UK trade deficit hits record high

The news is not good. The lower £ doesn't appear to be having the expected impact
http://news.sky.com/story/uk-trade-deficit-hits-record-high-in-august-as-imports-jump-11074656

What effect has the 15% devaluation of the £ had on the current account?

Not a lot yet, it would appear; time lags in operation?
https://espresso.economist.com/c9d9edbf9b9e23eb5d4819bbcce9b078