853  
FZPQ50 PGUM 140702  
SRFGUM  
 
SURF ZONE FORECAST FOR THE MARIANA ISLANDS  
NATIONAL WEATHER SERVICE TIYAN GU  
502 PM CHST FRI AUG 14 2020  
   
SYNOPSIS
 
THE RIP CURRENT RISK WILL REMAIN LOW FOR THE NEXT  
SEVERAL DAYS. THERE WILL BE A MODERATE RISK OF LIGHTNING DURING THE  
AFTERNOONS FOR GUAM THROUGH SUNDAY.  
 

 
 
GUZ001>004-142100-  
GUAM-ROTA-TINIAN-SAIPAN-  
502 PM CHST FRI AUG 14 2020  
 
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 PM FRIDAY  
THROUGH 600 AM SUNDAY  
   
TONIGHT THROUGH SATURDAY NIGHT (6 PM TO 6 AM SUNDAY)
 
 
COASTAL WINDS............NORTHEAST AT AROUND 10 MPH.  
SURF ALONG NORTH FACING REEFS............1 TO 2 FEET.  
SURF ALONG EAST FACING REEFS............2 TO 4 FEET.  
SURF ALONG SOUTH FACING REEFS............1 TO 2 FEET.  
SURF ALONG WEST FACING REEFS............AROUND 1 FOOT.  
PRIMARY SWELL...............EAST AT 2 TO 3 FEET.  
PRIMARY PERIOD..............9 SECONDS.  
 
RIP CURRENT RISK.....LOW. HOWEVER, STRONG CURRENTS CAN OCCUR NEAR  
JETTIES AND REEF CHANNELS. ALWAYS HAVE A  
FLOTATION DEVICE WITH YOU IN THE WATER.  
 
SEA SURFACE TEMPERATURE AT RITIDIAN BUOY...86 DEGREES.  
MAXIMUM AFTERNOON HEAT INDEX...........AROUND 101.  
   
OUTLOOK
 
LITTLE CHANGE NEXT SEVERAL DAYS.  
 
TIDE INFORMATION FOR THE NEXT 36 HOURS...  
 
AT APRA HARBOR, GUAM...  
HIGH TIDE 2.1 FEET AT 5:28 PM FRIDAY  
LOW TIDE 1.7 FEET AT 10:05 PM FRIDAY  
HIGH TIDE 2.2 FEET AT 3:08 AM SATURDAY  
LOW TIDE 0.2 FEET AT 10:43 AM SATURDAY  
HIGH TIDE 2.2 FEET AT 6:19 PM SATURDAY  
LOW TIDE 1.7 FEET AT 11:09 PM SATURDAY  
 
AT ROTA ISLAND...  
HIGH TIDE 2.0 FEET AT 5:25 PM FRIDAY  
LOW TIDE 1.6 FEET AT 9:59 PM FRIDAY  
HIGH TIDE 2.1 FEET AT 3:05 AM SATURDAY  
LOW TIDE 0.2 FEET AT 10:37 AM SATURDAY  
HIGH TIDE 2.1 FEET AT 6:16 PM SATURDAY  
LOW TIDE 1.6 FEET AT 11:03 PM SATURDAY  
 
AT TINIAN ISLAND...  
HIGH TIDE 1.6 FEET AT 5:26 PM FRIDAY  
LOW TIDE 0.6 FEET AT 9:42 PM FRIDAY  
HIGH TIDE 1.6 FEET AT 3:06 AM SATURDAY  
LOW TIDE 0.1 FEET AT 10:20 AM SATURDAY  
HIGH TIDE 1.7 FEET AT 6:17 PM SATURDAY  
LOW TIDE 0.6 FEET AT 10:46 PM SATURDAY  
 
AT TANAPAG HARBOR, SAIPAN...  
HIGH TIDE 1.7 FEET AT 5:54 PM FRIDAY  
LOW TIDE 1.5 FEET AT 9:37 PM FRIDAY  
HIGH TIDE 2.0 FEET AT 2:46 AM SATURDAY  
LOW TIDE 0.0 FEET AT 10:52 AM SATURDAY  
HIGH TIDE 1.9 FEET AT 6:44 PM SATURDAY  
LOW TIDE 1.6 FEET AT 10:42 PM SATURDAY  
 

 
 
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