In an interview with a local radio station on the Isle of Wight, Maggie Hill from the Maritime and Coastguard Agency has appealed for the parents of the boys reported missing to get in touch.
You can listen to the interview here.
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Tuesday's weather for the west of the region
Tuesday's weather for the east of the region
The Government has previously described the new coin - which enters circulation on Tuesday - as "harder to counterfeit than ever before".