Hawaii Extended Forecast Discussion
NWS Weather Prediction Center College Park MD
347 AM EDT Wed Oct 04 2023

Valid 00Z Thu Oct 05 2023 - 00Z Thu Oct 12 2023

A land and sea breeze pattern will be in place over Hawaii for the
next couple days, as trades have diminished as a result of a weak
pressure gradient due to a surface low well north of the state
pushing a front across the Pacific and hovering north near the
islands. Clouds and any showers that form will favor that land/sea
breeze pattern through Wednesday and perhaps into Thursday. The
front looks to stall and dissipate just north of Hawaii around
Wednesday night/Thursday, with most models showing any enhanced
rainfall with the front staying to the north as well. By Thursday
and beyond, a surface high is forecast to form northwest of the
state and extend its ridge toward Hawaii, with its pressure
gradient sufficient to reform easterly trades. A hybrid trade/sea
breeze pattern looks possible on Thursday before a more typical
trade wind pattern forms on Friday and should persist through the
weekend into early next week, with any showers focused on
windward/mauka areas.

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