276
FZUS52 KCHS 160939
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 AM EDT SUN AUG 16 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-162300-
539 AM EDT SUN AUG 16 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
THE COMBINATION OF HIGH PRESSURE OVER THE NORTHERN GULF AND
SURFACE TROUGHING OVER THE SOUTHEAST U.S. WILL YIELD A TYPICAL
SUMMERTIME WIND PATTERN OVER OUR COASTAL WATERS THIS WEEK, ALONG
WITH GENERALLY LOW SEAS.
AMZ340-162300-
CHARLESTON HARBOR-
539 AM EDT SUN AUG 16 2026
TODAY
NW WINDS 5 KT, BECOMING S THIS AFTERNOON. A CHANCE OF
SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
SW WINDS 5 KT. A CHANCE OF SHOWERS AND TSTMS IN THE
EVENING.
MON
SW WINDS 5 TO 10 KT.
MON NIGHT
SW WINDS 5 TO 10 KT.
TUE
W WINDS 5 KT, BECOMING SW IN THE AFTERNOON. A SLIGHT
CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.
TUE NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. A
CHANCE OF SHOWERS AND TSTMS.
WED
S WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
WED NIGHT
S WINDS 5 TO 10 KT.
THU
S WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
THU NIGHT
S WINDS 5 TO 10 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 86 DEGREES.
AMZ360-162300-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
539 AM EDT SUN AUG 16 2026
TODAY
NW WINDS 5 TO 10 KT, BECOMING N LATE THIS MORNING, THEN
BECOMING S THIS AFTERNOON. SEAS 2 FT. WAVE DETAIL: SW 2 FT AT
4 SECONDS AND SE 2 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS
AND TSTMS EARLY THIS MORNING. A SLIGHT CHANCE OF SHOWERS AND
TSTMS LATE.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 8 SECONDS AND S 1 FOOT AT 4 SECONDS.
MON
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND
SE 2 FT AT 8 SECONDS.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 FT.
WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
TUE
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND SE 2 FT AT
8 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 5 SECONDS AND SE 2 FT AT 10 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WED
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
THU
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
THU NIGHT
S 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.
AMZ362-162300-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 AM EDT SUN AUG 16 2026
TODAY
W WINDS 5 TO 10 KT, BECOMING SW THIS AFTERNOON. SEAS
2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
TONIGHT
SW WINDS 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
8 SECONDS AND S 1 FOOT AT 4 SECONDS.
MON
W WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND
SE 2 FT AT 8 SECONDS.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
TUE
W WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND
SE 2 FT AT 8 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WED
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
THU
SW WINDS 5 TO 10 KT. SEAS 2 FT.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 2 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ364-162300-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
539 AM EDT SUN AUG 16 2026
TODAY
W WINDS 5 TO 10 KT, BECOMING S THIS AFTERNOON. SEAS
2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
A SLIGHT CHANCE OF SHOWERS AND TSTMS LATE.
TONIGHT
SW WINDS 10 KT, BECOMING W AFTER MIDNIGHT. SEAS 2 FT.
WAVE DETAIL: SE 2 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
TSTMS IN THE EVENING.
MON
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND SW 1 FOOT AT
3 SECONDS.
MON NIGHT
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.
TUE
W WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND
SE 2 FT AT 8 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS
AND SE 2 FT AT 9 SECONDS.
WED
SW WINDS 5 TO 10 KT. SEAS 2 FT.
WED NIGHT
SW 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.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 2 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ380-162300-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
539 AM EDT SUN AUG 16 2026
TODAY
W WINDS 5 TO 10 KT, BECOMING S THIS AFTERNOON. SEAS 2 TO
3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
A SLIGHT CHANCE OF SHOWERS AND TSTMS EARLY THIS MORNING.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
MON
SW WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SW 2 FT AT
4 SECONDS AND SE 2 FT AT 8 SECONDS.
MON NIGHT
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.
TUE
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 5 SECONDS AND SE 2 FT AT 9 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT
AT 10 SECONDS AND SW 2 FT AT 5 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WED
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
THU
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
THU NIGHT
S WINDS 10 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ382-162300-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT SUN AUG 16 2026
TODAY
W WINDS 5 TO 10 KT, BECOMING SW LATE. SEAS 2 TO 3 FT.
WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
MON
W WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SW 2 FT AT
4 SECONDS AND SE 2 FT AT 8 SECONDS.
MON NIGHT
SW WINDS 10 TO 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 8 SECONDS.
TUE
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING SW 5 TO
10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT
5 SECONDS AND SE 3 FT AT 8 SECONDS.
TUE NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT
AT 10 SECONDS AND SW 2 FT AT 5 SECONDS.
WED
SW WINDS 5 TO 10 KT. SEAS 3 FT.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
THU
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
THU NIGHT
S 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.
AMZ384-162300-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT SUN AUG 16 2026
TODAY
W WINDS 5 TO 10 KT, BECOMING S LATE. SEAS 2 TO 3 FT.
WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
TONIGHT
SW WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
MON
W WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT
4 SECONDS AND SE 2 FT AT 8 SECONDS.
MON 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 2 FT
AT 4 SECONDS AND SE 2 FT AT 8 SECONDS, BECOMING SW 3 FT AT
4 SECONDS AND SE 2 FT AT 8 SECONDS.
TUE
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING SW 5 TO
10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT, SUBSIDING TO 2 TO 3 FT IN
THE AFTERNOON. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 2 FT AT
8 SECONDS, BECOMING SW 2 FT AT 4 SECONDS AND SE 2 FT AT
9 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT
10 SECONDS AND SW 2 FT AT 4 SECONDS.
WED
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
THU
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
THU NIGHT
S WINDS 10 KT. SEAS 2 TO 3 FT.
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