A penalty try in the closing moments gave Jersey a bonus point as they beat Coventry 29-3.
Luke Myring's penalty had given the visitors an early lead but it was to be their only score of the afternoon.
Jersey hit back minutes later with the first of two penalty tries, before Nick Trower and Steve O'Brien touchdowns put them in a commanding position.
It was their ninth consecutive win but the islanders stay fourth in National One, while Coventry drop to seventh.
The second penalty try of the match, with minutes to spare, followed a number of scrum infringements by Coventry.
It was the third game in a row in which Jersey had clinched a last-gasp score to claim a bonus point.
Head coach Ben Harvey told BBC Radio Jersey: "We've practised playing like that in the wind and the rain, what a performance.
"That was a great gutsy effort and these lads are doing the island proud.
"This is a really, really tough league and to do what we've done over the last nine weeks is a fantastic effort."
Coventry forwards coach Dave Addleton said: "We beat Ealing last week, we played really well and we knew what Jersey were going to give us.
"We're a bit naive sometimes and we should have put the ball behind them.
"I take my hat off to Jersey, they kept the ball very well and put themselves in positions to score."