935
FZUS52 KCHS 050939
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 AM EDT SUN APR 5 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
AMZ300-052300-
539 AM EDT SUN APR 5 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
A COLD FRONT WILL SWEEP THROUGH TONIGHT. HIGH PRESSURE WILL THEN
REBUILD, WITH SMALL CRAFT ADVISORIES OUTSIDE THE CHARLESTON
HARBOR DUE TO WINDS AND SEAS MONDAY AND TUESDAY.
AMZ330-052300-
CHARLESTON HARBOR-
539 AM EDT SUN APR 5 2026
TODAY
S WINDS 5 KT, BECOMING SW 10 TO 15 KT WITH GUSTS TO
20 KT LATE THIS MORNING. A SLIGHT CHANCE OF SHOWERS AND TSTMS
EARLY THIS AFTERNOON. A CHANCE OF SHOWERS AND TSTMS LATE.
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS IN THE EVENING, THEN A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS AFTER MIDNIGHT.
MON
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT.
MON NIGHT
NE WINDS 5 TO 10 KT.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT.
TUE NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, INCREASING
TO 15 TO 20 KT WITH GUSTS TO 30 KT AFTER MIDNIGHT. WAVES 1 TO
2 FT.
WED
NE WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.
WED NIGHT
NE WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A SLIGHT
CHANCE OF SHOWERS.
THU
NE WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF
SHOWERS.
THU NIGHT
NE WINDS 10 TO 15 KT. A SLIGHT CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 67 DEGREES.
AMZ350-052300-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
539 AM EDT SUN APR 5 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE
TUESDAY NIGHT...
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SE 4 FT AT 9 SECONDS. A SLIGHT CHANCE OF
SHOWERS THIS MORNING. A SLIGHT CHANCE OF SHOWERS AND TSTMS LATE.
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING NW 15 TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 9 SECONDS.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
NE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT AT 9 SECONDS AND N
4 FT AT 4 SECONDS. A SLIGHT CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO
5 FT, SUBSIDING TO 3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: NE 5 FT
AT 7 SECONDS, BECOMING E 4 FT AT 8 SECONDS.
TUE
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 8 SECONDS, BECOMING E 6 FT AT
8 SECONDS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT, INCREASING
TO 25 TO 30 KT WITH GUSTS TO 40 KT AFTER MIDNIGHT. SEAS 4 TO
6 FT, BUILDING TO 6 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: E 6 FT
AT 7 SECONDS, BECOMING E 8 FT AT 7 SECONDS.
WED
NE WINDS 30 TO 35 KT. SEAS 8 TO 10 FT. A SLIGHT CHANCE OF
SHOWERS.
WED NIGHT
NE WINDS 25 TO 30 KT. SEAS 8 TO 10 FT. A CHANCE OF
SHOWERS.
THU
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT. A CHANCE OF SHOWERS.
THU NIGHT
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT. A CHANCE OF
SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ352-052300-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 AM EDT SUN APR 5 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE
TUESDAY NIGHT...
TODAY
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT.
WAVE DETAIL: SE 4 FT AT 9 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
TSTMS LATE.
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING NW AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 9 SECONDS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS IN THE EVENING, THEN A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF TSTMS AFTER MIDNIGHT.
MON
NE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT, BUILDING TO 4 TO 6 FT IN THE
AFTERNOON. WAVE DETAIL: NE 4 FT AT 4 SECONDS AND E 4 FT AT
9 SECONDS, BECOMING E 5 FT AT 9 SECONDS AND NE 4 FT AT 4 SECONDS.
A CHANCE OF SHOWERS, MAINLY IN THE MORNING.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO
5 FT. WAVE DETAIL: E 5 FT AT 8 SECONDS.
TUE
NE WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: E 6 FT AT 8 SECONDS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT, INCREASING
TO 25 TO 30 KT WITH GUSTS TO 40 KT AFTER MIDNIGHT. SEAS 5 TO
7 FT, BUILDING TO 6 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: E 7 FT
AT 8 SECONDS, BECOMING E 8 FT AT 8 SECONDS. A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT.
