998
FZUS52 KCHS 102139
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
539 PM EDT TUE MAR 10 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
AMZ300-111100-
539 PM EDT TUE MAR 10 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
SURFACE HIGH PRESSURE WILL EXTEND ACROSS THE REGION THROUGH
WEDNESDAY. A COLD FRONT WILL ADVANCE ACROSS THE WATERS THURSDAY
FOLLOWED BY THE RETURN OF HIGH PRESSURE.
AMZ330-111100-
CHARLESTON HARBOR-
539 PM EDT TUE MAR 10 2026
TONIGHT
SW WINDS 5 TO 10 KT.
WED
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS TO
20 KT IN THE AFTERNOON.
WED NIGHT
SW WINDS 15 KT WITH GUSTS TO 25 KT.
THU
SW WINDS 15 KT, BECOMING W IN THE AFTERNOON. GUSTS TO
25 KT. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS WITH A
SLIGHT CHANCE OF TSTMS IN THE AFTERNOON.
THU NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT. SHOWERS, MAINLY IN THE EVENING.
FRI
E WINDS 10 TO 15 KT.
FRI NIGHT
SE WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT.
SAT
NE WINDS 5 TO 10 KT.
SAT NIGHT
E WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS AND
TSTMS.
SUN
SE WINDS 5 TO 10 KT. SHOWERS LIKELY WITH A SLIGHT CHANCE
OF TSTMS.
SUN NIGHT
S WINDS 10 TO 15 KT. SHOWERS LIKELY WITH A SLIGHT
CHANCE OF TSTMS.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 62 DEGREES.
AMZ350-111100-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
539 PM EDT TUE MAR 10 2026
TONIGHT
SW WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 9 SECONDS.
WED
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT
AT 5 SECONDS AND SE 3 FT AT 9 SECONDS.
WED NIGHT
SW 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: S 4 FT
AT 5 SECONDS AND SE 2 FT AT 9 SECONDS, BECOMING S 5 FT AT
6 SECONDS AND SE 2 FT AT 9 SECONDS.
THU
SW WINDS 20 KT, BECOMING W IN THE AFTERNOON. SEAS 5 TO
6 FT, SUBSIDING TO 4 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: S
5 FT AT 7 SECONDS AND SE 2 FT AT 9 SECONDS, BECOMING SW 5 FT AT
7 SECONDS AND SE 2 FT AT 9 SECONDS. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS WITH A SLIGHT CHANCE OF TSTMS IN THE
AFTERNOON.
THU NIGHT
NE 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: W 5 FT
AT 7 SECONDS AND E 5 FT AT 9 SECONDS, BECOMING NE 6 FT AT
6 SECONDS AND S 2 FT AT 7 SECONDS. SHOWERS, MAINLY IN THE
EVENING.
FRI
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT, DIMINISHING TO
10 TO 15 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: NE
6 FT AT 7 SECONDS.
FRI NIGHT
SE WINDS 5 KT, BECOMING W AFTER MIDNIGHT. SEAS 4 TO
5 FT, SUBSIDING TO 3 TO 4 FT AFTER MIDNIGHT.
SAT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
E WINDS 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
SUN
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY WITH
A SLIGHT CHANCE OF TSTMS.
SUN NIGHT
S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ352-111100-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
539 PM EDT TUE MAR 10 2026
TONIGHT
SW WINDS 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 9 SECONDS.
WED
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT
AT 4 SECONDS AND SE 3 FT AT 9 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO
4 FT, BUILDING TO 4 TO 5 FT AFTER MIDNIGHT. WAVE DETAIL: S 4 FT
AT 5 SECONDS AND SE 2 FT AT 9 SECONDS, BECOMING S 5 FT AT
6 SECONDS AND SE 2 FT AT 9 SECONDS.
THU
SW WINDS 15 TO 20 KT, BECOMING W IN THE AFTERNOON. SEAS
4 TO 5 FT. WAVE DETAIL: S 5 FT AT 6 SECONDS AND SE 2 FT AT
9 SECONDS. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS WITH
A SLIGHT CHANCE OF TSTMS IN THE AFTERNOON.
