521  
FZHW51 PHFO 110121  
CWFHI1  
 
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII  
NATIONAL WEATHER SERVICE HONOLULU HI  
320 PM HST SAT MAY 10 2025  
   
SYNOPSIS FOR HAWAIIAN COASTAL WATERS
 
 
A SURFACE RIDGE WILL REMAIN NORTH OF THE REGION THIS WEEKEND,  
THEN SLOWLY DRIFT EASTWARD BY EARLY NEXT WEEK. THIS WILL MAINTAIN  
STRONG TRADES THROUGH THE WEEKEND WITH A SLIGHT DECREASE EXPECTED  
EARLY NEXT WEEK.  
 

 
 
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-  
 
...SMALL CRAFT ADVISORY THROUGH SUNDAY AFTERNOON FOR KAUAI NORTHWEST  
WATERS...KAUAI LEEWARD WATERS...KAUAI CHANNEL...WATERS AROUND  
OAHU...KAIWI CHANNEL...WATERS AROUND MAUI COUNTY...THE PAILOLO AND  
ALENUIHAHA CHANNELS AND WATERS SOUTH OF THE BIG ISLAND...  
   
TONIGHT
 
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 15 SECONDS. SCATTERED SHOWERS.    
SUNDAY
 
EAST WINDS 20 TO 25 KNOTS. SEAS 7 TO 10 FEET. WAVE  
DETAIL: EAST 6 FEET AT 7 SECONDS AND SOUTH SOUTHWEST 4 FEET AT  
14 SECONDS. ISOLATED SHOWERS.    
SUNDAY NIGHT
 
EAST NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 7 TO  
10 FEET. WAVE DETAIL: EAST 6 FEET AT 7 SECONDS AND SOUTH  
SOUTHWEST 4 FEET AT 14 SECONDS. SCATTERED SHOWERS.    
MONDAY
 
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 7 TO 10 FEET.  
WAVE DETAIL: EAST 6 FEET AT 7 SECONDS AND SOUTH SOUTHWEST 3 FEET  
AT 13 SECONDS. ISOLATED SHOWERS.    
MONDAY NIGHT
 
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 7 TO  
10 FEET. SCATTERED SHOWERS.    
TUESDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 7 TO 10 FEET. ISOLATED  
SHOWERS.    
TUESDAY NIGHT
 
EAST WINDS 15 TO 20 KNOTS. SEAS 7 TO 10 FEET.  
SCATTERED SHOWERS.    
WEDNESDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 9 FEET,  
SUBSIDING TO 5 TO 6 FEET. ISOLATED SHOWERS THROUGH THE NIGHT.  
SCATTERED SHOWERS THROUGH THE DAY.    
THURSDAY
 
EAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET. ISOLATED  
SHOWERS THROUGH THE NIGHT. SCATTERED SHOWERS THROUGH THE DAY.  
 

 
 
 
 
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