296
FZUS52 KCHS 180940
CWFCHS
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
440 AM EST WED FEB 18 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
AMZ300-182300-
440 AM EST WED FEB 18 2026
.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
HIGH PRESSURE CENTERED OVER THE WESTERN ATLANTIC WILL PROVIDE THE
MARINE ZONES WITH WARM AND HUMID CONDITIONS THROUGH THE REST OF
THE WEEK. A COLD FRONT IS EXPECTED TO MOVE THROUGH THIS WEEKEND.
AMZ330-182300-
CHARLESTON HARBOR-
440 AM EST WED FEB 18 2026
TODAY
SW WINDS 5 KT, INCREASING TO 10 TO 15 KT WITH GUSTS TO
20 KT LATE THIS MORNING.
TONIGHT
SW WINDS 10 KT, DIMINISHING TO 5 KT AFTER MIDNIGHT.
THU
SW WINDS 5 TO 10 KT. A CHANCE OF SHOWERS, MAINLY IN THE
MORNING.
THU NIGHT
SW WINDS 10 KT.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. A CHANCE OF
SHOWERS IN THE MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON.
FRI NIGHT
SW WINDS 5 TO 10 KT. A CHANCE OF SHOWERS. A SLIGHT
CHANCE OF TSTMS AFTER MIDNIGHT.
SAT
SW WINDS 5 TO 10 KT. SHOWERS LIKELY WITH A SLIGHT CHANCE
OF TSTMS.
SAT NIGHT
SW WINDS 5 TO 10 KT. SHOWERS LIKELY WITH A CHANCE OF
TSTMS.
SUN
W WINDS 10 TO 15 KT. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF TSTMS.
SUN NIGHT
NW WINDS 15 KT.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
UNLESS OTHERWISE NOTED, WAVES 1 FOOT OR LESS.
CHARLESTON HARBOR WATER TEMPERATURE 51 DEGREES.
AMZ350-182300-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
440 AM EST WED FEB 18 2026
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO
4 FT, BUILDING TO 4 TO 5 FT THIS AFTERNOON. WAVE DETAIL: SE 3 FT
AT 7 SECONDS AND E 3 FT AT 11 SECONDS, BECOMING S 4 FT AT
5 SECONDS AND E 2 FT AT 11 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT, SUBSIDING TO
3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND E
2 FT AT 11 SECONDS.
THU
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT.
WAVE DETAIL: S 4 FT AT 6 SECONDS AND E 2 FT AT 11 SECONDS. A
CHANCE OF SHOWERS, MAINLY IN THE MORNING. PATCHY FOG IN THE
AFTERNOON.
THU NIGHT
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. WAVE DETAIL: S
4 FT AT 6 SECONDS AND E 1 FOOT AT 12 SECONDS. PATCHY FOG. A
SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO 5 FT.
WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 1 FOOT AT 12 SECONDS. A
CHANCE OF SHOWERS. PATCHY FOG.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT, SUBSIDING TO
3 TO 4 FT AFTER MIDNIGHT. WAVE DETAIL: S 4 FT AT 6 SECONDS AND E
1 FOOT AT 12 SECONDS, BECOMING S 3 FT AT 6 SECONDS AND E 1 FOOT
AT 12 SECONDS. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF TSTMS
AFTER MIDNIGHT.
SAT
SW WINDS 10 TO 15 KT. SEAS 3 FT. SHOWERS LIKELY WITH A
SLIGHT CHANCE OF TSTMS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
SUN
W WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
SUN NIGHT
NW WINDS 20 TO 25 KT. SEAS 4 TO 5 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ352-182300-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
440 AM EST WED FEB 18 2026
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND E 3 FT AT 11 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 6 SECONDS AND E 2 FT AT 11 SECONDS.
THU
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT
AT 6 SECONDS AND E 2 FT AT 11 SECONDS. A CHANCE OF SHOWERS,
MAINLY IN THE MORNING. PATCHY FOG IN THE AFTERNOON.
THU NIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO 4 FT.
WAVE DETAIL: S 3 FT AT 5 SECONDS AND E 1 FOOT AT 13 SECONDS. A
SLIGHT CHANCE OF SHOWERS. PATCHY FOG.
FRI
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT
AT 5 SECONDS AND E 1 FOOT AT 13 SECONDS. A CHANCE OF SHOWERS IN
THE MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON. PATCHY FOG.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT, SUBSIDING TO
2 TO 3 FT AFTER MIDNIGHT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND SE
1 FOOT AT 8 SECONDS. A CHANCE OF SHOWERS.
SAT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
SUN
W WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS.
SUN NIGHT
NW WINDS 20 TO 25 KT. SEAS 4 TO 5 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ354-182300-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
440 AM EST WED FEB 18 2026
TODAY
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS AND E 3 FT AT 12 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
3 FT AT 6 SECONDS AND E 3 FT AT 11 SECONDS.
THU
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT
AT 5 SECONDS AND E 2 FT AT 11 SECONDS. A CHANCE OF SHOWERS,
MAINLY IN THE MORNING. PATCHY FOG IN THE AFTERNOON.
THU NIGHT
SW WINDS 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT
AT 5 SECONDS AND E 2 FT AT 12 SECONDS. PATCHY FOG. A SLIGHT
CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 FT. WAVE
DETAIL: S 3 FT AT 4 SECONDS AND E 1 FOOT AT 13 SECONDS. A CHANCE
OF SHOWERS. PATCHY FOG.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 5 SECONDS AND SE 1 FOOT AT 8 SECONDS. A CHANCE OF
SHOWERS, MAINLY IN THE EVENING.
SAT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
SUN
W WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
SUN NIGHT
NW WINDS 25 TO 30 KT. SEAS 4 TO 5 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
AMZ374-182300-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
440 AM EST WED FEB 18 2026
TODAY
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: E
4 FT AT 11 SECONDS AND SE 3 FT AT 7 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO
5 FT. WAVE DETAIL: S 3 FT AT 6 SECONDS AND E 3 FT AT 11 SECONDS.
THU
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT
AT 6 SECONDS AND E 3 FT AT 11 SECONDS. A CHANCE OF SHOWERS,
MAINLY IN THE MORNING.
THU NIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 4 FT. WAVE
DETAIL: S 4 FT AT 5 SECONDS AND E 2 FT AT 13 SECONDS. A SLIGHT
CHANCE OF SHOWERS AFTER MIDNIGHT.
FRI
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT
AT 5 SECONDS AND SE 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS.
FRI NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND E 2 FT AT 12 SECONDS.
A CHANCE OF SHOWERS, MAINLY IN THE EVENING.
SAT
SW WINDS 10 TO 15 KT. SEAS 3 FT. A CHANCE OF SHOWERS.
SAT NIGHT
SW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF TSTMS.
SUN
W WINDS 20 TO 25 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS.
SUN NIGHT
NW WINDS 25 TO 30 KT. SEAS 5 TO 7 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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