372  
FZHW61 PHFO 182135  
OFFN10  
 
NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS  
NATIONAL WEATHER SERVICE HONOLULU HI  
1135 AM HST FRI APR 18 2025  
 
...PLEASE REFER TO COASTAL WATERS FORECASTS AVAILABLE THROUGH  
NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED COASTAL  
FORECASTS...  
   
SYNOPSIS
 
HIGH PRESSURE WILL BUILD FAR NORTHEAST OF THE AREA  
THROUGH THE WEEKEND AS A BROAD TROUGH TO THE WEST WEAKENS AND  
DISSIPATES. THE HIGH WILL IN TURN WEAKEN EARLY NEXT WEEK AS DEEP  
LOW PRESSURE DEVELOPS TO THE NORTHWEST.  
 

 
 
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-  
   
REST OF TODAY
 
EAST TO SOUTHEAST WINDS 10 TO 20 KT EXCEPT  
VARIABLE MAINLY SOUTHEAST WINDS UP TO 15 KT LEEWARDS WATERS. SEAS  
5 TO 8 FEET. WAVE DETAIL: NORTH NORTHWEST 6 FEET AT 11 SECONDS  
AND EAST SOUTHEAST 3 FEET AT 5 SECONDS. SCATTERED HEAVY SHOWERS  
WITH A SLIGHT CHANCE OF THUNDERSTORMS.    
TONIGHT
 
EAST TO NORTHEAST WINDS 10 TO 20 KT EXCEPT VARIABLE  
MAINLY EAST WINDS UP TO 15 KT LEEWARDS WATERS. SEAS 4 TO 6 FEET.  
WAVE DETAIL: EAST SOUTHEAST 4 FEET AT 5 SECONDS AND NORTH  
NORTHWEST 4 FEET AT 11 SECONDS. SCATTERED HEAVY SHOWERS WITH A  
SLIGHT CHANCE OF THUNDERSTORMS.    
SATURDAY AND SATURDAY NIGHT
 
EAST TO NORTHEAST WINDS 10 TO  
20 KT. SEAS 4 TO 6 FT. WAVE DETAIL: EAST SOUTHEAST 3 FEET AT 5  
SECONDS AND NORTH NORTHWEST 3 FEET AT 10 SECONDS. SCATTERED  
SHOWERS.    
SUNDAY THROUGH MONDAY...EAST WINDS 10 TO 20 KNOTS
 
EXCEPT  
BECOMING SOUTHEAST 10 TO 15 KT LATE MONDAY. SEAS 3 TO 5 FEET.  
SCATTERED SHOWERS.   
TUESDAY
 
SOUTH TO SOUTHEAST WINDS 10 TO 20 KT EXCEPT VARIABLE  
WINDS UP TO 10 KT NEAR KAUAI. SEAS 4 TO 6 FEET. NUMEROUS SHOWERS.  
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 

 
 
HAWAIIAN OFFSHORE WATERS-  
   
THIS AFTERNOON
 
E TO SE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.  
ISOLATED THUNDERSTORMS.    
TONIGHT AND SATURDAY
 
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.  
ISOLATED THUNDERSTORMS.    
SATURDAY NIGHT AND SUNDAY
 
E WINDS 10 TO 20 KT. SEAS 6 TO 7 FT.  
ISOLATED THUNDERSTORMS E OF 160W.    
MONDAY THROUGH TUESDAY
 
E TO SE WINDS 10 TO 15 KT. SEAS 6 TO  
7 FT. ISOLATED THUNDERSTORMS NW HALF.  
 

 
 
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