970
FZUS52 KCHS 181049
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
649 AM EDT FRI SEP 18 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-190000-
649 AM EDT FRI SEP 18 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
HIGH PRESSURE WILL PERSIST TODAY. A WEAK COLD FRONT WILL APPROACH
AND POTENTIALLY STALL NEARBY THIS WEEKEND, FOLLOWED BY A STRONGER
COLD FRONT CROSSING THE AREA EARLY TO MIDDLE OF NEXT WEEK.
AMZ340-190000-
CHARLESTON HARBOR-
649 AM EDT FRI SEP 18 2026
TODAY
VARIABLE WINDS 5 KT.
TONIGHT
S WINDS 5 KT, BECOMING W AFTER MIDNIGHT.
SAT
NW WINDS 5 KT, BECOMING SE IN THE AFTERNOON. A CHANCE OF
SHOWERS AND TSTMS IN THE AFTERNOON.
SAT NIGHT
E WINDS 5 KT. A CHANCE OF SHOWERS. A CHANCE OF
TSTMS, MAINLY IN THE EVENING.
SUN
E WINDS 5 TO 10 KT. A CHANCE OF SHOWERS. A CHANCE OF TSTMS
IN THE AFTERNOON.
SUN NIGHT
SE WINDS 5 KT. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF TSTMS IN THE EVENING.
MON
E WINDS 5 TO 10 KT. A CHANCE OF SHOWERS AND TSTMS.
MON NIGHT
E WINDS 5 KT. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF TSTMS.
TUE
NE WINDS 5 KT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
TUE NIGHT
E WINDS 5 KT. A CHANCE OF SHOWERS AND TSTMS.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 84 DEGREES.
AMZ360-190000-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
649 AM EDT FRI SEP 18 2026
TODAY
N WINDS 5 KT, BECOMING S LATE. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 7 SECONDS AND E 1 FOOT AT 13 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
2 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS AND E 1 FOOT AT
12 SECONDS.
SAT
VARIABLE WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
6 SECONDS AND SE 1 FOOT AT 12 SECONDS.
SAT NIGHT
E WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: SE 1 FOOT AT
7 SECONDS AND SE 1 FOOT AT 12 SECONDS. A CHANCE OF SHOWERS. A
CHANCE OF TSTMS, MAINLY IN THE EVENING.
SUN
NE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
11 SECONDS AND SE 1 FOOT AT 7 SECONDS. A SLIGHT CHANCE OF TSTMS
IN THE MORNING. A CHANCE OF SHOWERS.
SUN NIGHT
E WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT. SEAS
2 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS AND E 2 FT AT 11 SECONDS.
A SLIGHT CHANCE OF SHOWERS AND TSTMS.
MON
E WINDS 5 TO 10 KT. SEAS 2 FT. A CHANCE OF SHOWERS AND
TSTMS.
MON NIGHT
E WINDS 5 KT. SEAS 2 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TUE
NE WINDS 5 TO 10 KT. SEAS 2 FT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
TUE NIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ362-190000-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
649 AM EDT FRI SEP 18 2026
TODAY
NE WINDS 5 KT, BECOMING SE LATE. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 7 SECONDS.
TONIGHT
S WINDS 5 KT, BECOMING SW AFTER MIDNIGHT. SEAS 2 TO
3 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND E 1 FOOT AT
12 SECONDS.
SAT
VARIABLE WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
6 SECONDS AND E 1 FOOT AT 12 SECONDS.
SAT NIGHT
SE WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
7 SECONDS AND SE 1 FOOT AT 12 SECONDS. A SLIGHT CHANCE OF TSTMS.
A SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT.
SUN
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
7 SECONDS AND SE 2 FT AT 11 SECONDS. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
SUN NIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 7 SECONDS AND E 2 FT AT 11 SECONDS. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
MON
E WINDS 5 KT. SEAS 2 FT. A CHANCE OF SHOWERS AND TSTMS.
MON NIGHT
E WINDS 5 KT. SEAS 2 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TUE
NE WINDS 5 KT. SEAS 2 FT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
TUE NIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ364-190000-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
649 AM EDT FRI SEP 18 2026
TODAY
NE WINDS 5 TO 10 KT, BECOMING E LATE. SEAS 2 TO 3 FT.
WAVE DETAIL: E 3 FT AT 7 SECONDS.
TONIGHT
VARIABLE WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 7 SECONDS.
SAT
NW WINDS 5 KT, BECOMING SE IN THE AFTERNOON. SEAS 2 FT.
