565
FZUS52 KCHS 212139
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 PM EDT SUN JUN 21 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-221100-
539 PM EDT SUN JUN 21 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
BROAD HIGH PRESSURE WILL RESIDE OVER THE AREA THROUGH MONDAY. A
COLD FRONT WILL APPROACH THE AREA MONDAY NIGHT INTO TUESDAY AND
STALL ACROSS SOUTHEAST SOUTH CAROLINA AND SOUTHEAST GEORGIA
THROUGH THE END OF THE WEEK.
AMZ340-221100-
CHARLESTON HARBOR-
539 PM EDT SUN JUN 21 2026
TONIGHT
SW WINDS 5 TO 10 KT. A SLIGHT CHANCE OF TSTMS. A
SLIGHT CHANCE OF SHOWERS.
MON
W WINDS 5 KT, BECOMING SW 10 TO 15 KT WITH GUSTS TO 20 KT
IN THE AFTERNOON. A SLIGHT CHANCE OF TSTMS. A SLIGHT CHANCE OF
SHOWERS.
MON NIGHT
SW WINDS 10 TO 15 KT.
TUE
W WINDS 10 KT, BECOMING SW IN THE AFTERNOON. A CHANCE OF
SHOWERS AND TSTMS IN THE AFTERNOON.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING W
5 TO 10 KT AFTER MIDNIGHT. A CHANCE OF SHOWERS. A CHANCE OF
TSTMS, MAINLY IN THE EVENING.
WED
N WINDS 5 KT, BECOMING E IN THE AFTERNOON. A CHANCE OF
SHOWERS AND TSTMS IN THE AFTERNOON.
WED NIGHT
SE WINDS 5 TO 10 KT. A CHANCE OF SHOWERS. A CHANCE
OF TSTMS, MAINLY IN THE EVENING.
THU
SE WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
THU NIGHT
S WINDS 5 TO 10 KT. A CHANCE OF SHOWERS AND TSTMS.
FRI
SW WINDS 10 TO 15 KT. A CHANCE OF SHOWERS AND TSTMS.
FRI 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 82 DEGREES.
AMZ360-221100-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
539 PM EDT SUN JUN 21 2026
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
6 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS UNTIL EARLY
MORNING, THEN A CHANCE OF SHOWERS AND TSTMS LATE.
MON
W WINDS 5 TO 10 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND
SE 2 FT AT 7 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 6 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO 4 FT.
WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS. A
SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.
TUE NIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT, SUBSIDING TO 2 TO 3 FT AFTER MIDNIGHT.
WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS,
BECOMING SW 3 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS. A
CHANCE OF SHOWERS. A CHANCE OF TSTMS, MAINLY IN THE EVENING.
WED
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS 2 TO
3 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS IN THE AFTERNOON.
WED NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
THU
SE WINDS 5 TO 10 KT. SEAS 2 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
FRI
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
FRI 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.
AMZ362-221100-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 PM EDT SUN JUN 21 2026
TONIGHT
SW WINDS 10 KT. SEAS 2 FT. WAVE DETAIL: SW 2 FT AT
3 SECONDS AND SE 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS AND TSTMS
EARLY THIS EVENING, THEN A SLIGHT CHANCE OF SHOWERS AND TSTMS
LATE THIS EVENING.
MON
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS IN THE MORNING.
MON NIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 1 FOOT AT 7 SECONDS. A
SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.
TUE NIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WED
NW WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
2 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE 2 FT AT 7 SECONDS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. A CHANCE OF SHOWERS
AND TSTMS.
THU
S WINDS 5 TO 10 KT. SEAS 2 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
FRI
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ364-221100-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
539 PM EDT SUN JUN 21 2026
TONIGHT
SW WINDS 10 KT. SEAS 2 FT. WAVE DETAIL: SW 2 FT AT
3 SECONDS AND SE 1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS AND
TSTMS EARLY THIS EVENING, THEN A SLIGHT CHANCE OF SHOWERS AND
TSTMS LATE THIS EVENING.
