748
FZUS52 KCHS 111744
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
144 PM EDT WED MAR 11 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
AMZ300-120700-
144 PM EDT WED MAR 11 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
HIGH PRESSURE WILL EXTEND ACROSS THE REGION TODAY. A COLD FRONT
WILL PUSH OFFSHORE THURSDAY FOLLOWED BY A RETURN TO HIGH
PRESSURE. ANOTHER COLD FRONT IS EXPECTED TO IMPACT THE REGION
EARLY NEXT WEEK.
AMZ330-120700-
CHARLESTON HARBOR-
144 PM EDT WED MAR 11 2026
THIS AFTERNOON
S WINDS 10 KT.
TONIGHT
S WINDS 10 KT, BECOMING SW AFTER MIDNIGHT.
THU
SW WINDS 15 KT, BECOMING W IN THE AFTERNOON. WAVES 1 TO
2 FT. A SLIGHT CHANCE OF TSTMS. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS IN THE AFTERNOON.
THU NIGHT
N WINDS 15 TO 20 KT, BECOMING NE 10 TO 15 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
FRI
E WINDS 5 TO 10 KT.
FRI NIGHT
SE WINDS 5 KT, BECOMING SW AFTER MIDNIGHT.
SAT
NE WINDS 5 KT.
SAT NIGHT
E WINDS 5 KT.
SUN
SE WINDS 5 TO 10 KT. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF TSTMS.
SUN NIGHT
S WINDS 5 TO 10 KT. SHOWERS LIKELY WITH A CHANCE OF
TSTMS.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 62 DEGREES.
AMZ350-120700-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
144 PM EDT WED MAR 11 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...
THIS AFTERNOON
SW WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 3 FT AT 9 SECONDS.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO
5 FT, BUILDING TO 4 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: S 4 FT
AT 5 SECONDS AND SE 2 FT AT 9 SECONDS, BECOMING S 5 FT AT
6 SECONDS AND SE 2 FT AT 9 SECONDS.
THU
SW WINDS 20 TO 25 KT, BECOMING W 25 TO 30 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: S 6 FT AT 7 SECONDS AND
SE 3 FT AT 8 SECONDS. A SLIGHT CHANCE OF TSTMS. A SLIGHT CHANCE
OF SHOWERS IN THE MORNING, THEN SHOWERS IN THE AFTERNOON.
THU NIGHT
N WINDS 25 TO 30 KT, BECOMING NE 20 TO 25 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: NW 5 FT AT 7 SECONDS AND E
5 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS.
FRI
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT, BECOMING E 5 TO
10 KT IN THE AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: NE 5 FT AT
6 SECONDS AND S 1 FOOT AT 7 SECONDS.
FRI NIGHT
SE WINDS 5 KT, BECOMING SW AFTER MIDNIGHT. SEAS 3 TO
4 FT. WAVE DETAIL: E 4 FT AT 7 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
SUN
SE WINDS 10 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN NIGHT
S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ352-120700-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
144 PM EDT WED MAR 11 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...
THIS AFTERNOON
S WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SE
3 FT AT 9 SECONDS.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO
4 FT, BUILDING TO 4 TO 5 FT AFTER MIDNIGHT. WAVE DETAIL: S 4 FT
AT 5 SECONDS AND SE 2 FT AT 9 SECONDS, BECOMING S 5 FT AT
6 SECONDS AND SE 2 FT AT 9 SECONDS.
THU
SW WINDS 20 KT, BECOMING W IN THE AFTERNOON. SEAS 4 TO
5 FT, BUILDING TO 4 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: S 5 FT
AT 7 SECONDS AND SE 2 FT AT 9 SECONDS, BECOMING SW 5 FT AT
7 SECONDS. A SLIGHT CHANCE OF TSTMS. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS IN THE AFTERNOON.
THU NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 4 TO
5 FT. WAVE DETAIL: E 5 FT AT 8 SECONDS AND NW 4 FT AT 5 SECONDS.
A SLIGHT CHANCE OF SHOWERS IN THE EVENING.
