Fall transition settles over the Susquehanna and Allegheny

What's next

Expect the transition to keep building over the next two to three days as cooler nights continue pulling surface temperatures down across both river systems. That trend typically favors a longer bite window through midday rather than the tight dawn-only pattern of late summer, and it's worth working the same stretch of water at a couple different times of day to find where fish are staging.

The moon continues waxing toward full over the coming week, which should keep pulling extra low-light activity into early evening — a good excuse to plan an after-work session rather than only a dawn trip. Weekend anglers should treat this as a build week: conditions are moving in the right direction, but the sharpest bite typically shows up once the transition is a week or two further along.

Context

This timing is on schedule for late September in the Susquehanna and Allegheny basins, which typically sit at the front edge of the fall transition rather than deep into it. Cooler water and dying weed growth are just beginning to reshape where baitfish and gamefish hold, a shift that usually accelerates through October as the region moves toward full turnover. Right now conditions read as an early-transition week rather than a peak one.