It should settle out in a few days but then you should remove the water
from your tank. Do you have a fuel polishing system? If not then you will want to get a tube down to the lowest part of the tank and pump
out the water. If you don't keep your tanks
clean and clear of water it will come back to haunt you later.
Some cruisers advise pouring some fuel into a glass jar to make sure the fuel is clean and clear before
adding it to your tank.
When was the last time you cleaned your tank?