218
FZUS52 KCHS 180706
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
205 AM 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
AMZ300-182100-
205 AM EST SUN JAN 18 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
A COLD FRONT WILL PUSH THROUGH THIS MORNING AS LOW PRESSURE
DEVELOPS OFF THE SOUTHEAST U.S. COAST. HIGH PRESSURE WILL THEN
RETURN NEXT WEEK.
AMZ330-182100-
CHARLESTON HARBOR-
205 AM EST SUN JAN 18 2026
REST OF TONIGHT
NW WINDS 5 KT. A CHANCE OF SHOWERS LATE.
SUN
N WINDS 10 KT, BECOMING NW IN THE AFTERNOON. SHOWERS. VSBY
1 TO 3 NM IN THE MORNING.
SUN NIGHT
W WINDS 10 KT.
MON
W WINDS 10 KT.
MON NIGHT
NW WINDS 5 TO 10 KT.
TUE
N WINDS 5 KT.
TUE NIGHT
NE WINDS 5 KT.
WED
NE WINDS 5 TO 10 KT.
WED NIGHT
N WINDS 5 KT.
THU
NW WINDS 5 KT. A SLIGHT CHANCE OF SHOWERS.
THU NIGHT
N WINDS 5 KT.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 54 DEGREES.
AMZ350-182100-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
205 AM EST SUN JAN 18 2026
REST OF TONIGHT
NW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S
2 FT AT 4 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS.
SUN
N WINDS 10 TO 15 KT, BECOMING NW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND SE 2 FT AT
9 SECONDS. SHOWERS. VSBY 1 TO 3 NM IN THE AFTERNOON.
SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND SE 2 FT AT 8 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 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 KT. SEAS 2 TO 3 FT.
WED
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
WED NIGHT
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE
OF SHOWERS.
THU
NW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS.
THU NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
AMZ352-182100-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
205 AM EST SUN JAN 18 2026
REST OF TONIGHT
W WINDS 5 KT, BECOMING NW 10 TO 15 KT LATE.
SEAS 2 FT. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS. A SLIGHT CHANCE OF SHOWERS, THEN A CHANCE OF SHOWERS
LATE.
SUN
N WINDS 15 TO 20 KT, BECOMING NW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: N 3 FT AT 3 SECONDS AND E 2 FT AT
8 SECONDS. SHOWERS. VSBY 1 TO 3 NM.
SUN NIGHT
NW WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: NW 3 FT AT 4 SECONDS AND SE 1 FOOT AT 8 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
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, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT.
WED
NE WINDS 10 TO 15 KT. SEAS 3 FT.
WED NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 FT. A SLIGHT CHANCE OF
SHOWERS.
THU
NW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS.
THU NIGHT
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE
OF SHOWERS.
AMZ354-182100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
205 AM EST SUN JAN 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST THIS MORNING
THROUGH THIS AFTERNOON...
REST OF TONIGHT
W WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT
LATE. SEAS 2 FT. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS AND E 1 FOOT
AT 9 SECONDS. A SLIGHT CHANCE OF SHOWERS, THEN A CHANCE OF
SHOWERS LATE.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: N 3 FT AT 4 SECONDS AND NE 2 FT AT 9 SECONDS.
SHOWERS. VSBY 1 TO 3 NM.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS.
MON
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT
AT 3 SECONDS AND E 1 FOOT AT 8 SECONDS.
MON NIGHT
NW 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
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT
AT 3 SECONDS AND E 2 FT AT 8 SECONDS.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
WED
NE WINDS 10 TO 15 KT. SEAS 3 FT.
WED NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 FT.
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.
AMZ374-182100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
205 AM EST SUN JAN 18 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST THIS MORNING
THROUGH LATE TONIGHT...
REST OF TONIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 2 FT AT 4 SECONDS AND E 1 FOOT AT 9 SECONDS. A SLIGHT
CHANCE OF SHOWERS, THEN A CHANCE OF SHOWERS LATE.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 3 TO 4 FT,
BUILDING TO 4 TO 5 FT IN THE AFTERNOON. WAVE DETAIL: NW 4 FT AT
4 SECONDS AND E 1 FOOT AT 9 SECONDS, BECOMING NW 5 FT AT
5 SECONDS AND E 2 FT AT 9 SECONDS. SHOWERS. VSBY 1 TO 3 NM.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: NW 4 FT AT 5 SECONDS AND E 2 FT AT 9 SECONDS.
MON
NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT, SUBSIDING TO 2 TO
3 FT IN THE AFTERNOON. WAVE DETAIL: NW 3 FT AT 4 SECONDS AND E
2 FT AT 8 SECONDS, BECOMING NW 3 FT AT 4 SECONDS AND SE 2 FT AT
8 SECONDS.
MON NIGHT
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT, BUILDING TO
3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: NW 2 FT AT 4 SECONDS AND
SE 2 FT AT 8 SECONDS, BECOMING 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 3 FT AT 9 SECONDS.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED NIGHT
NE WINDS 10 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE OF
SHOWERS.
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.
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