Friday, June 20, 2014

{Tidal Potomac Fly Rodders} Re: fishing an outgoing tide

Thanks tom -- I submit this artist's rendering to add to your last point:





On Friday, June 20, 2014 1:52:07 PM UTC-4, tom wrote:
Incoming or outgoing doesn't matter as much as where you are fishing relative to the waterflow.  As a general matter, fish hold in the dead zones near flowing water where they can feed on stuff being brought to them by the moving water.  

Many structural features can cause such a dead zone.  It can exist because of a change in depth that creates a pocket of slower moving water relative to the flowing water or it can exist via some other form of structure.  For example, think of a point with water flowing around it.  The down-flow side of the point will be calm and fish will hold there and dart into the tide to feed.  When the tide turns the flow turns and fish will move to the opposite side, again where they can hold in the calmer water and feed.  

I use the term waterflow because you see the same phenomenon in all moving water, not just water moving due to tidal changes in the Potomac.  For example, the downriver side of a rock in a trout stream will show calmer water relative to the streamflow where fish will hold, again picking off food brought to them via the current.  You see the same thing on beaches where there is a outgoing riptide or a some other feature on the floor of the ocean that causes pockets (and you can see them by reading the waves, but that's the subject of another post).  This is just nature at work trying to maximize caloric intake relative to caloric output. 

On Thursday, June 19, 2014 2:26:19 PM UTC-4, Jeff Tranguch wrote:
Hi all,

I've often heard that it's always best to fish the Potomac and it's tidal waters during an outgoing tide. Does anyone know the reasoning behind this concept? Are there certain times during an outgoing tide that are better to fish than others? (E.g., fishing as soon as the tide starts going out vs. Fishing just before it starts to come back in.)

Many thanks.

Jeff

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