889
FZUS52 KCHS 231823
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
223 PM EDT WED SEP 23 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-240830-
223 PM EDT WED SEP 23 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
INLAND HIGH PRESSURE WILL PREVAIL INTO EARLY NEXT WEEK.
DEVELOPING LOW PRESSURE WELL OFFSHORE OF THE CAROLINA COAST WILL
MOVE NORTH CLOSER TO NEW ENGLAND THROUGH THE WEEKEND.
AMZ340-240830-
CHARLESTON HARBOR-
223 PM EDT WED SEP 23 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY EVENING...
THIS AFTERNOON
N WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
TONIGHT
N WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
THU
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
A CHANCE OF SHOWERS AND TSTMS.
THU NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT, DIMINISHING
TO 10 TO 15 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT IN THE EVENING. A
CHANCE OF SHOWERS AND TSTMS IN THE EVENING.
FRI
N WINDS 10 TO 15 KT.
FRI NIGHT
N WINDS 5 TO 10 KT.
SAT
N WINDS 5 TO 10 KT.
SAT NIGHT
N WINDS 5 KT.
SUN
NW WINDS 5 KT.
SUN NIGHT
SW WINDS 5 KT.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 83 DEGREES.
AMZ360-240830-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
223 PM EDT WED SEP 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
THIS AFTERNOON
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 4
TO 6 FT. WAVE DETAIL: NE 5 FT AT 6 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 4 TO
6 FT, BUILDING TO 5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: NE 6 FT
AT 6 SECONDS, BECOMING NE 7 FT AT 7 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
THU
N WINDS 25 TO 30 KT. SEAS 6 TO 8 FT. WAVE DETAIL: NE 7 FT
AT 7 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
THU NIGHT
N WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT
AFTER MIDNIGHT. SEAS 6 TO 8 FT. WAVE DETAIL: NE 8 FT AT
8 SECONDS. A CHANCE OF SHOWERS AND TSTMS IN THE EVENING.
FRI
N WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 6 TO 8 FT, SUBSIDING TO 5 TO 7 FT IN THE
AFTERNOON. WAVE DETAIL: NE 7 FT AT 12 SECONDS AND NE 6 FT AT
8 SECONDS, BECOMING NE 7 FT AT 12 SECONDS.
FRI NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO
6 FT, SUBSIDING TO 4 TO 5 FT AFTER MIDNIGHT. WAVE DETAIL: E 6 FT
AT 12 SECONDS, BECOMING E 5 FT AT 12 SECONDS.
SAT
N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SAT NIGHT
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SUN
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
SUN NIGHT
SW WINDS 5 KT. SEAS 2 TO 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ362-240830-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
223 PM EDT WED SEP 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
THIS AFTERNOON
N WINDS 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO 5
FT. WAVE DETAIL: NE 5 FT AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: NE 6 FT AT 7 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS IN THE EVENING.
THU
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 5 TO 7 FT.
WAVE DETAIL: NE 6 FT AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
TSTMS.
THU NIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 6 TO
8 FT. WAVE DETAIL: NE 7 FT AT 8 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS IN THE EVENING.
FRI
N WINDS 20 TO 25 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT, SUBSIDING TO 4 TO 6 FT IN THE
AFTERNOON. WAVE DETAIL: NE 7 FT AT 8 SECONDS, BECOMING NE 6 FT AT
9 SECONDS.
FRI NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO
6 FT. SUBSIDING TO 4 TO 5 FT. WAVE DETAIL: E 5 FT AT 12 SECONDS
AND S 1 FOOT AT 6 SECONDS.
SAT
N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SAT NIGHT
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SUN
N WINDS 5 TO 10 KT. SEAS 3 FT.
SUN NIGHT
S WINDS 5 KT. SEAS 2 TO 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ364-240830-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
223 PM EDT WED SEP 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING
THIS AFTERNOON
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS
4 TO 5 FT. WAVE DETAIL: NE 4 FT AT 5 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: NE 6 FT AT 7 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
THU
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 5 TO 7 FT.
WAVE DETAIL: NE 6 FT AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
TSTMS.
THU NIGHT
N WINDS 25 TO 30 KT. SEAS 6 TO 8 FT. WAVE DETAIL: NE
7 FT AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE
EVENING.
FRI
N WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 6 TO 8 FT, SUBSIDING TO 5 TO 7 FT IN THE
AFTERNOON. WAVE DETAIL: NE 7 FT AT 8 SECONDS AND E 1 FOOT AT
11 SECONDS, BECOMING NE 6 FT AT 9 SECONDS AND E 2 FT AT
12 SECONDS.
FRI NIGHT
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT, SUBSIDING TO 3
TO 5 FT. WAVE DETAIL: NE 5 FT AT 9 SECONDS AND E 5 FT AT 12
SECONDS.
SAT
N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT.
SUN
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
S WINDS 5 KT. SEAS 2 TO 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ380-240830-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
223 PM EDT WED SEP 23 2026
...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH LATE
THURSDAY NIGHT...
THIS AFTERNOON
N WINDS 25 KT WITH GUSTS TO 30 KT. SEAS 6 TO
7 FT. WAVE DETAIL: NE 7 FT AT 6 SECONDS. A CHANCE OF SHOWERS AND
TSTMS.
TONIGHT
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT. WAVE DETAIL: NE
9 FT AT 8 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
THU
NE WINDS 25 TO 30 KT WITH GUSTS TO 35 KT. SEAS 8 TO 10 FT,
BUILDING TO 9 TO 11 FT IN THE AFTERNOON. WAVE DETAIL: NE 10 FT AT
8 SECONDS. A CHANCE OF TSTMS. A CHANCE OF SHOWERS IN THE MORNING,
THEN SHOWERS LIKELY IN THE AFTERNOON.
