378
FZUS52 KCHS 231844
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
244 PM EDT MON MAR 23 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
AMZ300-240800-
244 PM EDT MON MAR 23 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
A BACKDOOR COLD FRONT WILL DROP THROUGH THE AREA THIS EVENING,
FOLLOWED BY THE RETURN OF HIGH PRESSURE THROUGH THE END OF THE
WEEK.
AMZ330-240800-
CHARLESTON HARBOR-
244 PM EDT MON MAR 23 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT TUESDAY THROUGH
TUESDAY EVENING...
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING N WITH GUSTS TO 20 KT
LATE THIS EVENING, THEN INCREASING TO 15 KT WITH GUSTS TO 25 KT
AFTER MIDNIGHT, BECOMING NE WITH GUSTS TO 25 KT LATE. WAVES 1 TO
2 FT. A SLIGHT CHANCE OF SHOWERS AND TSTMS EARLY THIS EVENING,
THEN A CHANCE OF SHOWERS AND TSTMS LATE THIS EVENING.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS TO 35 KT. WAVES 1 TO 2 FT.
TUE NIGHT
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. WAVES 1 TO 2 FT.
WED
NE WINDS 10 KT WITH GUSTS TO 20 KT. A SLIGHT CHANCE OF
SHOWERS.
WED NIGHT
NE WINDS 5 TO 10 KT.
THU
VARIABLE WINDS 5 KT.
THU NIGHT
S WINDS 5 KT.
FRI
SW WINDS 5 TO 10 KT.
FRI NIGHT
SW WINDS 10 TO 15 KT.
SAT
NE WINDS 15 KT.
SAT NIGHT
NE WINDS 10 TO 15 KT.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 61 DEGREES.
AMZ350-240800-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
244 PM EDT MON MAR 23 2026
...GALE WARNING IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH
TUESDAY EVENING...
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING N
15 TO 20 KT WITH GUSTS TO 25 KT LATE THIS EVENING, THEN BECOMING
NE 20 TO 25 KT WITH GUSTS TO 30 KT AFTER MIDNIGHT, INCREASING TO
25 TO 30 KT LATE. SEAS 3 TO 4 FT, BUILDING TO 4 TO 5 FT AFTER
MIDNIGHT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND E 1 FOOT AT
9 SECONDS, BECOMING NE 5 FT AT 9 SECONDS AND SW 3 FT AT
5 SECONDS. A SLIGHT CHANCE OF SHOWERS AND TSTMS EARLY THIS
EVENING, THEN A CHANCE OF SHOWERS AND TSTMS LATE THIS EVENING.
TUE
NE WINDS 25 TO 30 KT. SEAS 6 TO 8 FT, BUILDING TO 7 TO
9 FT IN THE AFTERNOON. WAVE DETAIL: NE 8 FT AT 7 SECONDS AND S
1 FOOT AT 5 SECONDS, BECOMING E 9 FT AT 8 SECONDS.
TUE NIGHT
NE WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. SEAS 6 TO 8 FT, SUBSIDING TO 5 TO 7 FT AFTER
MIDNIGHT. WAVE DETAIL: E 8 FT AT 8 SECONDS, BECOMING E 7 FT AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
WED
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT, SUBSIDING TO 4 TO 5 FT IN THE
AFTERNOON. WAVE DETAIL: E 6 FT AT 8 SECONDS, BECOMING E 5 FT AT
8 SECONDS. A SLIGHT CHANCE OF SHOWERS.
WED NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO 5 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS.
THU
NE WINDS 5 KT, BECOMING SE IN THE AFTERNOON. SEAS 2 TO
3 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
FRI
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
FRI NIGHT
SW WINDS 20 TO 25 KT. SEAS 3 TO 4 FT. A SLIGHT
CHANCE OF SHOWERS.
SAT
NE WINDS 25 TO 30 KT. SEAS 5 TO 7 FT. A SLIGHT CHANCE OF
SHOWERS.
SAT NIGHT
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT. A SLIGHT
CHANCE OF SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ352-240800-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
244 PM EDT MON MAR 23 2026
...GALE WARNING IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH
TUESDAY EVENING...
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING NW
WITH GUSTS TO 20 KT LATE THIS EVENING, THEN BECOMING NE 20 TO
25 KT WITH GUSTS TO 30 KT AFTER MIDNIGHT, INCREASING TO 25 TO
30 KT LATE. SEAS 2 TO 3 FT, BUILDING TO 3 TO 4 FT AFTER MIDNIGHT.
WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E 1 FOOT AT 9 SECONDS,
BECOMING NE 4 FT AT 9 SECONDS AND SW 2 FT AT 5 SECONDS. A SLIGHT
CHANCE OF SHOWERS AND TSTMS EARLY THIS EVENING, THEN A CHANCE OF
SHOWERS AND TSTMS LATE THIS EVENING.