MON
SW WINDS 10 TO 15 KT. SEAS 2 FT. WAVE DETAIL: SW 2 FT AT
3 SECONDS AND SE 1 FOOT AT 7 SECONDS. A SLIGHT CHANCE OF TSTMS. A
SLIGHT CHANCE OF SHOWERS.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 FT.
WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS. A
SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE EVENING.
TUE
SW WINDS 10 TO 15 KT. SEAS 2 FT. WAVE DETAIL: SW 2 FT AT
4 SECONDS AND SE 1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS AND
TSTMS IN THE AFTERNOON.
TUE NIGHT
W WINDS 10 TO 15 KT. SEAS 2 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS AND
TSTMS, MAINLY IN THE EVENING.
WED
NW WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
2 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE 1 FOOT AT
7 SECONDS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
THU
S WINDS 5 TO 10 KT. SEAS 2 FT. A CHANCE OF SHOWERS AND
TSTMS.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 2 FT. A CHANCE OF SHOWERS
AND TSTMS.
FRI
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ380-221100-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
539 PM EDT SUN JUN 21 2026
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
6 SECONDS. A CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.
MON
W WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT, BUILDING TO 3 TO 4 FT IN THE
AFTERNOON. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT
7 SECONDS, BECOMING SW 3 FT AT 4 SECONDS AND SE 2 FT AT
7 SECONDS. A CHANCE OF SHOWERS AND TSTMS, MAINLY IN THE MORNING.
MON NIGHT
SW 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 6 SECONDS, BECOMING SW 4 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 FT. WAVE
DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
TUE NIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. SEAS 4 TO 5 FT, SUBSIDING TO 3 TO 4 FT AFTER MIDNIGHT.
WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS,
BECOMING SW 4 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS. A CHANCE
OF SHOWERS AND TSTMS.
WED
NW WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 2 FT AT
7 SECONDS. A SLIGHT CHANCE OF SHOWERS. A SLIGHT CHANCE OF TSTMS
IN THE AFTERNOON.
WED NIGHT
S WINDS 5 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
THU
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
FRI
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS
AND TSTMS.
FRI NIGHT
SW WINDS 15 TO 20 KT. SEAS 4 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ382-221100-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
539 PM EDT SUN JUN 21 2026
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 2 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SE 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS AND
TSTMS EARLY THIS EVENING, THEN A SLIGHT CHANCE OF SHOWERS AND
TSTMS LATE THIS EVENING. A CHANCE OF SHOWERS AND TSTMS AFTER
MIDNIGHT.
MON
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 1 FOOT AT 7 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 6 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO 4 FT.
WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT AT 7 SECONDS.
TUE NIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT AT 4 SECONDS AND
SE 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
WED
NW WINDS 10 KT, BECOMING W IN THE AFTERNOON. SEAS 2 TO
3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
A SLIGHT CHANCE OF SHOWERS IN THE MORNING.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
THU
S WINDS 5 TO 10 KT. SEAS 2 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
FRI
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
FRI NIGHT
SW WINDS 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ384-221100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
539 PM EDT SUN JUN 21 2026
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SW 2 FT
AT 3 SECONDS AND SE 2 FT AT 7 SECONDS. A CHANCE OF TSTMS. A
CHANCE OF SHOWERS.
MON
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SE 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS AND
TSTMS IN THE MORNING.
MON NIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS. A
SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE EVENING.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: W 3 FT AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS. A
SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
SW 2 FT AT 4 SECONDS AND SE 2 FT AT 7 SECONDS. A CHANCE OF
SHOWERS AND TSTMS.
WED
NW WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE 2 FT AT
7 SECONDS. A SLIGHT CHANCE OF SHOWERS IN THE MORNING.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
THU
SW WINDS 5 TO 10 KT. SEAS 2 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
FRI
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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