505
FXHW01 KWNH 240815
PMDHI
HAWAII EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
415 AM EDT WED JUN 24 2026
VALID 00Z THU 25 JUN 2026 - 00Z THU 02 JUL 2026
FORECAST ACROSS HAWAII OVER THE NEXT WEEK WILL FEATURE MODERATE
TRADE WINDS AND AROUND AVERAGE PRECIPITATION CHANCES, WITH
OVERALL PLEASANT WEATHER CONDITIONS. AN UPPER LOW IS FORECAST TO
PUSH WESTWARD TO THE NORTH OF THE STATE THIS WEEKEND AS AN UPPER
RIDGE REPOSITIONS IN THE NORTHEASTERN PACIFIC. THIS PROMPTS A
STRENGTHENING SURFACE HIGH TO GRADUALLY SHIFT TO THE NORTHEAST AND
CONTINUE PUSHING EASTERLY TRADE WINDS ACROSS THE STATE. MAXIMUM
GUSTS OF 20-35 KTS (PER THE ECMWF) ARE EXPECTED THROUGH AT LEAST
THIS WEEKEND. DETERMINISTIC GUIDANCE FOR THE ENTIRE PERIOD
HIGHLIGHT RAINFALL AMOUNTS IN THE 2-4" RANGE AND LOCALLY HIGHER IN
THE TERRAIN, MOST NOTABLY OVER MAUI AND THE BIG ISLAND. UPPER
RIDGING MAY BUILD BACK OVER THE REGION BY LATE THIS WEEKEND INTO
NEXT WEEK AND LEAD TO A PERIOD OF SOMEWHAT LIGHTER TRADE WINDS AND
DRIER WEATHER CONDITIONS.
SNELL
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