980
FZUS52 KCHS 160920
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
520 AM EDT TUE SEP 16 2025
SOUTH SANTEE RIVER SC TO SAVANNAH GA OUT 20 NM AND SAVANNAH GA TO
ALTAMAHA SOUND GA OUT 60 NM, INCLUDING CHARLESTON HARBOR AND
GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-162230-
520 AM EDT TUE SEP 16 2025
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
HIGH PRESSURE WILL EXTEND ACROSS THE REGION. LOW PRESSURE WILL
MEANDER NEAR THE NORTH CAROLINA OUTER BANKS THROUGH THE MIDDLE OF
THE WEEK. A COLD FRONT COULD APPROACH FROM THE NORTH EARLY IN THE
WEEKEND.
AMZ330-162230-
CHARLESTON HARBOR-
520 AM EDT TUE SEP 16 2025
TODAY
N WINDS 5 TO 10 KT, BECOMING NW LATE.
TONIGHT
N WINDS 5 TO 10 KT.
WED
N WINDS 5 KT, BECOMING W IN THE AFTERNOON.
WED NIGHT
SW WINDS 5 KT.
THU
N WINDS 5 KT, BECOMING SE IN THE AFTERNOON.
THU NIGHT
S WINDS 5 KT, BECOMING SW AFTER MIDNIGHT.
FRI
NE WINDS 5 TO 10 KT.
FRI NIGHT
E WINDS 5 TO 10 KT.
SAT
NE WINDS 10 TO 15 KT.
SAT NIGHT
NE WINDS 10 TO 15 KT. A SLIGHT 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 77 DEGREES.
AMZ350-162230-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
520 AM EDT TUE SEP 16 2025
TODAY
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING NW 5
TO 10 KT THIS AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: NE 3 FT AT 7
SECONDS.
TONIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
3 FT AT 7 SECONDS.
WED
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
2 FT. WAVE DETAIL: NE 2 FT AT 7 SECONDS.
WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 8 SECONDS AND SW 1 FOOT AT 3 SECONDS.
THU
NW WINDS 5 KT, BECOMING SE IN THE AFTERNOON. SEAS 2 FT.
WAVE DETAIL: E 2 FT AT 8 SECONDS AND SW 1 FOOT AT 3 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
2 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND S 1 FOOT AT 3 SECONDS.
FRI
NE WINDS 5 TO 10 KT. SEAS 2 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT.
SAT
NE WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
SAT NIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ352-162230-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
520 AM EDT TUE SEP 16 2025
TODAY
N WINDS 5 TO 10 KT, BECOMING SW LATE. SEAS 2 TO 3 FT.
WAVE DETAIL: E 3 FT AT 9 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS.
WED
N WINDS 5 KT, BECOMING SW IN THE AFTERNOON. SEAS 2 FT.
WAVE DETAIL: E 2 FT AT 8 SECONDS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 7 SECONDS AND SW 1 FOOT AT 2 SECONDS.
THU
W WINDS 5 KT, BECOMING SE IN THE AFTERNOON. SEAS 2 FT.
WAVE DETAIL: E 2 FT AT 8 SECONDS AND SW 1 FOOT AT 3 SECONDS.
THU NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S
1 FOOT AT 3 SECONDS AND E 1 FOOT AT 8 SECONDS.
FRI
NE WINDS 5 TO 10 KT. SEAS 2 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT.
SAT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
SAT NIGHT
NE WINDS 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ354-162230-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
520 AM EDT TUE SEP 16 2025
TODAY
NE WINDS 5 TO 10 KT, BECOMING E LATE. SEAS 2 TO 3 FT.
WAVE DETAIL: E 3 FT AT 9 SECONDS.
TONIGHT
S WINDS 5 KT, BECOMING SW AFTER MIDNIGHT. SEAS 2 TO
3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS.
WED
NW WINDS 5 KT, BECOMING S IN THE AFTERNOON. SEAS 2 TO
3 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 8 SECONDS AND S 1 FOOT AT 3 SECONDS.
THU
SW WINDS 5 KT, BECOMING E IN THE AFTERNOON. SEAS 2 FT.
WAVE DETAIL: E 2 FT AT 8 SECONDS AND S 1 FOOT AT 3 SECONDS.
THU NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 8 SECONDS AND SE 1 FOOT AT 3 SECONDS.
FRI
NE WINDS 5 TO 10 KT. SEAS 2 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
SAT
NE WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
SAT NIGHT
NE WINDS 15 TO 20 KT. SEAS 4 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ374-162230-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
520 AM EDT TUE SEP 16 2025
TODAY
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT
AT 9 SECONDS.
TONIGHT
SW WINDS 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT AT
9 SECONDS.
WED
NW WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT
9 SECONDS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 9 SECONDS AND S 1 FOOT AT 3 SECONDS.
THU
S WINDS 5 KT, BECOMING E IN THE AFTERNOON. SEAS 2 FT. WAVE
DETAIL: E 2 FT AT 8 SECONDS AND S 1 FOOT AT 3 SECONDS.
THU NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 8 SECONDS AND SE 1 FOOT AT 3 SECONDS.
FRI
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
FRI NIGHT
E WINDS 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
SAT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT NIGHT
NE WINDS 15 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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