(living list, feel free to add in comments and I'll edit when I have the time)
I am not a professional charity factchecker, please do your own research, these are just places to start. If there is something shady about these organizations, please let me know and I'll remove them, there is no need to be an asshole about it.
Direct Relief (https://www.directrelief.org/2024/07/response-underway-as-hurricane-beryl-cuts-a-devastating-path/)
Grenada Red Cross (https://grenadaredcross.gd/)