In reply to featuresforfeet:
Assuming you get sufficient experience you will have to contend with everything from aircraft carriers to day boats.
The tides are not too bad but on springs can reach 2 or 3 knots and tyou will need to factorthis in. If you are heading across to Cowes then you will need to avoid more shipping and a strong ebb tide.
Go at low water and you can have a picnic on Bramble Bank.