397
FZUS52 KCHS 191824
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
224 PM EDT MON OCT 19 2026
SOUTH SANTEE RIVER SC TO ALTAMAHA SOUND GA OUT 60 NM, INCLUDING
CHARLESTON HARBOR AND GRAYS REEF NATIONAL MARINE SANCTUARY
AMZ300-200800-
224 PM EDT MON OCT 19 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
HIGH PRESSURE WILL EXTEND ACROSS THE REGION THIS WEEK AS A
POWERFUL NOR'EASTER MEANDERS OFF THE MID-ATLANTIC COAST. THIS
WILL KEEP ELEVATED WINDS AND SEAS IN PLACE FOR THE NEXT SEVERAL
DAYS.
AMZ340-200800-
CHARLESTON HARBOR-
224 PM EDT MON OCT 19 2026
THIS AFTERNOON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT.
TONIGHT
N WINDS 10 KT.
TUE
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT.
TUE NIGHT
N WINDS 5 TO 10 KT.
WED
N WINDS 5 TO 10 KT.
WED NIGHT
N WINDS 5 TO 10 KT.
THU
N WINDS 5 TO 10 KT.
THU NIGHT
NE WINDS 5 TO 10 KT.
FRI
NE WINDS 10 TO 15 KT.
FRI NIGHT
NE WINDS 10 TO 15 KT.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 72 DEGREES.
AMZ360-200800-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
224 PM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
THIS AFTERNOON
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS
6 TO 8 FT. WAVE DETAIL: NE 8 FT AT 13 SECONDS.
TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 6 TO
8 FT, SUBSIDING TO 5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: E 7 FT
AT 13 SECONDS.
TUE
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO 7 FT.
WAVE DETAIL: NE 7 FT AT 13 SECONDS.
TUE NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: NE 6 FT AT 12 SECONDS.
WED
N WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E 3 FT
AT 11 SECONDS.
WED NIGHT
N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E
5 FT AT 11 SECONDS.
THU
N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI
NE WINDS 20 TO 25 KT. SEAS 4 TO 5 FT.
FRI NIGHT
NE WINDS 25 TO 30 KT. SEAS 5 TO 7 FT.
AMZ362-200800-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
224 PM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
THIS AFTERNOON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS
6 TO 8 FT. WAVE DETAIL: E 7 FT AT 12 SECONDS AND SE 1 FOOT AT
13 SECONDS.
TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO
7 FT. WAVE DETAIL: E 7 FT AT 13 SECONDS AND SE 1 FOOT AT
13 SECONDS.
TUE
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO 7 FT,
SUBSIDING TO 4 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: NE 6 FT AT
13 SECONDS AND SE 1 FOOT AT 10 SECONDS, BECOMING NE 6 FT AT
13 SECONDS.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: E 5 FT AT 12 SECONDS.
WED
NE WINDS 15 TO 20 KT, BECOMING N 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT, SUBSIDING TO 4 TO 5 FT IN THE
AFTERNOON. WAVE DETAIL: E 5 FT AT 12 SECONDS, BECOMING E 2 FT AT
11 SECONDS.
WED NIGHT
N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E
4 FT AT 11 SECONDS.
THU
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI
NE WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.
FRI NIGHT
NE WINDS 25 TO 30 KT. SEAS 6 TO 8 FT.
AMZ364-200800-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
224 PM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
THIS AFTERNOON
N WINDS 15 TO 20 KT. SEAS 6 TO 8 FT. WAVE
DETAIL: E 6 FT AT 13 SECONDS.
TONIGHT
NE WINDS 15 TO 20 KT. SEAS 6 TO 7 FT. WAVE DETAIL: E
7 FT AT 13 SECONDS.
TUE
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO 7 FT.
WAVE DETAIL: NE 6 FT AT 13 SECONDS AND E 2 FT AT 14 SECONDS.
TUE NIGHT
NE WINDS 15 TO 20 KT. SEAS 5 TO 6 FT. WAVE DETAIL: E
6 FT AT 12 SECONDS.
WED
NE WINDS 15 TO 20 KT. SEAS 5 TO 6 FT, SUBSIDING TO 4 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: E 5 FT AT 12 SECONDS,
BECOMING E 2 FT AT 12 SECONDS.
WED NIGHT
N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: NE
4 FT AT 11 SECONDS AND E 2 FT AT 11 SECONDS.
THU
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
FRI
NE WINDS 25 TO 30 KT. SEAS 5 TO 7 FT.
