Hawaii Extended Forecast Discussion NWS Weather Prediction Center College Park MD 734 AM EST Wed Jan 16 2019 Valid 00Z Thu Jan 17 2019 - 00Z Thu Jan 24 2019 A cold front will clip the northern Hawai'ian Islands bringing spreading showers across this portion of the state with northerly winds 10 to 20 kts on Thursday. The front will progress eastward Thursday night through Friday allowing and shower activity will accompany the front as it passes over the southern Islands. Winds will turn more northeasterly around 15 to 20 kts as surface high pressure moves into the region north of the state; becoming more easterly through the weekend and into early next week as the high shifts northeast of the state. Campbell