422
FZUS52 KCHS 301154
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
754 AM EDT SAT AUG 30 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
AMZ300-310015-
754 AM EDT SAT AUG 30 2025
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
HIGH PRESSURE WILL EXTEND ACROSS THE AREA THROUGH EARLY NEXT WEEK
WHILE A STATIONARY FRONT LINGERS JUST OFF THE COAST. A COLD FRONT
WILL MOVE THROUGH ON THURSDAY.
AMZ330-310015-
CHARLESTON HARBOR-
754 AM EDT SAT AUG 30 2025
TODAY
VARIABLE WINDS 5 KT, BECOMING E WINDS 10 TO 15 KT. A
CHANCE OF TSTMS. A CHANCE OF SHOWERS EARLY THIS MORNING, THEN
SHOWERS LIKELY LATE THIS MORNING.
TONIGHT
E WINDS 10 KT. A CHANCE OF TSTMS. SHOWERS LIKELY,
MAINLY IN THE EVENING.
SUN
NE WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND TSTMS.
SUN NIGHT
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND TSTMS.
MON
NE WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS IN THE MORNING, THEN A CHANCE OF SHOWERS AND
TSTMS IN THE AFTERNOON.
MON NIGHT
NE WINDS 10 TO 15 KT. A CHANCE OF SHOWERS AND TSTMS,
MAINLY IN THE EVENING.
TUE
NE WINDS 10 TO 15 KT. A CHANCE OF SHOWERS AND TSTMS.
TUE NIGHT
NE WINDS 10 TO 15 KT. A CHANCE OF SHOWERS AND TSTMS.
WED
E WINDS 10 TO 15 KT. A CHANCE OF SHOWERS AND TSTMS.
WED NIGHT
NE 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.
AMZ350-310015-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
754 AM EDT SAT AUG 30 2025
TODAY
E WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
TO 20 KT THIS AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT
5 SECONDS AND SE 1 FOOT AT 8 SECONDS. A CHANCE OF TSTMS. A CHANCE
OF SHOWERS EARLY THIS MORNING, THEN SHOWERS LIKELY LATE THIS
MORNING.
TONIGHT
E WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT.
WAVE DETAIL: E 4 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SHOWERS LIKELY WITH A CHANCE OF TSTMS IN THE EVENING, THEN A
CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT, BUILDING TO 4 TO 6 FT IN THE
AFTERNOON. WAVE DETAIL: E 4 FT AT 5 SECONDS, BECOMING E 5 FT AT
6 SECONDS. SHOWERS AND TSTMS LIKELY.
SUN NIGHT
NE WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. WAVE DETAIL: E
6 FT AT 6 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
MON
NE WINDS 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO 6 FT. WAVE
DETAIL: E 6 FT AT 7 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO
6 FT. WAVE DETAIL: E 6 FT AT 7 SECONDS. A CHANCE OF SHOWERS AND
TSTMS.
TUE
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. A CHANCE OF SHOWERS
AND TSTMS.
TUE NIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS AND TSTMS.
WED
E WINDS 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS AND
TSTMS.
WED NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ352-310015-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
754 AM EDT SAT AUG 30 2025
TODAY
E WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
TO 20 KT LATE. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 5 SECONDS
AND SE 1 FOOT AT 8 SECONDS. SHOWERS WITH TSTMS LIKELY. VSBY 1 TO
3 NM EARLY THIS AFTERNOON.
TONIGHT
E WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT.
WAVE DETAIL: E 4 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SHOWERS AND TSTMS LIKELY, MAINLY IN THE EVENING.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO 4 FT,
BUILDING TO 4 TO 5 FT IN THE AFTERNOON. WAVE DETAIL: E 4 FT AT
6 SECONDS. SHOWERS AND TSTMS LIKELY.
SUN NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO
6 FT, BUILDING TO 5 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: E 6 FT
AT 6 SECONDS, BECOMING E 6 FT AT 7 SECONDS. SHOWERS AND TSTMS
LIKELY, MAINLY IN THE EVENING.
MON
NE WINDS 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO 6 FT. WAVE
DETAIL: E 6 FT AT 7 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO
6 FT. WAVE DETAIL: E 6 FT AT 7 SECONDS. A CHANCE OF SHOWERS AND
TSTMS.
TUE
NE WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS
AND TSTMS.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS AND TSTMS.
WED
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS
AND TSTMS.
WED NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ354-310015-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
754 AM EDT SAT AUG 30 2025
TODAY
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: E 3 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SHOWERS AND TSTMS. VSBY 1 TO 3 NM THIS AFTERNOON.
TONIGHT
NE WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 3 FT. WAVE
DETAIL: E 3 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS. SHOWERS
AND TSTMS LIKELY, MAINLY IN THE EVENING.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO 4 FT,
BUILDING TO 4 TO 5 FT IN THE AFTERNOON. WAVE DETAIL: E 4 FT AT
6 SECONDS, BECOMING E 4 FT AT 5 SECONDS. SHOWERS AND TSTMS
LIKELY.
SUN NIGHT
NE WINDS 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO 5 FT.
WAVE DETAIL: NE 5 FT AT 5 SECONDS. SHOWERS AND TSTMS LIKELY,
MAINLY IN THE EVENING.
MON
NE WINDS 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO 6 FT. WAVE
DETAIL: NE 6 FT AT 7 SECONDS. A CHANCE OF SHOWERS AND TSTMS.
MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO
6 FT. WAVE DETAIL: E 6 FT AT 7 SECONDS. A CHANCE OF SHOWERS AND
TSTMS.
TUE
NE WINDS 15 TO 20 KT. SEAS 5 FT. A CHANCE OF SHOWERS AND
TSTMS.
TUE NIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF
SHOWERS AND TSTMS.
WED
E WINDS 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS AND
TSTMS.
WED NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ374-310015-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
754 AM EDT SAT AUG 30 2025
TODAY
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: E 3 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SHOWERS, TSTMS.
TONIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS. SHOWERS AND TSTMS IN THE
EVENING, THEN SHOWERS LIKELY WITH A CHANCE OF TSTMS AFTER
MIDNIGHT.
SUN
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO 4 FT,
BUILDING TO 4 TO 5 FT IN THE AFTERNOON. WAVE DETAIL: E 4 FT AT
7 SECONDS. SHOWERS AND TSTMS.
SUN NIGHT
NE WINDS 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO 6 FT.
WAVE DETAIL: E 6 FT AT 7 SECONDS. SHOWERS AND TSTMS LIKELY.
MON
NE WINDS 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO 6 FT,
BUILDING TO 6 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: NE 6 FT AT
7 SECONDS. SHOWERS AND TSTMS LIKELY.
MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 6 TO
7 FT, SUBSIDING TO 5 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: NE 6 FT
AT 7 SECONDS, BECOMING NE 6 FT AT 8 SECONDS. A CHANCE OF SHOWERS
AND TSTMS.
TUE
NE WINDS 15 TO 20 KT. SEAS 5 TO 6 FT. A CHANCE OF SHOWERS
AND TSTMS.
TUE NIGHT
NE WINDS 15 KT. SEAS 4 TO 6 FT. SHOWERS AND TSTMS
LIKELY.
WED
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. SHOWERS AND TSTMS
LIKELY.
WED NIGHT
NE WINDS 10 TO 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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