Eth0:2010 Facilities In The Area
If other geeks already bought all the beer in Wieringerwerf you can go to Medemblik, that town has another Deen and a small Spar. The Deen is open daily from 0800 til 2100, the Spar doesn't have its opening hours online. Here are directions to the Deen & Spar
If you need more ducttape, campingaz, tools, etc, there is a Fixet in Middenmeer & Medemblik. The one in Middenmeer is open from 0830 til 1900, in Medemblik til 1800. Both are open til 2100 on friday.