176  
FZHW51 PHFO 210129  
CWFHI1  
 
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII  
NATIONAL WEATHER SERVICE HONOLULU HI  
329 PM HST MON JUL 20 2026  
   
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
 
 
HIGH PRESSURE FAR TO THE NORTHEAST OF HAWAII WILL SINK SOUTH  
SLOWLY AND STRENGTHEN THROUGH FRIDAY.  
 

 
 
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-  
 
   
TONIGHT
 
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 7 FEET.  
WAVE DETAIL: EAST 4 FEET AT 6 SECONDS AND SOUTH 4 FEET AT  
15 SECONDS. SCATTERED SHOWERS.    
TUESDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 7 FEET. WAVE  
DETAIL: EAST 5 FEET AT 6 SECONDS, SOUTH 4 FEET AT 14 SECONDS AND  
EAST 3 FEET AT 14 SECONDS. SCATTERED SHOWERS.    
TUESDAY NIGHT
 
EAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 7 FEET.  
WAVE DETAIL: EAST 5 FEET AT 12 SECONDS AND SOUTH 4 FEET AT  
13 SECONDS. SCATTERED SHOWERS.    
WEDNESDAY
 
EAST NORTHEAST WINDS 25 TO 30 KNOTS ALENUIHAHA  
CHANNEL...EAST NORTHEAST 15 TO 20 KNOTS ELSEWHERE. SEAS 6 TO  
8 FEET. WAVE DETAIL: EAST 5 FEET AT 12 SECONDS AND SOUTH 4 FEET  
AT 13 SECONDS. SCATTERED SHOWERS.    
WEDNESDAY NIGHT AND THURSDAY
 
EAST NORTHEAST WINDS 25 TO 30  
KNOTS ALENUIHAHA CHANNEL...EAST NORTHEAST TO 20 KNOTS ELSEWHERE.  
SEAS 6 TO 8 FEET. SCATTERED SHOWERS.    
THURSDAY NIGHT AND FRIDAY
 
EAST NORTHEAST WINDS 25 TO 30 KNOTS.  
SEAS 7 TO 9 FEET. SCATTERED SHOWERS.    
SATURDAY
 
EAST NORTHEAST WINDS 20 TO 25 KNOTS, RISING TO 25 TO  
30 KNOTS. SEAS 7 TO 8 FEET. SCATTERED SHOWERS.  
 

 
 
 
 
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