How can I find out when the lowest tide is in Brighton?

I don't mean just tide times, but a couple of times a year the sea goes out exceptionally far, leaving miles of sand to walk along. The tide websites I've gone on have information about the next few weeks, but no further ahead.

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).