Start online.
Webapp navionics offers free navigational data; - depths, lighthouses and wrecks. The detail can be sketchy but it is a good start.
Download Google Earth – it’s free. Now tilt the view to examine the shoreline from every angle, even from the sea. Detail ranges from brilliant to poor.
http://www.infomar.ieoffer localised maps that plot onto Google Earth and give sonar like view of the sea bed, including gullies, ravines, underwater stacks and holes – it’s so good, it should be illegal! Print all three maps. Store them in a clear plastic sleeve with a pencil for notes. Warning: Smartphone apps don’t work out in the boonies because there isn’t any signal, or certainly not enough for data!
http://www.seai.ie offer maps of potential wave and tidal energy. Detailed models exis...
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