083
FZUS52 KCHS 220939
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 AM EDT WED JUL 22 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-222300-
539 AM EDT WED JUL 22 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
HIGH PRESSURE WILL REMAIN CENTERED OVER THE WESTERN ATLANTIC
WHILE A BROAD AREA OF LOW PRESSURE LINGERS ACROSS THE CENTRAL
CAROLINAS INTO WEDNESDAY. A COLD FRONT WILL SLOWLY APPROACH
THROUGHOUT TODAY AND THURSDAY, POSSIBLY BECOMING STATIONARY ALONG
THE COAST THROUGH THIS WEEKEND.
AMZ340-222300-
CHARLESTON HARBOR-
539 AM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING
TODAY
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT THIS
AFTERNOON. WAVES 1 TO 2 FT. A SLIGHT CHANCE OF SHOWERS AND TSTMS
LATE THIS MORNING.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT.
THU
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS TO
20 KT IN THE AFTERNOON.
THU NIGHT
S WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT.
FRI
S WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS AND TSTMS
IN THE MORNING, THEN A CHANCE OF SHOWERS AND TSTMS IN THE
AFTERNOON.
FRI NIGHT
S WINDS 5 TO 10 KT. A CHANCE OF SHOWERS AND TSTMS.
SAT
SW WINDS 5 TO 10 KT. SHOWERS AND TSTMS LIKELY.
SAT NIGHT
W WINDS 5 TO 10 KT. SHOWERS LIKELY WITH A CHANCE OF
TSTMS.
SUN
W WINDS 5 TO 10 KT. A CHANCE OF SHOWERS AND TSTMS.
SUN NIGHT
SW WINDS 5 KT. A SLIGHT 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 87 DEGREES.
AMZ360-222300-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
539 AM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
SW WINDS 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO 5 FT. WAVE
DETAIL: S 5 FT AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS
LATE THIS MORNING.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: S 5 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.
THU
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT.
WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.
THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 FT.
WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 3 FT AT 8 SECONDS. A
SLIGHT CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.
FRI
S WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SW 3 FT AT
5 SECONDS AND SE 3 FT AT 8 SECONDS. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
FRI NIGHT
S WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
SAT
SW WINDS 10 KT. SEAS 3 FT. SHOWERS AND TSTMS LIKELY.
SAT NIGHT
W WINDS 10 TO 15 KT. SEAS 3 FT. SHOWERS AND TSTMS
LIKELY.
SUN
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ362-222300-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 AM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO 5 FT.
WAVE DETAIL: SE 4 FT AT 7 SECONDS.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 FT.
WAVE DETAIL: S 4 FT AT 6 SECONDS.
THU
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT,
SUBSIDING TO 2 TO 3 FT IN THE AFTERNOON. WAVE DETAIL: S 3 FT AT
5 SECONDS AND SE 2 FT AT 8 SECONDS, BECOMING S 2 FT AT 5 SECONDS
AND SE 2 FT AT 8 SECONDS.
THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 FT.
WAVE DETAIL: SE 3 FT AT 8 SECONDS AND S 2 FT AT 5 SECONDS.
FRI
SW WINDS 10 TO 15 KT, BECOMING S 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND
S 2 FT AT 4 SECONDS.
FRI NIGHT
S WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
SAT
SW WINDS 5 TO 10 KT. SEAS 3 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
SUN
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ364-222300-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
539 AM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
S WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT
AT 6 SECONDS.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS.
THU
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND
SE 2 FT AT 8 SECONDS.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 4 SECONDS AND SE 3 FT AT 8 SECONDS.
FRI
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 4 SECONDS AND
SE 2 FT AT 8 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS AND E 1 FOOT AT 9 SECONDS.
SAT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
SAT NIGHT
SW WINDS 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ380-222300-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
539 AM EDT WED JUL 22 2026
TODAY
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO
6 FT, SUBSIDING TO 4 TO 5 FT THIS AFTERNOON. WAVE DETAIL: S 5 FT
AT 7 SECONDS, BECOMING S 4 FT AT 7 SECONDS.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 3 FT AT 8 SECONDS.
THU
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT
AT 5 SECONDS AND SE 3 FT AT 8 SECONDS.
THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 FT.
WAVE DETAIL: SE 3 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.
FRI
S WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
FRI NIGHT
S WINDS 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS AND SW 1 FOOT AT 4 SECONDS. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
SAT
SW WINDS 10 KT. SEAS 3 FT. A CHANCE OF SHOWERS AND TSTMS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SHOWERS AND
TSTMS LIKELY.
SUN
NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ382-222300-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT WED JUL 22 2026
TODAY
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO 5 FT.
WAVE DETAIL: S 4 FT AT 6 SECONDS.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 FT.
WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 3 FT AT 8 SECONDS.
THU
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, DIMINISHING TO
5 TO 10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT
AT 5 SECONDS AND SE 3 FT AT 8 SECONDS.
THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 FT.
WAVE DETAIL: SE 3 FT AT 8 SECONDS AND S 2 FT AT 4 SECONDS.
FRI
S WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS.
FRI NIGHT
S WINDS 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS AFTER
MIDNIGHT.
SAT
SW WINDS 10 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
SUN
W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
SW WINDS 10 KT. SEAS 3 FT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ384-222300-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO 5 FT,
SUBSIDING TO 3 TO 4 FT THIS AFTERNOON. WAVE DETAIL: SE 4 FT AT
6 SECONDS, BECOMING SE 4 FT AT 7 SECONDS.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 3 FT AT 8 SECONDS.
THU
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING S 5 TO
10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT, SUBSIDING TO 2 TO 3 FT IN
THE AFTERNOON. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE 2 FT AT
8 SECONDS, BECOMING SE 2 FT AT 8 SECONDS AND S 1 FOOT AT
5 SECONDS.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS AND S 2 FT AT 4 SECONDS.
FRI
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS.
FRI NIGHT
S WINDS 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS AND E 1 FOOT AT 9 SECONDS.
SAT
SW WINDS 5 TO 10 KT. SEAS 3 FT. A CHANCE OF TSTMS WITH A
SLIGHT CHANCE OF SHOWERS.
SAT NIGHT
SW WINDS 10 KT. SEAS 3 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN NIGHT
SW WINDS 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page