Oxford's Collocations dictionary - 10th edition - for Android mobile app (licensed).
ADVERB | PREPOSITION | PHRASES
The men waded ashore.
- across, back, out
- across, in, into, through, to
We waded across the stream.
She climbed overboard and waded back to shore.
- wade knee-deep, waist-deep, etc. in sth
Rescuers had to wade waist-deep in floodwater.
'Rescuers had to wade waist-deep in floodwater.' Why not 'Rescuers had to wade in waist-deep floodwater.'?