Smallmouth and Catfish Step Up as the Delaware Enters Summer Mode

What's biting

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**This Weekend's Timing Windows**

With a First Quarter moon and the solstice marking a definitive calendar shift, expect the best freshwater action over the next few days to concentrate in low-light windows. On the Delaware River — particularly the middle stretches from the Water Gap south through Lambertville — smallmouth bass should be most active from first light through mid-morning and again from 5 p.m. into dusk. Midday heat will push fish into deeper holes and shaded ledge areas where they become difficult to move. Save your best presentations for the cooler bookends of the day.

**Tactics for Smallmouth**

Tube jigs, crayfish-pattern soft plastics, and small 3- to 4-inch swimbaits worked along rocky bottom transitions are reliable producers at this stage of the season. Target the downstream face of mid-river boulders, current seams behind submerged structure, and shade lines along undercut banks. Early-summer smallmouth on the Delaware respond well to lighter rigs — 1/8 to 1/4 oz heads — worked slowly through the drift rather than actively retrieved.

**Catfish After Dark**

Channel and flathead catfish on the lower Delaware typically heat up through late June and July, with night sessions outperforming daytime fishing as water temps climb. Cut bait and fresh-cut fish are the go-to presentations, fished on the bottom in slower runs adjacent to main-channel drop-offs. Plan sessions from 9 p.m. through midnight for peak catfish activity this weekend as temperatures drop and fish move shallower to feed.

**Pine Barrens: Morning Topwater Window**

In the Pine Barrens drainages — Mullica, Batsto, Oswego, and Toms River headwaters — largemouth bass will hit surface presentations aggressively before 8 a.m. while the shallow, dark water is still cool. Floating frogs, hollow-body poppers, and walk-the-dog lures along emergent vegetation and under overhanging alder are the top approaches. Once the sun clears the tree line, transition to slow-fished soft plastics dropped alongside woody cover and submerged stumps. Chain pickerel remain in the system but are less active; flashy spinners near vegetation edges may still draw reaction strikes from fish holding in the shadows.

**Stocked Trout**

NJ Fish & Wildlife News notes continued stockings at designated WMA waters through the region. Shaded, spring-fed portions of stocked streams can hold fish longer into summer than open impoundments — check NJDEP's online stocking schedules for current locations before making a dedicated trout trip, and plan for early-morning sessions before water temps spike.

Context

Late June is a reliable transition benchmark for Delaware River and Pine Barrens freshwater fishing. By the summer solstice, the Delaware's American shad run — historically the region's marquee spring event, drawing fly and gear anglers from April through early June to reaches from Trenton up through the Delaware Water Gap — is effectively finished for the season. Any shad encountered at this stage are late stragglers. The post-shad window is traditionally when smallmouth bass fishing on the Delaware picks up meaningfully, as the river's food base shifts from migratory baitfish to resident crayfish and aquatic insects that concentrate along rocky structure.

No specific freshwater angler reports from the Delaware River corridor or Pine Barrens were available in this reporting cycle. The NJ regional intel this window skews heavily toward the coastal and nearshore saltwater sector — fluke, sea bass, bluefin, and surf stripers dominating coverage from local shops and captains. This is consistent with late June in New Jersey, when saltwater activity commands the most attention and freshwater conditions are assumed to be settling into a familiar summer holding pattern.

In a typical year at this date, upper Delaware water temperatures run in the upper-60s to mid-70s°F range — warm enough to stress trout in most unshaded reaches but still comfortable for bass and catfish. Flows following a wet late spring tend to run on the higher side, which concentrates smallmouth in eddy pockets behind structure rather than open riffles. Without current USGS gauge readings, the actual flow regime this cycle remains unconfirmed.

The Pine Barrens historically see their most challenging summer conditions by mid-July, when surface temps in shallow, sun-exposed ponds and slow river sections peak. Late June still offers a favorable early-morning topwater window before that heat fully sets in, making this a worthwhile last push before midsummer patterns lock in and bass retreat to deeper, shadier lies.