vs
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"It is" is a form of "it is", a phrase which is often translated as "es". "It will be" is a form of "it will be", a phrase which is often translated as "será". Learn more about the difference between "it is" and "it will be" below.
it is(
iht
ihz
)A phrase is a group of words commonly used together (e.g., once upon a time).
it will be(
iht
wihl
bi
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. estará
Don't go to the supermarket on Sunday in Spain. It will be closed.No vayas al supermercado el domingo en España. Estará cerrado.