858
FZUS52 KCHS 190939
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 AM EDT SUN APR 19 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-192300-
539 AM EDT SUN APR 19 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
A STRONG COLD FRONT WILL PUSH ACROSS THE WATERS THIS AFTERNOON
AND EVENING. A PERIOD OF HAZARDOUS WINDS AND SEAS FOR SMALL CRAFT
IS EXPECTED ACROSS THE GEORGIA OUTER WATERS THIS AFTERNOON
THROUGH MONDAY AFTERNOON. IMPROVING CONDITIONS ARRIVE MONDAY
AFTERNOON AS HIGH PRESSURE QUICKLY RETURNS AND LINGERS THROUGH
MUCH OF THE WORK WEEK.
AMZ340-192300-
CHARLESTON HARBOR-
539 AM EDT SUN APR 19 2026
TODAY
SW WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT WITH GUSTS
TO 20 KT THIS AFTERNOON. A CHANCE OF SHOWERS LATE.
TONIGHT
N WINDS 10 TO 15 KT.
MON
NE WINDS 10 KT, BECOMING E IN THE AFTERNOON.
MON NIGHT
S WINDS 5 KT, BECOMING NW AFTER MIDNIGHT.
TUE
NE WINDS 10 KT.
TUE NIGHT
SE WINDS 5 TO 10 KT.
WED
S WINDS 5 TO 10 KT.
WED NIGHT
SW WINDS 5 TO 10 KT.
THU
SW WINDS 5 TO 10 KT.
THU NIGHT
SW WINDS 5 TO 10 KT.
AMZ360-192300-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
539 AM EDT SUN APR 19 2026
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING W
WITH GUSTS TO 20 KT EARLY THIS AFTERNOON, THEN BECOMING N 15 TO
20 KT LATE. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND
E 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS LATE.
TONIGHT
N WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: N
4 FT AT 5 SECONDS.
MON
NE WINDS 15 TO 20 KT, BECOMING E 5 TO 10 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT AT 6 SECONDS.
MON NIGHT
S WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT WITH
GUSTS TO 20 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 8 SECONDS.
TUE
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT AT 7 SECONDS.
TUE NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 6 SECONDS.
WED
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
THU
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
THU NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 FT.
AMZ362-192300-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 AM EDT SUN APR 19 2026
TODAY
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING N
15 TO 20 KT LATE. SEAS 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS
AND S 2 FT AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS LATE.
TONIGHT
N WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: N
4 FT AT 4 SECONDS.
MON
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT, BECOMING E 10 TO
15 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT AT
6 SECONDS.
MON NIGHT
S WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS.
TUE
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT AT 8 SECONDS.
TUE NIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT, SUBSIDING TO
2 TO 3 FT AFTER MIDNIGHT. WAVE DETAIL: E 4 FT AT 7 SECONDS,
BECOMING E 3 FT AT 7 SECONDS.
WED
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
WED NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
THU
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
AMZ364-192300-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
539 AM EDT SUN APR 19 2026
TODAY
W WINDS 10 KT, BECOMING N WITH GUSTS TO 20 KT LATE. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND S 2 FT AT
4 SECONDS.
TONIGHT
N WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E
4 FT AT 8 SECONDS AND N 3 FT AT 3 SECONDS.
MON
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT, SUBSIDING TO 3 TO 4 FT IN THE
AFTERNOON. WAVE DETAIL: NE 4 FT AT 6 SECONDS, BECOMING NE 4 FT AT
7 SECONDS.
MON NIGHT
SE WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS.
TUE
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT
AT 8 SECONDS.
TUE NIGHT
E WINDS 10 KT, BECOMING SE AFTER MIDNIGHT. SEAS 3 TO
4 FT. WAVE DETAIL: NE 4 FT AT 8 SECONDS.
WED
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
WED NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
THU
SW WINDS 5 TO 10 KT. SEAS 2 FT.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
AMZ380-192300-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
539 AM EDT SUN APR 19 2026
TODAY
SW WINDS 15 TO 20 KT, BECOMING N LATE. SEAS 3 TO 4 FT.
WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS. A
SLIGHT CHANCE OF SHOWERS LATE.
TONIGHT
N WINDS 20 TO 25 KT. SEAS 4 TO 5 FT, BUILDING TO 4 TO
6 FT AFTER MIDNIGHT. WAVE DETAIL: NE 5 FT AT 8 SECONDS AND NW
4 FT AT 5 SECONDS, BECOMING NE 6 FT AT 6 SECONDS. A CHANCE OF
SHOWERS IN THE EVENING.
MON
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT, SUBSIDING TO 4 TO 6 FT IN THE
AFTERNOON. WAVE DETAIL: NE 7 FT AT 8 SECONDS, BECOMING NE 6 FT AT
8 SECONDS.
MON NIGHT
S WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT WITH
GUSTS TO 20 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT, SUBSIDING TO 3 TO
4 FT AFTER MIDNIGHT. WAVE DETAIL: E 5 FT AT 8 SECONDS, BECOMING E
4 FT AT 8 SECONDS.
TUE
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: NE 5 FT AT 7 SECONDS.
TUE NIGHT
E WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: NE 4 FT AT 7 SECONDS.
WED
S WINDS 5 TO 10 KT. SEAS 3 FT.
WED NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 FT.
THU
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT.
THU NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
AMZ382-192300-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT SUN APR 19 2026
TODAY
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING NW
15 TO 20 KT LATE. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT
4 SECONDS AND SE 3 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS
LATE.
TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 4 TO
5 FT, BUILDING TO 4 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: E 5 FT
AT 8 SECONDS AND NW 4 FT AT 4 SECONDS, BECOMING NE 6 FT AT
6 SECONDS. A SLIGHT CHANCE OF SHOWERS IN THE EVENING.
MON
NE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT, SUBSIDING TO 4 TO 6 FT IN THE
AFTERNOON. WAVE DETAIL: NE 6 FT AT 7 SECONDS, BECOMING NE 6 FT AT
8 SECONDS.
MON NIGHT
SE WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: NE 5 FT AT 8 SECONDS.
TUE
NE WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. WAVE DETAIL: NE 5 FT
AT 8 SECONDS.
TUE NIGHT
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE
4 FT AT 7 SECONDS.
WED
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
WED NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
THU
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
AMZ384-192300-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
539 AM EDT SUN APR 19 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY AFTERNOON...
TODAY
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING NW
WITH GUSTS TO 20 KT LATE. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT
4 SECONDS AND SE 3 FT AT 8 SECONDS.
TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO
5 FT, BUILDING TO 4 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: E 5 FT
AT 8 SECONDS AND N 3 FT AT 4 SECONDS, BECOMING NE 6 FT AT
6 SECONDS.
MON
NE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 5 TO 6 FT, SUBSIDING TO 4 TO 6 FT IN THE
AFTERNOON. WAVE DETAIL: NE 6 FT AT 6 SECONDS, BECOMING NE 6 FT AT
8 SECONDS.
MON NIGHT
E WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
4 TO 5 FT. WAVE DETAIL: NE 5 FT AT 8 SECONDS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO 5 FT.
WAVE DETAIL: NE 5 FT AT 8 SECONDS.
TUE NIGHT
E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE
4 FT AT 8 SECONDS.
WED
SE WINDS 5 KT. SEAS 3 FT.
WED NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
THU
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
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