306
FZUS52 KCHS 142140
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
439 PM EST SUN DEC 14 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
AMZ300-151000-
439 PM EST SUN DEC 14 2025
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
AN ARCTIC COLD FRONT WILL SWEEP THROUGH TODAY WITH BITTER COLD
CONDITIONS TONIGHT INTO TUESDAY. DRY HIGH PRESSURE REMAINS IN
CONTROL THROUGH THURSDAY BEFORE THE NEXT COLD FRONT IMPACTS THE
AREA FRIDAY.
AMZ330-151000-
CHARLESTON HARBOR-
440 PM EST SUN DEC 14 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING
TONIGHT
N WINDS 15 KT, INCREASING TO 20 KT LATE THIS EVENING,
THEN DIMINISHING TO 15 KT LATE. WAVES 1 TO 2 FT.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, DIMINISHING TO
5 TO 10 KT IN THE AFTERNOON.
MON NIGHT
NW WINDS 5 KT.
TUE
W WINDS 5 KT.
TUE NIGHT
SW WINDS 5 KT.
WED
W WINDS 5 KT.
WED NIGHT
E WINDS 5 KT. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT.
THU
SE WINDS 5 KT. A CHANCE OF SHOWERS.
THU NIGHT
SW WINDS 5 TO 10 KT. A CHANCE OF SHOWERS.
FRI
NW WINDS 10 KT.
FRI NIGHT
NE WINDS 5 TO 10 KT.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 55 DEGREES.
AMZ350-151000-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
440 PM EST SUN DEC 14 2025
..GALE WARNING IN EFFECT THROUGH MONDAY MORNING
TONIGHT
N WINDS 25 TO 30 KT. SEAS 4 TO 6 FT, BUILDING TO 5 TO
7 FT AFTER MIDNIGHT. WAVE DETAIL: NE 6 FT AT 10 SECONDS AND NW
5 FT AT 5 SECONDS, BECOMING NE 6 FT AT 6 SECONDS.
MON
N WINDS 20 TO 25 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT, SUBSIDING TO 4 TO 6 FT IN THE
AFTERNOON. WAVE DETAIL: NE 6 FT AT 8 SECONDS, BECOMING NE 5 FT AT
8 SECONDS.
MON NIGHT
NW WINDS 5 KT. SEAS 4 TO 5 FT, SUBSIDING TO 3 TO
4 FT AFTER MIDNIGHT. WAVE DETAIL: E 4 FT AT 9 SECONDS, BECOMING E
4 FT AT 10 SECONDS.
TUE
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 10 SECONDS.
TUE NIGHT
W WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT
10 SECONDS.
WED
W WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT
10 SECONDS.
WED NIGHT
SE WINDS 5 KT. SEAS 2 FT. A SLIGHT CHANCE OF SHOWERS
AFTER MIDNIGHT.
THU
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
THU NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS.
FRI
NW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE OF
SHOWERS.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
AMZ352-151000-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
440 PM EST SUN DEC 14 2025
..GALE WARNING IN EFFECT THROUGH MONDAY MORNING
TONIGHT
N WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT LATE
THIS EVENING. SEAS 4 TO 6 FT. WAVE DETAIL: N 6 FT AT 5 SECONDS.
MON
NE WINDS 20 TO 25 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT, SUBSIDING TO 4 TO 5 FT IN THE
AFTERNOON. WAVE DETAIL: NE 6 FT AT 7 SECONDS, BECOMING NE 5 FT AT
9 SECONDS.
MON NIGHT
N WINDS 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT
9 SECONDS.
TUE
NW WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT
9 SECONDS.
TUE NIGHT
W WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT
9 SECONDS.
WED
N WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT
10 SECONDS.
WED NIGHT
E WINDS 5 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT.
THU
SE WINDS 5 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
THU NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS.
FRI
NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
AMZ354-151000-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
440 PM EST SUN DEC 14 2025
..GALE WARNING IN EFFECT THROUGH MONDAY MORNING
TONIGHT
N WINDS 25 TO 30 KT. SEAS 4 TO 6 FT, BUILDING TO 5 TO
7 FT AFTER MIDNIGHT. WAVE DETAIL: E 6 FT AT 8 SECONDS AND N 5 FT
AT 4 SECONDS, BECOMING NE 7 FT AT 6 SECONDS.
MON
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT, DIMINISHING TO
15 TO 20 KT IN THE AFTERNOON. SEAS 5 TO 7 FT, SUBSIDING TO 4 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: NE 7 FT AT 7 SECONDS,
BECOMING NE 6 FT AT 9 SECONDS.
MON NIGHT
N WINDS 5 TO 10 KT. SEAS 4 TO 5 FT, SUBSIDING TO
3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: E 5 FT AT 9 SECONDS,
BECOMING E 4 FT AT 9 SECONDS.
TUE
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT AT
9 SECONDS.
TUE NIGHT
VARIABLE WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 9 SECONDS.
WED
N WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT
10 SECONDS.
WED NIGHT
E WINDS 5 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT.
THU
SE WINDS 5 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
THU NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 FT. A CHANCE OF SHOWERS.
FRI
NW WINDS 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
AMZ374-151000-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
440 PM EST SUN DEC 14 2025
..GALE WARNING IN EFFECT THROUGH MONDAY MORNING
TONIGHT
N WINDS 25 TO 30 KT. SEAS 5 TO 7 FT, BUILDING TO 8 TO
10 FT AFTER MIDNIGHT. WAVE DETAIL: E 7 FT AT 9 SECONDS AND N 6 FT
AT 5 SECONDS, BECOMING N 9 FT AT 7 SECONDS.
MON
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT, DIMINISHING TO
15 TO 20 KT IN THE AFTERNOON. SEAS 8 TO 10 FT, SUBSIDING TO 6 TO
8 FT IN THE AFTERNOON. WAVE DETAIL: NE 9 FT AT 8 SECONDS,
BECOMING NE 8 FT AT 9 SECONDS.
MON NIGHT
N WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 5 TO 7 FT, SUBSIDING TO 4 TO 5 FT AFTER MIDNIGHT.
WAVE DETAIL: NE 6 FT AT 9 SECONDS, BECOMING NE 5 FT AT 9 SECONDS.
TUE
N WINDS 5 TO 10 KT. SEAS 4 TO 5 FT, SUBSIDING TO 3 TO 4 FT
IN THE AFTERNOON. WAVE DETAIL: NE 5 FT AT 9 SECONDS, BECOMING NE
4 FT AT 9 SECONDS.
TUE NIGHT
E WINDS 5 KT, BECOMING SW AFTER MIDNIGHT. SEAS 3 TO
4 FT. WAVE DETAIL: NE 4 FT AT 9 SECONDS.
WED
N WINDS 5 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
9 SECONDS.
WED NIGHT
E WINDS 5 KT. SEAS 3 FT. A SLIGHT CHANCE OF SHOWERS
IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
THU NIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS.
FRI
NW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE OF
SHOWERS.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
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