Coastal Waters Forecast
Issued by NWS Charleston, SC

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000
FZUS52 KCHS 220237
CWFCHS

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE CHARLESTON SC
937 PM EST SAT JAN 21 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

AMZ300-221745-
937 PM EST SAT JAN 21 2017

.SYNOPSIS FOR THE COASTAL WATERS OF SOUTH COASTAL SOUTH CAROLINA
AND NORTH COASTAL GEORGIA...
UPPER LEVEL DISTURBANCES WILL CROSS THROUGH THE REGION TONIGHT. THEN
ON SUNDAY...A STRONG AREA OF LOW PRESSURE WILL DEEPEN ACROSS NORTH
GEORGIA AND THE UPSTATE OF SOUTH CAROLINA, PUSHING A STRONG COLD
FRONT THROUGH THE AREA SUNDAY NIGHT AND MONDAY. HIGH PRESSURE WILL
RETURN THROUGH MID WEEK AND ANOTHER COLD FRONT WILL CROSS THE AREA
LATE NEXT WEEK.

$$

AMZ330-221745-
CHARLESTON HARBOR-
937 PM EST SAT JAN 21 2017

.TONIGHT...SW WINDS 10 TO 15 KT. SHOWERS AND TSTMS LIKELY LATE.
PATCHY FOG AFTER MIDNIGHT.
.SUN...SW WINDS 10 TO 15 KT...BECOMING S 20 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT. PATCHY FOG IN THE MORNING. SHOWERS AND TSTMS.
.SUN NIGHT...SW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SHOWERS AND TSTMS IN THE EVENING...THEN SHOWERS LIKELY AFTER
MIDNIGHT.
.MON...SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT. A
SLIGHT CHANCE OF SHOWERS.
.MON NIGHT...W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT.
.TUE...W WINDS 15 KT WITH GUSTS TO 20 KT...DIMINISHING TO 10 KT IN
THE AFTERNOON.
.TUE NIGHT...W WINDS 5 TO 10 KT.
.WED...SW WINDS 5 TO 10 KT.
.WED NIGHT...SW WINDS 10 KT.
.THU...W WINDS 10 KT. A CHANCE OF SHOWERS.
.THU NIGHT...W WINDS 10 KT. A SLIGHT CHANCE OF SHOWERS.

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...58 DEGREES.

$$

AMZ350-221745-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
937 PM EST SAT JAN 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
TUESDAY MORNING...

.TONIGHT...SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SHOWERS AND TSTMS
LIKELY LATE. PATCHY FOG.
.SUN...SW WINDS 15 TO 20 KT...BECOMING S 20 TO 25 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT...BUILDING TO 5 TO 7 FT IN THE AFTERNOON.
SHOWERS AND TSTMS.
.SUN NIGHT...SW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 6 TO
8 FT...SUBSIDING TO 5 TO 7 FT AFTER MIDNIGHT. SHOWERS AND TSTMS IN
THE EVENING...THEN SHOWERS LIKELY AFTER MIDNIGHT.
.MON...SW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. SEAS 5 TO 7 FT. A
SLIGHT CHANCE OF SHOWERS.
.MON NIGHT...W WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 5 TO
7 FT...SUBSIDING TO 4 TO 6 FT AFTER MIDNIGHT.
.TUE...W WINDS 15 TO 20 KT...DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT...SUBSIDING TO 2 TO 3 FT IN THE AFTERNOON.
.TUE NIGHT...W WINDS 10 TO 15 KT. SEAS 2 FT.
.WED...SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
.WED NIGHT...SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.THU...W WINDS 15 KT. SEAS 4 TO 6 FT. A CHANCE OF SHOWERS.
.THU NIGHT...W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS.

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

$$

AMZ352-221745-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
937 PM EST SAT JAN 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE
MONDAY NIGHT...

