Hawaii Extended Forecast Discussion
NWS Weather Prediction Center College Park MD
357 AM EDT Mon Jul 24 2023

Valid 00Z Tue Jul 25 2023 - 00Z Tue Aug 01 2023

A reasonably strong surface high will meander well north of Hawaii
around 40N latitude through the week. The influence of this high
will lead to persistent generally breezy easterly trades through
the next week, with perhaps minor variations in speed from day to
day. After some enhanced moisture exits the state early Monday, a
drier trade wind pattern looks to set up with a few showers in
favored windward/mauka areas through much of the week, other than
perhaps a slight increase in moisture around Tuesday-Wednesday
that could provide a little more support for showers. But general
ridging aloft should provide an inversion aloft to keep showers
shallow. By late week into the weekend, a trough axis may set up
over the western islands, which could lead to increased moisture
drawn north. Model guidance does not really show that yet but this
will continue to be monitored.


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