205
FXHW01 KWNH 080631
PMDHI
HAWAII EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
231 AM EDT WED JUL 8 2026
VALID 00Z THU 09 JUL 2026 - 00Z THU 16 JUL 2026
A BROAD SURFACE HIGH PRESSURE WILL BE ANCHORED NORTH OF THE STATE
OVER THE COURSE OF THE WEEK FAVORING PERSISTENT MODERATE
TRADEWINDS AND DAILY UPSLOPE/MAUKA SHOWERS. AN APPROACHING
TROPICAL WAVE IS PROGGED TO REACH THE ISLANDS BY THE WEEK'S
END/START OF NEXT WEEK AND WITH IT COMES AN INCREASING PLUME OF
MOISTURE TO BRIEFLY ENHANCE SHOWER ACTIVITY AND AMOUNTS AND
POSSIBLY GUSTIER TRADEWINDS. DRIER AIR IS EXPECTED TO RETURN NEAR
THE BEGINNING OF THE WEEK. THE LATEST GUIDANCE CONTINUES TO DEPICT
A GRADUALLY WEAKENING PRESSURE GRADIENT BY MIDWEEK WHICH WOULD
LEAD TO LIGHTER TRADEWINDS.
CAMPBELL
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