Air pressure: Look at air pressure is ground air pressure or sea level pressure the best for fishing. I look at a app and there is a big difference in the reading, which one should I...

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Air pressure

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Mar 19, 2022 11:13:52 #

butchS Loc: MN

Look at air pressure is ground air pressure or sea level pressure the best for fishing. I look at a app and there is a big difference in the reading, which one should I be looking at?

Mar 19, 2022 11:20:12 #

nutz4fish Loc: Colchester, CT

butchS wrote:

Look at air pressure is ground air pressure or sea level pressure the best for fishing. I look at a app and there is a big difference in the reading, which one should I be looking at?

Wouldn't that depend on WHERE you're fishing ?

Mar 19, 2022 11:25:04 #

charlykilo Loc: Garden Valley Ca

nutz4fish wrote:

Wouldn't that depend on WHERE you're fishing ?

Altitude and weather determines pressure.

Mar 19, 2022 11:42:50 #

butchS Loc: MN

where i am sea level is 30.1 and ground is 29.27 I don't know which one to use.

Mar 19, 2022 12:41:10 #

ripogenu Loc: norfolk, MA

butchS wrote:

where i am sea level is 30.1 and ground is 29.27 I don't know which one to use.

what's more important than the actual number is whether it is rising or falling.

Mar 19, 2022 13:36:46 #

Billbeck Loc: Hull, Massachusetts

I do not know myself, but I hear NFL Commissioner Roger Goodell is an expert on air pressure, regardless of the science. (giggle, giggle)

Mar 19, 2022 13:42:06 #

charlykilo Loc: Garden Valley Ca

butchS wrote:

where i am sea level is 30.1 and ground is 29.27 I don't know which one to use.

Please explain this

it does not compute.

Mar 19, 2022 15:36:32 #

Barnacles Loc: Northern California

charlykilo wrote:

Please explain this

it does not compute.

If you're way up in the mountains, some of the atmosphere is below you and not piled on top of you making pressure. Sea level pressure is higher than ground level pressure except in places like the dead sea and Death Valley, where you can be BELOW sea level with even more atmosphere above you.

Not that it has anything to do with what we're talking about: pilots set something called 'altimeter setting' into their altimeters. That's what the pressure at your location WOULD be if you were at sea level. Again, that has nothing to do with what we're talking about. Just pointing out that there are enough angles for looking at air pressure to make your head spin!

Mar 19, 2022 15:48:13 #

charlykilo Loc: Garden Valley Ca

Barnacles wrote:

If you're way up in the mountains, some of the atm... (show quote)

Yes but. What the pressure where you is , is what the pressure is and where ever you are is what the pressure is. In other words that sea level / ground level is useless unless you are at that spot. The only reason to want to know is if it is rising or falling.

Mar 19, 2022 21:36:24 #

Slimshady Loc: Central Pennsylvania

I don’t think that pressure matters. What matters is whether or not the fish are biting

Mar 20, 2022 09:35:27 #

Whitey Loc: Southeast ohio

Slimshady wrote:

I don’t think that pressure matters. What matters is whether or not the fish are biting

Hahaha 👍

Mar 20, 2022 12:12:31 #

butchS Loc: MN

I see that air pressure is a bad question not too many people know anything about it. I see you can buy fishing pressures but I just don't know if it is ground or sea level. Underground weather uses sea level.

Mar 20, 2022 12:26:46 #

charlykilo Loc: Garden Valley Ca

Barometers read the pressure at it's location. And only that position.

Mar 20, 2022 14:15:06 #