493  
FZHW51 PHFO 230139  
CWFHI1  
 
GENERALIZED STATEWIDE COASTAL WATERS FORECAST FOR HAWAII  
NATIONAL WEATHER SERVICE HONOLULU HI  
339 PM HST MON JUN 22 2026  
   
SYNOPSIS FOR HAWAIIAN COASTAL WATERS  
 
HIGH PRESSURE TO THE FAR NORTH NORTHEAST WILL STRENGTHEN THROUGH  
WEDNESDAY, CAUSING TRADE WINDS TO GRADUALLY STRENGTHEN. A LOW  
LEVEL TROUGH MOVING IN FROM THE EAST TUESDAY THROUGH WEDNESDAY  
WILL BRING AN INCREASE IN SHOWER ACTIVITY.  
 
 
 
HAWAIIAN WATERS WITHIN 40 NAUTICAL MILES INCLUDING THE CHANNELS-  
 
   
TONIGHT  
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET.  
WAVE DETAIL: EAST 4 FEET AT 6 SECONDS. ISOLATED SHOWERS.    
TUESDAY  
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET.  
WAVE DETAIL: EAST 4 FEET AT 7 SECONDS. SCATTERED SHOWERS.    
TUESDAY NIGHT  
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO  
7 FEET. WAVE DETAIL: EAST 5 FEET AT 6 SECONDS. SCATTERED SHOWERS.   
WEDNESDAY  
EAST NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO  
8 FEET. WAVE DETAIL: EAST 5 FEET AT 6 SECONDS AND SOUTH SOUTHWEST  
3 FEET AT 18 SECONDS. SCATTERED SHOWERS.    
WEDNESDAY NIGHT  
EAST NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO  
8 FEET. SCATTERED SHOWERS.    
THURSDAY AND THURSDAY NIGHT  
EAST WINDS 20 TO 25 KNOTS. SEAS 6  
TO 8 FEET. ISOLATED SHOWERS.    
FRIDAY  
EAST WINDS 15 TO 20 KNOTS, BECOMING EAST NORTHEAST  
20 TO 25 KNOTS. SEAS 6 TO 8 FEET. ISOLATED SHOWERS.    
SATURDAY  
EAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 8 FEET. ISOLATED  
SHOWERS.  
 
 
 
 
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