.TONIGHT...SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS
AND TSTMS OVERNIGHT. PATCHY FOG.
.SUN...S WINDS 15 TO 20 KT...INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT...BUILDING TO 5 TO 7 FT IN THE AFTERNOON.
SHOWERS AND TSTMS.
.SUN NIGHT...SW WINDS 20 TO 25 KT...DIMINISHING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 5 TO 7 FT...SUBSIDING TO 4 TO 6 FT AFTER MIDNIGHT.
SHOWERS AND TSTMS IN THE EVENING... THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT.
.MON...SW WINDS 20 TO 25 KT...BECOMING W 25 TO 30 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. A SLIGHT CHANCE OF SHOWERS.
.MON NIGHT...W WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 4 TO
6 FT...SUBSIDING TO 3 TO 4 FT AFTER MIDNIGHT.
.TUE...W WINDS 15 TO 20 KT...DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT.
.TUE NIGHT...W WINDS 10 TO 15 KT. SEAS 2 FT.
.WED...SW WINDS 10 KT. SEAS 2 FT.
.WED NIGHT...SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.THU...W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
.THU NIGHT...W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A SLIGHT CHANCE OF
SHOWERS.

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

$$

AMZ354-221745-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM...INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
937 PM EST SAT JAN 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE
MONDAY NIGHT...

.TONIGHT...SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT...BUILDING TO 3 TO 4
FT AFTER MIDNIGHT. A CHANCE OF SHOWERS AND TSTMS OVERNIGHT. PATCHY
FOG.
.SUN...S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO 4 FT...
BUILDING TO 4 TO 5 FT IN THE AFTERNOON. SHOWERS AND TSTMS.
.SUN NIGHT...SW WINDS 20 KT WITH GUSTS TO 30 KT. SEAS 4 TO 6 FT...
SUBSIDING TO 4 TO 5 FT AFTER MIDNIGHT. SHOWERS AND TSTMS IN THE
EVENING...THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
.MON...W WINDS 20 TO 25 KT...INCREASING TO 25 TO 30 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT.
.MON NIGHT...W WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. SEAS 3 TO
4 FT.
.TUE...W WINDS 15 TO 20 KT...DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT...SUBSIDING TO 2 FT IN THE AFTERNOON.
.TUE NIGHT...W WINDS 5 TO 10 KT. SEAS 2 FT IN THE EVENING...THEN
SEAS 1 FOOT.
.WED...SW WINDS 5 TO 10 KT. SEAS 1 FOOT.
.WED NIGHT...SW WINDS 10 TO 15 KT. SEAS 2 FT.
.THU...SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF SHOWERS.
.THU NIGHT...NW WINDS 10 TO 15 KT. SEAS 2 FT. A SLIGHT CHANCE OF
SHOWERS.

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

$$

AMZ374-221745-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
937 PM EST SAT JAN 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE MONDAY
NIGHT...

.TONIGHT...SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. SEAS 3 TO 5
FT...BUILDING TO 5 TO 6 FT. A CHANCE OF SHOWERS AND TSTMS OVERNIGHT.
.SUN...S WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. SEAS 5 TO 7 FT...
BUILDING TO 6 TO 8 FT IN THE AFTERNOON. SHOWERS AND TSTMS...MAINLY
IN THE AFTERNOON.
.SUN NIGHT...SW WINDS 25 TO 30 KT...BECOMING W 20 TO 25 KT AFTER
MIDNIGHT. SEAS 7 TO 9 FT. SHOWERS AND TSTMS IN THE EVENING...THEN A
CHANCE OF SHOWERS AFTER MIDNIGHT.
.MON...W WINDS 25 TO 30 KT. SEAS 6 TO 8 FT. A SLIGHT CHANCE OF
SHOWERS IN THE MORNING.
.MON NIGHT...W WINDS 25 TO 30 KT WITH GUSTS TO 40 KT. SEAS 6 TO
8 FT...SUBSIDING TO 5 TO 7 FT AFTER MIDNIGHT.
.TUE...W WINDS 20 TO 25 KT...DIMINISHING TO 15 TO 20 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT...SUBSIDING TO 3 TO 4 FT IN THE AFTERNOON.
.TUE NIGHT...W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT... SUBSIDING TO
2 FT AFTER MIDNIGHT.
.WED...SW WINDS 10 KT. SEAS 2 FT.
.WED NIGHT...SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.THU...SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. A CHANCE OF SHOWERS.
.THU NIGHT...W WINDS 15 KT. SEAS 3 TO 4 FT. A SLIGHT CHANCE OF
SHOWERS.

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

$$


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