Re: [Paddlewise] Tidal flow for west coast of Canada

Evan Dallas wrote:
> 
> I've heard from one paddler that in addition to the local tidal currents that
> flow into and out of the various bays and inlets on the west coast of Canada
> (I'm mainly interested in Vancouver island), there is also a general tidal flow
> that runs north and south along the entire coastline.  Given the "diagonal"
> alignment of Vanc isl (i.e. running from a southeast to northwest orientation),
> I'm guessing that the large tidal swell off the coast probably pushes water more
> or less due east, which would then be diverted along the coast towards the
> southwest (due to the diagonal alignment); with the opposite happening as the
> tides pull back -- but that's purely my own speculation.  In actual experience,
> I haven't noticed much of an effect.  Does anyone have more definitive
> information (or links) that would explain this further?

The tide wave moves SW to NE (and the reverse) on the OUTSIDE of Vancouver
Island.  What happens inside VI is a mess, because the tide "arrives" at the N
end of VI from the "outside" out of phase from its arrival from the "inside" of
VI.

It ain't simple.  Best to use tide/current info specific to the location of
interest.

-- 
Dave Kruger
Astoria, OR

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