2 adjectives to describe rote

It came creeping round the corners, it poured rushing up the street, it rose from everywhere,a voice, a voice of woe, the heavy booming rote of the sea.

And when weary of active amusement, they reclined on the grass and listened to the melancholy rote of the sea,the steady pulsations of its mighty heart.

2 adjectives to describe  rote