161
FZUS52 KCHS 090940
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
540 AM EDT SAT MAY 9 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-092300-
540 AM EDT SAT MAY 9 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
A STATIONARY FRONT WILL TRY TO SLOWLY LIFT NORTH THIS WEEKEND. A
COLD FRONT WILL MOVE THROUGH ON MONDAY, BRINGING NEAR GALE
CONDITIONS THAT SHOULD LAST INTO TUESDAY. CONDITIONS IMPROVE
LATER TUESDAY INTO WEDNESDAY AS HIGH PRESSURE QUICKLY PASSES TO
OUR NORTH.
AMZ340-092300-
CHARLESTON HARBOR-
540 AM EDT SAT MAY 9 2026
TODAY
S WINDS 5 TO 10 KT, BECOMING SW LATE. A SLIGHT CHANCE OF
TSTMS. A CHANCE OF SHOWERS.
TONIGHT
SW WINDS 5 TO 10 KT. A SLIGHT CHANCE OF TSTMS. A
CHANCE OF SHOWERS.
SUN
W WINDS 5 KT, BECOMING S IN THE AFTERNOON. A SLIGHT CHANCE
OF TSTMS. A CHANCE OF SHOWERS, MAINLY IN THE MORNING.
SUN NIGHT
SW WINDS 5 KT. A SLIGHT CHANCE OF TSTMS. A SLIGHT
CHANCE OF SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT.
MON
SW WINDS 5 TO 10 KT. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF TSTMS IN THE MORNING, THEN SHOWERS WITH A CHANCE OF
TSTMS IN THE AFTERNOON.
MON NIGHT
NW WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT WITH
GUSTS TO 20 KT AFTER MIDNIGHT. SHOWERS WITH A SLIGHT CHANCE OF
TSTMS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
TUE
NE WINDS 10 TO 15 KT.
TUE NIGHT
E WINDS 5 TO 10 KT.
WED
E WINDS 5 TO 10 KT.
WED NIGHT
S WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS AND
TSTMS.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
AMZ360-092300-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
540 AM EDT SAT MAY 9 2026
TODAY
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT
AT 6 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS
THIS MORNING, THEN A CHANCE OF SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS. A SLIGHT CHANCE OF
TSTMS. A SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A CHANCE
OF SHOWERS AFTER MIDNIGHT.
SUN
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
6 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS IN THE MORNING, THEN A SLIGHT CHANCE OF
SHOWERS IN THE AFTERNOON.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT
AT 13 SECONDS AND S 1 FOOT AT 5 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS IN THE EVENING, THEN A CHANCE OF SHOWERS AND
TSTMS AFTER MIDNIGHT.
MON
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
5 SECONDS AND SE 2 FT AT 12 SECONDS. A SLIGHT CHANCE OF TSTMS. A
CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS IN THE AFTERNOON.
MON NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING N
20 TO 25 KT WITH GUSTS TO 30 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT,
BUILDING TO 3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: NW 2 FT AT
3 SECONDS AND S 2 FT AT 5 SECONDS, BECOMING N 4 FT AT 4 SECONDS
AND S 1 FOOT AT 5 SECONDS. SHOWERS WITH A SLIGHT CHANCE OF TSTMS
IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
TUE
NE WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
WED
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
WED NIGHT
S WINDS 10 KT. SEAS 3 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ362-092300-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
540 AM EDT SAT MAY 9 2026
TODAY
S WINDS 5 TO 10 KT, BECOMING SW LATE. SEAS 2 FT. WAVE
DETAIL: E 1 FOOT AT 6 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE
OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS THIS MORNING, THEN A
CHANCE OF SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
4 SECONDS AND E 2 FT AT 7 SECONDS. A SLIGHT CHANCE OF TSTMS. A
CHANCE OF SHOWERS.
SUN
SW WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS
AND SE 1 FOOT AT 7 SECONDS. A SLIGHT CHANCE OF TSTMS. A CHANCE OF
SHOWERS, MAINLY IN THE MORNING.
