Hawaii Extended Forecast Discussion NWS Weather Prediction Center College Park MD 815 AM EDT Sun Mar 22 2015 Valid 00Z Mon Mar 23 2015 - 00Z Mon Mar 30 2015 Tranquil weather in the next few day will give way to another cold frontal or shear axis passage on Wednesday, disrupting the trades. Generally light precip is expected with only modest PW values between 1 and 1.25 inches ahead of the boundary. North to northeast winds will favor windward areas from the NW islands initially then drifting southeastward through the week. Upper ridging is forecast to build back into the region starting Thursday which will limit showers by next weekend. Fracasso