924
FZUS52 KCHS 202139
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 PM EDT FRI MAR 20 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
AMZ300-211100-
539 PM EDT FRI MAR 20 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
HIGH PRESSURE WILL PREVAIL THROUGH THE WEEKEND. A BAKCDOOR COLD
FRONT WILL DROP THROUGH THE AREA EARLY NEXT WEEK, FOLLOWED BY
MORE HIGH PRESSURE.
AMZ330-211100-
CHARLESTON HARBOR-
539 PM EDT FRI MAR 20 2026
TONIGHT
S WINDS 5 KT, BECOMING SW LATE.
SAT
SW WINDS 10 KT.
SAT NIGHT
SW WINDS 5 TO 10 KT.
SUN
SW WINDS 5 TO 10 KT.
SUN NIGHT
SW WINDS 10 KT.
MON
SW WINDS 10 KT.
MON NIGHT
W WINDS 10 KT, BECOMING NE WITH GUSTS TO 20 KT AFTER
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TUE
NE WINDS 15 KT.
TUE NIGHT
NE WINDS 10 TO 15 KT. A SLIGHT CHANCE OF SHOWERS.
WED
E WINDS 5 KT. A SLIGHT CHANCE OF SHOWERS.
WED NIGHT
SE WINDS 5 KT.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 61 DEGREES.
AMZ350-211100-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
539 PM EDT FRI MAR 20 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT WITH GUSTS
TO 20 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT
10 SECONDS.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO 5 FT.
WAVE DETAIL: E 4 FT AT 10 SECONDS AND SW 3 FT AT 4 SECONDS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
SW 3 FT AT 5 SECONDS AND E 3 FT AT 10 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 5 SECONDS AND E 3 FT AT 10 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
SW 4 FT AT 5 SECONDS AND E 2 FT AT 9 SECONDS.
MON
SW WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SW 4 FT AT 6 SECONDS AND E 2 FT AT 9 SECONDS.
MON NIGHT
W WINDS 20 TO 25 KT, BECOMING NE 25 TO 30 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT, BUILDING TO 4 TO 5 FT AFTER MIDNIGHT. A
SLIGHT CHANCE OF SHOWERS AND TSTMS.
TUE
NE WINDS 25 TO 30 KT. SEAS 6 TO 8 FT.
TUE NIGHT
NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. A SLIGHT
CHANCE OF SHOWERS.
WED
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE OF
SHOWERS.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ352-211100-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 PM EDT FRI MAR 20 2026
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS.
SAT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND E 3 FT AT 10 SECONDS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
SW 3 FT AT 4 SECONDS AND E 3 FT AT 10 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 5 SECONDS AND E 3 FT AT 10 SECONDS.
SUN NIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT.
WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 2 FT AT 10 SECONDS.
MON
SW WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SW 3 FT AT 5 SECONDS AND E 2 FT AT 9 SECONDS.
MON NIGHT
W WINDS 15 TO 20 KT, BECOMING NE 25 TO 30 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO 3 TO 4 FT AFTER MIDNIGHT. A
SLIGHT CHANCE OF SHOWERS AND TSTMS.
TUE
NE WINDS 25 TO 30 KT. SEAS 5 TO 7 FT.
TUE NIGHT
NE WINDS 20 TO 25 KT. SEAS 6 TO 8 FT. A CHANCE OF
SHOWERS.
WED
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE OF
SHOWERS.
WED NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ354-211100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
539 PM EDT FRI MAR 20 2026
TONIGHT
SE WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT, THEN
INCREASING TO 10 TO 15 KT LATE. SEAS 3 TO 4 FT. WAVE DETAIL: E
3 FT AT 9 SECONDS.
SAT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT
AT 10 SECONDS AND SW 2 FT AT 3 SECONDS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
3 FT AT 10 SECONDS AND SW 2 FT AT 4 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT
AT 10 SECONDS AND SW 2 FT AT 4 SECONDS.
SUN NIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT.
WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 3 FT AT 10 SECONDS.
MON
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT, SUBSIDING TO 2 TO
3 FT IN THE AFTERNOON. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E
2 FT AT 9 SECONDS, BECOMING SW 2 FT AT 4 SECONDS AND E 2 FT AT
9 SECONDS.
MON NIGHT
SW WINDS 10 TO 15 KT, BECOMING N 20 TO 25 KT WITH
GUSTS TO 30 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO 3 TO
4 FT AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TUE
NE WINDS 25 TO 30 KT. SEAS 5 TO 7 FT.
TUE NIGHT
NE WINDS 20 TO 25 KT. SEAS 6 TO 8 FT. A CHANCE OF
SHOWERS.
WED
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. A SLIGHT CHANCE OF
SHOWERS.
WED NIGHT
SE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ374-211100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
539 PM EDT FRI MAR 20 2026
TONIGHT
E WINDS 5 KT, BECOMING S LATE THIS EVENING, THEN
BECOMING SW 10 TO 15 KT LATE. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT
AT 9 SECONDS.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO 5 FT.
WAVE DETAIL: E 5 FT AT 10 SECONDS AND SW 3 FT AT 4 SECONDS.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO
6 FT, BUILDING TO 5 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: E 5 FT
AT 10 SECONDS AND SW 3 FT AT 4 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E 4 FT
AT 10 SECONDS AND SW 3 FT AT 4 SECONDS.
SUN NIGHT
SW WINDS 15 KT WITH GUSTS TO 25 KT. SEAS 4 TO 5 FT.
WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 3 FT AT 9 SECONDS.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. SEAS 4 TO 5 FT,
SUBSIDING TO 3 TO 4 FT IN THE AFTERNOON. WAVE DETAIL: SW 4 FT AT
5 SECONDS AND E 3 FT AT 9 SECONDS, BECOMING SW 3 FT AT 5 SECONDS
AND E 2 FT AT 9 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT, BECOMING N 20 TO 25 KT WITH
GUSTS TO 35 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT, BUILDING TO 4 TO
5 FT AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TUE
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT. A SLIGHT CHANCE OF
SHOWERS.
TUE NIGHT
E WINDS 20 TO 25 KT. SEAS 7 TO 9 FT. A CHANCE OF
SHOWERS.
WED
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. A SLIGHT CHANCE OF
SHOWERS.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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