423
FZUS52 KCHS 180058
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
858 PM EDT SAT MAY 17 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
AMZ300-181315-
858 PM EDT SAT MAY 17 2025
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
A STATIONARY FRONT WILL PERSIST ACROSS THE REGION THROUGH
TUESDAY. A STRONGER COLD FRONT WILL MOVE THROUGH WEDNESDAY INTO
WEDNESDAY NIGHT, FOLLOWED BY HIGH PRESSURE THROUGH LATE NEXT
WEEK.
AMZ330-181315-
CHARLESTON HARBOR-
858 PM EDT SAT MAY 17 2025
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT.
SUN
W WINDS 5 KT, BECOMING SW IN THE AFTERNOON. A SLIGHT
CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.
SUN NIGHT
SW WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS AND
TSTMS IN THE EVENING.
MON
NW WINDS 5 KT, BECOMING S IN THE AFTERNOON. A CHANCE OF
SHOWERS AND TSTMS IN THE AFTERNOON.
MON NIGHT
SW WINDS 5 TO 10 KT. A CHANCE OF SHOWERS AND TSTMS
IN THE EVENING.
TUE
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
TO 20 KT IN THE AFTERNOON.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT.
WED
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WED NIGHT
W WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A SLIGHT
CHANCE OF SHOWERS AND TSTMS.
THU
W WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
THU NIGHT
NW WINDS 10 TO 15 KT.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 78 DEGREES.
AMZ350-181315-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
858 PM EDT SAT MAY 17 2025
TONIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT WITH
GUSTS TO 20 KT LATE THIS EVENING. SEAS 3 TO 4 FT, SUBSIDING TO
2 TO 3 FT AFTER MIDNIGHT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND
SE 2 FT AT 8 SECONDS, BECOMING SW 3 FT AT 5 SECONDS AND SE 2 FT
AT 8 SECONDS.
SUN
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. A SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 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 EVENING.
MON
NW WINDS 5 KT, BECOMING SE IN THE AFTERNOON. SEAS 2 FT.
WAVE DETAIL: SE 2 FT AT 9 SECONDS AND S 1 FOOT AT 4 SECONDS. A
SLIGHT CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.
MON NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT
AT 5 SECONDS AND SE 2 FT AT 9 SECONDS. A SLIGHT CHANCE OF SHOWERS
AND TSTMS IN THE EVENING.
TUE
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
WED
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WED NIGHT
W WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS AND TSTMS.
THU
W WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.
THU NIGHT
NW WINDS 15 KT. SEAS 2 TO 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ352-181315-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
858 PM EDT SAT MAY 17 2025
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING W
5 TO 10 KT LATE. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT
4 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW IN THE 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 IN THE AFTERNOON.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT
AT 8 SECONDS AND S 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS AND
TSTMS IN THE EVENING.
MON
W WINDS 5 KT, BECOMING S IN THE AFTERNOON. SEAS 2 FT. WAVE
DETAIL: SE 2 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
TSTMS IN THE AFTERNOON.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT
AT 9 SECONDS AND S 1 FOOT AT 4 SECONDS.
TUE
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
4 SECONDS AND SE 1 FOOT AT 8 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
WED
SW WINDS 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
WED NIGHT
W WINDS 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
THU
W WINDS 15 KT. SEAS 2 TO 3 FT.
THU NIGHT
NW WINDS 15 KT. SEAS 2 TO 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ354-181315-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
858 PM EDT SAT MAY 17 2025
TONIGHT
SW WINDS 10 KT, BECOMING W LATE. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 2 FT AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
A CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT
AT 8 SECONDS. A CHANCE OF SHOWERS AND TSTMS IN THE EVENING.
MON
W WINDS 5 KT, BECOMING S IN THE AFTERNOON. SEAS 2 FT. WAVE
DETAIL: SE 2 FT AT 8 SECONDS.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 1 FOOT
AT 4 SECONDS AND SE 1 FOOT AT 9 SECONDS.
TUE
SW WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
2 FT. WAVE DETAIL: S 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT
8 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
WED
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
WED NIGHT
W WINDS 15 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
THU
W WINDS 15 KT. SEAS 2 TO 3 FT.
THU NIGHT
NW WINDS 15 KT. SEAS 2 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ374-181315-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
858 PM EDT SAT MAY 17 2025
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING W LATE. SEAS 3 FT. WAVE
DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN
W WINDS 5 TO 10 KT, BECOMING SW IN THE 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 IN THE AFTERNOON.
SUN NIGHT
SW WINDS 5 TO 10 KT. 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 KT, BECOMING SW IN THE AFTERNOON. SEAS 2 FT.
WAVE DETAIL: SE 2 FT AT 9 SECONDS AND S 1 FOOT AT 3 SECONDS.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT
AT 3 SECONDS AND SE 2 FT AT 9 SECONDS.
TUE
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
4 SECONDS AND SE 2 FT AT 8 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
WED
SW WINDS 15 KT. SEAS 3 TO 4 FT.
WED NIGHT
W WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
THU
W WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.
THU NIGHT
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page