911  
FZMY50 PGUM 220545  
SRFMY  
 
SURF ZONE FORECAST FOR THE MARIANA ISLANDS  
NATIONAL WEATHER SERVICE TIYAN GU  
345 PM CHST SUN APR 22 2018  
   
SYNOPSIS
 
THE RISK OF RIP CURRENTS WILL BE MODERATE THR NEXT FEW  
DAYS ALONG EAST FACING REEFS.  
 

 
 
GUZ001>004-222045-  
GUAM-ROTA-TINIAN-SAIPAN-  
345 PM CHST SUN APR 22 2018  
   
TONIGHT AND MONDAY
 
 
COASTAL WINDS............EAST AT 10 TO 20 MPH.  
SURF ALONG NORTH FACING REEFS............2 TO 4 FEET.  
SURF ALONG EAST FACING REEFS............6 TO 8 FEET.  
SURF ALONG SOUTH FACING REEFS............1 TO 3 FEET.  
SURF ALONG WEST FACING REEFS............1 TO 2 FEET.  
PRIMARY SWELL...............EAST AT 4 TO 6 FEET.  
PRIMARY PERIOD..............11 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...84 DEGREES.  
MAXIMUM AFTERNOON HEAT INDEX...........AROUND 98.  
   
OUTLOOK
 
SURF IS EXPECTED TO FALL ABOUT A FOOT ALONG EAST FACING  
REEFS MONDAY NIGHT.  
 
TIDE INFORMATION FOR THE NEXT 24 HOURS...  
 
AT APRA HARBOR, GUAM...  
LOW TIDE -0.2 FEET AT 6:57 PM SUNDAY  
HIGH TIDE 2.3 FEET AT 2:32 AM MONDAY  
LOW TIDE 1.5 FEET AT 8:00 AM MONDAY  
HIGH TIDE 2.0 FEET AT 12:29 PM MONDAY  
 
AT ROTA ISLAND...  
LOW TIDE -0.2 FEET AT 6:51 PM SUNDAY  
HIGH TIDE 2.1 FEET AT 2:29 AM MONDAY  
LOW TIDE 1.4 FEET AT 7:54 AM MONDAY  
HIGH TIDE 1.9 FEET AT 12:26 PM MONDAY  
 
AT TINIAN ISLAND...  
LOW TIDE -0.1 FEET AT 6:34 PM SUNDAY  
HIGH TIDE 1.7 FEET AT 2:30 AM MONDAY  
LOW TIDE 0.5 FEET AT 7:37 AM MONDAY  
HIGH TIDE 1.5 FEET AT 12:27 PM MONDAY  
 
AT TANAPAG HARBOR, SAIPAN...  
LOW TIDE -0.1 FEET AT 7:07 PM SUNDAY  
HIGH TIDE 2.2 FEET AT 2:54 AM MONDAY  
LOW TIDE 1.4 FEET AT 8:43 AM MONDAY  
HIGH TIDE 1.8 FEET AT 12:43 PM MONDAY  
 

 
 
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