084  
FZMY50 PGUM 210553  
SRFMY  
 
SURF ZONE FORECAST FOR THE MARIANA ISLANDS  
NATIONAL WEATHER SERVICE TIYAN GU  
353 PM CHST THU JUN 21 2018  
   
SYNOPSIS
 
THERE IS A MODERATE RISK OF RIP CURRENTS FOR THE  
NEXT SEVERAL DAYS.  
 

 
 
GUZ001>004-220000-  
GUAM-ROTA-TINIAN-SAIPAN-  
353 PM CHST THU JUN 21 2018  
   
TONIGHT AND FRIDAY
 
 
COASTAL WINDS............EAST AT 5 TO 15 MPH.  
SURF ALONG NORTH FACING REEFS............1 TO 3 FEET.  
SURF ALONG EAST FACING REEFS............4 TO 6 FEET.  
SURF ALONG SOUTH FACING REEFS............1 TO 3 FEET.  
SURF ALONG WEST FACING REEFS............1 TO 2 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.  
 
SEA SURFACE TEMPERATURE AT RITIDIAN BUOY...85 DEGREES.  
 
   
OUTLOOK
 
LITTLE CHANGE THROUGH SATURDAY.  
 
TIDE INFORMATION FOR THE NEXT 24 HOURS...  
 
AT APRA HARBOR, GUAM...  
LOW TIDE 0.6 FEET AT 8:09 PM THURSDAY  
HIGH TIDE 2.5 FEET AT 2:57 AM FRIDAY  
LOW TIDE 0.6 FEET AT 9:46 AM FRIDAY  
HIGH TIDE 1.7 FEET AT 3:41 PM FRIDAY  
 
AT ROTA ISLAND...  
LOW TIDE 0.5 FEET AT 8:03 PM THURSDAY  
HIGH TIDE 2.3 FEET AT 2:54 AM FRIDAY  
LOW TIDE 0.6 FEET AT 9:40 AM FRIDAY  
HIGH TIDE 1.6 FEET AT 3:38 PM FRIDAY  
 
AT TINIAN ISLAND...  
LOW TIDE 0.2 FEET AT 7:46 PM THURSDAY  
HIGH TIDE 1.8 FEET AT 2:55 AM FRIDAY  
LOW TIDE 0.2 FEET AT 9:23 AM FRIDAY  
HIGH TIDE 1.3 FEET AT 3:39 PM FRIDAY  
 
AT TANAPAG HARBOR, SAIPAN...  
LOW TIDE 0.6 FEET AT 8:16 PM THURSDAY  
HIGH TIDE 2.3 FEET AT 3:06 AM FRIDAY  
LOW TIDE 0.5 FEET AT 10:04 AM FRIDAY  
HIGH TIDE 1.5 FEET AT 4:04 PM FRIDAY  
 

 
 
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