Hawaii Extended Forecast Discussion NWS Weather Prediction Center College Park MD 103 AM EST Sun Nov 28 2021 Valid 00Z Mon Nov 29 2021 - 00Z Mon Dec 6 2021 The upper level trough axis that is initially north of Hawaii is forecast to evolve into a closed low just east of the Big Island by Monday morning, and then slowly drift westward through Thursday, accompanied by an inverted surface trough. This low should become absorbed by another upper trough dropping southeastward from the North Pacific by the end of the week. The ECENS is farther west than the GEFS mean by next weekend regarding the placement of this next trough. In terms of sensible weather, prospects for more organized rainfall increase by Tuesday and lasting through Thursday as the disturbance lingers across the region. A second round of unsettled weather is likely by next weekend as the second trough advects copious tropical moisture northward across the state ahead of the cold front. Variable trades are expected through much of the upcoming week, with gusty northerly winds across the western Islands behind the front by next weekend. Hamrick