607  
FZMY50 PGUM 260619  
SRFMY  
 
SURF ZONE FORECAST FOR THE MARIANA ISLANDS  
NATIONAL WEATHER SERVICE TIYAN GU  
500 PM CHST WED JUL 26 2017  
   
SYNOPSIS
 
THE RISK OF RIP CURRENTS WILL BE LOW THROUGH THURSDAY,  
BUT WILL LIKELY RISE TO A MODERATE RISK THURSDAY NIGHT AND FRIDAY  
ALONG WEST AND NORTH FACING REEFS.  
 

 
 
GUZ001>004-262130-  
GUAM-ROTA-TINIAN-SAIPAN-  
500 PM CHST WED JUL 26 2017  
   
THURSDAY
 
 
COASTAL WINDS............SOUTH AT AROUND 10 MPH.  
SURF ALONG NORTH FACING REEFS............2 TO 4 FEET.  
SURF ALONG EAST FACING REEFS............3 TO 5 FEET.  
SURF ALONG SOUTH FACING REEFS............2 TO 4 FEET.  
SURF ALONG WEST FACING REEFS............2 TO 4 FEET.  
PRIMARY SWELL...............NORTHEAST AT AROUND 3 FEET.  
PRIMARY PERIOD..............11 SECONDS.  
SECONDARY SWELL...............SOUTHWEST AT AROUND 3 FEET.  
SECONDARY PERIOD..............8 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
 
SURF IS EXPECTED TO RISE ABOUT A FOOT ALONG WEST AND  
NORTH FACING REEFS ON FRIDAY, RAISING THE RISK OF RIP CURRENTS TO  
MODERATE.  
 
TIDE INFORMATION FOR THE NEXT 24 HOURS...  
 
AT APRA HARBOR, GUAM...  
HIGH TIDE 2.5 FEET AT 10:43 PM WEDNESDAY  
LOW TIDE 1.0 FEET AT 4:39 AM THURSDAY  
HIGH TIDE 2.3 FEET AT 9:46 AM THURSDAY  
LOW TIDE -0.1 FEET AT 4:41 PM THURSDAY  
 
AT ROTA ISLAND...  
HIGH TIDE 2.4 FEET AT 10:40 PM WEDNESDAY  
LOW TIDE 1.0 FEET AT 4:33 AM THURSDAY  
HIGH TIDE 2.1 FEET AT 9:43 AM THURSDAY  
LOW TIDE -0.1 FEET AT 4:35 PM THURSDAY  
 
AT TINIAN ISLAND...  
HIGH TIDE 1.9 FEET AT 10:41 PM WEDNESDAY  
LOW TIDE 0.3 FEET AT 4:16 AM THURSDAY  
HIGH TIDE 1.7 FEET AT 9:44 AM THURSDAY  
LOW TIDE 0.0 FEET AT 4:18 PM THURSDAY  
 
AT TANAPAG HARBOR, SAIPAN...  
HIGH TIDE 2.3 FEET AT 11:10 PM WEDNESDAY  
LOW TIDE 1.1 FEET AT 5:00 AM THURSDAY  
HIGH TIDE 2.0 FEET AT 10:00 AM THURSDAY  
LOW TIDE 0.0 FEET AT 4:50 PM THURSDAY  
 

 
 
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