I will be posting information on this blog about open water swimming around Selsey in the next couple of weeks. In the meantime there is some very useful information on this site
http://www.safewatersports.co.uk/SwimmingintheSea.html
If you do get into trouble, remember - waving TWO hands in the air means you are fine and don't need assistance!! Raise one arm and shout and remember that you may not be spotted from a boat or the shore as you disappear into the dips inbetween the waves - wear a bright red, yellow or orange hat.