905
FZUS52 KCHS 312140
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
440 PM EST WED DEC 31 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
AMZ300-011100-
440 PM EST WED DEC 31 2025
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
HIGH PRESSURE WILL PREVAIL THROUGH FRIDAY. A LOW PRESSURE SYSTEM
WILL MOVE THROUGH ON SATURDAY, FOLLOWED BY MORE HIGH PRESSURE
NEXT WEEK.
AMZ330-011100-
CHARLESTON HARBOR-
440 PM EST WED DEC 31 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EST THIS EVENING
THROUGH THURSDAY MORNING...
TONIGHT
W WINDS 5 TO 10 KT WITH GUSTS TO 25 KT, INCREASING TO
10 TO 15 KT WITH GUSTS TO 30 KT AFTER MIDNIGHT.
THU
W WINDS 10 TO 15 KT. GUSTS TO 25 KT IN THE MORNING.
THU NIGHT
W WINDS 5 KT.
FRI
W WINDS 5 TO 10 KT.
FRI NIGHT
SW WINDS 5 TO 10 KT. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
SAT
SW WINDS 5 TO 10 KT. SHOWERS LIKELY WITH A SLIGHT CHANCE
OF TSTMS IN THE MORNING, THEN SHOWERS WITH A CHANCE OF TSTMS IN
THE AFTERNOON.
SAT NIGHT
SW WINDS 10 KT, BECOMING NW AFTER MIDNIGHT. SHOWERS
WITH A SLIGHT CHANCE OF TSTMS IN THE EVENING, THEN A SLIGHT
CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
N WINDS 10 KT.
SUN NIGHT
NE WINDS 5 KT.
MON
NE WINDS 5 KT.
MON NIGHT
NE WINDS 5 KT.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 55 DEGREES.
AMZ350-011100-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
440 PM EST WED DEC 31 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EST THIS EVENING
THROUGH THURSDAY MORNING...
TONIGHT
W WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT LATE
THIS EVENING. SEAS 2 TO 3 FT, BUILDING TO 3 TO 4 FT AFTER
MIDNIGHT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND E 1 FOOT AT
7 SECONDS, BECOMING SW 4 FT AT 5 SECONDS AND E 1 FOOT AT
8 SECONDS.
THU
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT, SUBSIDING TO 2 TO 3 FT IN THE
AFTERNOON. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 1 FOOT AT
8 SECONDS, BECOMING SW 3 FT AT 5 SECONDS AND E 1 FOOT AT
8 SECONDS.
THU NIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 5 SECONDS.
FRI
W WINDS 10 TO 15 KT. SEAS 2 FT. WAVE DETAIL: SW 2 FT AT
5 SECONDS.
FRI NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND E 1 FOOT AT 14 SECONDS. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
SAT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 FT, BUILDING TO 3 TO 4 FT IN THE AFTERNOON.
WAVE DETAIL: SW 2 FT AT 5 SECONDS AND E 1 FOOT AT 13 SECONDS,
BECOMING S 4 FT AT 6 SECONDS AND E 1 FOOT AT 13 SECONDS. SHOWERS
LIKELY IN THE MORNING, THEN SHOWERS WITH A SLIGHT CHANCE OF TSTMS
IN THE AFTERNOON.
SAT NIGHT
SW WINDS 15 TO 20 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 4 TO 5 FT. SHOWERS WITH A SLIGHT CHANCE OF TSTMS IN THE
EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
N WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
MON
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
MON NIGHT
NE WINDS 5 KT. SEAS 2 TO 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ352-011100-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
440 PM EST WED DEC 31 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EST THIS EVENING
THROUGH THURSDAY MORNING...
TONIGHT
W WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT LATE
THIS EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS
AND E 1 FOOT AT 7 SECONDS.
THU
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND E
1 FOOT AT 8 SECONDS.
THU NIGHT
W WINDS 10 TO 15 KT. SEAS 2 FT. WAVE DETAIL: W 2 FT
AT 4 SECONDS AND E 1 FOOT AT 8 SECONDS.
