501
FZUS52 KCHS 312140
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
440 PM EST SAT JAN 31 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
AMZ300-011100-
440 PM EST SAT JAN 31 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
LOW PRESSURE WILL DEVELOP OFF THE SOUTHEAST U.S. COAST TODAY AND
PULL AWAY FROM THE REGION TONIGHT. HIGH PRESSURE WILL THEN
REBUILD INTO THE AREA THROUGH THE MIDDLE OF NEXT WEEK.
AMZ330-011100-
CHARLESTON HARBOR-
440 PM EST SAT JAN 31 2026
..GALE WARNING IN EFFECT THROUGH SUNDAY MORNING
TONIGHT
NW WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT AFTER
MIDNIGHT. WAVES 2 TO 3 FT. SNOW SHOWERS EARLY THIS EVENING, THEN
A CHANCE OF SNOW SHOWERS LATE THIS EVENING. VSBY 1 NM OR LESS,
INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.
SUN
NW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. WAVES 1 TO 2 FT.
SUN NIGHT
NW WINDS 5 TO 10 KT.
MON
NW WINDS 5 KT.
MON NIGHT
W WINDS 5 KT.
TUE
W WINDS 5 KT.
TUE NIGHT
SW WINDS 5 TO 10 KT.
WED
SW WINDS 10 KT. A CHANCE OF SHOWERS.
WED NIGHT
W WINDS 5 TO 10 KT. SHOWERS LIKELY.
THU
N WINDS 10 TO 15 KT. A SLIGHT CHANCE OF SHOWERS.
THU NIGHT
N WINDS 5 TO 10 KT.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 49 DEGREES.
AMZ350-011100-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
440 PM EST SAT JAN 31 2026
..GALE WARNING IN EFFECT THROUGH SUNDAY MORNING
TONIGHT
NW WINDS 25 TO 30 KT, INCREASING TO 30 TO 35 KT AFTER
MIDNIGHT. SEAS 5 TO 7 FT, BUILDING TO 7 TO 9 FT AFTER MIDNIGHT.
WAVE DETAIL: NW 5 FT AT 4 SECONDS, BECOMING NW 7 FT AT 5 SECONDS.
SNOW SHOWERS WITH A SLIGHT CHANCE OF SHOWERS THIS EVENING, THEN
SNOW SHOWERS LIKELY AFTER MIDNIGHT. VSBY 1 NM OR LESS, INCREASING
TO 1 TO 3 NM AFTER MIDNIGHT.
SUN
NW WINDS 25 TO 30 KT WITH GUSTS TO 40 KT, DIMINISHING TO
20 TO 25 KT IN THE AFTERNOON. SEAS 6 TO 8 FT, SUBSIDING TO 5 TO
7 FT IN THE AFTERNOON. WAVE DETAIL: NW 6 FT AT 5 SECONDS,
BECOMING NW 5 FT AT 5 SECONDS.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO
6 FT, SUBSIDING TO 4 TO 5 FT AFTER MIDNIGHT. WAVE DETAIL: NW 4 FT
AT 4 SECONDS, BECOMING NW 3 FT AT 4 SECONDS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT, BECOMING W 5 TO
10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: W 2 FT AT
4 SECONDS AND N 2 FT AT 4 SECONDS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
1 FOOT AT 4 SECONDS.
TUE
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 1 FOOT
AT 3 SECONDS.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
WED
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
WED NIGHT
NW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. SHOWERS
LIKELY.
THU
N WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS.
THU NIGHT
N WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.
AMZ352-011100-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
440 PM EST SAT JAN 31 2026
..GALE WARNING IN EFFECT THROUGH SUNDAY MORNING
TONIGHT
NW WINDS 25 TO 30 KT WITH GUSTS TO 40 KT. SEAS 4 TO
6 FT, BUILDING TO 6 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: NW 6 FT
AT 5 SECONDS AND E 2 FT AT 5 SECONDS, BECOMING NW 7 FT AT
5 SECONDS. SNOW SHOWERS WITH A SLIGHT CHANCE OF SHOWERS EARLY
THIS EVENING, THEN A SLIGHT CHANCE OF SNOW SHOWERS LATE THIS
EVENING. A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. VSBY 1 TO 3 NM
EARLY THIS EVENING.
