Blyth beat Cramlington on Saturday in a game reduced to 32 overs a side due to rain.
Batting first after being put in, Blyth opened with Asher and Carr while B Walker and Bolam opened the bowling for the visitors.
With only five on the board, Bolam dismissed Carr, caught by Bramley without scoring, and then Lawrence was bowled first ball by Bolam.
Andy Ebdale came in and the score moved on to 31-2 when Bolam took his third wicket as Ebdale was caught by Kay for 11.
Roberts joined Asher and the pair doubled the score in seven overs before the former was bowled by Black for 13.
Asher was next to go, bowled by James Parker for 41.
Meanwhile Cotterill started hitting out and hit five sixes in a row before being caught by Marshall going for the sixth six. He scored a quick 38.
Smith went for nought before Quinn and Singh pushed the score along before Bolam broke the partnership when James Parker caught Quinn for 35.
Cameron Walker went for one, bowled by Stephen Parker, then Dave Ebdale came in last man and with Singh took Blyth past their fourth batting point. Singh remained 14 not out and Ebdale was unbeaten on 13.
Cramlington bowling figures were B Walker 0-21, D Bolam 4-46, I Black 3-50, J Parker 1-41 and S Parker 1-19.
Cramlington opened with Bramley and Davison while Dave Ebdale and Asher took the ball for Blyth.
Dave Ebdale bowled Bramley for one before Hall joined Davison and the pair stood firm and slowly moved the score along.
Once again Dave Ebdale made the breakthrough when Carr caught Hall for 21.
Singh came on and with his first ball Quinn caught Davison for 14.
Seddon came in and hung around with Marshall, but with 11 runs added Walker caught Seddon off Singh for four.
Cameron Walker came into the attack and took two quick wickets as Singh caught Kay for ten then he bowled James Parker for five.
In the final over Andy Ebdale took two wickets. He had Walker caught by Carr for one and Marshall went lbw for 33. Bolam and Stephen Parker both finished unbeaten without scoring.
Blyth bowling figures were D Ebdale 2-13, W Asher 0-28, M Lawrence 0-8, S Singh 2-16, A Ebdale 2-25 and C Walker 2-6.
With the win, Blyth opened up a 46-point gap to second place Backworth, whose game at Berwick was called off due to the wet weather.
Blyth 28 points
Cramlington 5 points
Meanwhile the second team scored 131-3 at Ulgham in a game reduced to 35 overs as the home side finished on 108-9
Blyth batted first and Glass top scored with an unbeaten 45, while O’Connor added a valuable 36 before losing his wicket with one over remaining.
Ulgham were always behind in the run chase and Davison top scored with 26 as Gill and Carrighan took three wickets apiece.
Bowling figures for Blyth were K Thompson 1-17, A Gill 3-20, F Carrighan 3-29 and K Hudspith 2-30.
Ulgham 3 points
Blyth 27 points
Next weekend Blyth are away at Corbridge with a 1pm start while the second team play their last home game of the season against Kirkley seconds, also at 1pm.