820
FZUS52 KCHS 182221
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
621 PM EDT FRI JUL 18 2025
SOUTH SANTEE RIVER SC TO SAVANNAH GA OUT 20 NM AND SAVANNAH GA TO
ALTAMAHA SOUND GA OUT 60 NM, INCLUDING CHARLESTON HARBOR AND
GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-191115-
621 PM EDT FRI JUL 18 2025
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
HIGH PRESSURE WILL PREVAIL IN THE ATLANTIC THROUGH EARLY NEXT
WEEK, WITH SURFACE TROUGHING INLAND. A FRONT COULD STALL NEARBY
TOWARDS THE MIDDLE OF NEXT WEEK.
AMZ330-191115-
CHARLESTON HARBOR-
621 PM EDT FRI JUL 18 2025
TONIGHT
SW WINDS 10 TO 15 KT.
SAT
SW WINDS 10 TO 15 KT.
SAT NIGHT
SW WINDS 10 TO 15 KT.
SUN
W WINDS 10 TO 15 KT.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
MON
W WINDS 5 KT, BECOMING SW IN THE AFTERNOON. A SLIGHT
CHANCE OF SHOWERS AND TSTMS IN THE MORNING, THEN A CHANCE OF
SHOWERS AND TSTMS IN THE AFTERNOON.
MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT. A
CHANCE OF TSTMS. A CHANCE OF SHOWERS.
TUE
NE WINDS 5 TO 10 KT. SHOWERS AND TSTMS LIKELY.
TUE NIGHT
E WINDS 5 TO 10 KT. A CHANCE OF SHOWERS AND TSTMS.
WED
E WINDS 5 TO 10 KT. A CHANCE OF SHOWERS AND TSTMS.
WED NIGHT
E WINDS 5 TO 10 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.
AMZ350-191115-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
621 PM EDT FRI JUL 18 2025
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: S 3 FT
AT 8 SECONDS.
SAT
SW WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS AND SW 2 FT AT 4 SECONDS.
SAT 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 8 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN 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.
A CHANCE OF SHOWERS AND TSTMS, MAINLY IN THE EVENING.
MON
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND SE 2 FT AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE MORNING,
THEN A CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.
MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 3 FT. A CHANCE OF SHOWERS AND TSTMS.
TUE
NE WINDS 5 TO 10 KT. SEAS 2 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TUE NIGHT
E WINDS 10 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
WED
E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ352-191115-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
621 PM EDT FRI JUL 18 2025
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS EARLY THIS
EVENING.
SAT
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND
S 2 FT AT 5 SECONDS.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 FT.
WAVE DETAIL: S 2 FT AT 4 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 5 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
MON
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND SE 2 FT AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE MORNING,
THEN A CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.
MON NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
2 FT. A CHANCE OF SHOWERS AND TSTMS.
TUE
NE WINDS 5 TO 10 KT. SEAS 2 FT. SHOWERS AND TSTMS LIKELY.
TUE NIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
WED
E WINDS 5 TO 10 KT. SEAS 2 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
WED NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ354-191115-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
621 PM EDT FRI JUL 18 2025
TONIGHT
SW WINDS 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS EARLY THIS
EVENING.
SAT
W 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 8 SECONDS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS AND S 2 FT AT 4 SECONDS.
SUN
W WINDS 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.
SUN 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. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
MON
W WINDS 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.
A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE MORNING, THEN A
CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.
MON NIGHT
SW WINDS 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
2 FT. A CHANCE OF SHOWERS AND TSTMS.
TUE
NE WINDS 5 TO 10 KT. SEAS 2 FT. SHOWERS AND TSTMS LIKELY.
TUE NIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
WED
E WINDS 5 TO 10 KT. SEAS 2 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
WED NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ374-191115-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
621 PM EDT FRI JUL 18 2025
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS.
SAT
SW WINDS 5 TO 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS AND SW 2 FT AT 4 SECONDS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 4 SECONDS AND SE 3 FT AT 8 SECONDS.
SUN
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 FT.
WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS. A
SLIGHT CHANCE OF SHOWERS AND TSTMS.
MON
W WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND
SE 2 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
MON NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
TUE
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
TUE NIGHT
E WINDS 5 TO 10 KT. SEAS 2 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
WED
E WINDS 5 TO 10 KT. SEAS 2 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
WED NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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