Surat Thani, Thailand (CNN) Tropical Storm Pabuk has been downgraded to a depression and is moving into the Andaman Sea after claiming three lives as it swept across Thailand, Thai authorities said Saturday.

Two elderly people drowned in Nakhon Si Thammarat, and a third person died after his fishing boat capsized in Pattani, according to Thailand's Department of Disaster Prevention and Mitigation.

The storm, which blew through outlying islands off Thailand's eastern coast Friday before crossing mainland provinces, has now reached the Andaman Sea on the western side of the country, Thai Meteorological Department spokesman Phuwieng Prakhammintara told reporters.

Pabuk made landfall Friday in the Pak Panang district of Nakhon Si Thammarat province around 3:30 p.m. (3:30 a.m. ET), with maximum sustained wind speeds of 95 kilometers per hour (59 mph), according to the Joint Typhoon Warning Center.

The storm uprooted trees, brought down power lines, flooded streets and tore the roofs off some properties but did not appear to have caused wide destruction.

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