Coastal Waters Forecast
Issued by NWS Charleston, SC

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FZUS52 KCHS 301341
CWFCHS

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
941 AM EDT SUN APR 30 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

AMZ300-010445-
941 AM EDT SUN APR 30 2017

.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
ATLANTIC HIGH PRESSURE WILL GIVE WAY TO A COLD FRONT WHICH WILL MOVE
THROUGH MONDAY NIGHT INTO TUESDAY. HIGH PRESSURE WILL THEN BRING DRY
WEATHER THROUGH WEDNESDAY NIGHT BEFORE RAIN CHANCES RETURN LATE IN
THE WEEK AS A STRONGER STORM SYSTEM AFFECTS THE AREA. DRIER HIGH
PRESSURE SHOULD THEN RETURN BY THE END OF THE WEEKEND.

$$

AMZ330-010445-
CHARLESTON HARBOR-
941 AM EDT SUN APR 30 2017

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

.TODAY...S WINDS 5 TO 10 KT...INCREASING TO 15 KT THIS AFTERNOON.
.TONIGHT...S WINDS 15 KT.
.MON...S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 1 TO 2 FT. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
.MON NIGHT...S WINDS 15 TO 20 KT...BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
.TUE...W WINDS 5 TO 10 KT...BECOMING SW IN THE AFTERNOON. A CHANCE
OF SHOWERS IN THE MORNING.
.TUE NIGHT...SW WINDS 5 TO 10 KT.
.WED...NE WINDS 5 KT.
.WED NIGHT...SE WINDS 5 KT. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
.THU...S WINDS 10 TO 15 KT. A CHANCE OF SHOWERS AND THUNDERSTORMS.
.THU NIGHT...S WINDS 10 TO 15 KT. SHOWERS AND THUNDERSTORMS LIKELY.

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...76 DEGREES.

$$

AMZ350-010445-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
941 AM EDT SUN APR 30 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING...

.TODAY...S WINDS 10 TO 15 KT...INCREASING TO 15 KT. SEAS 2 TO 3
FT...BUILDING TO 3 TO 4 FT.
.TONIGHT...S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 4 TO 5 FT...
BUILDING TO 4 TO 6 FT AFTER MIDNIGHT.
.MON...S WINDS 15 TO 20 KT...INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT...BUILDING TO 5 TO 7 FT IN THE AFTERNOON.
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
.MON NIGHT...S WINDS 20 TO 25 KT...BECOMING SW 15 TO 20 KT AFTER
MIDNIGHT. SEAS 5 TO 7 FT. SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
.TUE...NW WINDS 15 KT...BECOMING SW IN THE AFTERNOON. SEAS 4 TO
6 FT...SUBSIDING TO 3 TO 4 FT IN THE AFTERNOON. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING.
.TUE NIGHT...W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.
.WED...NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
.WED NIGHT...SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
.THU...S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
.THU NIGHT...S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. SHOWERS AND
THUNDERSTORMS LIKELY.

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

$$

AMZ352-010445-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
941 AM EDT SUN APR 30 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING...

.TODAY...SE WINDS 10 TO 15 KT...INCREASING TO 15 KT. SEAS 2 TO 3
FT...BUILDING TO  3 TO 4 FT.
.TONIGHT...S WINDS 15 KT. SEAS 4 TO 5 FT...BUILDING TO 4 TO 6 FT
AFTER MIDNIGHT.
.MON...S WINDS 15 TO 20 KT...INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
.MON NIGHT...S WINDS 20 TO 25 KT WITH GUSTS TO 30 KT... BECOMING W
15 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT...SUBSIDING TO 4 TO 6 FT AFTER
MIDNIGHT. SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS.
.TUE...NW WINDS 10 TO 15 KT...BECOMING SW 5 TO 10 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS IN THE MORNING.
.TUE NIGHT...SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
.WED...NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
.WED NIGHT...SE WINDS 10 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
.THU...S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
.THU NIGHT...S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. A CHANCE OF
SHOWERS AND THUNDERSTORMS.

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

$$

AMZ354-010445-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM...INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
941 AM EDT SUN APR 30 2017

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

.TODAY...SE WINDS 10 KT...INCREASING TO 15 KT. SEAS 2 TO 3
FT...BUILDING TO 3 TO 4 FT.
.TONIGHT...SE WINDS 15 KT WITH GUSTS TO 20 KT. SEAS 4 TO 5 FT.
.MON...S WINDS 15 TO 20 KT...INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
.MON NIGHT...S WINDS 20 TO 25 KT WITH GUSTS TO 30 KT... BECOMING W
15 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT...SUBSIDING TO 3 TO 4 FT AFTER
MIDNIGHT. SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS.
.TUE...NW WINDS 5 TO 10 KT...BECOMING S IN THE AFTERNOON. SEAS 3 TO
4 FT. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING.
.TUE NIGHT...S WINDS 5 TO 10 KT...BECOMING SW AFTER MIDNIGHT. SEAS
2 FT.
.WED...NE WINDS 5 TO 10 KT. SEAS 2 FT.
.WED NIGHT...SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
.THU...S WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
.THU NIGHT...S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. A CHANCE OF
SHOWERS AND THUNDERSTORMS.

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

$$

AMZ374-010445-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
941 AM EDT SUN APR 30 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM EDT THIS AFTERNOON
THROUGH TUESDAY MORNING...

.TODAY...SE WINDS 10 TO 15 KT...INCREASING TO 15 TO 20 KT. SEAS
SEAS 4 TO 5 FT.
.TONIGHT...SE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 5 TO 6 FT.
.MON...S WINDS 15 TO 20 KT...INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 6 TO 7 FT.
.MON NIGHT...S WINDS 20 TO 25 KT...BECOMING W 15 TO 20 KT AFTER
MIDNIGHT. SEAS 6 TO 8 FT...SUBSIDING TO 5 TO 7 FT AFTER MIDNIGHT. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
.TUE...NW WINDS 15 KT...DIMINISHING TO 5 TO 10 KT IN THE AFTERNOON.
SEAS 4 TO 6 FT...SUBSIDING TO 4 TO 5 FT IN THE AFTERNOON. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
.TUE NIGHT...S WINDS 5 TO 10 KT...BECOMING SW AFTER MIDNIGHT. SEAS
3 TO 4 FT.
.WED...NE WINDS 5 TO 10 KT. SEAS 3 FT.
.WED NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
.THU...S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
.THU NIGHT...S WINDS 15 TO 20 KT. SEAS 6 TO 7 FT. A CHANCE OF
SHOWERS AND THUNDERSTORMS.

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

$$



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