WAVE DETAIL: E 2 FT AT 7 SECONDS.
SAT NIGHT
SE WINDS 5 TO 10 KT, BECOMING E AFTER MIDNIGHT. SEAS
2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS WITH
A SLIGHT CHANCE OF TSTMS AFTER MIDNIGHT.
SUN
NE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
7 SECONDS AND SE 1 FOOT AT 11 SECONDS. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
SUN NIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 7 SECONDS AND SE 1 FOOT AT 11 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
MON
E WINDS 5 TO 10 KT. SEAS 2 FT. A CHANCE OF SHOWERS AND
TSTMS.
MON NIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. A CHANCE OF SHOWERS
AND TSTMS.
TUE
NE WINDS 5 TO 10 KT. SEAS 2 FT. SHOWERS LIKELY WITH A
SLIGHT CHANCE OF TSTMS.
TUE NIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ380-190000-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
649 AM EDT FRI SEP 18 2026
TODAY
N WINDS 5 KT, BECOMING E LATE. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 7 SECONDS AND E 1 FOOT AT 12 SECONDS.
TONIGHT
S WINDS 5 KT, BECOMING W AFTER MIDNIGHT. SEAS 2 TO
3 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND E 1 FOOT AT
12 SECONDS.
SAT
NW WINDS 5 KT, BECOMING S IN THE AFTERNOON. SEAS 2 FT.
WAVE DETAIL: E 2 FT AT 8 SECONDS AND SE 2 FT AT 12 SECONDS.
SAT NIGHT
E WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
11 SECONDS AND E 1 FOOT AT 7 SECONDS. A SLIGHT CHANCE OF TSTMS. A
SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS
AFTER MIDNIGHT.
SUN
NE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
7 SECONDS AND SE 2 FT AT 11 SECONDS. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
SUN NIGHT
E WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS AND SE 2 FT AT
11 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
MON
NE WINDS 5 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS AND
TSTMS.
MON NIGHT
SE WINDS 5 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TUE
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY WITH A
SLIGHT CHANCE OF TSTMS.
TUE NIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ382-190000-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
649 AM EDT FRI SEP 18 2026
TODAY
NE WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: E 3 FT AT
7 SECONDS AND E 1 FOOT AT 13 SECONDS.
TONIGHT
SE WINDS 5 KT, BECOMING SW AFTER MIDNIGHT. SEAS 2 TO
3 FT. WAVE DETAIL: E 3 FT AT 7 SECONDS AND E 1 FOOT AT
12 SECONDS.
SAT
NW WINDS 5 KT, BECOMING SE IN THE AFTERNOON. SEAS 2 FT.
WAVE DETAIL: E 2 FT AT 7 SECONDS AND SE 1 FOOT AT 12 SECONDS.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 8 SECONDS AND SE 2 FT AT 12 SECONDS. A CHANCE OF SHOWERS WITH
A SLIGHT CHANCE OF TSTMS AFTER MIDNIGHT.
SUN
NE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
7 SECONDS AND SE 2 FT AT 11 SECONDS. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
SUN NIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 8 SECONDS AND E 2 FT AT 11 SECONDS. A CHANCE OF SHOWERS AND
TSTMS.
MON
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
MON NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
TUE
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TUE NIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ384-190000-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
649 AM EDT FRI SEP 18 2026
TODAY
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT
AT 8 SECONDS.
TONIGHT
SE WINDS 5 KT, BECOMING SW AFTER MIDNIGHT. SEAS 2 TO
3 FT. WAVE DETAIL: E 3 FT AT 7 SECONDS AND SE 1 FOOT AT
12 SECONDS.
SAT
N WINDS 5 KT, BECOMING E IN THE AFTERNOON. SEAS 2 FT. WAVE
DETAIL: E 2 FT AT 7 SECONDS AND SE 1 FOOT AT 12 SECONDS.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 8 SECONDS AND SE 1 FOOT AT 12 SECONDS. A CHANCE OF SHOWERS AND
TSTMS AFTER MIDNIGHT.
SUN
NE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
7 SECONDS AND SE 2 FT AT 11 SECONDS. A CHANCE OF SHOWERS. A
CHANCE OF TSTMS, MAINLY IN THE MORNING.
SUN NIGHT
E WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE EVENING,
THEN A CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.
MON
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
MON NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
TUE
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
TUE NIGHT
E WINDS 5 KT. SEAS 2 FT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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