Wroxham lost ground on the leading pack in the chase for Premier Division honours.
The Yachtsmen went down 3-2 at home to leaders Godmanchester Rovers to slip out of the top six, eight points off pole position.
Sonny Carey gave Wroxham an early lead, which was quickly wiped out, before Nathan Stewart made it 2-1 with just 14 minutes on the clock. It was all square nine minutes from time, and with four minutes of normal time remaining, Rovers snatched all three points.
Kirkley & Pakefield jumped above Wroxham into sixth with a 1-0 win at Gorleston, where Cameron Russell's 50th-minute penalty settled the issue.
Norwich United lost their unbeaten five game record with a lacklustre 2-0 defeat on a cold day at FC Clacton. In a hard-fought first half of few chances FC Clacton took the lead three minutes before the break, Wayne Chapman heading home. Liam Jackson almost squared the game three minutes later but his shot went agonisingly inches wide of the far post. The hosts doubled their lead in the 61st minute when Adam Hampson slotted home. Harry Barker and substitute Luke Middleton both went close to reducing the arrears but the hosts thoroughly deserved their win on a day the Planters would rather forget.
Thetford Town were the only Norfolk team to win on Saturday, 3-2 at bottom club Framlingham Town, which will ease their relegation concerns. Harry Hutt, Bradley Sandell and sub Robbie Priddle got the goals.
But it was a frustrating afternoon for Great Yarmouth Town, as an under-strength team went down 5-1 away to Brantham Athletic.
Town's absentees included striker Harry Draper, who had been on loan from Stevenage but has now joined Hitchin Town.
Dylan Switters put Town ahead on 40 minutes, but it was level at the break before the hosts turned on the power.
In Division One North, leaders Harleston won 8-0 at Leiston Reserves, second-placed Mulbarton were 3-0 winners at Ipswich Wanderers and Swaffham beat visiting Norwich CBS 4-0.
Struggling Diss made it three wins in a row, beating Haverhill Borough 5-0.
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