579  
FZMY50 PGUM 200558  
SRFMY  
 
SURF ZONE FORECAST FOR THE MARIANA ISLANDS  
NATIONAL WEATHER SERVICE TIYAN GU  
358 PM CHST SAT OCT 20 2018  
   
SYNOPSIS
 
THERE IS A MODERATE RISK OF RIP CURRENTS FOR THE NEXT  
FEW DAYS.  
 

 
 
GUZ001>004-210000-  
GUAM-ROTA-TINIAN-SAIPAN-  
358 PM CHST SAT OCT 20 2018  
   
TONIGHT
 
 
COASTAL WINDS............NORTHEAST AT AROUND 10 MPH.  
SURF ALONG NORTH FACING REEFS............3 TO 5 FEET.  
SURF ALONG EAST FACING REEFS............5 TO 7 FEET.  
SURF ALONG SOUTH FACING REEFS............1 TO 3 FEET.  
SURF ALONG WEST FACING REEFS............3 TO 5 FEET.  
PRIMARY SWELL...............EAST AT 3 TO 5 FEET.  
PRIMARY PERIOD..............10 SECONDS.  
 
RIP CURRENT RISK.....MODERATE. WAVE CONDITIONS SUPPORT STRONGER OR  
MORE FREQUENT RIP CURRENTS. ALWAYS HAVE A  
FLOTATION DEVICE WITH YOU IN THE WATER.  
 
SEA SURFACE TEMPERATURE AT IPAN BUOY...85 DEGREES.  
 
   
SUNDAY
 
 
COASTAL WINDS............EAST AT AROUND 10 MPH.  
SURF ALONG NORTH FACING REEFS............3 TO 5 FEET.  
SURF ALONG EAST FACING REEFS............4 TO 6 FEET.  
SURF ALONG SOUTH FACING REEFS............1 TO 3 FEET.  
SURF ALONG WEST FACING REEFS............3 TO 5 FEET.  
PRIMARY SWELL...............EAST AT 3 TO 4 FEET.  
PRIMARY PERIOD..............9 SECONDS.  
 
RIP CURRENT RISK.....MODERATE. WAVE CONDITIONS SUPPORT STRONGER OR  
MORE FREQUENT RIP CURRENTS. ALWAYS HAVE A  
FLOTATION DEVICE WITH YOU IN THE WATER.  
MAXIMUM AFTERNOON HEAT INDEX...........AROUND 102.  
   
OUTLOOK
 
LITTLE CHANGE THROUGH MONDAY.  
 
TIDE INFORMATION FOR THE NEXT 24 HOURS...  
 
AT APRA HARBOR, GUAM...  
HIGH TIDE 2.2 FEET AT 5:20 PM SATURDAY  
LOW TIDE 1.0 FEET AT 11:32 PM SATURDAY  
HIGH TIDE 1.9 FEET AT 4:55 AM SUNDAY  
LOW TIDE 0.4 FEET AT 11:17 AM SUNDAY  
 
AT ROTA ISLAND...  
HIGH TIDE 2.1 FEET AT 5:17 PM SATURDAY  
LOW TIDE 0.9 FEET AT 11:26 PM SATURDAY  
HIGH TIDE 1.8 FEET AT 4:52 AM SUNDAY  
LOW TIDE 0.4 FEET AT 11:11 AM SUNDAY  
 
AT TINIAN ISLAND...  
HIGH TIDE 1.7 FEET AT 5:18 PM SATURDAY  
LOW TIDE 0.3 FEET AT 11:09 PM SATURDAY  
HIGH TIDE 1.4 FEET AT 4:53 AM SUNDAY  
LOW TIDE 0.1 FEET AT 10:54 AM SUNDAY  
 
AT TANAPAG HARBOR, SAIPAN...  
HIGH TIDE 2.0 FEET AT 5:38 PM SATURDAY  
LOW TIDE 1.0 FEET AT 11:32 PM SATURDAY  
HIGH TIDE 1.7 FEET AT 5:13 AM SUNDAY  
LOW TIDE 0.5 FEET AT 11:14 AM SUNDAY  
 

 
 
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