919  
FZHW51 PHFO 311340  
CWFHI1  
 
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII  
NATIONAL WEATHER SERVICE HONOLULU HI  
340 AM HST MON AUG 31 2026  
   
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
 
 
HIGH PRESSURE WILL MAINTAIN MODERATE TO LOCALLY STRONG TRADES  
THROUGH MUCH OF THE COMING WEEK.  
 

 
 
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-  
   
..SMALL CRAFT ADVISORY
 
 
   
TODAY
 
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 9 FEET.  
WAVE DETAIL: EAST 6 FEET AT 6 SECONDS AND SOUTH SOUTHWEST 3 FEET  
AT 16 SECONDS. SCATTERED SHOWERS.    
TONIGHT
 
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 9 FEET.  
WAVE DETAIL: EAST 7 FEET AT 7 SECONDS AND SOUTH SOUTHWEST 3 FEET  
AT 18 SECONDS. SCATTERED SHOWERS.    
TUESDAY
 
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 9 FEET.  
WAVE DETAIL: EAST 6 FEET AT 6 SECONDS AND SOUTH SOUTHWEST 4 FEET  
AT 18 SECONDS. SCATTERED SHOWERS.    
TUESDAY NIGHT
 
EAST NORTHEAST WINDS 25 TO 30 KNOTS ALENUIHAHA  
CHANNEL...EAST NORTHEAST TO 20 KNOTS ELSEWHERE. SEAS 7 TO 9 FEET.  
WAVE DETAIL: EAST 6 FEET AT 7 SECONDS AND SOUTH 4 FEET AT  
17 SECONDS. SCATTERED SHOWERS.    
WEDNESDAY
 
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 8 TO  
11 FEET. SCATTERED SHOWERS.    
WEDNESDAY NIGHT...EAST NORTHEAST WINDS TO 20 KNOTS TO KAUAI
 
 
EAST NORTHEAST 25 TO 30 KNOTS ELSEWHERE. SEAS 10 TO 14 FEET.  
SCATTERED SHOWERS.    
THURSDAY
 
EAST NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 12 TO  
16 FEET. ISOLATED SHOWERS THROUGH THE NIGHT, THEN SCATTERED  
SHOWERS THROUGH THE DAY.    
FRIDAY
 
EAST NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 9 TO 13 FEET,  
SUBSIDING TO 7 TO 8 FEET. SCATTERED SHOWERS.  
 

 
 
 
 
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