TUE
NE WINDS 25 TO 30 KT. SEAS 5 TO 7 FT, BUILDING TO 7 TO
9 FT IN THE AFTERNOON. WAVE DETAIL: NE 7 FT AT 6 SECONDS AND S
1 FOOT AT 5 SECONDS, BECOMING E 9 FT AT 8 SECONDS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 7 TO
9 FT, SUBSIDING TO 6 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: E 9 FT
AT 8 SECONDS, BECOMING E 8 FT AT 9 SECONDS. A SLIGHT CHANCE OF
SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
WED
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT, SUBSIDING TO 4 TO
5 FT IN THE AFTERNOON. WAVE DETAIL: E 6 FT AT 8 SECONDS, BECOMING
E 5 FT AT 8 SECONDS. A CHANCE OF SHOWERS, MAINLY IN THE MORNING.
WED NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 7 SECONDS.
THU
E WINDS 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT
7 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
FRI
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
FRI NIGHT
SW WINDS 20 TO 25 KT. SEAS 3 TO 4 FT.
SAT
NE WINDS 25 TO 30 KT. SEAS 5 TO 7 FT.
SAT NIGHT
NE WINDS 25 TO 30 KT. SEAS 6 TO 8 FT. A SLIGHT
CHANCE OF SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ354-240800-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
244 PM EDT MON MAR 23 2026
...GALE WARNING IN EFFECT FROM 2 AM EDT TUESDAY THROUGH TUESDAY
EVENING...
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING NW LATE THIS EVENING,
THEN BECOMING NE 20 TO 25 KT WITH GUSTS TO 30 KT AFTER MIDNIGHT,
INCREASING TO 25 TO 30 KT LATE. SEAS 2 TO 3 FT, BUILDING TO 3 TO
4 FT AFTER MIDNIGHT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 2 FT
AT 9 SECONDS, BECOMING NE 4 FT AT 9 SECONDS AND SW 2 FT AT
5 SECONDS. A CHANCE OF SHOWERS AND TSTMS LATE THIS EVENING. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS AFTER MIDNIGHT.
TUE
NE WINDS 25 TO 30 KT. SEAS 5 TO 7 FT, BUILDING TO 7 TO
9 FT IN THE AFTERNOON. WAVE DETAIL: NE 7 FT AT 6 SECONDS AND S
1 FOOT AT 5 SECONDS, BECOMING E 9 FT AT 7 SECONDS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 7 TO
9 FT, SUBSIDING TO 6 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: E 9 FT
AT 8 SECONDS, BECOMING E 8 FT AT 9 SECONDS. A CHANCE OF SHOWERS.
WED
NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT, SUBSIDING TO 4 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: E 7 FT AT 9 SECONDS, BECOMING
E 6 FT AT 8 SECONDS. A CHANCE OF SHOWERS.
WED NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 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
7 SECONDS.
THU
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT
AT 7 SECONDS.
THU NIGHT
SE WINDS 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. SEAS
2 TO 3 FT.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
FRI NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.
SAT
NE WINDS 25 TO 30 KT. SEAS 4 TO 6 FT.
SAT NIGHT
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT. A SLIGHT
CHANCE OF SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ374-240800-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
244 PM EDT MON MAR 23 2026
...GALE WARNING IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH
LATE TUESDAY NIGHT...
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING N
20 TO 25 KT WITH GUSTS TO 35 KT AFTER MIDNIGHT, THEN BECOMING NE
25 TO 30 KT LATE. SEAS 3 TO 4 FT, BUILDING TO 4 TO 5 FT AFTER
MIDNIGHT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E 2 FT AT
9 SECONDS, BECOMING NE 5 FT AT 9 SECONDS AND SW 3 FT AT
5 SECONDS. A CHANCE OF SHOWERS AND TSTMS LATE THIS EVENING.
TUE
NE WINDS 25 TO 30 KT. SEAS 7 TO 9 FT, BUILDING TO 9 TO
11 FT IN THE AFTERNOON. WAVE DETAIL: NE 9 FT AT 7 SECONDS AND S
1 FOOT AT 5 SECONDS, BECOMING NE 11 FT AT 8 SECONDS. A SLIGHT
CHANCE OF SHOWERS IN THE AFTERNOON.
TUE NIGHT
NE WINDS 25 TO 30 KT, DIMINISHING TO 15 TO 20 KT
WITH GUSTS TO 25 KT AFTER MIDNIGHT. SEAS 9 TO 10 FT, SUBSIDING TO
7 TO 9 FT AFTER MIDNIGHT. WAVE DETAIL: NE 10 FT AT 9 SECONDS,
BECOMING E 9 FT AT 9 SECONDS. A CHANCE OF SHOWERS.
WED
NE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT, SUBSIDING TO 5 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: E 8 FT AT 9 SECONDS, BECOMING
E 6 FT AT 8 SECONDS. A CHANCE OF SHOWERS.
WED NIGHT
NE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E
5 FT AT 8 SECONDS. A SLIGHT CHANCE OF SHOWERS IN THE EVENING.
THU
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT
AT 8 SECONDS.
THU NIGHT
SE WINDS 5 KT, BECOMING S AFTER MIDNIGHT. SEAS 3 FT.
FRI
SW WINDS 5 TO 10 KT. SEAS 3 FT.
FRI NIGHT
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT.
SAT
N WINDS 25 TO 30 KT. SEAS 6 TO 8 FT.
SAT NIGHT
NE WINDS 25 TO 30 KT. SEAS 9 TO 11 FT. A SLIGHT
CHANCE OF SHOWERS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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