593  
FXHW01 KWNH 280712  
PMDHI  
 
HAWAII EXTENDED FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
312 AM EDT THU AUG 28 2025  
 
VALID 00Z FRI 29 AUG 2025 - 00Z FRI 05 SEP 2025  
 
PREDOMINANTLY ZONAL FLOW ALOFT WILL PROMOTE A RELATIVELY QUIET  
PERIOD ACROSS HAWAII OVER THE NEXT WEEK. LIGHT RAIN IS EXPECTED  
ACROSS THE STATE WITH POTENTIAL FOR ISOLATED HEAVIER RAINFALL OVER  
MAUI AND THE BIG ISLAND THIS WEEKEND. THE LATEST GFS AND EURO  
GUIDANCE HAVE CONTINUED TO TREND DRIER OVER THESE AREAS. THE EURO,  
GFS AND THEIR RESPECTIVE ENSEMBLE MEANS HAVE A SIGNAL FOR A SURGE  
OF TROPICAL MOISTURE TO ADVECT NORTHWARD TOWARD THE ISLANDS AHEAD  
OF AN APPROACHING UPPER TROUGH EARLY NEXT WEEK. HOWEVER, THIS  
DOESN'T TRANSLATE INTO NOTABLE QPF OVER THE STATE AT THIS TIME.  
TRADE WINDS WILL LIKELY PERSIST AND GRADUALLY WEAKEN OVER THE NEXT  
WEEK.  
 
KEBEDE  
 
 
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