797
FZUS52 KCHS 032139
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 PM EDT SAT OCT 3 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-041100-
539 PM EDT SAT OCT 3 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
A COLD FRONT WILL APPROACH THE REGION THIS WEEKEND THEN CROSS THE
AREA MONDAY. A WEDGE OF STRONG HIGH PRESSURE WILL DOMINATE THE
AREA NEXT WEEK AS LOW PRESSURE DEVELOPS WELL OFFSHORE.
AMZ340-041100-
CHARLESTON HARBOR-
539 PM EDT SAT OCT 3 2026
TONIGHT
S WINDS 5 KT. A CHANCE OF SHOWERS THIS EVENING. A
CHANCE OF TSTMS. SHOWERS LIKELY AFTER MIDNIGHT.
SUN
SW WINDS 5 KT, BECOMING SE IN THE AFTERNOON. SHOWERS
LIKELY WITH A SLIGHT CHANCE OF TSTMS IN THE MORNING, THEN SHOWERS
WITH A CHANCE OF TSTMS IN THE AFTERNOON.
SUN NIGHT
W WINDS 5 KT, BECOMING N AFTER MIDNIGHT. SHOWERS
WITH A CHANCE OF TSTMS.
MON
NE WINDS 5 TO 10 KT. SHOWERS WITH A SLIGHT CHANCE OF
TSTMS.
MON NIGHT
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS LIKELY, MAINLY IN THE
EVENING.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
A CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO
3 FT. A CHANCE OF SHOWERS IN THE EVENING.
WED
NE WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A SLIGHT CHANCE OF
SHOWERS.
WED NIGHT
NE WINDS 10 TO 15 KT.
THU
NE WINDS 10 KT.
THU NIGHT
NE WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 80 DEGREES.
AMZ360-041100-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
539 PM EDT SAT OCT 3 2026
TONIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 7 SECONDS AND E 2 FT AT 11 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS EARLY THIS EVENING, THEN A CHANCE OF SHOWERS
AND TSTMS LATE THIS EVENING.
SUN
S WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS
AND E 1 FOOT AT 11 SECONDS. SHOWERS LIKELY. A SLIGHT CHANCE OF
TSTMS IN THE MORNING, THEN A CHANCE OF TSTMS IN THE AFTERNOON.
SUN NIGHT
SW WINDS 5 KT, BECOMING N AFTER MIDNIGHT. SEAS 2 FT.
WAVE DETAIL: SE 2 FT AT 6 SECONDS AND E 1 FOOT AT 10 SECONDS. A
CHANCE OF TSTMS. SHOWERS.
MON
N WINDS 5 TO 10 KT, BECOMING NE 10 TO 15 KT WITH GUSTS TO
20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT
6 SECONDS AND E 1 FOOT AT 10 SECONDS. SHOWERS. A CHANCE OF TSTMS,
MAINLY IN THE MORNING.
MON NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT WITH
GUSTS TO 30 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT, BUILDING TO 4 TO
5 FT AFTER MIDNIGHT. WAVE DETAIL: NE 3 FT AT 4 SECONDS AND E
1 FOOT AT 10 SECONDS, BECOMING E 5 FT AT 5 SECONDS AND E 1 FOOT
AT 9 SECONDS. A SLIGHT CHANCE OF TSTMS. SHOWERS, MAINLY IN THE
EVENING.
TUE
NE WINDS 25 TO 30 KT WITH GUSTS TO 40 KT. SEAS 5 TO 7 FT,
BUILDING TO 7 TO 9 FT IN THE AFTERNOON. WAVE DETAIL: E 7 FT AT
9 SECONDS AND E 6 FT AT 6 SECONDS, BECOMING E 9 FT AT 7 SECONDS.
A CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT. A CHANCE OF
SHOWERS.
WED
NE WINDS 20 TO 25 KT. SEAS 6 TO 8 FT. A CHANCE OF SHOWERS.
WED NIGHT
NE WINDS 20 TO 25 KT. SEAS 6 TO 8 FT. A SLIGHT
CHANCE OF SHOWERS.