THU NIGHT
NE 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: NW 4 FT
AT 6 SECONDS AND E 4 FT AT 9 SECONDS, BECOMING NE 6 FT AT
6 SECONDS AND S 2 FT AT 6 SECONDS. SHOWERS, MAINLY IN THE
EVENING.
FRI
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 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: NE 6 FT AT 6 SECONDS,
BECOMING E 5 FT AT 8 SECONDS.
FRI NIGHT
E WINDS 5 KT, BECOMING N AFTER MIDNIGHT. SEAS 3 TO
4 FT.
SAT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
SUN
SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY WITH
A SLIGHT CHANCE OF TSTMS.
SUN NIGHT
S WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ354-111100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
539 PM EDT TUE MAR 10 2026
TONIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 9 SECONDS AND S 2 FT AT 3 SECONDS.
WED
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT WITH GUSTS TO
20 KT IN THE AFTERNOON. SEAS 3 FT. WAVE DETAIL: S 3 FT AT
4 SECONDS AND SE 3 FT AT 9 SECONDS.
WED NIGHT
S WINDS 15 TO 20 KT. SEAS 3 TO 4 FT, BUILDING TO
4 TO 5 FT AFTER MIDNIGHT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND SE
2 FT AT 9 SECONDS.
THU
SW WINDS 15 KT, BECOMING W IN THE AFTERNOON. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND SE 3 FT AT 9 SECONDS.
A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS WITH A SLIGHT
CHANCE OF TSTMS IN THE AFTERNOON.
THU NIGHT
NE 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 9 SECONDS AND NW 3 FT AT 3 SECONDS, BECOMING NE 6 FT AT
6 SECONDS. SHOWERS, MAINLY IN THE EVENING.
FRI
NE WINDS 20 TO 25 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: NE 6 FT AT 6 SECONDS, BECOMING E 5 FT AT
7 SECONDS.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SAT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS 3 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
SUN
SE WINDS 10 TO 15 KT. SEAS 3 FT. SHOWERS LIKELY WITH A
SLIGHT CHANCE OF TSTMS.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ374-111100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
539 PM EDT TUE MAR 10 2026
TONIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 4 SECONDS AND SE 3 FT AT 9 SECONDS.
WED
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 9 SECONDS AND S 3 FT AT 4 SECONDS.
WED NIGHT
S 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: S 4 FT
AT 5 SECONDS AND SE 3 FT AT 9 SECONDS, BECOMING S 5 FT AT
6 SECONDS AND SE 3 FT AT 9 SECONDS.
THU
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO 6 FT,
SUBSIDING TO 4 TO 5 FT IN THE AFTERNOON. WAVE DETAIL: S 5 FT AT
6 SECONDS AND SE 3 FT AT 9 SECONDS, BECOMING SW 4 FT AT 6 SECONDS
AND SE 3 FT AT 9 SECONDS. A CHANCE OF SHOWERS IN THE MORNING,
THEN SHOWERS WITH A SLIGHT CHANCE OF TSTMS IN THE AFTERNOON.
THU NIGHT
NE WINDS 25 TO 30 KT. SEAS 4 TO 6 FT, BUILDING TO
5 TO 7 FT AFTER MIDNIGHT. WAVE DETAIL: E 6 FT AT 9 SECONDS AND NW
5 FT AT 4 SECONDS, BECOMING NE 7 FT AT 6 SECONDS. SHOWERS, MAINLY
IN THE EVENING.
FRI
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT, BECOMING E 10 TO
15 KT WITH GUSTS TO 20 KT IN THE AFTERNOON. SEAS 6 TO 7 FT,
SUBSIDING TO 5 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: NE 7 FT AT
7 SECONDS, BECOMING NE 6 FT AT 8 SECONDS. A SLIGHT CHANCE OF
SHOWERS.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 4 TO 6 FT, SUBSIDING TO
4 TO 5 FT AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING.
SAT
NE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT.
SAT NIGHT
E WINDS 10 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS
AND TSTMS.
SUN
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY WITH
A SLIGHT CHANCE OF TSTMS.
SUN NIGHT
S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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