Hawaii Extended Forecast Discussion NWS Weather Prediction Center College Park MD 800 AM EDT Fri Oct 10 2014 Valid 00Z Sat Oct 11 2014 - 00Z Sat Oct 18 2014 The global numerical models indicate that Hawai'i will remain solidly in the trades for the next week. Patchy deep-layer moisture should pass across the state from the southeast, enhancing shower activity. The operational ECMWF spits out generally a quarter- to a half-inch of rainfall over the islands--mostly in the first five days of the forecast. Favored terrain could net over three inches. Cisco