I am not an experenced diver i have proabily 10 dive under my belt. My question is after i surface i fell sick to my stomach and i get a little dizzy and i fell like i have to throw up. I did two dives today one at 60 ft for 30 min with a SI of 1hr 45 min my second dive 45 ft for 30 min both dives i did my safety stops but my second dive i stayed for a few minutes longer which seemed to help easy my sickness. what could be the problem and what can i do to get rid of this felling