Well Dangerous Dave I looked for you, seems on a par with others of the same ilk!
But March.... not a good season as it is rainy season, the right handers of Bali's east coast are the place to be. But they are charging you low season rates.
be aware the water quality at this time is effect by stream runoff both in Bali and flowing down from Java.
Have the first aid kit able to deal with infected cuts and whatever you do don't swallow on wipeout.
Good news the surf won't be as crowded, that are still days of beautiful weather, the thunderstorms are unbelievable.
Canggu is somewhat out of the madness and well worth the experience.