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  1. #1
    Join Date
    Jul 2011
    Location
    Northern KY
    Posts
    145
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    Barometric pressure

    I've always heard that low barometric pressure will increase the fish's aggressive feeding patterns. Does anybody keep track of this when going out on the water? Like most, I just fish whenever I get the opportunity but I've noticed this week the bite has slowed down significantly and after checking the weather for my area I saw that the barometric pressure for my area (northern ky) has been increasing lately. I know it probably has SOME affect but I was just wondering if anyone noticed this to be a consistent pattern and if so how they change their presentation to counter it.

  2. #2
    Join Date
    Jan 2007
    Location
    Knifley,Ky
    Posts
    210
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    Re: Barometric pressure

    Don't keep up with it cause I fish when get the chance to go. But I do know when all the sticks in the water are floating vertical it can be a tough bite.

  3. #3
    Join Date
    Dec 1969
    Location
    ky
    Posts
    1,115
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    Re: Barometric pressure

    same as skinny,don't keep up with it much,but if high pressure gives them a headache like it does me i can see why they don't eat.woke up this morning to pretty high blues and a throbbing headache.

  4. #4
    Join Date
    Jul 2007
    Location
    Pikeville/Lexington
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    1,362
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    Re: Barometric pressure

    I've read theories regarding this. One theory is that when the pressure is high there is more pressure on the fish's stomach which makes it get the sensation of being full and hence not apt to feed. During falling pressure or low pressure obviously the pressure is lower and the fish's stomach would feel empty making the fish more apt to feed out of hunger. Not sure if its scientific or not, but it is a theory. There is no question the barometer affects the way fish feed, why exactly this is I don't think anyone really knows.

  5. #5
    Join Date
    Jan 2007
    Location
    Louisville, KY
    Posts
    2,538
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    Re: Barometric pressure

    The scientific theories on how barometric pressure directly affects the fish doing the feeding have more to do with the supposed effect on the fish's swim bladder than its craw, but again, nobody really knows for sure. But the theory that makes the most sense to me is that the change in feeding patterns isn't the game fish reacting directly to the change in barometric pressure. It's a chain reaction that starts with what the barometric pressure does to the tiny plankton that the baitfish feed on. Those tend to rise up the water column in response to falling pressure, especially if it's dropping rapidly. The baitfish move in to feed on the destabilized plankton, and the game fish follow them. After, as Dave Stewart has posted many times, if you want to find the fish, find the baitfish, right?

    This article gives a pretty good explanation:
    http://www.arkansasstripers.com/how-...-behaviour.htm

    This article isn't as scientific, but it does give a few (VERY few) tips on how to adjust your tactics with the weather:
    http://www.lake-link.com/info/barometric_pressure.cfm

    Hope this helps.

  6. #6
    Join Date
    Jun 2009
    Location
    Campbellsville, KY
    Posts
    168
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    Re: Barometric pressure

    I'm a firm believer in the "sticks floating vertical = tough bite". Seems like every time they are like that, I have to slow down and grind out the bite.

  7. #7
    Join Date
    Mar 2009
    Location
    Brandenburg
    Posts
    52
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    Re: Barometric pressure

    I know that my best days of fishing have been shortly before and during rain, hence falling pressure. The idea that the pressure makes the fish believe it is full is pretty interesting and makes sense to me.

  8. #8
    Join Date
    Jul 2011
    Location
    Northern KY
    Posts
    145
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    Re: Barometric pressure

    I've never heard that about the sticks floating vertically. I'll have to remember to keep an eye out for that from now on. It's crazy how many little things like that can tell you exactly what type of bait you need to be using.

    And I'll second that on fishing right before and during the rain. Some of my highest numbers have come on rainy days. And one of the best things about fishing in the rain... It keeps all the not so serious anglers away so you usually get the water to yourself.

  9. #9
    Join Date
    Dec 1969
    Location
    Nicholasville
    Posts
    4
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    Re: Barometric pressure

    I rarely, if ever post, but seeing the sticks comment, I had to. I was fishing Camp Nelson on Friday morning and noticed the sticks were vertical. I paid no attention to it until I read this post. I only caught 2 small largemouths that day. In the future, I may have to go back home when I see this.

  10. #10
    Join Date
    Dec 1969
    Location
    Louisville, KY.
    Posts
    228
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    Re: Barometric pressure

    Like most, I don't get as much oppurtunity to fish as I would like. If the pressure is high and the sticks are vertical, I just downsize, slow down, and/or try to fish tighter to cover. If that doesn't work I tie on a square billed crank and bump it into everything I can find. Whether the fish have a full feeling or not I have no clue, but a reaction strike is exactly that. Put it on their nose and eventually at least a couple aren't going to be able to resist the urge.

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