076
FZUS52 KCHS 190620
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
220 AM 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
AMZ300-192030-
220 AM 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.
AMZ340-192030-
CHARLESTON HARBOR-
220 AM EDT MON OCT 19 2026
REST OF TONIGHT
N WINDS 15 KT WITH GUSTS TO 20 KT.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT.
MON NIGHT
N WINDS 10 TO 15 KT.
TUE
N WINDS 10 TO 15 KT.
TUE NIGHT
N WINDS 10 KT.
WED
N WINDS 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 74 DEGREES.
AMZ360-192030-
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
220 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS
6 TO 9 FT. WAVE DETAIL: NE 8 FT AT 8 SECONDS.
MON
N WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 6 TO 9 FT. WAVE DETAIL: NE 9 FT AT 12 SECONDS.
MON NIGHT
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 5 FT AT 12 SECONDS.
WED
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO 6 FT.
WAVE DETAIL: NE 5 FT AT 6 SECONDS AND E 3 FT AT 11 SECONDS.
WED NIGHT
N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
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.
AMZ362-192030-
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
220 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF TONIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS
6 TO 9 FT. WAVE DETAIL: NE 8 FT AT 8 SECONDS.
MON
NE WINDS 20 TO 25 KT, BECOMING N 15 TO 20 KT IN THE
AFTERNOON. SEAS 6 TO 9 FT, SUBSIDING TO 5 TO 8 FT IN THE
AFTERNOON. WAVE DETAIL: NE 8 FT AT 9 SECONDS, BECOMING NE 8 FT AT
12 SECONDS AND SE 1 FOOT AT 12 SECONDS.
MON NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO
7 FT. WAVE DETAIL: E 7 FT AT 12 SECONDS AND SE 1 FOOT AT
13 SECONDS.
TUE
N 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 6 FT AT 13 SECONDS AND SE 1 FOOT AT
9 SECONDS, BECOMING NE 6 FT AT 13 SECONDS.
TUE NIGHT
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 12 SECONDS, BECOMING NE 5 FT AT 12 SECONDS.
WED
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT, SUBSIDING TO 3 TO 5 FT IN THE
AFTERNOON. WAVE DETAIL: NE 5 FT AT 6 SECONDS AND E 5 FT AT 12
SECONDS, BECOMING NE 5 FT AT 7 SECONDS AND E 2 FT AT 12 SECONDS.
WED NIGHT
N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT, SUBSIDING TO
3 TO 4 FT AFTER MIDNIGHT.
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 15 TO 20 KT. SEAS 4 TO 5 FT.
FRI NIGHT
NE WINDS 25 TO 30 KT. SEAS 5 TO 7 FT.
AMZ364-192030-
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
220 AM EDT MON OCT 19 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON
REST OF TONIGHT
NE WINDS 25 KT WITH GUSTS TO 30 KT. SEAS 7 TO
9 FT. WAVE DETAIL: NE 9 FT AT 8 SECONDS AND E 2 FT AT 12 SECONDS.
MON
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 7 TO 9 FT,
SUBSIDING TO 6 TO 8 FT IN THE AFTERNOON. WAVE DETAIL: NE 9 FT AT
9 SECONDS AND E 2 FT AT 13 SECONDS, BECOMING NE 7 FT AT 9 SECONDS
AND E 6 FT AT 13 SECONDS.
MON NIGHT
N 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 13 SECONDS.
TUE NIGHT
NE WINDS 15 TO 20 KT. SEAS 5 TO 6 FT. WAVE DETAIL: E
5 FT AT 13 SECONDS.
WED
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NE 5 FT
AT 7 SECONDS AND E 5 FT AT 12 SECONDS, BECOMING NE 5 FT AT 7
SECONDS AND E 2 FT AT 12 SECONDS.
WED NIGHT
N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
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 6 TO 8 FT.
AMZ380-192030-
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
220 AM EDT MON OCT 19 2026
REST OF TONIGHT
NE WINDS 25 TO 30 KT. SEAS 10 TO 13 FT. WAVE
DETAIL: NE 13 FT AT 12 SECONDS.
MON
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 10 TO 13 FT,
SUBSIDING TO 9 TO 12 FT IN THE AFTERNOON. WAVE DETAIL: NE 12 FT
AT 12 SECONDS, BECOMING NE 11 FT AT 13 SECONDS.
MON NIGHT
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 10 FT, SUBSIDING TO 7 TO 9 FT IN THE
AFTERNOON. WAVE DETAIL: NE 9 FT AT 13 SECONDS, BECOMING 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 6 TO 8 FT.
WAVE DETAIL: NE 7 FT AT 11 SECONDS.
WED NIGHT
N WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 5 TO 7 FT.
THU
N WINDS 15 TO 20 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 SLIGHT
CHANCE OF SHOWERS.
AMZ382-192030-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
220 AM EDT MON OCT 19 2026
..GALE WARNING IN EFFECT UNTIL 5 AM EDT EARLY THIS MORNING
REST OF TONIGHT
NE WINDS 25 TO 30 KT WITH GUSTS TO 35 KT. SEAS
10 TO 12 FT. WAVE DETAIL: NE 11 FT AT 9 SECONDS.
MON
N WINDS 20 TO 25 KT. GUSTS TO 35 KT IN THE MORNING. SEAS
9 TO 12 FT, SUBSIDING TO 9 TO 11 FT IN THE AFTERNOON. WAVE
DETAIL: NE 11 FT AT 12 SECONDS AND NE 10 FT AT 8 SECONDS,
BECOMING NE 10 FT AT 12 SECONDS AND E 2 FT AT 13 SECONDS.
MON NIGHT
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 AND NE 6 FT AT
7 SECONDS.
WED
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 6 TO 7 FT,
SUBSIDING TO 5 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: NE 6 FT AT
7 SECONDS AND NE 4 FT AT 12 SECONDS, BECOMING NE 7 FT AT
11 SECONDS AND NE 6 FT AT 7 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.
THU
N WINDS 15 TO 20 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 SLIGHT
CHANCE OF SHOWERS.
AMZ384-192030-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
220 AM EDT MON OCT 19 2026
..GALE WARNING IN EFFECT UNTIL 5 AM EDT EARLY THIS MORNING
REST OF TONIGHT
NE WINDS 25 TO 30 KT WITH GUSTS TO 35 KT. SEAS
10 TO 12 FT. WAVE DETAIL: NE 11 FT AT 9 SECONDS AND E 4 FT AT 13
SECONDS.
MON
N WINDS 20 TO 25 KT. GUSTS TO 35 KT IN THE MORNING. SEAS
9 TO 12 FT, SUBSIDING TO 9 TO 11 FT IN THE AFTERNOON. WAVE
DETAIL: NE 11 FT AT 9 SECONDS AND E 4 FT AT 13 SECONDS, BECOMING
NE 10 FT AT 12 SECONDS AND E 4 FT AT 13 SECONDS.
MON NIGHT
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 13 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 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 8 FT AFTER MIDNIGHT. WAVE DETAIL: NE 7 FT
AT 13 SECONDS AND E 4 FT AT 13 SECONDS, BECOMING NE 6 FT AT
7 SECONDS AND NE 6 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 7 SECONDS AND NE 4 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.
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 30 KT. SEAS 8 TO 10 FT. A SLIGHT CHANCE OF
SHOWERS.
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