592
FZUS52 KCHS 251821
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
221 PM EDT WED MAR 25 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
AMZ300-260830-
221 PM EDT WED MAR 25 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
MARINE CONDITIONS WILL CONTINUE TO GRADUALLY IMPROVE TODAY, WITH
HIGH PRESSURE EXPECTED FOR THE REST OF THE WORK WEEK. A DRY COLD
FRONT IS EXPECTED TO PUSH ACROSS THE COASTAL WATERS FRIDAY NIGHT
INTO SATURDAY. OVERNIGHT INTO SATURDAY, WINDS ARE FORECAST TO
SHIFT TO BECOME OUT OF THE NORTHEAST WITH GALES ACROSS THE
NEARSHORE AND OUTER ATLANTIC WATERS. WAVE HEIGHTS IN EXCESS OF
SIX FEET MAY REMAIN ACROSS A PORTION OF THE NEARSHORE WATERS
THROUGH SUNDAY.
AMZ330-260830-
CHARLESTON HARBOR-
221 PM EDT WED MAR 25 2026
THIS AFTERNOON
NE WINDS 10 KT.
TONIGHT
E WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT.
THU
VARIABLE WINDS 5 KT.
THU NIGHT
S WINDS 5 KT.
FRI
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON.
FRI NIGHT
SW WINDS 10 TO 15 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.
AMZ350-260830-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
221 PM EDT WED MAR 25 2026
THIS AFTERNOON
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT LATE. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT AT 8 SECONDS.
TONIGHT
NE WINDS 10 TO 15 KT, BECOMING E 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
VARIABLE WINDS 5 KT. SEAS 3 TO 4 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 3 FT. WAVE DETAIL: SW 3 FT AT
4 SECONDS AND SE 3 FT AT 7 SECONDS.
FRI NIGHT
SW WINDS 15 TO 20 KT, BECOMING W 20 TO 25 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E
2 FT AT 7 SECONDS.
SAT
NE WINDS 25 TO 30 KT. SEAS 4 TO 6 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 15 TO 20 KT. SEAS 5 TO 7 FT.
AMZ352-260830-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
221 PM EDT WED MAR 25 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON
THIS AFTERNOON
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS
5 TO 6 FT. WAVE DETAIL: E 6 FT AT 9 SECONDS.
TONIGHT
NE WINDS 10 TO 15 KT, BECOMING E 5 TO 10 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
E WINDS 5 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 7 SECONDS.
FRI
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 7 SECONDS AND S 2 FT AT 3 SECONDS.
FRI NIGHT
SW WINDS 15 KT, BECOMING W AFTER MIDNIGHT. SEAS
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 2 FT AT 7 SECONDS.
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.
AMZ354-260830-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
221 PM EDT WED MAR 25 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS
5 TO 7 FT. WAVE DETAIL: NE 7 FT AT 9 SECONDS.
TONIGHT
NE WINDS 10 TO 15 KT, BECOMING E 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 5 FT AT 8 SECONDS.
THU
NE WINDS 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT
8 SECONDS.
THU NIGHT
SE WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. 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 7 SECONDS.
FRI NIGHT
S WINDS 15 KT, BECOMING SW AFTER MIDNIGHT. SEAS
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 2 FT AT 7 SECONDS.
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 6 TO 8 FT.
AMZ374-260830-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
221 PM EDT WED MAR 25 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
THIS AFTERNOON
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS
6 TO 7 FT. WAVE DETAIL: NE 7 FT AT 9 SECONDS. A SLIGHT CHANCE OF
TSTMS EARLY. A SLIGHT CHANCE OF SHOWERS.
TONIGHT
NE WINDS 10 TO 15 KT, BECOMING E 5 TO 10 KT AFTER
MIDNIGHT. SEAS 5 TO 6 FT, SUBSIDING TO 4 TO 6 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 5 FT AT 8 SECONDS, BECOMING
E 4 FT AT 8 SECONDS.
THU NIGHT
SE WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS.
FRI
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E
3 FT AT 8 SECONDS.
SAT
NE WINDS 25 TO 35 KT. SEAS 6 TO 8 FT.
SAT NIGHT
NE WINDS 25 TO 30 KT. SEAS 9 TO 12 FT.
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.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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