806
FXHW01 KWNH 100902
PMDHI
HAWAII EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
502 AM EDT WED JUN 10 2026
VALID 00Z THU 11 JUN 2026 - 00Z THU 18 JUN 2026
PERSISTENT EAST-NORTHEASTERLY TRADE WINDS WILL CONTINUE ACROSS
THE STATE THROUGH THE SHORT TERM. SOME UPTICK IN LOW-LEVEL
MOISTURE WILL RESULT IN HIGHER SHOWER COVERAGE THROUGH EARLY
THURSDAY.
BY LATER THIS WEEK INTO THE WEEKEND THE PRESSURE GRADIENT WILL
WEAKEN AS THE SUBTROPICAL HIGH TO THE NORTH MOVES AWAY AND A COLD
FRONT APPROACHES THE REGION FROM THE NORTHWEST. THE PRIMARY IMPACT
OF THIS CHANGE WILL BE A DECREASE IN TRADE WIND SPEEDS ALONGSIDE
A GENERAL REDUCTION IN TRADE SHOWER ACTIVITY. GIVEN THE WEAK
SYNOPTIC FLOW, SEA BREEZE SHOWERS OVER THE INTERIOR WILL BE
POSSIBLE.
HEADING INTO NEXT WEEK, MODELS SUGGEST A RETURN OF STRONGER
EASTERLY TRADE WINDS AND STANDARD TRADE SHOWERS. SOME SIGNAL THAT
A WEAK WAVE AND ENHANCED MOISTURE COULD INCREASE RAIN CHANCES AT
SOME POINT NEXT WEEK. ALTHOUGH CONFIDENCE WITH THESE DETAILS IS
LOW AND STILL NOT ANTICIPATING ANY SIGNIFICANT HAZARDS THROUGH THE
PERIOD.
CHENARD
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