Spanish Cedar would be a good choice if available..

Since it's not spanish nor cedar but a member of the
mahogany family. Boating guys use a fair amount of
this as well as box and humidor builders.

wayner wrote:

Has anybody heard of using mahogony in a outside situation as a hand rail
????(exposed to the weather) and if you can use it, what would you use to
protect it from the weather, i.e stain, oil?