THU
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. A SLIGHT CHANCE OF
SHOWERS.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A SLIGHT
CHANCE OF SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ362-041100-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 PM EDT SAT OCT 3 2026
TONIGHT
SE WINDS 5 TO 10 KT, BECOMING S LATE. SEAS 2 FT. WAVE
DETAIL: SE 2 FT AT 6 SECONDS AND E 1 FOOT AT 12 SECONDS. A SLIGHT
CHANCE OF SHOWERS AND TSTMS THIS EVENING, THEN A CHANCE OF
SHOWERS AND TSTMS AFTER MIDNIGHT.
SUN
VARIABLE WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
7 SECONDS AND E 1 FOOT AT 11 SECONDS. A CHANCE OF TSTMS. A CHANCE
OF SHOWERS IN THE MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON.
SUN NIGHT
S WINDS 5 KT, BECOMING N AFTER MIDNIGHT. SEAS 2 FT.
WAVE DETAIL: SE 2 FT AT 6 SECONDS AND E 1 FOOT AT 11 SECONDS. A
CHANCE OF TSTMS. SHOWERS.
MON
NE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
6 SECONDS AND E 1 FOOT AT 10 SECONDS. SHOWERS WITH A SLIGHT
CHANCE OF TSTMS.
MON NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT, BUILDING TO 4 TO 5 FT AFTER
MIDNIGHT. WAVE DETAIL: NE 3 FT AT 4 SECONDS AND E 1 FOOT AT
10 SECONDS, BECOMING E 5 FT AT 5 SECONDS AND E 1 FOOT AT
10 SECONDS. A SLIGHT CHANCE OF TSTMS. SHOWERS.
TUE
NE WINDS 25 TO 30 KT WITH GUSTS TO 40 KT. SEAS 5 TO 7 FT,
BUILDING TO 7 TO 9 FT IN THE AFTERNOON. WAVE DETAIL: E 6 FT AT
6 SECONDS AND E 1 FOOT AT 9 SECONDS, BECOMING E 9 FT AT
7 SECONDS. A SLIGHT CHANCE OF TSTMS IN THE MORNING. SHOWERS
LIKELY.
TUE NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS TO 40 KT. SEAS 8 TO
10 FT. A SLIGHT CHANCE OF TSTMS. SHOWERS LIKELY, MAINLY IN THE
EVENING.
WED
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
WED NIGHT
NE WINDS 20 TO 25 KT. SEAS 6 TO 8 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS.
THU
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. A SLIGHT CHANCE OF
SHOWERS.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A SLIGHT
CHANCE OF SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ364-041100-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
539 PM EDT SAT OCT 3 2026
TONIGHT
SE WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS
2 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS AND E 1 FOOT AT
11 SECONDS. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF TSTMS EARLY
THIS EVENING, THEN A CHANCE OF TSTMS LATE THIS EVENING.
SUN
SE WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
7 SECONDS AND E 1 FOOT AT 12 SECONDS. A CHANCE OF SHOWERS AND
TSTMS IN THE MORNING, THEN SHOWERS LIKELY WITH A CHANCE OF TSTMS
IN THE AFTERNOON.
SUN NIGHT
E WINDS 5 KT, BECOMING NE AFTER MIDNIGHT. SEAS 2 FT.
WAVE DETAIL: SE 2 FT AT 6 SECONDS AND E 1 FOOT AT 11 SECONDS. A
CHANCE OF TSTMS. SHOWERS.
MON
NE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
6 SECONDS AND E 1 FOOT AT 10 SECONDS. SHOWERS. A SLIGHT CHANCE OF
TSTMS IN THE MORNING, THEN A CHANCE OF TSTMS IN THE AFTERNOON.
