037
FZUS52 KCHS 220128
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
828 PM EST SUN DEC 21 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
AMZ300-221415-
828 PM EST SUN DEC 21 2025
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
A COLD FRONT WILL PASS THROUGH THE REGION THIS EVENING. HIGH
PRESSURE WILL THEN PREVAIL THROUGH THE REMAINDER OF THE HOLIDAY
WEEK.
AMZ330-221415-
CHARLESTON HARBOR-
828 PM EST SUN DEC 21 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING
REST OF TONIGHT
N WINDS 5 KT, BECOMING NE 15 TO 20 KT WITH
GUSTS TO 25 KT. WAVES BUILDING 1 TO 2 FT.
MON
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT, DIMINISHING TO 10
TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT IN THE MORNING.
MON NIGHT
NE WINDS 5 TO 10 KT.
TUE
SW WINDS 5 TO 10 KT.
TUE NIGHT
W WINDS 5 KT.
WED
N WINDS 5 KT.
WED NIGHT
E WINDS 5 KT.
THU
W WINDS 5 TO 10 KT.
THU NIGHT
SW WINDS 5 TO 10 KT.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 55 DEGREES.
AMZ350-221415-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
828 PM EST SUN DEC 21 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING
REST OF TONIGHT
NE WINDS 10 TO 15 KT, INCREASING TO 20 TO
25 KT WITH GUSTS TO 30 KT. SEAS 2 TO 4 FT, BUILDING TO 4 TO 6 FT.
WAVE DETAIL: NE 3 FT AT 4 SECONDS AND SE 2 FT AT 10 SECONDS,
BECOMING NE 6 FT AT 6 SECONDS AND E 2 FT AT 10 SECONDS.
MON
NE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: E 6 FT AT 8 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT, BECOMING E 5 TO 10 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT, SUBSIDING TO 4 TO 5 FT AFTER MIDNIGHT.
WAVE DETAIL: E 6 FT AT 8 SECONDS, BECOMING E 5 FT AT 9 SECONDS.
TUE
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT
AT 9 SECONDS.
TUE NIGHT
W WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 9 SECONDS AND SW 2 FT AT 4 SECONDS.
WED
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
WED NIGHT
E WINDS 5 KT. SEAS 2 FT.
THU
W WINDS 5 TO 10 KT. SEAS 2 FT.
THU NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
AMZ352-221415-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
828 PM EST SUN DEC 21 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT
THROUGH MONDAY EVENING...
REST OF TONIGHT
NE WINDS 5 TO 10 KT, INCREASING TO 20 TO
25 KT WITH GUSTS TO 30 KT. SEAS 2 TO 3 FT, BUILDING TO 4 TO 6 FT.
WAVE DETAIL: NE 2 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS,
BECOMING NE 5 FT AT 5 SECONDS AND SE 2 FT AT 10 SECONDS.
MON
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO 6 FT.
WAVE DETAIL: E 6 FT AT 7 SECONDS AND E 2 FT AT 10 SECONDS,
BECOMING E 6 FT AT 8 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING E
5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT, SUBSIDING TO 4 TO 5 FT
AFTER MIDNIGHT. WAVE DETAIL: E 5 FT AT 8 SECONDS, BECOMING E 5 FT
AT 9 SECONDS.
TUE
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT
9 SECONDS.
TUE NIGHT
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 9 SECONDS.
WED
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
WED NIGHT
E WINDS 5 KT. SEAS 2 TO 3 FT.
THU
W WINDS 5 TO 10 KT. SEAS 2 FT.
THU NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
AMZ354-221415-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
828 PM EST SUN DEC 21 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT
THROUGH MONDAY EVENING...
REST OF TONIGHT
NE WINDS 5 TO 10 KT, INCREASING TO 15 TO 20 KT
WITH GUSTS TO 25 KT. SEAS 2 TO 3 FT, BUILDING TO 4 TO 5 FT. WAVE
DETAIL: E 2 FT AT 9 SECONDS AND NE 1 FOOT AT 5 SECONDS, BECOMING
NE 5 FT AT 5 SECONDS AND E 2 FT AT 9 SECONDS.
MON
NE WINDS 20 TO 25 KT. SEAS 4 TO 6 FT, BUILDING TO 5 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: NE 6 FT AT 6 SECONDS AND E
2 FT AT 11 SECONDS, BECOMING E 6 FT AT 7 SECONDS AND E 1 FOOT AT
11 SECONDS.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT,
SUBSIDING TO 4 TO 5 FT AFTER MIDNIGHT. WAVE DETAIL: E 5 FT AT
8 SECONDS.
TUE
SE WINDS 5 KT, BECOMING SW IN THE AFTERNOON. SEAS 4 TO
5 FT. WAVE DETAIL: E 5 FT AT 9 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 9 SECONDS.
WED
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
WED NIGHT
SE WINDS 5 KT. SEAS 2 TO 3 FT.
THU
W WINDS 5 TO 10 KT. SEAS 2 FT.
THU NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT.
AMZ374-221415-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
828 PM EST SUN DEC 21 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF TONIGHT
NE WINDS 10 KT, INCREASING TO 20 TO 25 KT WITH
GUSTS TO 30 KT. SEAS 3 TO 4 FT, BUILDING TO 5 TO 7 FT. WAVE
DETAIL: NE 3 FT AT 5 SECONDS AND E 3 FT AT 9 SECONDS, BECOMING NE
6 FT AT 6 SECONDS AND E 3 FT AT 10 SECONDS.
MON
NE WINDS 20 TO 25 KT. SEAS 6 TO 7 FT, BUILDING TO 6 TO
8 FT IN THE AFTERNOON. WAVE DETAIL: NE 7 FT AT 7 SECONDS AND E
2 FT AT 11 SECONDS, BECOMING E 7 FT AT 8 SECONDS.
MON NIGHT
E WINDS 15 TO 20 KT, BECOMING SE 10 TO 15 KT AFTER
MIDNIGHT. SEAS 5 TO 7 FT, SUBSIDING TO 5 TO 6 FT AFTER MIDNIGHT.
WAVE DETAIL: E 7 FT AT 8 SECONDS, BECOMING E 6 FT AT 8 SECONDS. A
SLIGHT CHANCE OF RAIN IN THE EVENING.
TUE
S WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
5 TO 6 FT, SUBSIDING TO 4 TO 6 FT IN THE AFTERNOON. WAVE DETAIL:
E 6 FT AT 9 SECONDS, BECOMING E 5 FT AT 9 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E
5 FT AT 9 SECONDS.
WED
NW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
WED NIGHT
NE WINDS 5 KT. SEAS 2 TO 3 FT.
THU
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
THU NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
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