Wierd dream about the world ending!?

ok my names kailin im 13 and last night i had a dream and i NEVER remember my dreams but i remember every part of this oue and it felt real. ok so this was my dream....there was a tsunami. and then i heard trumpets and heard a loud deep voice that said the time has come for me to end the earth! and me my mom brother dad and grandparents looked at eachother with a worried look. then i was alone on a hill where it was calm and no one was around me but when i turned around i saw god and he talked to me and told me not to be affraid and that i was goin to heaven shourtley to be with my grandmother agin shes been talkin about u he said. then everything went black then i woke up.i didnt remember anything until i looked into the river where i live i dont know y i had a dream like that.pls tell me i dont want to ask anyone cuz they might make a rude comment like that stupid or ur crazy. pls answer honestly though! i rlly need somones opinoin on this!