The most common and most likely answer to this crossword clue is the 3 plus 6 letter word SEA BREEZE
I've seen this crossword clue in The Times
S
E
A
B
R
E
E
Z
E
More clues leading to the result SEA BREEZE
- Main task that's easy comes as a blow on the coast
- A deep breath
- A deep breath?
- Deep breath?
- Refreshing draught or a fruity cocktail?
- Doctor Spooner’s French cheese grab
- Cocktail? That’s the drink, with a piece of cake!
- Cocktail that creates a cool ambience around 6?
- See zebra bursting with energy, highland stock to grab
- See zebra running with energy — it comes over land from the water
Buddy explains!

The straight part
We know that "a blow on the coast" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case a blow on the coast = sea breeze.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.