MON NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO 4 TO 5 FT AFTER
MIDNIGHT. WAVE DETAIL: NE 3 FT AT 4 SECONDS AND E 1 FOOT AT
10 SECONDS, BECOMING NE 4 FT AT 5 SECONDS AND E 1 FOOT AT
10 SECONDS. SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
TUE
NE WINDS 25 TO 30 KT, INCREASING TO 30 TO 35 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT, BUILDING TO 7 TO 9 FT IN THE
AFTERNOON. WAVE DETAIL: NE 6 FT AT 5 SECONDS AND E 1 FOOT AT
9 SECONDS, BECOMING NE 9 FT AT 6 SECONDS. SHOWERS WITH A SLIGHT
CHANCE OF TSTMS.
TUE NIGHT
NE WINDS 30 TO 35 KT, DIMINISHING TO 25 TO 30 KT
AFTER MIDNIGHT. SEAS 8 TO 10 FT. A SLIGHT CHANCE OF TSTMS.
SHOWERS LIKELY, MAINLY IN THE EVENING.
WED
NE WINDS 25 TO 30 KT. SEAS 8 TO 10 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
WED NIGHT
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
THU
NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. A CHANCE OF SHOWERS.
THU NIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. A CHANCE OF
SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ380-041100-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
539 PM EDT SAT OCT 3 2026
TONIGHT
SE WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 2 FT
AT 7 SECONDS AND E 2 FT AT 11 SECONDS. A CHANCE OF SHOWERS THIS
EVENING. A CHANCE OF TSTMS. SHOWERS LIKELY AFTER MIDNIGHT.
SUN
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
7 SECONDS AND E 2 FT AT 11 SECONDS. A CHANCE OF TSTMS. SHOWERS.
SUN NIGHT
S WINDS 5 KT, BECOMING NW AFTER MIDNIGHT. SEAS 2 TO
3 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS AND E 2 FT AT 10 SECONDS.
A CHANCE OF TSTMS. SHOWERS.
MON
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT
AT 6 SECONDS AND E 2 FT AT 10 SECONDS. SHOWERS. A CHANCE OF
TSTMS, MAINLY IN THE MORNING.
MON NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT, BUILDING TO 4 TO 6 FT AFTER
MIDNIGHT. WAVE DETAIL: NE 4 FT AT 5 SECONDS AND E 1 FOOT AT
9 SECONDS, BECOMING NE 6 FT AT 5 SECONDS AND E 4 FT AT 9 SECONDS.
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
TUE
NE WINDS 25 TO 30 KT WITH GUSTS TO 40 KT. SEAS 7 TO 9 FT,
BUILDING TO 9 TO 12 FT IN THE AFTERNOON. WAVE DETAIL: NE 9 FT AT
7 SECONDS, BECOMING NE 11 FT AT 8 SECONDS. SHOWERS LIKELY WITH A
SLIGHT CHANCE OF TSTMS.
TUE NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS TO 40 KT. SEAS 10 TO
12 FT, SUBSIDING TO 9 TO 11 FT AFTER MIDNIGHT. A SLIGHT CHANCE OF
TSTMS. SHOWERS LIKELY, MAINLY IN THE EVENING.
WED
NE WINDS 25 TO 30 KT. SEAS 8 TO 10 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
WED NIGHT
NE WINDS 20 TO 25 KT. SEAS 7 TO 9 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
THU
NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. A CHANCE OF SHOWERS.
THU NIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. A CHANCE OF
SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ382-041100-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
539 PM EDT SAT OCT 3 2026
TONIGHT
SE WINDS 5 TO 10 KT, BECOMING S LATE. SEAS 2 TO 3 FT.
WAVE DETAIL: SE 3 FT AT 7 SECONDS AND E 2 FT AT 11 SECONDS. A
CHANCE OF SHOWERS THIS EVENING. A CHANCE OF TSTMS. SHOWERS LIKELY
AFTER MIDNIGHT.
SUN
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT
AT 7 SECONDS AND E 2 FT AT 11 SECONDS. A CHANCE OF SHOWERS AND
TSTMS.
SUN NIGHT
S WINDS 5 KT, BECOMING N AFTER MIDNIGHT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND E 2 FT AT 11 SECONDS.
A CHANCE OF TSTMS. SHOWERS.