SUN NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 1 FOOT
AT 8 SECONDS AND SE 1 FOOT AT 13 SECONDS. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
MON
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
6 SECONDS AND E 1 FOOT AT 9 SECONDS. A SLIGHT CHANCE OF TSTMS. A
CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS IN THE AFTERNOON.
MON NIGHT
NW WINDS 10 KT, BECOMING N 20 TO 25 KT WITH GUSTS TO
30 KT AFTER MIDNIGHT. SEAS 2 FT, BUILDING TO 3 TO 4 FT AFTER
MIDNIGHT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND E 1 FOOT AT
12 SECONDS, BECOMING N 3 FT AT 4 SECONDS AND SE 1 FOOT AT
5 SECONDS. SHOWERS WITH A SLIGHT CHANCE OF TSTMS IN THE EVENING,
THEN SHOWERS LIKELY AFTER MIDNIGHT.
TUE
NE WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
WED NIGHT
S WINDS 10 KT. SEAS 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ364-092300-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
540 AM EDT SAT MAY 9 2026
TODAY
SE WINDS 5 TO 10 KT, BECOMING SW THIS AFTERNOON. SEAS
2 FT. WAVE DETAIL: E 1 FOOT AT 6 SECONDS AND E 1 FOOT AT
9 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS THIS
MORNING, THEN A CHANCE OF SHOWERS AND TSTMS THIS AFTERNOON.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
7 SECONDS AND S 1 FOOT AT 4 SECONDS. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS IN THE EVENING, THEN A CHANCE OF SHOWERS
AFTER MIDNIGHT.
SUN
W WINDS 5 KT, BECOMING S IN THE AFTERNOON. SEAS 2 FT. WAVE
DETAIL: E 2 FT AT 8 SECONDS AND SE 1 FOOT AT 4 SECONDS. A CHANCE
OF SHOWERS IN THE MORNING, THEN A SLIGHT CHANCE OF SHOWERS AND
TSTMS IN THE AFTERNOON.
SUN NIGHT
S WINDS 5 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT AT
7 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
MON
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 1 FOOT AT
6 SECONDS AND E 1 FOOT AT 9 SECONDS. A SLIGHT CHANCE OF TSTMS. A
CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS IN THE AFTERNOON.
MON NIGHT
W WINDS 5 TO 10 KT, BECOMING N 20 TO 25 KT AFTER
MIDNIGHT. SEAS 2 FT, BUILDING TO 3 TO 4 FT AFTER MIDNIGHT. WAVE
DETAIL: SE 2 FT AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS, BECOMING
NE 3 FT AT 5 SECONDS AND NW 2 FT AT 2 SECONDS. SHOWERS WITH A
SLIGHT CHANCE OF TSTMS IN THE EVENING, THEN SHOWERS LIKELY AFTER
MIDNIGHT.
TUE
NE WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
WED
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ380-092300-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
540 AM EDT SAT MAY 9 2026
TODAY
S WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT THIS
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND E
2 FT AT 8 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
TSTMS THIS MORNING, THEN A CHANCE OF SHOWERS AND TSTMS THIS
AFTERNOON.
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND E
2 FT AT 8 SECONDS. A SLIGHT CHANCE OF TSTMS. A CHANCE OF SHOWERS.
SUN
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 E 2 FT AT
9 SECONDS. A CHANCE OF TSTMS IN THE MORNING. A CHANCE OF SHOWERS.
SUN NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT
AT 12 SECONDS AND S 1 FOOT AT 4 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS IN THE EVENING, THEN A CHANCE OF SHOWERS AND
TSTMS AFTER MIDNIGHT.
MON
SW WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT
4 SECONDS AND SE 2 FT AT 12 SECONDS. SHOWERS LIKELY WITH A CHANCE
OF TSTMS IN THE MORNING, THEN SHOWERS WITH A SLIGHT CHANCE OF
TSTMS IN THE AFTERNOON.
MON NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING N
20 TO 25 KT WITH GUSTS TO 30 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT,
BUILDING TO 4 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: W 2 FT AT
4 SECONDS AND S 2 FT AT 5 SECONDS, BECOMING N 5 FT AT 5 SECONDS
AND E 2 FT AT 12 SECONDS. A SLIGHT CHANCE OF TSTMS. SHOWERS,
MAINLY IN THE EVENING.
