203
FZUS52 KCHS 150939
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 AM EDT WED JUL 15 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-152300-
539 AM EDT WED JUL 15 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
A WEAK BOUNDARY IS EXPECTED TO REMAIN IN THE VICINITY TODAY.
SUBTROPICAL HIGH PRESSURE WILL THEN BECOME A MORE PROMINENT
FEATURE LATE THIS WEEK AND INTO THE WEEKEND.
AMZ340-152300-
CHARLESTON HARBOR-
539 AM EDT WED JUL 15 2026
TODAY
N WINDS 5 KT, BECOMING E THIS AFTERNOON. A SLIGHT CHANCE
OF SHOWERS AND TSTMS LATE THIS MORNING. A CHANCE OF SHOWERS AND
TSTMS EARLY THIS AFTERNOON, THEN A SLIGHT CHANCE OF SHOWERS AND
TSTMS LATE.
TONIGHT
S WINDS 5 KT, BECOMING W AFTER MIDNIGHT.
THU
W WINDS 5 KT, BECOMING S IN THE AFTERNOON.
THU NIGHT
SW WINDS 5 TO 10 KT.
FRI
SW WINDS 5 TO 10 KT.
FRI NIGHT
S WINDS 5 TO 10 KT.
SAT
SW WINDS 10 TO 15 KT.
SAT NIGHT
SW WINDS 10 TO 15 KT. A CHANCE OF SHOWERS AND TSTMS.
SUN
SW WINDS 10 TO 15 KT. A CHANCE OF SHOWERS AND TSTMS.
SUN NIGHT
SW WINDS 10 TO 15 KT. A CHANCE OF SHOWERS AND TSTMS.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 86 DEGREES.
AMZ360-152300-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
539 AM EDT WED JUL 15 2026
TODAY
NE WINDS 5 TO 10 KT, BECOMING E LATE. SEAS 2 TO 3 FT.
WAVE DETAIL: NE 2 FT AT 8 SECONDS AND S 1 FOOT AT 4 SECONDS. A
SLIGHT CHANCE OF SHOWERS EARLY THIS MORNING, THEN A SLIGHT CHANCE
OF SHOWERS AND TSTMS LATE THIS MORNING AND EARLY AFTERNOON.
TONIGHT
VARIABLE WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
7 SECONDS.
THU
W WINDS 5 KT, BECOMING SW IN THE AFTERNOON. SEAS 2 FT.
WAVE DETAIL: E 2 FT AT 7 SECONDS.
THU NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT
AT 3 SECONDS AND E 2 FT AT 7 SECONDS.
FRI
SW WINDS 5 KT, BECOMING S 10 TO 15 KT IN THE AFTERNOON.
SEAS 2 FT. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT
8 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT
AT 4 SECONDS AND E 1 FOOT AT 8 SECONDS.
SAT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.
SAT NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS AND TSTMS.
SUN
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
SUN NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ362-152300-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 AM EDT WED JUL 15 2026
TODAY
N WINDS 5 TO 10 KT, DIMINISHING TO 5 KT EARLY THIS
AFTERNOON, THEN BECOMING E LATE. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 8 SECONDS AND S 1 FOOT AT 4 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
TONIGHT
VARIABLE WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
8 SECONDS.
THU
W WINDS 5 KT, BECOMING SW IN THE AFTERNOON. SEAS 2 FT.
WAVE DETAIL: E 2 FT AT 7 SECONDS.
THU NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS.
FRI
W WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
2 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND SW 1 FOOT AT
3 SECONDS.
FRI NIGHT
SW WINDS 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
3 SECONDS AND E 1 FOOT AT 8 SECONDS.
SAT
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT.
SAT NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS AND TSTMS.
SUN
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
SUN NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ364-152300-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
539 AM EDT WED JUL 15 2026
TODAY
NW WINDS 5 TO 10 KT, BECOMING N EARLY THIS AFTERNOON,
THEN BECOMING E LATE. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
8 SECONDS AND SW 1 FOOT AT 4 SECONDS. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
TONIGHT
SE WINDS 5 KT, BECOMING W AFTER MIDNIGHT. SEAS 2 FT.
WAVE DETAIL: E 2 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
TSTMS IN THE EVENING.
THU
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS AND SW 1 FOOT AT
2 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.
THU NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 7 SECONDS AND S 1 FOOT AT 2 SECONDS.
FRI
W WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
2 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND SW 1 FOOT AT
3 SECONDS.
FRI NIGHT
SW WINDS 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
3 SECONDS AND E 1 FOOT AT 7 SECONDS.
SAT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
SAT NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS.
SUN
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
SUN NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ380-152300-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
539 AM EDT WED JUL 15 2026
TODAY
NE WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: NE 3 FT AT
8 SECONDS AND SW 1 FOOT AT 4 SECONDS. A SLIGHT CHANCE OF SHOWERS
EARLY THIS MORNING, THEN A SLIGHT CHANCE OF SHOWERS AND TSTMS
LATE THIS MORNING AND EARLY AFTERNOON.
TONIGHT
SE WINDS 5 KT, BECOMING W AFTER MIDNIGHT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 3 FT AT 7 SECONDS.
THU
NW WINDS 5 KT, BECOMING SW IN THE AFTERNOON. SEAS 2 FT.
WAVE DETAIL: E 2 FT AT 7 SECONDS.
THU NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 8 SECONDS AND SW 1 FOOT AT 2 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
8 SECONDS AND SW 1 FOOT AT 3 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SW 2 FT AT 3 SECONDS AND E 1 FOOT AT 8 SECONDS.
SAT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.
SAT NIGHT
SW WINDS 20 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
SW WINDS 20 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ382-152300-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT WED JUL 15 2026
TODAY
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT
AT 8 SECONDS AND S 1 FOOT AT 4 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS EARLY THIS MORNING, THEN A CHANCE OF SHOWERS
AND TSTMS LATE THIS MORNING AND EARLY AFTERNOON.
TONIGHT
VARIABLE WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
2 FT AT 8 SECONDS AND S 1 FOOT AT 3 SECONDS.
THU
W WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS.
THU NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 8 SECONDS AND SW 1 FOOT AT 3 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
8 SECONDS AND SW 1 FOOT AT 3 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 3 SECONDS AND E 2 FT AT 8 SECONDS.
SAT
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT.
SAT NIGHT
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS AND TSTMS.
SUN
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
SUN NIGHT
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ384-152300-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT WED JUL 15 2026
TODAY
NW WINDS 5 TO 10 KT, BECOMING N LATE. SEAS 2 TO 3 FT.
WAVE DETAIL: SE 2 FT AT 8 SECONDS AND W 1 FOOT AT 3 SECONDS. A
SLIGHT CHANCE OF SHOWERS AND TSTMS EARLY THIS MORNING, THEN A
CHANCE OF SHOWERS AND TSTMS LATE THIS MORNING AND EARLY
AFTERNOON.
TONIGHT
E WINDS 5 KT, BECOMING SW AFTER MIDNIGHT. SEAS 2 FT.
WAVE DETAIL: E 2 FT AT 8 SECONDS AND SW 1 FOOT AT 3 SECONDS.
THU
NW WINDS 5 TO 10 KT, BECOMING W IN THE AFTERNOON. SEAS
2 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS AND W 1 FOOT AT 2 SECONDS.
THU NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS.
FRI
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND SW 1 FOOT AT
3 SECONDS.
FRI NIGHT
SW WINDS 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
3 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SAT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
SAT NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS.
SUN
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
SUN NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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