109
FZUS52 KCHS 172140
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
440 PM EST SAT JAN 17 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
AMZ300-181100-
440 PM EST SAT JAN 17 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
A COLD FRONT WILL PUSH SUNDAY MORNING AS LOW PRESSURE DEVELOPS
OFF THE SOUTHEAST U.S. COAST. HIGH PRESSURE WILL THEN RETURN NEXT
WEEK.
AMZ330-181100-
CHARLESTON HARBOR-
440 PM EST SAT JAN 17 2026
TONIGHT
SW WINDS 5 KT, BECOMING NW AFTER MIDNIGHT. A CHANCE OF
SHOWERS LATE.
SUN
NW WINDS 10 TO 15 KT. SHOWERS.
SUN NIGHT
W WINDS 10 KT.
MON
W WINDS 5 TO 10 KT.
MON NIGHT
W WINDS 5 TO 10 KT.
TUE
N WINDS 5 TO 10 KT.
TUE NIGHT
NE WINDS 5 KT.
WED
NE WINDS 5 KT.
WED NIGHT
N WINDS 5 KT.
THU
N WINDS 5 KT. A SLIGHT CHANCE OF SHOWERS.
THU NIGHT
N WINDS 5 TO 10 KT.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 54 DEGREES.
AMZ350-181100-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
440 PM EST SAT JAN 17 2026
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW LATE. SEAS 2 TO 3 FT.
WAVE DETAIL: S 2 FT AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS. A
SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. A CHANCE OF SHOWERS
LATE.
SUN
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 SE 1 FOOT AT 4 SECONDS.
SHOWERS.
SUN NIGHT
NW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS
AND NE 1 FOOT AT 4 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: N 2 FT
AT 3 SECONDS AND SE 2 FT AT 9 SECONDS.
TUE NIGHT
NE WINDS 10 KT. SEAS 2 TO 3 FT.
WED
NE WINDS 5 TO 10 KT. SEAS 3 FT.
WED NIGHT
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE
OF SHOWERS.
THU
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
THU NIGHT
N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE
OF SHOWERS.
AMZ352-181100-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
440 PM EST SAT JAN 17 2026
TONIGHT
SW WINDS 5 KT, BECOMING NW AFTER MIDNIGHT, THEN
INCREASING TO 10 TO 15 KT LATE. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
4 SECONDS AND E 1 FOOT AT 9 SECONDS. A SLIGHT CHANCE OF SHOWERS
AFTER MIDNIGHT.
SUN
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 SE 1 FOOT AT 4 SECONDS.
SHOWERS.
SUN NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
NW 3 FT AT 4 SECONDS AND NE 1 FOOT AT 4 SECONDS.
MON
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT
AT 3 SECONDS AND SE 1 FOOT AT 9 SECONDS.
MON NIGHT
NW WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT
AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
TUE
N WINDS 5 TO 10 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 5 TO 10 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 TO 4 FT. A SLIGHT CHANCE
OF SHOWERS.
THU
N WINDS 5 TO 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.
AMZ354-181100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
440 PM EST SAT JAN 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY AFTERNOON...
TONIGHT
S WINDS 5 KT, BECOMING NW AFTER MIDNIGHT, THEN
INCREASING TO 10 TO 15 KT LATE. SEAS 2 FT. WAVE DETAIL: SW 2 FT
AT 3 SECONDS AND E 1 FOOT AT 9 SECONDS. 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 SE 1 FOOT AT 4 SECONDS.
SHOWERS.
SUN NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N
3 FT AT 4 SECONDS AND E 1 FOOT AT 9 SECONDS.
MON
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 2 FT
AT 3 SECONDS AND E 1 FOOT AT 9 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.
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
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.
AMZ374-181100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
440 PM EST SAT JAN 17 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
LATE SUNDAY NIGHT...
TONIGHT
S WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT, THEN
BECOMING NW LATE. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
4 SECONDS AND E 1 FOOT AT 9 SECONDS. A SLIGHT CHANCE OF SHOWERS
AFTER MIDNIGHT. 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 SE 1 FOOT AT 4 SECONDS, BECOMING NW 5 FT AT
5 SECONDS AND SE 1 FOOT AT 4 SECONDS. SHOWERS.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO
5 FT, SUBSIDING TO 3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: NW 4 FT
AT 5 SECONDS AND E 1 FOOT 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 9 SECONDS, BECOMING NW 3 FT AT 4 SECONDS AND E 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 E 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.
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 AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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