938
FXHW01 KWNH 260807
PMDHI
HAWAII EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
407 AM EDT TUE MAY 26 2026
VALID 00Z WED 27 MAY 2026 - 00Z WED 03 JUN 2026
THE LATEST MODEL GUIDANCE REMAINS CONSISTENT IN SHOWING SURFACE
HIGH PRESSURE CENTERED NORTHEAST OF THE ISLANDS NEAR 41N 148W
WEAKENING BY MID WEEK, WITH A NEW DOMINANT NORTH PACIFIC HIGH THEN
PUSHING EASTWARD ALONG APPROXIMATELY 40N FROM THE DATELINE LATE
TUESDAY TO 160W BY SAT. THIS SURFACE HIGH WILL MAINTAIN STRONG
TRADES THROUGH THE REMAINDER OF THE WEEK. THE SURFACE HIGH IS
EXPECTED TO WEAKEN OVER THE UPCOMING WEEKEND, WITH A CORRESPONDING
LESSENING OF THE CURRENT STRONG TRADES. THESE WEAKER TRADES WILL
CONTINUE THEN INTO THE EARLY PART OF NEXT WEEK.
PW VALUES ARE EXPECTED TO REMAIN BELOW SEASONAL AVERAGES THROUGH
THE REMAINDER OF THE WEEK. CONSENSUS IS THEN FOR AN INCREASE FROM
EAST TO WEST IN PW VALUES OVER THE WEEKEND INTO EARLY NEXT WEEK.
THIS MAY LEAD TO HEAVIER TRADES SHOWERS BY EARLY NEXT WEEK. PRIOR
TO THIS, CLIMATOLOGICAL PRECIP DISTRIBUTION EXPECTED ACROSS THE
ISLANDS WITH POPS RANGING FROM 30-60% OVER WINDWARD AND MAUKA
LOCATIONS AND GENERALLY LESS THAN 15% ACROSS LEEWARD AREAS.
ORAVEC
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page