MON
N WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 6 SECONDS AND
E 1 FOOT AT 10 SECONDS. SHOWERS. A SLIGHT CHANCE OF TSTMS IN THE
MORNING, THEN A CHANCE OF TSTMS IN THE AFTERNOON.
MON NIGHT
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT, BUILDING TO 4 TO 5 FT AFTER
MIDNIGHT. WAVE DETAIL: NE 4 FT AT 5 SECONDS AND E 1 FOOT AT
10 SECONDS, BECOMING NE 5 FT AT 5 SECONDS AND E 1 FOOT AT
10 SECONDS. SHOWERS. A SLIGHT CHANCE OF TSTMS IN THE EVENING,
THEN A CHANCE OF TSTMS AFTER MIDNIGHT.
TUE
NE WINDS 25 TO 30 KT WITH GUSTS TO 40 KT. SEAS 6 TO 8 FT,
BUILDING TO 9 TO 11 FT IN THE AFTERNOON. WAVE DETAIL: E 8 FT AT
9 SECONDS AND NE 6 FT AT 5 SECONDS, BECOMING NE 11 FT AT
8 SECONDS. SHOWERS. A CHANCE OF TSTMS, MAINLY IN THE MORNING.
TUE NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS TO 40 KT. SEAS 10 TO
12 FT. SHOWERS LIKELY WITH A SLIGHT CHANCE OF TSTMS.
WED
NE WINDS 25 TO 30 KT. SEAS 9 TO 10 FT. SHOWERS LIKELY WITH
A SLIGHT CHANCE OF TSTMS.
WED NIGHT
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
THU
NE WINDS 20 KT. SEAS 5 TO 7 FT. A CHANCE OF SHOWERS.
THU NIGHT
NE WINDS 15 TO 20 KT. SEAS 5 TO 6 FT. A CHANCE OF
SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ384-041100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
539 PM EDT SAT OCT 3 2026
TONIGHT
SE WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND E 2 FT AT
12 SECONDS. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF TSTMS EARLY
THIS EVENING, THEN A CHANCE OF TSTMS LATE THIS EVENING.
SUN
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT
AT 7 SECONDS AND E 1 FOOT AT 11 SECONDS. A CHANCE OF SHOWERS AND
TSTMS.
SUN NIGHT
SE WINDS 5 KT, BECOMING NE AFTER MIDNIGHT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS AND E 1 FOOT AT
11 SECONDS. A CHANCE OF TSTMS. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS AFTER MIDNIGHT.
MON
N WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT
6 SECONDS AND E 1 FOOT AT 10 SECONDS. SHOWERS WITH A CHANCE OF
TSTMS.
MON NIGHT
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO 4 TO 5 FT AFTER
MIDNIGHT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND E 1 FOOT AT
10 SECONDS, BECOMING NE 4 FT AT 5 SECONDS AND E 1 FOOT AT
10 SECONDS. SHOWERS. A SLIGHT CHANCE OF TSTMS IN THE EVENING,
THEN A CHANCE OF TSTMS AFTER MIDNIGHT.
TUE
NE WINDS 25 TO 30 KT WITH GUSTS TO 40 KT. SEAS 5 TO 7 FT,
BUILDING TO 8 TO 10 FT IN THE AFTERNOON. WAVE DETAIL: E 7 FT AT
9 SECONDS AND NE 6 FT AT 5 SECONDS, BECOMING NE 10 FT AT
7 SECONDS. SHOWERS WITH A CHANCE OF TSTMS.
TUE NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS TO 40 KT. SEAS 10 TO
12 FT. A CHANCE OF TSTMS. SHOWERS.
WED
NE WINDS 25 TO 30 KT. SEAS 9 TO 10 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
WED NIGHT
NE WINDS 25 TO 30 KT. SEAS 8 TO 10 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
THU
NE WINDS 20 KT. SEAS 6 TO 7 FT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
THU NIGHT
NE WINDS 15 TO 20 KT. SEAS 5 TO 6 FT. A CHANCE OF
SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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