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.
Tate