272
FZUS52 KCHS 312139
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 PM EDT TUE MAR 31 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
AMZ300-011100-
539 PM EDT TUE MAR 31 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
HIGH PRESSURE WILL EXTEND ACROSS THE LOCAL WATERS THROUGH THROUGH
THE FIRST HALF OF THE WEEKEND. A COLD FRONT IS EXPECTED TO MOVE
THROUGH LATE IN THE WEEKEND AND INTO EARLY NEXT WEEK.
AMZ330-011100-
CHARLESTON HARBOR-
539 PM EDT TUE MAR 31 2026
TONIGHT
S WINDS 5 TO 10 KT.
WED
S WINDS 5 TO 10 KT.
WED NIGHT
SE WINDS 5 KT.
THU
E WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS. A SLIGHT
CHANCE OF TSTMS IN THE AFTERNOON.
THU NIGHT
SE WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS AND
TSTMS IN THE EVENING.
FRI
SE WINDS 5 TO 10 KT.
FRI NIGHT
SE WINDS 5 KT.
SAT
SE WINDS 5 TO 10 KT.
SAT NIGHT
SE WINDS 5 KT.
SUN
S WINDS 5 TO 10 KT. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF TSTMS.
SUN NIGHT
SW WINDS 5 TO 10 KT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 64 DEGREES.
AMZ350-011100-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
539 PM EDT TUE MAR 31 2026
TONIGHT
S WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS.
WED
S WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS.
WED NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS.
THU
E WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS. A SLIGHT CHANCE OF TSTMS
IN THE AFTERNOON.
THU NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
4 FT AT 10 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE
EVENING.
FRI
SE WINDS 5 TO 10 KT. SEAS 4 FT. WAVE DETAIL: SE 4 FT AT
8 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SAT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SUN
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
SUN NIGHT
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ352-011100-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 PM EDT TUE MAR 31 2026
TONIGHT
S WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: E 3 FT AT
8 SECONDS.
WED
SE WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS.
WED NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS.
THU
E WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF TSTMS IN THE
AFTERNOON.
THU NIGHT
SE WINDS 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 9 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS
IN THE EVENING.
FRI
SE WINDS 5 TO 10 KT. SEAS 4 FT. WAVE DETAIL: SE 4 FT AT
8 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SAT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SUN
S WINDS 10 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
SUN NIGHT
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ354-011100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
539 PM EDT TUE MAR 31 2026
TONIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 8 SECONDS.
WED
SE WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: E 3 FT AT
8 SECONDS.
WED NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: E 3 FT
AT 8 SECONDS.
THU
E WINDS 5 KT, INCREASING TO 10 KT IN THE AFTERNOON. SEAS
3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS. A CHANCE OF SHOWERS. A
SLIGHT CHANCE OF TSTMS IN THE AFTERNOON.
THU NIGHT
SE WINDS 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE
EVENING.
FRI
SE WINDS 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT
9 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SAT
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SUN
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
SUN NIGHT
SW WINDS 15 TO 20 KT. SEAS 4 FT. A CHANCE OF
SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ374-011100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
539 PM EDT TUE MAR 31 2026
TONIGHT
SE WINDS 5 TO 10 KT. SEAS 4 FT. WAVE DETAIL: E 4 FT AT
8 SECONDS.
WED
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT
8 SECONDS.
WED NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 8 SECONDS.
THU
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT
8 SECONDS. A CHANCE OF SHOWERS. A CHANCE OF TSTMS IN THE
AFTERNOON.
THU NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SE 6 FT AT 9 SECONDS. A CHANCE OF SHOWERS WITH
A SLIGHT CHANCE OF TSTMS IN THE EVENING, THEN A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT.
FRI
SE WINDS 10 KT. SEAS 5 TO 6 FT, SUBSIDING TO 4 TO 5 FT IN
THE AFTERNOON. WAVE DETAIL: SE 6 FT AT 9 SECONDS, BECOMING SE
5 FT AT 8 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT.
SAT
SE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT.
SUN
S WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
SUN NIGHT
SW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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