15 TO 20 KT. SEAS 5 TO 6 FT. A SLIGHT
CHANCE OF SHOWERS.
SAT
E WINDS 15 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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