Mele kalikimaka tinchao, aloha!
Nice picture, wish I was there.

I use electrical tape, I have some in the right colors, on the inside, then CA.
(That's that stuff that sticks to your fingers better than anything else in the world...)
Tougher than original, but not as good a repair as Tall Pauls idea.
You can get that glass cloth at any marine supplier, you might have to buy a big piece though!