I am about to bottle my first maple beer,and I notice it turn cloudy today.. There was froth starting on it for the past two days. Is this normal?
If I were you I'd wait a bit. Ideally you want to be taking gravity readings so you'll know when primary fermentation is done. Then sometimes secondary fermentation will cause foam/bubbles, you'll want to let that finish. It's harder to measure, but I go with 1 week after primary and secondary should be done. And note that secondary doesn't mean you have flip fermenters, it's going to happen. Putting your beer into a secondary fermenter is a good idea to get a clearer beer, but is extra work, more risk of infection, exposure to 02, etc. I do it for some beers, but I usually let primary and secondary happen in one fermenter.
On a side note it's one of the many reasons I switched to kegging. Even if I put it into the keg a little early there is zero chance I'm going to make a bottle bomb, which can happen if bottling happens too early.