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Hawaii Extended Forecast Discussion
 
(Caution: Version displayed is not the latest version. - Issued 0745Z Jun 23, 2025)
 
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Hawaii Extended Forecast Discussion
NWS Weather Prediction Center College Park MD
345 AM EDT Mon Jun 23 2025

Valid 00Z Tue 24 Jun 2025 - 00Z Tue 01 Jul 2025

Easterly trade winds will be breezy on Monday under the influence
of a tight pressure gradient from a surface high centered 
northeast of Hawaii. This high will weaken gradually and winds 
should return to moderate to locally breezy levels by midweek and 
continue through late week and the weekend. Meanwhile aloft, a 
weak upper trough will retrograde across the state and may allow 
for a raised inversion while waves of higher moisture move 
through. This should lead to a comparatively wetter trade wind 
pattern through much of the week, especially for Kauai and 
vicinity where enhanced moisture lingers the longest. By the 
weekend a mid/upper high may sneak into at least the eastern 
islands and suppress some potential showers.

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