560
FZUS52 KCHS 182140
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
440 PM EST SUN JAN 18 2026
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
AMZ300-191100-
440 PM EST SUN JAN 18 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
LOW PRESSURE WILL MOVE OFF THE SOUTHEAST U.S. COAST TONIGHT, WITH
HIGH PRESSURE BUILDING INTO THE REGION INTO THE MIDDLE OF THE
WEEK.
AMZ330-191100-
CHARLESTON HARBOR-
440 PM EST SUN JAN 18 2026
TONIGHT
W WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT LATE.
GUSTS TO 25 KT.
MON
W WINDS 10 KT.
MON NIGHT
NW WINDS 5 TO 10 KT.
TUE
N WINDS 5 KT.
TUE NIGHT
NE WINDS 5 TO 10 KT.
WED
NE WINDS 5 TO 10 KT.
WED NIGHT
N WINDS 5 KT. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT.
THU
NW WINDS 5 KT. A CHANCE OF SHOWERS.
THU NIGHT
N WINDS 5 KT.
FRI
NE WINDS 5 TO 10 KT.
FRI NIGHT
NE WINDS 5 KT. A SLIGHT CHANCE OF SHOWERS.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 53 DEGREES.
AMZ350-191100-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
440 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST MONDAY
TONIGHT
NW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT, SUBSIDING TO 2 TO 3 FT AFTER MIDNIGHT.
WAVE DETAIL: NW 3 FT AT 4 SECONDS AND NE 1 FOOT AT 4 SECONDS,
BECOMING NW 3 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
MON
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT
AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
MON NIGHT
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W
2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
TUE
N WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT
3 SECONDS AND SE 2 FT AT 8 SECONDS.
TUE NIGHT
NE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 4 SECONDS AND
SE 2 FT AT 9 SECONDS.
WED
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT
AT 9 SECONDS AND NE 2 FT AT 4 SECONDS.
WED NIGHT
NE WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
3 TO 4 FT. A SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
NW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE
OF SHOWERS.
FRI
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE
OF SHOWERS.
AMZ352-191100-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
440 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST MONDAY
TONIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO
4 FT, SUBSIDING TO 2 TO 3 FT AFTER MIDNIGHT. WAVE DETAIL: NW 4 FT
AT 4 SECONDS AND SE 1 FOOT AT 5 SECONDS, BECOMING NW 3 FT AT
4 SECONDS AND SE 1 FOOT AT 9 SECONDS.
MON
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT
AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
MON NIGHT
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W
2 FT AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
TUE
NW WINDS 10 TO 15 KT, BECOMING N 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND
SE 2 FT AT 8 SECONDS.
TUE NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 3 SECONDS AND SE 2 FT AT 9 SECONDS.
WED
NE WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
9 SECONDS AND NE 2 FT AT 4 SECONDS.
WED NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 FT. A SLIGHT CHANCE OF
SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
NW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE
OF SHOWERS.
FRI
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE
OF SHOWERS.
AMZ354-191100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
440 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST MONDAY
TONIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO
4 FT, SUBSIDING TO 2 TO 3 FT AFTER MIDNIGHT. WAVE DETAIL: N 3 FT
AT 4 SECONDS AND E 1 FOOT AT 9 SECONDS.
MON
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT
AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
MON NIGHT
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W
2 FT AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
TUE
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT
AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N
2 FT AT 3 SECONDS AND SE 2 FT AT 9 SECONDS.
WED
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT
AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
WED NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 FT. A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT.
THU
N WINDS 10 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
THU NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE
OF SHOWERS.
FRI
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT
CHANCE OF SHOWERS.
AMZ374-191100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
440 PM EST SUN JAN 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST MONDAY
TONIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO
6 FT, SUBSIDING TO 4 TO 5 FT AFTER MIDNIGHT. WAVE DETAIL: NW 5 FT
AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS, BECOMING NW 4 FT AT
5 SECONDS AND E 2 FT AT 9 SECONDS.
MON
NW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: NW 4 FT AT 4 SECONDS AND
SE 2 FT AT 8 SECONDS.
MON NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
TUE
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NW 3 FT
AT 4 SECONDS AND E 2 FT AT 8 SECONDS.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: N
3 FT AT 4 SECONDS AND E 3 FT AT 9 SECONDS.
WED
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 3 FT
AT 4 SECONDS AND E 3 FT AT 9 SECONDS.
WED NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT, BUILDING TO
4 TO 5 FT AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
THU
N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS.
THU NIGHT
N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE
OF SHOWERS.
FRI
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
FRI NIGHT
E WINDS 10 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE OF
SHOWERS.
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