at the moment
now – used when talking about a short period of time, after which the situation is likely to change

[TahlilGaran] Dictionary of Contemporary English ▲

now at this time:
Where are you living now?
The population is much larger now than it used to be.
currently formal now – used when describing what a situation is like:
The firm currently employs 113 people.
Currently, the starting salary is around £20,000.
at the moment now – used when talking about a short period of time, after which the situation is likely to change:
I think she’s at lunch at the moment – can I ask her to call you back?
At the moment I’m working in a restaurant, but I’m hoping to go to college.
at present/at the present time formal (also presently American English) now – used when you do not expect something that is true now to be permanent:
Many areas are inaccessible at present due to heavy snow.
The official currency is the crown, presently about 30 to the dollar.
for the time being now – used when a situation is likely to change, especially because an arrangement is only temporary:
You can stay here for the time being, until you find a flat.

[TahlilGaran] English Thesaurus ▲

at the moment
now.
At the moment I'm living with my parents.

Usage notes: often used to suggest that the situation may change soon:
At the moment the flood is receding, but more rain is expected tonight.

[TahlilGaran] English Idioms Dictionary ▲