shortboard sinking?!?!?!

hello everyone
this is my first post on this site so i hope i can get the answers i need
i am 17 and i live in New Zealand
the area i surf tends to have pretty ugly waves (dont roll much and overlap most the time)
ive been surfing for about a year now, learning on a longer board
ive recently purchased my first board a 6"0 fish, i already know i shouldnt have started on a fish, just me being stupid
anyways the problem that im having is that by the time i get up my board has sunk and the wave just rolls over me
im practicing on my stance and getting up quicker because i think that may help
im also running shitty fins that came with the board, just crappy fin plastic ones
im thinking i may need to get new ones in order to keep my speed up or something like that anyways
i would love to hear what you guys have to say as i am getting annoyed watching everyone else surfing their shortboards happily whilst im sitting there falling of or sinking,
help would be much appreciated
thanks
this is my first post on this site so i hope i can get the answers i need
i am 17 and i live in New Zealand
the area i surf tends to have pretty ugly waves (dont roll much and overlap most the time)
ive been surfing for about a year now, learning on a longer board
ive recently purchased my first board a 6"0 fish, i already know i shouldnt have started on a fish, just me being stupid
anyways the problem that im having is that by the time i get up my board has sunk and the wave just rolls over me
im practicing on my stance and getting up quicker because i think that may help
im also running shitty fins that came with the board, just crappy fin plastic ones
im thinking i may need to get new ones in order to keep my speed up or something like that anyways
i would love to hear what you guys have to say as i am getting annoyed watching everyone else surfing their shortboards happily whilst im sitting there falling of or sinking,
help would be much appreciated
thanks
