Nautical direction (4)
![Ross](/clue/static/ross-mug.min.png)
'nautical direction' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for alee that I've seen before include "On ship's sheltered side" , "Nautical term" , "On the sheltered side (of a ship)" .)
(Other definitions for avast that I've seen before include ""stop" signal" , "eleven [CEASE] at sea" , "Stop at sea" , "Stop! (naut.)" , "Hold fast! (naut.)" .)