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JAVELINA51 · Joined: 01 Jan 2009 Posts: 5

Does high pressure vs. low pressure warrant any differences in fishing?

Tide Runner · Posted: Thu Jan 15, 2009 1:25 am Post subject:

Javelina51. In theory, a dropping pressure brings on a feeding activity and a rising pressure turns off feeding. A low pressure seems to move the fish into deeper water and a higher pressure tends to move the fish into more shallow water. 30 inHG or 1016 millibars is considered to be normal air pressure. In normal weather, 30.5 is considered high, and 28.5 is considered extreme low.
Frankly, given that the pressure of water depth is such a significantly greater factor than the pressure of the atmosphere, it seems likely that the weather conditions created by changes in barometric pressure, such as clouds, rain and wind have more effect on fishing than the barometric pressure alone. So, barometric change is a good indicator of fishing change, but it's not because of the pressure change by itself, as much as what other weather conditions are likely to occur because of the change.
Go to www.thefishingnut.com/link/barometer.html for more descriptive information. I myself am about a 50/50 believer in this theory as I've had good days when the fish were most likely "not to bite", but had a slow day of catching. I'm sure other members would be happy to help you with this subject. Good Luck Fishing. Smile

Bob

ironmanstan · Posted: Thu Jan 15, 2009 4:57 am Post subject:

The lower the barometer the better the fishing, Not saying you won't catch fish on a high one. I'm just saying its better on a low one.
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texmike · Posted: Thu Jan 15, 2009 7:41 am Post subject:

So IMS if I keep my barometer low in my boat the fishing will be better? Got to try that.

I'm bored can you tell? Wink

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HighTide · Posted: Thu Jan 15, 2009 8:11 am Post subject:

Read up on the internet. There are tons of sites dedicated to that topic. The majority of the sites do indicate that a falling pressure indicates the best activity. The majority of the sites indicate that too high or too low or too stable pressure are not good. I ignore all that and go fishing anyway. I have found that some of my best and some of my worst fishing trips were in total contradiction to barometric pressure. Then there's the fishing calendars which take the moon and tides into consideration. Those don't seem to matter too much either. A moving tide is about the only thing that matter. Sometimes they'll only bite on an incoming, sometimes on an outgoing. You can never tell. Just get out there and fish long enough to cover most situations. I've spent a lot of time reading and researching all those factors and at this point, you can't rely on any one single factor to tell you how to predict your fishing success or lack thereof.
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If changes in barometric pressure cause your joints to hurt, do pilots and divers have a lot of joint pain?

Capt Mike Singleterry · Full Grown Flour Bluffian Joined: 07 Mar 2006 Posts: 2728

Well here is how I have found that the barometric pressure affecting
fishing over the years. High pressure and a moving pressure (going up)
put the fish (trout) in deeper water. I feel the best barometric pressure range for fishing is 29.85 to 29.95 somewhere in that range but stready is good. In our area trout are more affected than other types of fish by pressure. The reason for this is something I'm sure only a few people on this board know and I don't share with many people.
I'm sure there are alot of different opinions about barometric pressure
and fish have been caught on all types of barometric pressure readings but these are just a few tips that I have experienced over the
years.
Don't forget there are alot of other things that nature presents that can
affect your day of fishing barometric pressure is just one.
It might take a little time but just go fishing and try to learn what is going on around you. You'll be a better fisherman and person for it.

Mike

JAVELINA51 · Joined: 01 Jan 2009 Posts: 5

Thanks for the information. I will try this theory out this weekend. Good luck to all.

Netboy · Posted: Thu Jan 15, 2009 3:39 pm Post subject:

I argee with Capt Mike that trout are more effected by barometric pressure. It doesn't seem to effect reds at all as I have had my best days on reds right after a cold front with very high pressure. Reds also don't seem to be effected by cold as much as trout.

I wonder if the reason that trout are more effected might have something to do that big white swim bladder thats inside em???

Capt Mike Singleterry · Full Grown Flour Bluffian Joined: 07 Mar 2006 Posts: 2728

Netboy.....you are one of only a handfull of people I know that has taken the time an made the effort to figure that out. I'm impressed.
Most people just clean them and never pay attention to the when and why.
Very Happy

Mike

robul · Full Grown Flour Bluffian Joined: 26 Jun 2007 Posts: 2677

Capt Mike Singleterry · Full Grown Flour Bluffian Joined: 07 Mar 2006 Posts: 2728

Sometimes just paying attention to the little things can really help. Idea

Mike

kweber · Posted: Thu Jan 15, 2009 7:53 pm Post subject:

to me barometric pressure is in direct corelation with corespondense to pressure on a certain bank account, firmnest of the the bank, pressure on the bank pres, tire pressure, pressure applied by my signifecent other, sinus pressure and how hard I press the esposa to try to see if fish may or may not be in the mood for a pressure change
so I usually just get some beer and fish when I can..... Rolling Eyes

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Netboy · Posted: Thu Jan 15, 2009 8:42 pm Post subject:

Thanks Capt Mike.
I've been at this game for the last 50 years and I always wondered why the trout I have caught in the winter were all bruised up on the bottom side. My thoughts are that they have trougle equalizing the pressure change in their swim bladder and sorta burrow down on the bottom until it equalizes. Some of the biggest trout I have caught during winter actually had mud stuck to their undersides. Never see that any other time of the year.

frayed · Posted: Thu Jan 15, 2009 9:05 pm Post subject:

Hats off to you guys. Awesome stuff.
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Get Busy

Capt Mike Singleterry · Full Grown Flour Bluffian Joined: 07 Mar 2006 Posts: 2728

Netboy it sounds like we been playing the same game for about the same amount of time. I was very lucky and was taught alot by some of the old commercial guys years ago. The Barometric Pressure and the full moon are two thing that I really key on. Both seem to really help me determine how and where I'm fishing at any given time of the year.
I know you have seen it Netboy but the next time someone on the board wants to learn something take a look at the size of the bladder on a trout
the next time you clean one, almost 1/2 the body size. Alot larger than
a redfish or drum the same size. "Pressure Sensitive" I guess would be the best term.

Mike