The Eastern Bay of Plenty has been battered by severe weather, with surface flooding, downed trees and widespread power outages.

Residents in and around Whakatāne were urged to stay indoors today as contractors dealt with fallen trees and debris blocking roads.

"We have safety concerns with tree debris blowing around on Domain Road, and there is a tree down in The Strand, which has apparently damaged a car," Whakatāne District Council said in an earlier Facebook post.

"People should stay away from these areas and stay inside until the wind drops."

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Manawahe Rd, just past Caverhill Rd was blocked for some time but has since reopened. Braemar Rd and Kōhī Pt have been cleared of fallen trees.

Eastbank Rd remains closed as Horizon Networks tend to fallen power lines.

At one point, nearly 5000 customers were without power but Horizon Networks said power had since been restored to 2980 customers.

It attributed the widespread outages to the severe weather.

"Due to the treacherous conditions, access to the network is limited however we will continue to restore supply to customers as the conditions allow.

"Horizon wishes to advise customers that initial damage reports indicate that some customers may remain without power overnight."

Horizon Networks owns, manages and operates the electricity network serving the Eastern Bay of Plenty region.