A High Wind Warning has been issued by the National Weather Service from 4 p.m. Saturday to 6 p.m. Sunday.
Sustained winds could reach speeds of 30 to 45 miles per hour with gusts over 65 miles per hour.
Forecasters say northeasterly winds will increase rapidly behind a weak front moving through the state. Winds will accelerate down the leeward slopes of most islands and are expected to reach warning strength from late this afternoon or early this evening through Sunday afternoon.
Winds will funnel and accelerate between the islands and leeward of mountain areas leading to much stronger than normal trades.
On Kauai, the strongest winds will be focused in leeward areas from Barking Sands to Koloa.
On Oahu, the strongest winds will be in the areas immediately leeward of the Koolau and Waianae mountain ranges and eastern locations from Waimanalo to Mokapu.
For Maui County, winds will be strongest along areas leeward of mountains, across much of Lanai and Kahoolawe, and Central Maui from Wailuku to Maalaea Harbor.
And on the Big Island of Hawaii, the strongest winds will be focused in the leeward Kohala areas, the corridor from Waimea to Kawaihae, western saddle areas, and north of Kailua-Kona in the North Kona District.
The winds will be strong enough to do damage to trees, power lines, and roofs.
In addition, anyone with outdoor plans, should be mindful that these winds will be strong enough to cause damage to tents and tarps.
It is recommended that loose outdoor items be brought in or tied down in advance of the strong winds.
For details on the High Wind Warning go to www.weather.gov/hawaii.
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