Coastal Waters Forecast
Issued by NWS Charleston, SC

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FZUS52 KCHS 231124
CWFCHS

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
724 AM EDT SUN APR 23 2017

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

AMZ300-240230-
724 AM EDT SUN APR 23 2017

.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
A LOW PRESSURE SYSTEM WILL AFFECT THE AREA TODAY THROUGH TUESDAY.
HIGH PRESSURE WILL THEN BUILD INTO THE AREA THROUGH THE WEEKEND.

$$

AMZ330-240230-
CHARLESTON HARBOR-
724 AM EDT SUN APR 23 2017

.TODAY...SW WINDS 10 TO 15 KT...BECOMING S 15 TO 20 KT THIS
AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
.TONIGHT...S WINDS 15 TO 20 KT. SHOWERS AND TSTMS LIKELY IN THE
EVENING...THEN SHOWERS WITH A SLIGHT CHANCE OF TSTMS AFTER MIDNIGHT.
LOCALLY HEAVY RAINFALL POSSIBLE AFTER MIDNIGHT.
.MON...SE WINDS 10 TO 15 KT. SHOWERS WITH A CHANCE OF TSTMS. LOCALLY
HEAVY RAINFALL POSSIBLE.
.MON NIGHT...W WINDS 5 TO 10 KT. SHOWERS WITH A CHANCE OF TSTMS IN
THE EVENING...THEN A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS
AFTER MIDNIGHT.
.TUE...W WINDS 10 KT. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
TSTMS IN THE MORNING...THEN A SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON.
.TUE NIGHT...W WINDS 5 TO 10 KT. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING.
.WED...SW WINDS 5 KT.
.WED NIGHT...S WINDS 5 KT.
.THU...S WINDS 5 TO 10 KT.
.THU NIGHT...S WINDS 5 TO 10 KT.

MARINERS ARE REMINDED THAT WINDS AND WAVES CAN BE HIGHER IN AND
NEAR TSTMS.

UNLESS OTHERWISE NOTED...WAVES 1 FOOT OR LESS.

CHARLESTON HARBOR WATER TEMPERATURE...74 DEGREES.

$$

AMZ350-240230-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
724 AM EDT SUN APR 23 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY
EVENING...

.TODAY...S WINDS 15 KT. SEAS 3 FT. A SLIGHT CHANCE OF SHOWERS AND
TSTMS.
.TONIGHT...S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO 4 FT...
BUILDING TO 4 TO 6 FT AFTER MIDNIGHT. A CHANCE OF SHOWERS AND TSTMS
IN THE EVENING...THEN SHOWERS WITH A SLIGHT CHANCE OF TSTMS AFTER
MIDNIGHT. LOCALLY HEAVY RAINFALL POSSIBLE AFTER MIDNIGHT.
.MON...S WINDS 15 TO 20 KT...BECOMING SE 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. SHOWERS WITH A CHANCE OF TSTMS. LOCALLY
HEAVY RAINFALL POSSIBLE.
.MON NIGHT...W WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF TSTMS.
.TUE...W WINDS 15 KT. SEAS 4 TO 5 FT...SUBSIDING TO 3 TO 4 FT IN THE
AFTERNOON. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS IN THE
MORNING...THEN A SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
.TUE NIGHT...W WINDS 10 TO 15 KT...DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF SHOWERS IN THE EVENING.
.WED...SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
.WED NIGHT...S WINDS 10 KT. SEAS 3 FT.
.THU...S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
.THU NIGHT...S WINDS 10 KT. SEAS 3 TO 4 FT.

