327  
FNCA72 TJSJ 182139  
FWSSJU  
 
SPOT FORECAST FOR MV FERREL...USCG  
NATIONAL WEATHER SERVICE SAN JUAN PR  
539 PM AST FRI MAY 18 2018  
 
FORECAST IS BASED ON FORECAST START TIME OF 1000 AST ON MAY 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
QUESTIONS OR CONCERNS ABOUT THIS FORECAST, CONTACT (787) 253-4501.  
   
DISCUSSION
 
A STRONG SURFACE HIGH PRESSURE SYSTEM ACROSS THE CENTRAL ATLANTIC  
WILL CONTINUE TO CAUSE MODERATE TO FRESH EASTERLY WINDS ACROSS THE REGION THROUGH  
MONDAY. CHOPPY SEAS UP TO 6 FEET WILL CONTINUE THROUGH SUNDAY MORNING DIMINISHING  
TO AROUND 5 FEET BY SUNDAY AFTERNOON. SEAS WILL CONTINUE TO DISMINISH TO AROUND 4  
FEET BY MONDAY AND CONTINUING THROUGH TUESDAY.  
   
REST OF TODAY
 
 
TIME (AST) 10 AM 1 PM 4 PM  
SKY (%).........50 40 40  
WEATHER COV.....SCTTRD ISOLTD ISOLTD  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR  
TSTM COV........  
CHC OF PCPN (%).40 20 20  
SURFACE WIND....E 18G28 E 18G28 E 18G28  
WAVE HEIGHT (FT)5 5 5  
   
TONIGHT
 
 
TIME (AST) 6 PM 9 PM MIDNGT 3 AM  
SKY (%).........30 30 50 50  
WEATHER COV.....ISOLTD ISOLTD SCTTRD SCTTRD  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........  
CHC OF PCPN (%).20 20 40 40  
SURFACE WIND....E 20G29 E 20G27 E 20G27 E 20G27  
WAVE HEIGHT (FT)5 5 5 6  
   
SATURDAY
 
 
TIME (AST) 6 AM 9 AM NOON 3 PM  
SKY (%).........60 60 50 50  
WEATHER COV.....SCTTRD SCTTRD SCTTRD SCTTRD  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........  
CHC OF PCPN (%).50 50 40 40  
SURFACE WIND....E 20G27 E 20G27 E 21G28 E 21G28  
WAVE HEIGHT (FT)6 6 6 6  
   
FORECAST DAYS 3 THROUGH 5
 
   
SUNDAY
 
 
PARTLY CLOUDY. SCATTERED SHOWERS. LOWS IN THE UPPER 70S. HIGHS  
AROUND 80. EAST WINDS AROUND 19 MPH. SEAS 6 FEET IN THE MORNING  
DISMINISHING TO AROUND 5 FEET IN THE AFTERNOON AND EVENING.   
MONDAY
 
 
PARTLY CLOUDY. SCATTERED SHOWERS. LOWS AROUND 80. HIGHS IN THE  
LOWER 80S. EAST WINDS AROUND 17 MPH. SEAS AROUND 4 FEET.   
TUESDAY
 
 
PARTLY CLOUDY. SCATTERED SHOWERS. LOWS IN THE UPPER 70S. HIGHS  
AROUND 80. EAST WINDS AROUND 17 MPH. SEAS AROUND 4 FEET.  
 

 
FORECASTER...LOJERO  
REQUESTED BY...LCDR BRETT WORKMAN  
TYPE OF REQUEST...MARINE  
.TAG 1810231.0/SJU  
.DELDT 05/18/18  
.EMAIL BRETT.R.WORKMAN@USCG.MIL  
 
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