644
FZUS52 KCHS 242349
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
749 PM EDT TUE MAR 24 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
AMZ300-251300-
749 PM EDT TUE MAR 24 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
BREEZY WINDS WILL CONTINUE TO WEAKEN INTO THE EVENING HOURS, WITH
A DOWNGRADE FOR THE GALE WARNING TO A SMALL CRAFT ADVISORY
ANTICIPATED THIS EVENING. SEA CONDITIONS IMPROVE ON WEDNESDAY,
WITH HIGH PRESSURE EXPECTED FOR THE REST OF THE WORK WEEK.
AMZ330-251300-
CHARLESTON HARBOR-
749 PM EDT TUE MAR 24 2026
TONIGHT
NE WINDS 10 TO 15 KT. GUSTS TO 25 KT.
WED
NE WINDS 10 KT.
WED NIGHT
E WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT.
THU
LIGHT AND VARIABLE WINDS, BECOMING SE 5 KT IN THE
AFTERNOON.
THU NIGHT
S WINDS 5 KT.
FRI
SW WINDS 5 TO 10 KT.
FRI NIGHT
SW WINDS 10 KT, BECOMING W WITH GUSTS TO 20 KT AFTER
MIDNIGHT.
SAT
NE WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT.
SUN
NE WINDS 10 TO 15 KT.
SUN NIGHT
E WINDS 5 TO 10 KT.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 61 DEGREES.
AMZ350-251300-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
749 PM EDT TUE MAR 24 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
TONIGHT
NE WINDS 20 TO 25 KT. GUSTS TO 35 KT EARLY THIS
EVENING. SEAS 7 TO 9 FT, SUBSIDING TO 6 TO 8 FT AFTER MIDNIGHT.
WAVE DETAIL: E 9 FT AT 9 SECONDS, BECOMING E 8 FT AT 9 SECONDS.
WED
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT, SUBSIDING TO 4 TO 6 FT IN THE
AFTERNOON. WAVE DETAIL: E 6 FT AT 8 SECONDS, BECOMING E 5 FT AT
8 SECONDS.
WED NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO 5 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS.
THU
NE WINDS 5 KT, BECOMING SE IN THE AFTERNOON. SEAS 3 FT.
WAVE DETAIL: E 3 FT AT 8 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 7 SECONDS.
FRI
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND E 3 FT AT 7 SECONDS.
FRI NIGHT
SW WINDS 15 TO 20 KT, BECOMING W 25 TO 30 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING.
SAT
NE WINDS 25 TO 30 KT. SEAS 5 TO 7 FT.
SAT NIGHT
NE WINDS 20 TO 25 KT. SEAS 6 TO 8 FT.
SUN
NE WINDS 20 TO 25 KT. SEAS 5 TO 7 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
AMZ352-251300-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
749 PM EDT TUE MAR 24 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
TONIGHT
NE WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT WITH
GUSTS TO 30 KT LATE THIS EVENING. SEAS 7 TO 9 FT. WAVE DETAIL: E
9 FT AT 8 SECONDS.
WED
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO 7 FT,
SUBSIDING TO 4 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: E 7 FT AT
9 SECONDS, BECOMING E 6 FT AT 9 SECONDS.
WED NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO 5 KT AFTER
MIDNIGHT. SEAS 4 TO 5 FT, SUBSIDING TO 3 TO 4 FT AFTER MIDNIGHT.
WAVE DETAIL: E 5 FT AT 8 SECONDS, BECOMING E 4 FT AT 8 SECONDS.
THU
NE WINDS 5 KT, BECOMING SE IN THE AFTERNOON. SEAS 3 FT.
WAVE DETAIL: E 3 FT AT 8 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 8 SECONDS.
FRI
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 8 SECONDS AND SW 2 FT AT 3 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING W
20 TO 25 KT WITH GUSTS TO 30 KT AFTER MIDNIGHT. SEAS 3 FT.
SAT
NE WINDS 25 TO 30 KT. SEAS 5 TO 7 FT.
SAT NIGHT
NE WINDS 20 TO 25 KT. SEAS 6 TO 8 FT.
SUN
NE WINDS 20 TO 25 KT. SEAS 6 TO 8 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
AMZ354-251300-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
749 PM EDT TUE MAR 24 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
NE WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT AFTER
MIDNIGHT. SEAS 7 TO 9 FT. WAVE DETAIL: E 9 FT AT 8 SECONDS. A
SLIGHT CHANCE OF SHOWERS LATE THIS EVENING.
WED
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 6 TO 8 FT,
SUBSIDING TO 5 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: E 8 FT AT
9 SECONDS, BECOMING NE 7 FT AT 9 SECONDS. A SLIGHT CHANCE OF
SHOWERS IN THE MORNING.
WED NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT, SUBSIDING TO 4 TO 5 FT AFTER
MIDNIGHT. WAVE DETAIL: NE 6 FT AT 9 SECONDS, BECOMING 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.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 8 SECONDS.
FRI
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT WITH
GUSTS TO 25 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT.
SAT
NE WINDS 25 TO 30 KT. SEAS 5 TO 7 FT.
SAT NIGHT
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT.
SUN
NE WINDS 20 TO 25 KT. SEAS 7 TO 9 FT.
SUN NIGHT
E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
AMZ374-251300-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
749 PM EDT TUE MAR 24 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
TONIGHT
NE WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT LATE.
SEAS 10 TO 12 FT, SUBSIDING TO 9 TO 11 FT AFTER MIDNIGHT. WAVE
DETAIL: NE 11 FT AT 9 SECONDS, BECOMING NE 11 FT AT 10 SECONDS. A
SLIGHT CHANCE OF SHOWERS EARLY THIS EVENING. A CHANCE OF SHOWERS
LATE THIS EVENING, THEN A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT.
WED
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 7 TO 9 FT,
SUBSIDING TO 6 TO 8 FT IN THE AFTERNOON. WAVE DETAIL: NE 9 FT AT
9 SECONDS, BECOMING NE 7 FT AT 9 SECONDS. A CHANCE OF SHOWERS IN
THE MORNING.
WED NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS 5 TO 6 FT, SUBSIDING TO 4 TO 5 FT AFTER
MIDNIGHT. WAVE DETAIL: NE 6 FT AT 9 SECONDS, BECOMING E 5 FT AT
9 SECONDS.
THU
NE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT, SUBSIDING TO 3 TO
4 FT IN THE AFTERNOON. WAVE DETAIL: E 4 FT AT 8 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
3 FT AT 8 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: E 3 FT AT
8 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING SW
20 TO 25 KT WITH GUSTS TO 30 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.
SAT
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT.
SAT NIGHT
NE WINDS 25 TO 30 KT. SEAS 9 TO 12 FT. A SLIGHT
CHANCE OF SHOWERS.
SUN
NE WINDS 20 TO 25 KT. SEAS 9 TO 11 FT.
SUN NIGHT
E WINDS 15 TO 20 KT. SEAS 7 TO 9 FT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page