Aloha Kakou,
here are 3 reputable organisations to send donations directly to.
They cover a range of areas of expertise & focus, so follow your heart  with which calls to you. 
They are all local ‘boots on the ground’.

Maui Rapid Response
https://www.kanuhawaii.org/maui-wildfire/
Local people doing what’s needed to assist everyone impacted

Hawaii Animal Rescue Foundation (HARF)
https://hawaiianimalrescue.org A no kill shelter providing much needed assistance for all displaced & injured animals https://www.facebook.com/HARF.Dogs (for donations outside US & Canada)

Pacific Birth Collective
https://pacificbirthcollective.org providing assistance to pregnant women, babies & young children

Pacific Birth Collective supports choice for birthing families and respect for tradition and culture of Hawai’i which includes advocating for the acknowledgment and perpetuation of rich and diverse birthing practices that have been widely practiced across these islands for thousands of years.