046
FZUS52 KCHS 082139
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 PM EDT WED APR 8 2026
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
AMZ300-091100-
539 PM EDT WED APR 8 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
HIGH PRESSURE WITH STRONG NORTHEAST FLOW AND ELEVATED SEAS WILL
PERSIST ACROSS THE REGION THROUGH THE END OF THE WEEK. HIGH
PRESSURE WILL THEN SHIFT OUT OVER THE ATLANTIC LATE IN THE
WEEKEND AND INTO EARLY NEXT WEEK.
AMZ330-091100-
CHARLESTON HARBOR-
539 PM EDT WED APR 8 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
TONIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT.
THU
NE WINDS 15 KT WITH GUSTS TO 25 KT.
THU NIGHT
NE WINDS 10 TO 15 KT.
FRI
NE WINDS 10 KT.
FRI NIGHT
E WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT.
SAT
VARIABLE WINDS 5 KT.
SAT NIGHT
SE WINDS 5 KT.
SUN
E WINDS 5 TO 10 KT.
SUN NIGHT
SE WINDS 5 KT.
MON
S WINDS 5 KT.
MON NIGHT
S WINDS 5 KT.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 66 DEGREES.
AMZ350-091100-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
539 PM EDT WED APR 8 2026
..GALE WARNING IN EFFECT UNTIL 2 AM EDT THURSDAY
TONIGHT
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT. WAVE DETAIL: E
9 FT AT 9 SECONDS.
THU
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 6 TO 8 FT.
WAVE DETAIL: E 8 FT AT 10 SECONDS.
THU NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO
7 FT, SUBSIDING TO 4 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: E 7 FT
AT 10 SECONDS, BECOMING E 6 FT AT 10 SECONDS.
FRI
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT AT 10 SECONDS.
FRI NIGHT
E WINDS 10 TO 15 KT, BECOMING NE 5 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 11 SECONDS AND S
1 FOOT AT 6 SECONDS.
SAT
N WINDS 5 KT, BECOMING E IN THE AFTERNOON. SEAS 3 TO 4 FT.
WAVE DETAIL: E 4 FT AT 11 SECONDS AND S 1 FOOT AT 6 SECONDS.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SUN
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
MON
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 3 FT.
AMZ352-091100-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 PM EDT WED APR 8 2026
..GALE WARNING IN EFFECT UNTIL 2 AM EDT THURSDAY
TONIGHT
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT. WAVE DETAIL: E
9 FT AT 10 SECONDS.
THU
NE WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 7 TO 9 FT, SUBSIDING TO 6 TO 8 FT IN THE
AFTERNOON. WAVE DETAIL: E 9 FT AT 10 SECONDS, BECOMING E 8 FT AT
10 SECONDS.
THU NIGHT
NE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 5 TO 7 FT, SUBSIDING TO 4 TO 6 FT AFTER
MIDNIGHT. WAVE DETAIL: E 7 FT AT 10 SECONDS, BECOMING E 6 FT AT
10 SECONDS. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT, SUBSIDING TO 4 TO 5 FT IN THE
AFTERNOON. WAVE DETAIL: E 6 FT AT 11 SECONDS, BECOMING E 5 FT AT
11 SECONDS.
FRI NIGHT
E WINDS 10 TO 15 KT, BECOMING NE 5 KT AFTER
MIDNIGHT. SEAS 4 TO 5 FT, SUBSIDING TO 3 TO 4 FT AFTER MIDNIGHT.
WAVE DETAIL: E 5 FT AT 10 SECONDS, BECOMING E 4 FT AT 11 SECONDS.
SAT
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS 3 TO
4 FT. WAVE DETAIL: E 4 FT AT 11 SECONDS AND SE 1 FOOT AT
6 SECONDS.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SUN
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
MON
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 3 FT.
AMZ354-091100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
539 PM EDT WED APR 8 2026
..GALE WARNING IN EFFECT UNTIL 2 AM EDT THURSDAY
TONIGHT
NE WINDS 25 TO 30 KT. SEAS 8 TO 10 FT. WAVE DETAIL: E
10 FT AT 10 SECONDS. A SLIGHT CHANCE OF SHOWERS LATE.
THU
NE WINDS 25 TO 30 KT, DIMINISHING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 7 TO 9 FT, SUBSIDING TO 6 TO 8 FT IN THE
AFTERNOON. WAVE DETAIL: NE 9 FT AT 10 SECONDS, BECOMING E 8 FT AT
11 SECONDS. A SLIGHT CHANCE OF SHOWERS IN THE MORNING.
THU NIGHT
NE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 6 TO 8 FT, SUBSIDING TO 5 TO 7 FT AFTER
MIDNIGHT. WAVE DETAIL: E 8 FT AT 10 SECONDS, BECOMING E 7 FT AT
10 SECONDS. A SLIGHT CHANCE OF SHOWERS.
FRI
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT, SUBSIDING TO 4 TO
5 FT IN THE AFTERNOON. WAVE DETAIL: E 6 FT AT 11 SECONDS,
BECOMING E 5 FT AT 11 SECONDS.
FRI NIGHT
E WINDS 10 TO 15 KT, BECOMING NE 5 TO 10 KT AFTER
MIDNIGHT. SEAS 4 TO 5 FT, SUBSIDING TO 3 TO 4 FT AFTER MIDNIGHT.
WAVE DETAIL: E 5 FT AT 11 SECONDS, BECOMING E 4 FT AT 11 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT
AT 11 SECONDS.
SAT NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SUN
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
MON
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
AMZ374-091100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
539 PM EDT WED APR 8 2026
..GALE WARNING IN EFFECT UNTIL 2 AM EDT THURSDAY
TONIGHT
NE WINDS 25 TO 30 KT. SEAS 10 TO 12 FT, SUBSIDING TO
10 TO 11 FT AFTER MIDNIGHT. WAVE DETAIL: NE 12 FT AT 10 SECONDS,
BECOMING NE 11 FT AT 10 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
TSTMS LATE THIS EVENING. A SLIGHT CHANCE OF SHOWERS LATE.
THU
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 9 TO 10 FT,
SUBSIDING TO 8 TO 10 FT IN THE AFTERNOON. WAVE DETAIL: NE 10 FT
AT 11 SECONDS. A CHANCE OF SHOWERS, MAINLY IN THE MORNING.
THU NIGHT
NE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 7 TO 9 FT, SUBSIDING TO 6 TO 8 FT AFTER
MIDNIGHT. WAVE DETAIL: NE 9 FT AT 11 SECONDS, BECOMING E 8 FT AT
11 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
FRI
NE WINDS 15 TO 20 KT. SEAS 6 TO 7 FT, SUBSIDING TO 5 TO
7 FT IN THE AFTERNOON. WAVE DETAIL: E 7 FT AT 11 SECONDS. A
SLIGHT CHANCE OF SHOWERS IN THE MORNING.
FRI NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 5 TO 6 FT,
SUBSIDING TO 4 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: E 6 FT AT
11 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS 4 TO 6 FT, BUILDING TO 5 TO 6 FT
IN THE AFTERNOON. WAVE DETAIL: E 6 FT AT 11 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS 4 TO 5 FT.
SUN
E WINDS 5 TO 10 KT. SEAS 4 TO 5 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
MON
SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
MON NIGHT
SE WINDS 5 TO 10 KT. SEAS 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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