669
FZUS52 KCHS 310909
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
409 AM 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
AMZ300-312315-
409 AM EST WED DEC 31 2025
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
HIGH PRESSURE WILL PREVAIL FOR THE REMAINDER OF THE WEEK. A LOW
PRESSURE SYSTEM WILL MOVE THROUGH ON SATURDAY, FOLLOWED BY A COLD
FRONT LATER THIS WEEKEND.
AMZ330-312315-
CHARLESTON HARBOR-
409 AM EST WED DEC 31 2025
TODAY
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON.
TONIGHT
W WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT. WAVES
BUILDING 1 TO 2 FT.
THU
W WINDS 15 KT WITH GUSTS TO 20 KT, DIMINISHING TO 5 TO
10 KT IN THE AFTERNOON.
THU NIGHT
W WINDS 5 KT.
FRI
W WINDS 5 TO 10 KT.
FRI NIGHT
SW WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS IN
THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT
SW WINDS 5 TO 10 KT. SHOWERS WITH A SLIGHT CHANCE OF
TSTMS.
SAT NIGHT
N WINDS 5 TO 10 KT. SHOWERS LIKELY.
SUN
N WINDS 5 TO 10 KT.
SUN 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.
AMZ350-312315-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
409 AM EST WED DEC 31 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY MORNING...
TODAY
NW WINDS 15 KT WITH GUSTS TO 20 KT, DIMINISHING TO 10 TO
15 KT LATER THEN MORNING, THEN BECOMING W 10 KT. SEAS 1 TO 2 FT.
WAVE DETAIL: W 2 FT AT 3 SECONDS AND NE 1 FOOT AT 6 SECONDS.
TONIGHT
W WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT WITH
GUSTS TO 30 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO 3 TO 5
FT AWAY FROM THE COAST AFTER MIDNIGHT. WAVE DETAIL: SW 3 FT AT 4
SECONDS AND E 1 FOOT AT 7 SECONDS, BECOMING SW 5 FT AT 5 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 3 TO 5 FT, EXCEPT 2 TO 3 FT,
NEAR THE IMMEDIATE COAST, SUBSIDING TO 2 TO 3 FT THROUGHOUT.
SW 5 FT AT 6 SECONDS AND E 1 FOOT AT 8 SECONDS, BECOMING SW 3 FT
AT 6 SECONDS AND E 1 FOOT AT 8 SECONDS.
THU NIGHT
W WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. WAVE DETAIL: SW
2 FT AT 5 SECONDS.
FRI
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. SEAS 1 TO 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 1 TO 2 FT. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
SAT NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY.
SUN
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS.
SUN NIGHT
NE WINDS 10 KT. SEAS 2 TO 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ352-312315-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
409 AM EST WED DEC 31 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY MORNING...
TODAY
NW WINDS 15 KT WITH GUSTS TO 20 KT, DIMINISHING TO 10 TO
15 KT LATER THIS MORNING, THEN BECOMING W 10 KT. SEAS 1 TO 2 FT.
WAVE DETAIL: NW 2 FT AT 3 SECONDS AND E 1 FOOT AT 7 SECONDS.
TONIGHT
W WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT WITH
GUSTS TO 30 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO 3 TO 4
FT AWAY FROM THE COAST. WAVE DETAIL: W 3 FT AT 4 SECONDS AND E 1
FOOT AT 7 SECONDS, BECOMING W 4 FT AT 5 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 3 TO 4 FT, EXCEPT 2 TO 3 FT
NEAR THE IMMEDIATE COAST, SUBSIDING TO 2 TO 3 FT THROUGHOUT. WAVE
DETAIL: W 4 FT AT 5 SECONDS AND E 1 FOOT AT 8 SECONDS, BECOMING W
3 FT AT 4 SECONDS AND E 1 FOOT AT 8 SECONDS.
THU NIGHT
W WINDS 10 KT. SEAS 1 TO 2 FT. WAVE DETAIL: W 2 FT
AT 4 SECONDS AND E 1 FOOT AT 8 SECONDS.
FRI
W WINDS 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: W 1 FOOT
AT 4 SECONDS.
FRI NIGHT
SW WINDS 10 KT. SEAS 1 TO 2 FT. A SLIGHT CHANCE OF
SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
SAT NIGHT
NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SHOWERS.
SUN
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS 1 TO 2 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ354-312315-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
409 AM EST WED DEC 31 2025
TODAY
NW WINDS 15 KT WITH GUSTS TO 20 KT, BECOMING W 10 TO
15 KT. SEAS 1 TO 2 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND E 1
FOOT AT 8 SECONDS.
TONIGHT
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 2 TO 3
FT. WAVE DETAIL: W 3 FT AT 3 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 1 TO 2 FT. WAVE DETAIL: W
2 FT AT 3 SECONDS AND E 1 FOOT AT 8 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: W
1 FOOT AT 3 SECONDS AND E 1 FOOT AT 8 SECONDS.
FRI NIGHT
SW WINDS 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND
2 FT AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS IN THE EVENING,
THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
SAT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
SAT NIGHT
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
SUN
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS.
SUN NIGHT
NE WINDS 10 KT. SEAS 1 TO 2 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ374-312315-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
409 AM EST WED DEC 31 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY MORNING...
TODAY
NW WINDS 15 KT WITH GUSTS TO 20 KT, BECOMING W 10 TO 15
KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND NE 2 FT
AT 8 SECONDS.
TONIGHT
W WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT WITH
GUSTS TO 30 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO 4 TO 5
FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND E 2 FT AT 7 SECONDS,
BECOMING W 5 FT AT 5 SECONDS AND E 2 FT AT 8 SECONDS.
THU
W WINDS 15 TO 20 KT. GUSTS TO 25 KT IN THE MORNING. SEAS 4
TO 5 FT, SUBSIDING TO 3 TO 4 FT. WAVE DETAIL: W 5 FT AT 5 SECONDS
AND E 1 FOOT AT 8 SECONDS, BECOMING W 4 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: W
3 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 3 SECONDS
AND E 1 FOOT AT 9 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
SAT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
SAT NIGHT
W WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
SUN
N WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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