160
FXHW01 KWNH 220646
PMDHI
HAWAII EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
246 AM EDT WED OCT 22 2025
VALID 00Z THU 23 OCT 2025 - 00Z THU 30 OCT 2025
HAWAII WILL GENERALLY BE ON THE SOUTHERN PERIPHERY OF THE MAIN
SUBTROPICAL HIGH, WHICH SHOULD INITIALLY BE CENTERED NEAR 35
DEGREES NORTH TODAY. THE HIGH REALIGNS THROUGH THE END OF THE WEEK
AND THEN BECOMES POSITIONED NORTH OF THE STATE CLOSER TO 30
DEGREES NORTH BY SATURDAY, AND THIS HIGH THEN MOVES OFF TOWARDS
THE EAST THROUGH EARLY NEXT WEEK. THE ENSEMBLE MEANS SUGGEST A
COL DEVELOPS IN THE RIDGE AXIS WITH A FRONTAL BOUNDARY APPROACHING
THE NORTHWESTERN ISLANDS.
WINDS SHOULD GENERALLY BE OUT OF THE EAST MOST DAYS, WITH SOME ENE
COMPONENT TO THE FLOW AT TIMES. DEEP MOISTURE NEAR THE ITCZ SHOULD
STAY SOUTH OF THE STATE THROUGH THE UPCOMING WEEK, WITH THE
TYPICAL TRADE WIND SHOWERS EXPECTED.
HAMRICK
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