According to Sharm El Sheikh rules The maximum depth limit is 30 meters and the maximum ascent rate is 18 meters per minute. Because of all the different opinions we at C Fun Divers recommend that you should not dive 24 hours before your flight. And more than 12 hours if you are doing multiple dives on multiple days. Diving and Conservation Coral reefs are unique, built up over thousands of years by the activities of countless marine animals and plants. Sadly, like virtually every natural habitat, coral reefs are coming under intense pressure from pollution, collection of coral materials and overfishing.
Diving can have an impact too.
But you can help to minimise it. It is prohibited walk or anchor on any reef area. Please use marked access points. A full passport is required to enter Egypt, which must have at least 6 months validity left on it. There are 2 types of visa available for Egypt.