The dog Ellie, a black Jack Russell cross Chihuahua, ran from Weymouth beach and was last seen near the marina.
Her troubled owners got in touch with the coastguard the other day night, Monday, June 26, after Ellie could not be discovered in the marina location.
Wyke Coastguard Rescue Team assisted with the search in between 9pm and 11pm.
A representative for the Maritime Coastguard Association said that HM Coastguard made sure the safety of members of the public in the location who were assisting in the search.
A Wyke Coastguard Rescue Team spokesperson said there was issue for Ellie’s owner who put themselves in increasing locations of risk whilst looking for Ellie, a Jack Russell Cross Chihuahua.
There is still no indication of Ellie and her owners are desperate to discover her.
She is referred to as a friendly, however frightened and nervous dog who will react if her name is called.