Merrimack and Winnipesaukee bass eye the fall transition

What's biting

What's next

Expect the pattern to keep building over the next few days as surface temperatures continue their seasonal slide toward the fall turnover that larger lakes like Winnipesaukee see later in the season. As baitfish push toward remaining weed edges and open-water flats, largemouth should keep concentrating in predictable pockets rather than spreading thin across summer structure.

The First Quarter moon favors steady rather than dramatic feeding windows this week, so dawn and dusk stops at green weed edges and adjacent open water are worth prioritizing over a single big push. With the fall equinox landing Tuesday, this weekend is a reasonable window to start working the transition before it fully sets in.

Context

This timing is on schedule for central New Hampshire. Late September consistently marks the start of the fall transition here, as surface waters cool and weed beds begin dying back, concentrating baitfish and gamefish into smaller stretches of remaining cover. Winnipesaukee's depth means full turnover typically lags smaller waters by several weeks, so the shallow, weed-edge bite there should build before deeper patterns take over. The Merrimack corridor's slower-moving stretches tend to hold the transition pattern a bit longer into October.