Little change over 3 hours
Stable pressure
Usually one of the easiest pressure patterns to fish because fish can settle into repeatable cover, depth, and feeding lanes.
Tactic: Run your confidence pattern, then refine by light, current, tide, forage, and recent bites.
About 1–3 hPa down over 3 hours
Slowly falling pressure
Often the best barometer for fishing. Many anglers see stronger feeding before a front when the drop is gradual, not chaotic.
Tactic: Fish moving baits first and prioritize wind-blown banks, points, current seams, grass edges, and bait schools.
More than 3 hPa down over 3 hours
Fast falling pressure
Can spark a short pre-front bite, but it also signals changing weather. Safety and wind exposure matter more than the score.
Tactic: Cover water quickly while safe, then move protected or stop if storms, lightning, or rough water build.
Climbing after a front
Rising pressure
Often tougher. Fish may pin tighter to cover, hold deeper, or feed in shorter windows after the front passes.
Tactic: Downsize, slow down, fish shade or structure, and stack your effort around warming water or current changes.
Often 30.25+ inHg / 1024+ hPa
Very high pressure
Clear, bright, bluebird conditions can make fish cautious even when the weather feels comfortable to people.
Tactic: Fish low light, shade, deeper breaks, docks, grass mats, or any ripple/current that breaks up visibility.
Often below 29.68 inHg / 1005 hPa
Low pressure
Can help shallow or aggressive activity, but unsettled weather can scatter fish and make boat control harder.
Tactic: Follow bait, birds, current, and wind lines; use vibration or scent in dirty water.