022
FZUS52 KCHS 172140
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 PM EDT TUE MAR 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-
539 PM EDT TUE MAR 17 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
HIGH PRESSURE WILL PREVAIL THROUGH THE WEEKEND.
AMZ330-181100-
CHARLESTON HARBOR-
539 PM EDT TUE MAR 17 2026
TONIGHT
NW WINDS 10 KT, BECOMING N LATE THIS EVENING.
WED
NE WINDS 5 TO 10 KT.
WED NIGHT
NE WINDS 5 KT.
THU
NE WINDS 5 TO 10 KT.
THU NIGHT
VARIABLE WINDS 5 KT.
FRI
W WINDS 5 KT, BECOMING S IN THE AFTERNOON.
FRI NIGHT
S WINDS 5 KT.
SAT
SW WINDS 5 TO 10 KT.
SAT NIGHT
SW WINDS 10 KT.
SUN
SW WINDS 5 TO 10 KT.
SUN NIGHT
SW WINDS 10 KT.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 61 DEGREES.
AMZ350-181100-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
539 PM EDT TUE MAR 17 2026
TONIGHT
NW WINDS 10 TO 15 KT, BECOMING N LATE. SEAS 2 TO 3 FT,
BUILDING TO 3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: SE 3 FT AT
8 SECONDS AND NW 2 FT AT 4 SECONDS, BECOMING E 3 FT AT 8 SECONDS
AND NW 2 FT AT 3 SECONDS.
WED
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT,
BUILDING TO 4 TO 5 FT IN THE AFTERNOON. WAVE DETAIL: NE 4 FT AT
7 SECONDS AND W 1 FOOT AT 3 SECONDS, BECOMING NE 4 FT AT
7 SECONDS.
WED NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
NE 4 FT AT 8 SECONDS.
THU
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT
AT 8 SECONDS.
THU NIGHT
E WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 9 SECONDS.
FRI
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS.
FRI NIGHT
S WINDS 5 TO 10 KT. SEAS 3 FT.
SAT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN NIGHT
SW WINDS 15 KT. SEAS 4 FT.
AMZ352-181100-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 PM EDT TUE MAR 17 2026
TONIGHT
NW WINDS 10 TO 15 KT, BECOMING N LATE. SEAS 2 TO 3 FT.
WAVE DETAIL: NW 2 FT AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
WED
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT
AT 7 SECONDS AND W 2 FT AT 3 SECONDS.
WED NIGHT
NE WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT AT 8 SECONDS.
THU
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT
AT 7 SECONDS.
THU NIGHT
E WINDS 5 KT, BECOMING W AFTER MIDNIGHT. SEAS 3 TO
4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS.
FRI
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS.
FRI NIGHT
S WINDS 5 TO 10 KT. SEAS 3 FT.
SAT
SW WINDS 10 KT. SEAS 3 FT.
SAT NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
AMZ354-181100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
539 PM EDT TUE MAR 17 2026
TONIGHT
NW WINDS 10 TO 15 KT, BECOMING N LATE. SEAS 2 TO 3 FT.
WAVE DETAIL: NW 2 FT AT 3 SECONDS AND E 2 FT AT 7 SECONDS.
WED
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT
AT 6 SECONDS.
WED NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
NE 4 FT AT 7 SECONDS.
THU
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT
AT 7 SECONDS.
THU NIGHT
E WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS.
FRI
W WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS.
FRI NIGHT
S WINDS 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
3 FT.
SAT
SW WINDS 10 KT. SEAS 3 FT.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
SW WINDS 10 TO 15 KT. SEAS 3 FT.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT.
AMZ374-181100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
539 PM EDT TUE MAR 17 2026
TONIGHT
NW WINDS 10 TO 15 KT, BECOMING N LATE. SEAS 3 TO 4 FT.
WAVE DETAIL: NW 3 FT AT 5 SECONDS AND E 3 FT AT 8 SECONDS.
WED
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT, BUILDING TO 4 TO 5 FT
IN THE AFTERNOON. WAVE DETAIL: NE 4 FT AT 8 SECONDS AND N 2 FT AT
4 SECONDS, BECOMING N 4 FT AT 7 SECONDS.
WED NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO
5 FT. WAVE DETAIL: NE 5 FT AT 7 SECONDS.
THU
N WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NE 5 FT
AT 7 SECONDS.
THU NIGHT
NE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E
5 FT AT 8 SECONDS.
FRI
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS.
FRI NIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
3 TO 4 FT.
SAT
SW WINDS 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SUN
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
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