According to wiki there is a nice explanation about weakness of Devil fruit. I would like to highlight few points which might help you.
Oda stated in an SBS that Devil Fruit users are susceptible to all
types of water, not just seawater.
This includes the white sea surrounding Skypiea. He elaborated on
this, saying that "moving" water, like rain or waves, does not weaken
Devil Fruit users, while standing water does. This was also shown
first when Monkey D. Luffy was in the Dance-Powder induced rain and
did not feel his power slipping away, and again when on Zou, the sea
water that Zunisha used to shower did not affect him despite being sea
water as it was "moving" water.
So the main conclusion which is given in wiki that:
Devil Fruit user will not be restricted in the water if he or she is not physically touching the water.
So according to me it might affect as long as devil fruit users are physically touching them.
Luffy and Brook losing strength as a result of being submerged in water.