Ras Mohammed can be one of the best dives or one of the worst dives (down currents) in your life. Have dived it a lot of times (while working as a guide). Best time is end of July, August. Huge schools of snappers, ... Ras Mohammed can be one of the best dives or one of the worst dives (down currents) in your life. Have dived it a lot of times (while working as a guide). Best time is end of July, August. Huge schools of snappers, barracudas, batfish which attract sharks. Anything is possible to see there (with luck): Longimanus, Waleshark, Bullshark, blacktip reefshark and the common ones.