i know that one of our admins is contacting them to let them know. also one of the people who works for the testing people was there taking notes
At the end of this link you'll find the contact information for VITEMA to advise them of issues you encountered with the testing of the tsunami sirens:
If your at the beach and you see the tide go way out, get moving to higher ground. Most people are mesmerized when they see this and sit and watch. This isn't always what happens with the tide, but it is a good predictor. Coves and locations with deep water off shore seem to be the most effected .