Here in Hawaii my avocado tree bloom coincides with the winds of March. As expected there's significant loss of blooms and developing fruit. But even after the winds subside the tree continues shedding the tiny fruit. I'm wondering whether there may be some organic issue causing the continued shed. If it matters the tree is what we refer to as "butter" avocado. It produces large 2-3 lb. fruit.

Do you have a second variety that flowers at the the same time? Very few varieties can self-pollinate.

If it has tiny fruits, it's being pollinated. How big/old is the tree? Does some fruit make it to maturity?

One reason avocado fruit drops prematurely is water stress (are you in a dry area of Honolulu?). Also avocados are self pruning, if there's more fruit than the tree can handle, the excess falls.

Lucy68 said: If it has tiny fruits, it's being pollinated ….

Not always so. There are several varieties that fruit parthenocarpicly.

Lucy68 said: … One reason avocado fruit drops prematurely is water stress (are you in a dry area of Honolulu?) ...

This is so true, and avos need loads of water and it must be regular.

Lucy68 said: … Also avocados are self pruning, if there's more fruit than the tree can handle, the excess falls.

Or they become trees that only bear in alternate years.

Parthenocarpic avocados would be unique but even they would mature to picking size.

The common parthenocarpic one makes small seedless fruit, nicknamed a "cocktail avocado". I am told they drop a lot af fruit.

Mahalo to you both for your input.
The tree has been in ground for 7 yrs and has produced fully mature fruit every season, the yield varies. There are other avo trees in the area so yes, pollination is occurring.
I do live on the leeward side of the island so it can be dry. Took your suggestion Lucy and watered her heavily ÿesterday. I'll be more consistent with that.
Again mahalo.