How low does the tide have to be to be able to see the remains of Walton castle of the shore of Felixstowe ?

I am wondering whether anyone has seen the remains of Walton Castle of the coast of Felixstowe at low tide. I have heard you can although I am wondering how many rocks you can see and how low the tide has to be for you to be able to see them ?

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…).