FRI NIGHT
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT.
AMZ380-200800-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
224 PM EDT MON OCT 19 2026
THIS AFTERNOON
N WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. WAVE
DETAIL: NE 11 FT AT 13 SECONDS.
TONIGHT
N WINDS 20 KT WITH GUSTS TO 25 KT. SEAS 9 TO 11 FT,
SUBSIDING TO 8 TO 10 FT AFTER MIDNIGHT. WAVE DETAIL: NE 10 FT AT
13 SECONDS.
TUE
N WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 8 TO 9 FT, SUBSIDING TO 7 TO 9 FT IN THE
AFTERNOON. WAVE DETAIL: NE 9 FT AT 12 SECONDS.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 6 TO
8 FT. WAVE DETAIL: NE 8 FT AT 12 SECONDS.
WED
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 7 TO 8 FT,
SUBSIDING TO 6 TO 8 FT IN THE AFTERNOON. WAVE DETAIL: NE 8 FT AT
11 SECONDS.
WED NIGHT
N WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 6 TO 7 FT,
SUBSIDING TO 5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: NE 7 FT AT
11 SECONDS.
THU
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
NE WINDS 20 TO 25 KT. SEAS 5 TO 7 FT.
FRI NIGHT
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT. A CHANCE OF
SHOWERS.
AMZ382-200800-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
224 PM EDT MON OCT 19 2026
THIS AFTERNOON
N WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. WAVE
DETAIL: NE 10 FT AT 12 SECONDS AND E 2 FT AT 13 SECONDS.
TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 8 TO
10 FT, SUBSIDING TO 7 TO 9 FT AFTER MIDNIGHT. WAVE DETAIL: NE
9 FT AT 13 SECONDS AND E 2 FT AT 13 SECONDS, BECOMING NE 9 FT AT
13 SECONDS AND E 2 FT AT 12 SECONDS.
TUE
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 7 TO 9 FT.
WAVE DETAIL: NE 8 FT AT 13 SECONDS.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 6 TO
8 FT, SUBSIDING TO 6 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: NE 8 FT
AT 12 SECONDS, BECOMING NE 7 FT AT 12 SECONDS.
WED
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 6 TO 7 FT.
WAVE DETAIL: NE 7 FT AT 12 SECONDS.
WED NIGHT
N WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 5 TO 7 FT,
SUBSIDING TO 5 TO 6 FT AFTER MIDNIGHT. WAVE DETAIL: NE 7 FT AT
11 SECONDS AND E 1 FOOT AT 9 SECONDS, BECOMING NE 6 FT AT
11 SECONDS AND SE 1 FOOT AT 9 SECONDS.
THU
N WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
NE WINDS 20 TO 25 KT. SEAS 5 TO 7 FT.
FRI NIGHT
NE WINDS 25 TO 30 KT. SEAS 8 TO 10 FT. A CHANCE OF
SHOWERS.
AMZ384-200800-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
224 PM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE FRIDAY NIGHT
THIS AFTERNOON
N WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. WAVE
DETAIL: NE 9 FT AT 12 SECONDS AND E 4 FT AT 13 SECONDS.
TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 8 TO
10 FT, SUBSIDING TO 8 TO 9 FT AFTER MIDNIGHT. WAVE DETAIL: NE
9 FT AT 12 SECONDS AND E 4 FT AT 13 SECONDS, BECOMING NE 8 FT AT
13 SECONDS AND E 4 FT AT 14 SECONDS.
TUE
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 8 TO 9 FT,
SUBSIDING TO 7 TO 9 FT IN THE AFTERNOON. WAVE DETAIL: NE 8 FT AT
13 SECONDS AND E 4 FT AT 13 SECONDS.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 7 TO
8 FT, SUBSIDING TO 6 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: NE 7 FT
AT 12 SECONDS AND E 4 FT AT 13 SECONDS, BECOMING NE 6 FT AT
12 SECONDS AND E 3 FT AT 12 SECONDS.
WED
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 6 TO 7 FT.
WAVE DETAIL: NE 6 FT AT 12 SECONDS AND E 3 FT AT 12 SECONDS.
WED NIGHT
N WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NE
6 FT AT 11 SECONDS AND E 3 FT AT 11 SECONDS.
THU
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
FRI
NE WINDS 25 TO 30 KT. SEAS 6 TO 8 FT.
FRI NIGHT
NE WINDS 25 TO 30 KT. SEAS 8 TO 10 FT. A CHANCE OF
SHOWERS.
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