306
FZUS52 KCHS 040939
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 AM EDT SAT JUL 4 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-042300-
539 AM EDT SAT JUL 4 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
HIGH PRESSURE WILL EXTEND OVER THE REGION THROUGH THIS WEEKEND
AND INTO EARLY NEXT WEEK.
AMZ340-042300-
CHARLESTON HARBOR-
539 AM EDT SAT JUL 4 2026
TODAY
W WINDS 5 KT EARLY THIS MORNING, BECOMING LIGHT AND
VARIABLE, THEN BECOMING S 5 TO 10 KT THIS AFTERNOON.
TONIGHT
S WINDS 10 KT, BECOMING SW AFTER MIDNIGHT.
SUN
SW WINDS 5 KT, BECOMING S 10 TO 15 KT IN THE AFTERNOON.
SUN NIGHT
SW WINDS 10 KT. A SLIGHT CHANCE OF SHOWERS AND TSTMS
AFTER MIDNIGHT.
MON
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
TO 20 KT IN THE AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND TSTMS
IN THE AFTERNOON.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS.
TUE
SW WINDS 10 TO 15 KT. A SLIGHT CHANCE OF SHOWERS AND
TSTMS.
TUE NIGHT
SW WINDS 10 TO 15 KT. A CHANCE OF SHOWERS AND TSTMS.
WED
SW WINDS 10 TO 15 KT. A CHANCE OF SHOWERS AND TSTMS.
WED 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.
AMZ360-042300-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
539 AM EDT SAT JUL 4 2026
TODAY
SW WINDS 5 KT, BECOMING S THIS AFTERNOON. SEAS 2 FT.
WAVE DETAIL: E 2 FT AT 8 SECONDS.
TONIGHT
S WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
3 SECONDS AND E 2 FT AT 9 SECONDS.
SUN
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS TO
20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
4 SECONDS AND E 2 FT AT 9 SECONDS.
SUN NIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS. A
CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.
MON
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE
1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS AND TSTMS IN THE
MORNING.
MON NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
4 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS IN THE EVENING, THEN A CHANCE OF SHOWERS AND
TSTMS AFTER MIDNIGHT.
TUE
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS AND TSTMS.
WED
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS
AND TSTMS.
WED 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.
AMZ362-042300-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 AM EDT SAT JUL 4 2026
TODAY
SW WINDS 5 KT, BECOMING SE EARLY THIS AFTERNOON, THEN
INCREASING TO 5 TO 10 KT LATE. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
8 SECONDS.
TONIGHT
S WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT
3 SECONDS AND E 2 FT AT 9 SECONDS.
SUN
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS TO
20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
4 SECONDS AND E 2 FT AT 8 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
A CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: S 3 FT AT 5 SECONDS AND E 1 FOOT AT 8 SECONDS. A
CHANCE OF SHOWERS AND TSTMS IN THE MORNING.
MON NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
TUE
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS AND TSTMS.
WED
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ364-042300-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
539 AM EDT SAT JUL 4 2026
TODAY
SW WINDS 5 KT, BECOMING SE EARLY THIS AFTERNOON, THEN
INCREASING TO 5 TO 10 KT LATE. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
8 SECONDS.
TONIGHT
S WINDS 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS 2 FT.
WAVE DETAIL: SE 2 FT AT 3 SECONDS AND E 2 FT AT 8 SECONDS.
SUN
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE
2 FT AT 8 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.
MON
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS IN THE MORNING.
MON NIGHT
S WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS IN THE EVENING.
TUE
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS.
WED
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ380-042300-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
539 AM EDT SAT JUL 4 2026
TODAY
SW WINDS 5 KT, BECOMING SE LATE. SEAS 2 FT. WAVE DETAIL:
E 2 FT AT 9 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 3 SECONDS AND E 2 FT AT 9 SECONDS.
SUN
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND E
2 FT AT 8 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO
3 FT, BUILDING TO 3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: SW 3 FT
AT 4 SECONDS AND SE 2 FT AT 8 SECONDS, BECOMING S 3 FT AT
5 SECONDS AND SE 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS AND TSTMS
AFTER MIDNIGHT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT.
WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS. A
CHANCE OF SHOWERS AND TSTMS.
MON NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL:
SW 4 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS IN THE EVENING, THEN A CHANCE OF SHOWERS AND
TSTMS AFTER MIDNIGHT.
TUE
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS AND TSTMS.
WED
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WED 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.
AMZ382-042300-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT SAT JUL 4 2026
TODAY
S WINDS 5 KT, BECOMING SE LATE. SEAS 2 FT. WAVE DETAIL:
E 2 FT AT 9 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 3 SECONDS AND E 2 FT AT
9 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
SUN NIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT.
WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS. A
CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT.
WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS. A
CHANCE OF SHOWERS AND TSTMS IN THE MORNING.
MON NIGHT
SW 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
9 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TUE
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS AND TSTMS.
WED
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED 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.
AMZ384-042300-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT SAT JUL 4 2026
TODAY
VARIABLE WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
8 SECONDS.
TONIGHT
SE WINDS 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 2 FT AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
A CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.
MON
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS. A
CHANCE OF SHOWERS AND TSTMS IN THE MORNING.
MON NIGHT
S WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
TUE
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS.
WED
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED NIGHT
SW WINDS 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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