WED
NE WINDS 30 KT. SEAS 7 TO 9 FT. A SLIGHT CHANCE OF
SHOWERS.
WED NIGHT
NE WINDS 25 TO 30 KT. SEAS 8 TO 10 FT. A CHANCE OF
SHOWERS.
THU
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT. A CHANCE OF SHOWERS.
THU NIGHT
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT. A CHANCE OF
SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ354-052300-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
539 AM EDT SUN APR 5 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
LATE TUESDAY NIGHT...
TODAY
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
4 FT AT 9 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS LATE.
TONIGHT
S WINDS 10 TO 15 KT, BECOMING NW AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 9 SECONDS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT.
MON
NE WINDS 20 TO 25 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT
AT 9 SECONDS AND NE 4 FT AT 4 SECONDS. A CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E
5 FT AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 4 TO 6 FT,
BUILDING TO 5 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: NE 6 FT AT
7 SECONDS, BECOMING E 6 FT AT 7 SECONDS. A SLIGHT CHANCE OF
SHOWERS.
TUE NIGHT
NE WINDS 25 TO 30 KT. SEAS 5 TO 7 FT, BUILDING TO
6 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: E 7 FT AT 8 SECONDS,
BECOMING E 8 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT.
WED
NE WINDS 30 KT. SEAS 7 TO 9 FT. A CHANCE OF SHOWERS.
WED NIGHT
NE WINDS 25 TO 30 KT. SEAS 8 TO 10 FT. A CHANCE OF
SHOWERS.
THU
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT. A CHANCE OF SHOWERS.
THU NIGHT
NE WINDS 20 TO 25 KT. SEAS 7 TO 9 FT. A CHANCE OF
SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ374-052300-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
539 AM EDT SUN APR 5 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
LATE TUESDAY NIGHT...
TODAY
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: SE
5 FT AT 9 SECONDS. A SLIGHT CHANCE OF SHOWERS EARLY THIS MORNING.
A SLIGHT CHANCE OF SHOWERS AND TSTMS LATE.
TONIGHT
S WINDS 10 TO 15 KT, BECOMING W AFTER MIDNIGHT. SEAS
4 TO 5 FT. WAVE DETAIL: SE 5 FT AT 9 SECONDS. A CHANCE OF SHOWERS
AND TSTMS.
MON
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 4 TO 6 FT,
BUILDING TO 5 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: SE 6 FT AT
9 SECONDS AND N 4 FT AT 4 SECONDS, BECOMING NE 7 FT AT 7 SECONDS.
A CHANCE OF SHOWERS.
MON NIGHT
NE WINDS 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO 7 FT.
WAVE DETAIL: NE 7 FT AT 7 SECONDS. A CHANCE OF SHOWERS.
TUE
NE WINDS 20 TO 25 KT, INCREASING TO 25 TO 30 KT IN THE
AFTERNOON. SEAS 6 TO 8 FT. WAVE DETAIL: NE 8 FT AT 8 SECONDS. A
CHANCE OF SHOWERS, MAINLY IN THE MORNING.
TUE NIGHT
NE WINDS 25 TO 30 KT WITH GUSTS TO 40 KT. SEAS 7 TO
9 FT, BUILDING TO 9 TO 11 FT AFTER MIDNIGHT. WAVE DETAIL: NE 9 FT
AT 8 SECONDS, BECOMING E 11 FT AT 9 SECONDS. A SLIGHT CHANCE OF
SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
WED
NE WINDS 30 KT. SEAS 9 TO 13 FT. A CHANCE OF SHOWERS.
WED NIGHT
E WINDS 25 TO 30 KT. SEAS 10 TO 13 FT. A CHANCE OF
SHOWERS.
THU
E WINDS 25 TO 30 KT. SEAS 10 TO 12 FT. A CHANCE OF
SHOWERS.
THU NIGHT
NE WINDS 25 TO 30 KT. SEAS 9 TO 12 FT. A CHANCE OF
SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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