994
FZUS52 KCHS 181730
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
130 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
AMZ300-190600-
130 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.
AMZ330-190600-
CHARLESTON HARBOR-
130 PM EDT FRI JUL 18 2025
THIS AFTERNOON
S WINDS 10 TO 15 KT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS EARLY, THEN A CHANCE OF SHOWERS AND TSTMS LATE.
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 TO 10 KT. A CHANCE OF SHOWERS AND TSTMS.
MON NIGHT
S WINDS 5 TO 10 KT. A CHANCE OF SHOWERS AND TSTMS.
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.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 87 DEGREES.
AMZ350-190600-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
130 PM EDT FRI JUL 18 2025
THIS AFTERNOON
SW WINDS 10 TO 15 KT. SEAS 3 FT. WAVE DETAIL:
SE 3 FT AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
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. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY
WITH A CHANCE OF 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.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ352-190600-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
130 PM EDT FRI JUL 18 2025
THIS AFTERNOON
S WINDS 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT
AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS LATE.
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 IN THE
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. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
MON NIGHT
SW WINDS 5 TO 10 KT. 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.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ354-190600-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
130 PM EDT FRI JUL 18 2025
THIS AFTERNOON
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
TSTMS.
TONIGHT
SW WINDS 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE 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 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
MON NIGHT
SW WINDS 5 TO 10 KT. 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.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ374-190600-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
130 PM EDT FRI JUL 18 2025
THIS AFTERNOON
S WINDS 10 KT. SEAS 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS EARLY.
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. SEAS 2 TO 3 FT. 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.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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