FRI
W WINDS 10 KT. SEAS 2 FT. WAVE DETAIL: W 2 FT AT
4 SECONDS.
FRI NIGHT
SW WINDS 10 KT. SEAS 2 FT. WAVE DETAIL: SW 2 FT AT
4 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT, BUILDING TO 3 TO 4 FT IN THE
AFTERNOON. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 1 FOOT AT
14 SECONDS, BECOMING S 4 FT AT 6 SECONDS AND E 1 FOOT AT
13 SECONDS. SHOWERS LIKELY IN THE MORNING, THEN SHOWERS WITH A
SLIGHT CHANCE OF TSTMS IN THE AFTERNOON.
SAT NIGHT
SW WINDS 15 KT, BECOMING NW AFTER MIDNIGHT. SEAS
3 TO 4 FT. SHOWERS WITH A CHANCE OF TSTMS IN THE EVENING, THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 FT.
MON
NE WINDS 5 TO 10 KT. SEAS 2 FT.
MON NIGHT
NE WINDS 5 KT. SEAS 2 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ354-011100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
440 PM EST WED DEC 31 2025
TONIGHT
W WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND E
1 FOOT AT 8 SECONDS.
THU
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT, DIMINISHING TO
10 TO 15 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT
AT 4 SECONDS AND E 1 FOOT AT 8 SECONDS.
THU NIGHT
W WINDS 10 TO 15 KT. SEAS 2 FT. WAVE DETAIL: W 2 FT
AT 3 SECONDS AND E 1 FOOT AT 8 SECONDS.
FRI
W WINDS 10 KT. SEAS 1 TO 2 FT. WAVE DETAIL: W 2 FT AT
3 SECONDS AND E 1 FOOT AT 8 SECONDS, BECOMING SW 1 FOOT AT
3 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 1 FOOT OR LESS, THEN
AROUND 2 FT AFTER MIDNIGHT. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS,
BECOMING SW 2 FT AT 3 SECONDS AND E 1 FOOT AT 14 SECONDS. A
CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT, BUILDING TO 3 TO 4 FT IN THE
AFTERNOON. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 1 FOOT AT
14 SECONDS, BECOMING S 4 FT AT 5 SECONDS AND E 1 FOOT AT
14 SECONDS. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS WITH
A SLIGHT CHANCE OF TSTMS IN THE AFTERNOON.
SAT NIGHT
SW WINDS 15 KT, BECOMING NW AFTER MIDNIGHT. SEAS
3 TO 4 FT. SHOWERS WITH A CHANCE OF TSTMS IN THE EVENING, THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 FT.
MON
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ374-011100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
440 PM EST WED DEC 31 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EST THIS EVENING
THROUGH THURSDAY MORNING...
TONIGHT
W WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT LATE
THIS EVENING. SEAS 3 TO 4 FT, BUILDING TO 4 TO 5 FT AFTER
MIDNIGHT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND E 2 FT AT
7 SECONDS, BECOMING W 4 FT AT 5 SECONDS AND E 2 FT AT 8 SECONDS.
THU
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO 5 FT,
SUBSIDING TO 3 TO 4 FT IN THE AFTERNOON. WAVE DETAIL: W 4 FT AT
5 SECONDS AND E 1 FOOT AT 8 SECONDS.
THU NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND E 1 FOOT AT 8 SECONDS.
FRI
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT
AT 4 SECONDS AND E 1 FOOT AT 9 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SW 3 FT AT 4 SECONDS AND E 1 FOOT AT 13 SECONDS. A SLIGHT CHANCE
OF SHOWERS AFTER MIDNIGHT.
SAT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO 4 FT,
BUILDING TO 4 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: SW 4 FT AT
5 SECONDS AND E 1 FOOT AT 13 SECONDS, BECOMING S 6 FT AT
6 SECONDS AND E 1 FOOT AT 13 SECONDS. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS WITH A SLIGHT CHANCE OF TSTMS IN THE
AFTERNOON.
SAT NIGHT
SW WINDS 20 TO 25 KT, BECOMING W AFTER MIDNIGHT.
SEAS 4 TO 6 FT. SHOWERS WITH A CHANCE OF TSTMS IN THE EVENING,
THEN A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS AFTER
MIDNIGHT.
SUN
N WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 15 KT. SEAS 3 TO 4 FT.
MON
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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