Hawaii Extended Forecast Discussion NWS Weather Prediction Center College Park MD 236 AM EDT Fri Jul 09 2021 Valid 00Z Sat Jul 10 2021 - 00Z Sat Jul 17 2021 High pressure centered at the mid-latitudes dominates the north central Pacific this weekend through next week. A tropical wave moves west away from the islands, bringing the deep layer moisture with it. Trade winds slowly increase in magnitude ahead of the surface ridge this weekend and remain moderate in magnitude through at least midweek. The somewhat moist trade flow maintains widely scattered windward terrain/mountain focused showers through the weekend and early next week. Local enhancements may occur as a tropical wave approaches and passes mid to late week. Petersen