Cryptic crossword clue
It currently makes western Scotland more temperate 4,6

The most common and most likely answer to this crossword clue is the 4 plus 6 letter word GULF STREAM

I've seen this crossword clue in The Guardian
G
U
L
F
S
T
R
E
A
M

Buddy explains!

The straight part
We know that "I/t currently makes western Scotland more temperate" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case i/t currently makes western scotland more temperate = gulf stream.
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.

Latest crossword clues with full explanations