TUE
NE WINDS 25 TO 30 KT. SEAS 6 TO 8 FT. A SLIGHT CHANCE OF
SHOWERS.
TUE NIGHT
E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
WED
SE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT.
WED NIGHT
S WINDS 10 TO 15 KT. SEAS 4 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ382-092300-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
540 AM EDT SAT MAY 9 2026
TODAY
S WINDS 5 TO 10 KT, BECOMING SW LATE. SEAS 2 TO 3 FT.
WAVE DETAIL: S 2 FT AT 4 SECONDS AND NE 2 FT AT 6 SECONDS. A
SLIGHT CHANCE OF TSTMS. A CHANCE OF SHOWERS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 4 SECONDS AND E 2 FT AT 8 SECONDS. A SLIGHT CHANCE OF
TSTMS. A SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN A CHANCE
OF SHOWERS AFTER MIDNIGHT.
SUN
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 8 SECONDS AND E 2 FT AT 9 SECONDS. A SLIGHT CHANCE OF TSTMS IN
THE MORNING. A CHANCE OF SHOWERS.
SUN NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT
AT 13 SECONDS AND E 1 FOOT AT 9 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND TSTMS IN THE EVENING, THEN A CHANCE OF SHOWERS AND
TSTMS AFTER MIDNIGHT.
MON
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: S 2 FT AT
5 SECONDS AND SE 2 FT AT 12 SECONDS. A CHANCE OF SHOWERS AND
TSTMS IN THE MORNING, THEN SHOWERS WITH A SLIGHT CHANCE OF TSTMS
IN THE AFTERNOON.
MON NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING N
20 TO 25 KT WITH GUSTS TO 30 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT,
BUILDING TO 3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: W 2 FT AT
3 SECONDS AND S 2 FT AT 5 SECONDS, BECOMING N 4 FT AT 4 SECONDS
AND S 1 FOOT AT 5 SECONDS. A SLIGHT CHANCE OF TSTMS. SHOWERS.
TUE
NE WINDS 25 TO 30 KT. SEAS 6 TO 8 FT. A SLIGHT CHANCE OF
SHOWERS.
TUE NIGHT
NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
WED
E WINDS 5 TO 10 KT. SEAS 4 TO 5 FT.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE
OF SHOWERS AND TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ384-092300-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
540 AM EDT SAT MAY 9 2026
TODAY
S WINDS 5 TO 10 KT, BECOMING SW THIS AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND NE 2 FT AT
5 SECONDS. A SLIGHT CHANCE OF TSTMS. A CHANCE OF SHOWERS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 4 SECONDS AND E 2 FT AT 7 SECONDS. A SLIGHT CHANCE OF
TSTMS. A CHANCE OF SHOWERS.
SUN
SW WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT
8 SECONDS. A CHANCE OF SHOWERS.
SUN NIGHT
S WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: E 2 FT
AT 9 SECONDS AND SE 1 FOOT AT 12 SECONDS. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
MON
SW WINDS 5 TO 10 KT. SEAS 2 FT. WAVE DETAIL: SE 2 FT AT
5 SECONDS AND E 2 FT AT 9 SECONDS. A SLIGHT CHANCE OF TSTMS. A
CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS IN THE AFTERNOON.
MON NIGHT
W WINDS 10 KT, BECOMING N 20 TO 25 KT WITH GUSTS TO
30 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT, BUILDING TO 3 TO 4 FT AFTER
MIDNIGHT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND SE 2 FT AT
12 SECONDS, BECOMING N 3 FT AT 4 SECONDS AND SE 2 FT AT
5 SECONDS. A SLIGHT CHANCE OF TSTMS. SHOWERS.
TUE
NE WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. A SLIGHT CHANCE OF
SHOWERS.
TUE NIGHT
NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
WED
E WINDS 5 TO 10 KT. SEAS 4 TO 5 FT.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 4 TO 5 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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