MARINERS ARE REMINDED THAT WINDS AND SEAS CAN BE HIGHER IN AND
NEAR TSTMS.

$$

AMZ352-240230-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
724 AM EDT SUN APR 23 2017

.TODAY...S WINDS 15 KT. SEAS 3 FT.
.TONIGHT...S WINDS 15 TO 20 KT. SEAS 3 TO 4 FT...BUILDING TO 4 TO 5
FT AFTER MIDNIGHT. A CHANCE OF SHOWERS AND TSTMS IN THE
EVENING...THEN SHOWERS WITH A SLIGHT CHANCE OF TSTMS AFTER MIDNIGHT.
LOCALLY HEAVY RAINFALL POSSIBLE AFTER MIDNIGHT.
.MON...SW WINDS 15 KT...DIMINISHING TO 5 TO 10 KT IN THE AFTERNOON.
SEAS 4 TO 5 FT...SUBSIDING TO 3 TO 4 FT IN THE AFTERNOON. SHOWERS
WITH A SLIGHT CHANCE OF TSTMS...MAINLY IN THE MORNING. LOCALLY HEAVY
RAINFALL POSSIBLE IN THE MORNING.
.MON NIGHT...W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
TSTMS. A CHANCE OF SHOWERS.
.TUE...W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS IN
THE MORNING.
.TUE NIGHT...W WINDS 5 TO 10 KT. SEAS 2 FT.
.WED...SW WINDS 5 TO 10 KT. SEAS 2 FT.
.WED NIGHT...S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
.THU...S WINDS 5 TO 10 KT. SEAS 3 FT.
.THU NIGHT...S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.

MARINERS ARE REMINDED THAT WINDS AND SEAS CAN BE HIGHER IN AND
NEAR TSTMS.

$$

AMZ354-240230-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM...INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
724 AM EDT SUN APR 23 2017

.TODAY...S WINDS 15 KT. SEAS 2 TO 3 FT.
.TONIGHT...S WINDS 15 TO 20 KT. SEAS 3 TO 4 FT...BUILDING TO 4 TO 5
FT AFTER MIDNIGHT. A CHANCE OF SHOWERS. A CHANCE OF TSTMS...MAINLY IN
THE EVENING.
.MON...SW WINDS 10 TO 15 KT...BECOMING W 5 TO 10 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE
OF TSTMS.
.MON NIGHT...W WINDS 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS IN THE EVENING...THEN A SLIGHT CHANCE OF SHOWERS
AFTER MIDNIGHT.
.TUE...W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT...SUBSIDING TO 2 TO 3 FT
IN THE AFTERNOON. A SLIGHT CHANCE OF SHOWERS IN THE MORNING.
.TUE NIGHT...W WINDS 5 TO 10 KT. SEAS 2 FT.
.WED...S WINDS 5 TO 10 KT. SEAS 2 FT.
.WED NIGHT...S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
.THU...S WINDS 10 TO 15 KT. SEAS 2 FT.
.THU NIGHT...S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.

MARINERS ARE REMINDED THAT WINDS AND SEAS CAN BE HIGHER IN AND
NEAR TSTMS.

$$

AMZ374-240230-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
724 AM EDT SUN APR 23 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY
MORNING...

.TODAY...S WINDS 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF SHOWERS
AND TSTMS THIS MORNING.
.TONIGHT...S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO 6
FT. A CHANCE OF SHOWERS AND TSTMS IN THE EVENING...THEN SHOWERS
LIKELY WITH A SLIGHT CHANCE OF TSTMS AFTER MIDNIGHT.
.MON...SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY WITH A
SLIGHT CHANCE OF TSTMS...MAINLY IN THE MORNING.
.MON NIGHT...W WINDS 15 KT. SEAS 4 TO 6 FT. A CHANCE OF SHOWERS WITH
A SLIGHT CHANCE OF TSTMS IN THE EVENING...THEN A SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT.
.TUE...W WINDS 15 KT. SEAS 4 TO 6 FT...SUBSIDING TO 3 TO 4 FT IN THE
AFTERNOON. A SLIGHT CHANCE OF SHOWERS IN THE MORNING.
.TUE NIGHT...W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
.WED...SW WINDS 5 TO 10 KT. SEAS 3 FT.
.WED NIGHT...S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.THU...S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
.THU NIGHT...S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.

MARINERS ARE REMINDED THAT WINDS AND SEAS CAN BE HIGHER IN AND
NEAR TSTMS.

$$



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