[header] How to make a surfboard [title] Pick a suitable workspace that can handle some permanent damages. [step] You need a space that's both large and well ventilated. [substeps] Working outside is a plus when it comes to ventilation, but an indoor facility with 3 perfectly placed fluorescent lights will show flaws in your shaping so you can catch them early on. 
This is a weather dependent project if you work outdoors. Know that you won't be able to do any work in the rain, snow, or even in the wind.