Hawaii Extended Forecast Discussion
NWS Weather Prediction Center College Park MD
320 AM EDT Thu Oct 17 2024

Valid 00Z Fri Oct 18 2024 - 00Z Fri Oct 25 2024

Trade winds are forecast to weaken Thursday to more moderate
levels, while a mid-upper trough approaching from the east will
cause some above average moisture to come into Hawaii, enhancing
rainfall amounts especially in favored windward locations for
Thursday-Friday. Moisture levels should return to normal by the
weekend into early next week as an upper high comes overhead,
leading to fewer showers. Light to moderate winds may increase to
solid moderate levels around Sunday-Monday or so as a surface high
strengthens well north of the state. Into the middle of next week,
upper and surface lows are forecast to get established northwest
and northeast of Hawaii, but may send fronts as far south as the
state during the latter half of next week. That aspect of the
forecast is uncertain at this point and will continue to be
monitored.

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