THU NIGHT
N WINDS 25 TO 30 KT WITH GUSTS TO 35 KT. SEAS 9 TO
11 FT. WAVE DETAIL: NE 10 FT AT 8 SECONDS AND NE 10 FT AT 12
SECONDS. A CHANCE OF SHOWERS AND TSTMS, MAINLY IN THE EVENING.
FRI
N WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 9 TO 11 FT, SUBSIDING TO 8 TO 10 FT IN THE
AFTERNOON. WAVE DETAIL: NE 10 FT AT 12 SECONDS, BECOMING NE 9 FT
AT 12 SECONDS.
FRI NIGHT
N WINDS 15 TO 20 KT. SEAS 6 TO 8 FT, SUBSIDING TO
5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: NE 8 FT AT 12 SECONDS,
BECOMING NE 6 FT AT 12 SECONDS.
SAT
N WINDS 15 TO 20 KT. SEAS 5 TO 6 FT.
SAT NIGHT
N WINDS 5 TO 10 KT. SEAS 4 TO 5 FT.
SUN
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
SW WINDS 5 KT. SEAS 3 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ382-240830-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
223 PM EDT WED SEP 23 2026
...GALE WARNING IN EFFECT FROM THURSDAY MORNING THROUGH LATE
THURSDAY NIGHT...
THIS AFTERNOON
N WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. WAVE
DETAIL: NE 7 FT AT 6 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
TONIGHT
N WINDS 25 KT WITH GUSTS TO 30 KT. SEAS 6 TO 8 FT,
BUILDING TO 7 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: NE 8 FT AT
7 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
THU
NE WINDS 25 TO 30 KT WITH GUSTS TO 35 KT. SEAS 7 TO 9 FT,
BUILDING TO 8 TO 10 FT IN THE AFTERNOON. WAVE DETAIL: NE 9 FT AT 8
SECONDS, BECOMING NE 10 FT AT 8 SECONDS. A CHANCE OF SHOWERS AND
TSTMS.
THU NIGHT
N WINDS 25 TO 30 KT WITH GUSTS TO 35 KT. SEAS 8 TO
10 FT. WAVE DETAIL: NE 10 FT AT 8 SECONDS. A CHANCE OF SHOWERS
AND TSTMS.
FRI
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT, DIMINISHING TO 15
TO 20 KT WITH GUSTS TO 25 KT IN THE AFTERNOON. SEAS 8 TO 10 FT,
SUBSIDING TO 7 TO 9 FT IN THE AFTERNOON. WAVE DETAIL: NE 9 FT AT 9
SECONDS AND NE 5 FT AT 12 SECONDS, BECOMING NE 8 FT AT 12 SECONDS
AND NE 7 FT AT 9 SECONDS.
FRI NIGHT
N WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 6 TO 8 FT,
SUBSIDING TO 5 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: NE 7 FT AT
12 SECONDS, BECOMING NE 6 FT AT 12 SECONDS AND S 1 FOOT AT
5 SECONDS.
SAT
N WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
SAT NIGHT
N WINDS 5 TO 10 KT. SEAS 4 TO 5 FT.
SUN
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
S WINDS 5 KT. SEAS 3 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ384-240830-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
223 PM EDT WED SEP 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
...GALE WARNING IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE
THURSDAY NIGHT...
THIS AFTERNOON
N WINDS 20 TO 25 KT. SEAS 5 TO 6 FT. WAVE
DETAIL: NE 6 FT AT 6 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
TONIGHT
N WINDS 25 KT WITH GUSTS TO 30 KT. SEAS 5 TO 7 FT,
BUILDING TO 6 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: NE 7 FT AT
7 SECONDS, BECOMING NE 8 FT AT 7 SECONDS. A CHANCE OF SHOWERS AND
TSTMS.
THU
N WINDS 25 TO 30 KT. GUSTS TO 35 KT IN THE AFTERNOON. SEAS
7 TO 8 FT, BUILDING TO 7 TO 9 FT IN THE AFTERNOON. WAVE DETAIL:
NE 8 FT AT 7 SECONDS, BECOMING NE 9 FT AT 7 SECONDS. A CHANCE OF
SHOWERS AND TSTMS.
THU NIGHT
N WINDS 25 TO 30 KT WITH GUSTS TO 35 KT. SEAS 8 TO
10 FT. WAVE DETAIL:
NE 10 FT AT 8 SECONDS. A CHANCE OF SHOWERS AND TSTMS, MAINLY IN
THE EVENING.
FRI
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT, DIMINISHING TO 15
TO 20 KT WITH GUSTS TO 25 KT IN THE AFTERNOON. SEAS 8 TO 10 FT,
SUBSIDING TO 7 TO 9 FT IN THE AFTERNOON. WAVE DETAIL: NE 9 FT AT 8
SECONDS AND E 4 FT AT 12 SECONDS, BECOMING NE 8 FT AT 8 SECONDS
AND E 5 FT AT 12 SECONDS.
FRI NIGHT
N WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 6 TO 8 FT,
SUBSIDING TO 6 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: E 7 FT AT
12 SECONDS AND E 6 FT AT 7 SECONDS, BECOMING NE 6 FT AT
12 SECONDS AND SE 1 FOOT AT 6 SECONDS.
SAT
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT NIGHT
NE WINDS 5 TO 10 KT. SEAS 4 TO 6 FT.
SUN
N WINDS 5 TO 10 KT. SEAS 4 TO 5 FT.
SUN NIGHT
SE WINDS 5 KT. SEAS 4 TO 5 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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