°C/bar/m change

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Jul 29 2012 #40

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profile picture of Alex M. 16.1m, 41mins, Granthall Wreck (Porteau Cove, BC)

seawater, 11°C (bottom)

shore dive


2nd dive with Vancouver's "Diving Locker" Saturday drop-in dive, this time swimming out to the Granthall wreck (an artificial reef). Again, close to no visibility in the top 3m layer of the water (which was also nearly pure freshwater). Reasonable visbility below that (~10m?). Granthall lies between 5 and about 18m depth, so it's very easy to dive around it - would be even possible to penetrate the wreck (mostly the hull is left), but i'm not trained for that. Flashlight would have been useful.

Photos (7)

Dive profile

depth profile of Alex's Porteau Cove, BC dive

Duration: 41 minutes, maximum depth: 16.1m, average depth: 10.4m


profile pic of Alex M.

Alex M.

50 dives • 174 photos

Alex did this dive on Jul 29 2012 in Porteau Cove, BC (at Granthall Wreck), went in at 20:35, reached a maximum depth of 16.1m, and surfaced after 41 minutes.


Porteau Cove map (overview) Porteau Cove map (region) Porteau Cove map (detail)

Porteau Cove, British Columbia, Canada


none listed

Air Consumption

10.7 liters

16.9 l/min SAC

184bar start pressure

47bar end pressure

21% oxygen (air)