SUN
NW WINDS 25 TO 30 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT, SUBSIDING TO 4 TO 6 FT IN THE
AFTERNOON. WAVE DETAIL: NW 6 FT AT 5 SECONDS, BECOMING NW 4 FT AT
4 SECONDS.
SUN NIGHT
NW 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: NW 3 FT
AT 4 SECONDS.
MON
NW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT, SUBSIDING TO 2 TO 3 FT IN THE
AFTERNOON. WAVE DETAIL: NW 2 FT AT 4 SECONDS.
MON NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
TUE
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT.
TUE NIGHT
SW WINDS 10 KT, INCREASING TO 15 KT AFTER MIDNIGHT.
SEAS 2 TO 3 FT.
WED
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
WED NIGHT
W WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY.
THU
N WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS.
THU NIGHT
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
AMZ354-011100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
440 PM EST SAT JAN 31 2026
..GALE WARNING IN EFFECT THROUGH SUNDAY MORNING
TONIGHT
NW WINDS 30 TO 35 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NW
7 FT AT 5 SECONDS. SNOW SHOWERS LIKELY THIS EVENING. A SLIGHT
CHANCE OF FREEZING RAIN AND SNOW SHOWERS AFTER MIDNIGHT.
SUN
NW WINDS 25 TO 30 KT, DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT, SUBSIDING TO 4 TO 5 FT IN THE
AFTERNOON. WAVE DETAIL: NW 6 FT AT 5 SECONDS, BECOMING N 4 FT AT
5 SECONDS.
SUN NIGHT
NW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT, SUBSIDING TO
3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: N 3 FT AT 5 SECONDS,
BECOMING NW 3 FT AT 4 SECONDS.
MON
NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NW 3 FT
AT 3 SECONDS.
MON NIGHT
W WINDS 10 KT. SEAS 2 TO 3 FT.
TUE
W WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
WED
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
WED NIGHT
W WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY.
THU
N WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS.
THU NIGHT
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
AMZ374-011100-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
440 PM EST SAT JAN 31 2026
..GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON
TONIGHT
NW WINDS 30 TO 40 KT. SEAS 8 TO 10 FT, BUILDING TO
9 TO 11 FT AFTER MIDNIGHT. WAVE DETAIL: W 10 FT AT 7 SECONDS,
BECOMING NW 11 FT AT 7 SECONDS. RAIN AND SNOW SHOWERS LIKELY THIS
EVENING. A SLIGHT CHANCE OF TSTMS. A CHANCE OF SNOW SHOWERS WITH
A SLIGHT CHANCE OF FREEZING RAIN AFTER MIDNIGHT. VSBY 1 TO 3 NM
THIS EVENING.
SUN
NW WINDS 25 TO 30 KT WITH GUSTS TO 40 KT, DIMINISHING TO
20 TO 25 KT WITH GUSTS TO 30 KT IN THE AFTERNOON. SEAS 8 TO
10 FT, SUBSIDING TO 6 TO 8 FT IN THE AFTERNOON. WAVE DETAIL: NW
10 FT AT 7 SECONDS, BECOMING N 7 FT AT 6 SECONDS.
SUN NIGHT
NW 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: N 5 FT
AT 6 SECONDS, BECOMING NW 5 FT AT 5 SECONDS.
MON
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NW 4 FT
AT 5 SECONDS.
MON NIGHT
W WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
TUE
W WINDS 10 TO 15 KT, BECOMING SW 5 TO 10 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT, SUBSIDING TO 3 TO 4 FT IN THE
AFTERNOON.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS.
WED NIGHT
W WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY.
THU
N WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. A SLIGHT CHANCE OF
SHOWERS.
THU NIGHT
NW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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