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A large wave breaks on the shore at Sandy Beach Saturday morning.
A high surf advisory for the east shores of all islands was extended through Friday evening.
A northwest swell promises 8- to 10-foot surf Thursday night, easing to 5- to 7-foot surf Friday morning, according to forecasters at the National Weather Service.
The advisory is in effect through 6 p.m. Friday.
Beachgoers are advised to heed all advice given by ocean safety officials.