FRI
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT, DIMINISHING TO
5 TO 10 KT IN THE AFTERNOON. SEAS 4 TO 5 FT, SUBSIDING TO 3 TO
4 FT IN THE AFTERNOON. WAVE DETAIL: NE 5 FT AT 6 SECONDS,
BECOMING E 4 FT AT 8 SECONDS.
FRI NIGHT
E WINDS 5 KT, BECOMING SW AFTER MIDNIGHT. SEAS 3 TO
4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
SUN
SE WINDS 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ354-120700-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
144 PM EDT WED MAR 11 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY MORNING...
THIS AFTERNOON
S WINDS 10 KT, INCREASING TO 15 KT LATE. SEAS
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 3 FT AT 9 SECONDS.
TONIGHT
S WINDS 15 TO 20 KT. SEAS 3 TO 4 FT, BUILDING TO 4 TO
5 FT AFTER MIDNIGHT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 2 FT
AT 9 SECONDS, BECOMING S 4 FT AT 6 SECONDS AND SE 2 FT AT
9 SECONDS.
THU
SW WINDS 15 TO 20 KT, BECOMING W IN THE AFTERNOON. SEAS
4 TO 5 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND SE 3 FT AT
9 SECONDS. A SLIGHT CHANCE OF TSTMS. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS IN THE AFTERNOON.
THU NIGHT
N WINDS 25 TO 30 KT, BECOMING NE 20 TO 25 KT AFTER
MIDNIGHT. SEAS 4 TO 5 FT, BUILDING TO 4 TO 6 FT AFTER MIDNIGHT.
WAVE DETAIL: E 5 FT AT 8 SECONDS AND NW 4 FT AT 4 SECONDS,
BECOMING NE 6 FT AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS.
FRI
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT, DIMINISHING TO
10 TO 15 KT IN THE AFTERNOON. SEAS 4 TO 6 FT, SUBSIDING TO 4 TO
5 FT IN THE AFTERNOON. WAVE DETAIL: NE 5 FT AT 6 SECONDS,
BECOMING E 4 FT AT 7 SECONDS.
FRI NIGHT
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 8 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS 3 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
SUN
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ374-120700-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
144 PM EDT WED MAR 11 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT
THROUGH FRIDAY EVENING...
THIS AFTERNOON
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SE 3 FT AT 9 SECONDS AND S 2 FT AT 4 SECONDS.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO
5 FT, BUILDING TO 5 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: S 4 FT
AT 5 SECONDS AND E 3 FT AT 9 SECONDS, BECOMING S 5 FT AT
6 SECONDS AND E 3 FT AT 9 SECONDS.
THU
SW WINDS 15 TO 20 KT, BECOMING W 20 TO 25 KT IN THE
AFTERNOON. SEAS 5 TO 6 FT, SUBSIDING TO 4 TO 6 FT IN THE
AFTERNOON. WAVE DETAIL: S 5 FT AT 6 SECONDS AND SE 3 FT AT
9 SECONDS, BECOMING SW 5 FT AT 6 SECONDS AND SE 3 FT AT
9 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS IN
THE AFTERNOON.
THU NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS TO 40 KT. SEAS 5 TO
7 FT, BUILDING TO 6 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: E 7 FT
AT 9 SECONDS AND NW 6 FT AT 5 SECONDS, BECOMING NE 7 FT AT
6 SECONDS. A CHANCE OF SHOWERS, MAINLY IN THE EVENING.
FRI
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT, BECOMING E 10 TO
15 KT IN THE AFTERNOON. SEAS 5 TO 7 FT, SUBSIDING TO 4 TO 6 FT IN
THE AFTERNOON. WAVE DETAIL: NE 7 FT AT 7 SECONDS, BECOMING NE
6 FT AT 8 SECONDS.
FRI NIGHT
E WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: NE
5 FT AT 8 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS AND TSTMS.
SUN
SE WINDS 10 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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