890  
FZHW51 PHFO 200114  
CWFHI1  
 
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII  
NATIONAL WEATHER SERVICE HONOLULU HI  
314 PM HST FRI DEC 19 2025  
   
SYNOPSIS FOR HAWAIIAN COASTAL WATERS  
 
A WEAK TROUGH NEAR THE KAUAI CHANNEL WILL CONTINUE TO BRING  
NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS OVER THE WESTERN  
COASTAL WATERS TONIGHT. WHILE GUSTY WINDS CAN BE EXPECTED AROUND  
ANY THUNDERSTORMS, GENERALLY GENTLE TO LOCALLY MODERATE SOUTHERLY  
WINDS WILL CONTINUE EAST OF THE TROUGH WITH LIGHT AND VARIABLE  
WINDS TO THE WEST. EASTERLY TRADE WINDS WILL STRENGTHEN LATE THIS  
WEEKEND INTO EARLY NEXT WEEK AS A HIGH PRESSURE RIDGE BUILDS  
NORTH OF THE STATE.  
 
 
 
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-  
 
   
TONIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 6 TO 7 FEET. WAVE  
DETAIL: NORTH 5 FEET AT 11 SECONDS. SCATTERED HEAVY SHOWERS WITH  
ISOLATED THUNDERSTORMS.    
SATURDAY  
EAST SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 6 TO  
7 FEET. WAVE DETAIL: NORTH 6 FEET AT 14 SECONDS. ISOLATED  
SHOWERS.    
SATURDAY NIGHT...EAST WINDS 15 TO 20 KNOTS NEAR THE BIG ISLAND  
 
EAST NORTHEAST TO 10 KNOTS ELSEWHERE. SEAS 6 TO 7 FEET. WAVE  
DETAIL: NORTH 6 FEET AT 13 SECONDS. ISOLATED SHOWERS.    
SUNDAY  
EAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 8 FEET. WAVE  
DETAIL: NORTH 5 FEET AT 11 SECONDS AND EAST SOUTHEAST 4 FEET AT  
5 SECONDS. ISOLATED SHOWERS.    
SUNDAY NIGHT  
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO  
9 FEET. SCATTERED SHOWERS.    
MONDAY  
EAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 9 FEET. SCATTERED  
SHOWERS.    
MONDAY NIGHT  
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO  
9 FEET. SCATTERED SHOWERS.    
TUESDAY  
EAST WINDS 20 TO 25 KNOTS. SEAS 7 TO 10 FEET. ISOLATED  
SHOWERS.    
WEDNESDAY  
EAST WINDS 20 TO 25 KNOTS. SEAS 7 TO 9 FEET.  
ISOLATED SHOWERS.  
 
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.  
 
 
 
 
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