Jonny Phelps was the star of the show with the bat with 91 from 55 balls and there was a good contribution from Ollie Bailey with 38 not from 18 balls.
Callum Smith (3-25) and Bailey (3-29) shone with the ball.
East Grinstead (202-5) closed the gap on leaders Preston Nomads with a 43 run win over Hastings Priory (159/6), who are now bottom.
Leo Cammish hit 89 from 57 balls before Sam Rattle took 3-23 for Grinstead.
Tom Gillespie hit 40 from 18 balls for Hastings.
Ollie Blandford took 7-34 as Three Bridges (70-5) beat Middleton (68 all out) in a low-scoring game. Matt Lee took 5-41 for Middleton.
Cuckfield v Roffey and Eastbourne v Preston Nomads were cancelled.
Bognor (115 all out) lost ground after losing to Burgess Hill (139 all out). Kirk Proto hit an unbeaten 51 for Hill while Sam Adams took 4-28 for Bognor. Jas Bassan was the star of the show with the ball for Hill, taking 6-19.
Billingshurst v St James, Preston Nomads 2nd XI v Mayfield and Roffey 2nd XI v Chichester Priory Park were all cancelled.
Other notable performances:
Division 3 West: Tom Endacott took 6-32 for Slinfold.
Division 3 East: Nicolo Fernando took 5-21 for Ifield.
Division 4 East: RMU had a thrilling 1 wicket win against Lewes Priory in a 20 over game.
Division 5 West: Aniston Padalkar hit 108 not for Horsham 2nd XI.
Division 5 Central: Sachin Patel 99 for Three Bridges 2nd XI.
Division 6 West: Kieran Hornsby hit 115 not out for Arundel. Wazoomi Wahid hit 132 for Crawley Eagles 2nd XI.
Division 7 Central: Josh Dolan 6-7 for Hurstpierpoint.
Division 8 East: Simon Dunning 118 not out for Hailsham 2nd XI.
Division 9 East: Anil Jose 102 for Little Common Ramblers 2nd XI.
Division 9 Central: Harvey Towler 5-25 for Ansty 3rd XI. Patrick Corrigan 5-29 for Keymer and Hassocks 2nd XI.
Division 10 Central: Michael Tasker took 6-49 for Ansty 4th XI.
Division 11 West (North): Chris Maguire took 5-8 for Roffey 2nd XI.
Division 11 West (South): Andrew White 114 for Eastergate. Jes Goode 6-27 for Chichester Priory Park 4th XI. Andy Murray 5-30 for Lancing Manor.
Division 12 West (North): Ross Legg 102 for Kilnwood Vale.