490  
FXHW01 KWNH 170707  
PMDHI  
 
HAWAII EXTENDED FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
307 AM EDT THU JUL 17 2025  
 
VALID 00Z FRI 18 JUL 2025 - 00Z FRI 25 JUL 2025  
 
SURFACE HIGH PRESSURE NORTH OF THE STATE WILL RESULT IN A FAIRLY  
TYPICAL EASTERLY TRADE WIND PATTERN FOR AT LEAST THE NEXT WEEK.  
THIS PATTERN KEEPS CLOUDS AND SHOWERS GENERALLY FAVORING THE  
TYPICAL WINDWARD LOCATIONS. A BROAD UPPER TROUGH/LOW NEARBY MAY  
BRING A SLIGHT UPTICK IN SHOWERY ACTIVITY THIS WEEKEND, BUT MORE  
STABLE CONDITIONS ARE EXPECTED TO RETURN BY NEXT WEEK AS AN UPPER  
RIDGE BUILDS BACK OVER HAWAII.  
 
SANTORELLI  
 

 
 
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