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Barometric Pressure

Do Barometric Pressure Changes Affect Fishing?


October 1, 2021

An angler recently wrote AZGFD with the question, "Given the recent rains we've had, do changes in barometric pressure affect fishing?" Barometric pressure changes leading up to and right after these rain events can positively affect the bite.

Studies tend to suggest that low pressure/high pressure has no statistically significant impact on catch per unit effort. But barometric pressure change (increasing and falling) do have a statistically significant impact on catch per unit effort. So if anglers have an opportunity to hit the water right before a big rain event, or in the hours following a rain event (as long as barometric pressures are changing), then these conditions can often lead to more bites. At least this is something that has held true with regards to warm water sportfish.


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