24 Nov.-UPDATE: 8:30 am
The previous wind advisory was expanded to include all of the Hawaiian Islands and extended through 6 a.m. Friday.
East winds of up to 15 and 35 mph, with local gusts of up to 50 mph, are expected to accompany a cold front from the island chain descending from the western end, according to the National Weather Service.
A wind advisory has been issued for the islands of Niihau, Kauai and Oahu, effective from 6 pm today through 6 am Thanksgiving Day.
The National Weather Service said northeast winds of 20 to 30 mph, with gusts up to 50 mph, are expected to accompany a cold front approaching the western end of the island chain tonight.
These strong and gusty winds will be east across the rest of the state by Thanksgiving, forecasters warned, with the greatest threat for storms in mountain ranges and leeward slopes.
In addition, exposed to the north and east of the slopes, along with the coasts, it is possible to experience short periods of strong gusts of wind, especially immediately following the passage of the front.
Strong winds this strong can uproot trees and uproot tree branches, officials warned, making it difficult, especially for drivers in high-profile vehicles.
The public should also be careful of falling tree branches when walking or driving, secure or lower tents and awnings, and prepare for power outages.
Forecasters expect a cold front to move into the Hawaiian Islands, starting with the western islands tonight, before moving east-southeast over the island of Hawaii on Thanksgiving Day.
The system is expected to generate a period of locally heavy rain in the advance, as strong northerly winds develop.
Additionally, a larger northerly swell is expected to build tonight, with a high surf warning for the beaches of Niihau, Kauai, Oahu, Molokai, and Maui, effective through Friday.
They are waiting for the great dangerous waves, 20 25 With waves that break their feet along the shores of the north.
The peak of the swell coincides with winds and northerlies, with the highest tides expected in the early morning hours of Thursday and Friday.
This could result in significant overwash problems, officials said, and large waves running north along the coast.
The public should stay away from affected beaches, be prepared for road closures, and delay entering or leaving channels affected by high surf.
Small craft advisories and storm warnings have also been issued for various waterways and waterways, with the former in effect until 6 am Thursday, while the latter in effect from 6 am Thursday to 6 am Friday.
High tides are also expected in northern ports on Maui and the island of Hawaii, starting Thursday and lasting through the weekend. Mariners using the ports of Kahului and Hilo should exercise caution within the port and when loading or unloading vessels.