Fluke Rebounding and Weakfish Showing as Full Moon Arrives in Delaware Bay

What's biting

What's next

The full moon on June 30 sets up the strongest tidal push Delaware Bay will see all month. For weakfish, the species most synonymous with the lower bay's character, strong moon current through the channels is the trigger that can flip a sluggish bite into a reliable pattern. If the fish Grumpys Tackle has started spotting are a leading edge, a push of larger trout could settle into position through the first days of July. Plan after-dark or pre-dawn sessions on channel drops for the best shot.

Fluke action should hold or improve heading into the July 4th weekend. OTW Northern New Jersey noted as of June 25 that the ocean bite was recovering after an upwelling temporarily set it back; bay-side fluke typically stabilizes within a few days as coastal water temperatures normalize. Work bucktails tipped with Gulp or paired with live killifish along channel edges and sand-to-grass transitions for best results.

Striped bass fishing has been described as decent on NJ beaches (OTW Northern New Jersey, June 25), and surf clam rigs have been the move per Grumpys Tackle. In the lower Delaware Bay, bass tend to pull off the shallows and gravitate toward channel drop-offs as early-July heat builds. Dawn and dusk windows will increasingly outperform midday through the holiday weekend.

Bluefish are a near-certainty through July 4th. Fishermans HQ LBI reports blues active in bay and inlet areas, and full-moon tides often trigger dawn feeding blitzes when they intercept bait schools in the shallows. Wire-leader poppers and metal jigs produce quickly when birds start working the surface.

For anglers with offshore range from lower-bay inlets, Blue Chip Sportfishing is reporting sea bass limits on nearly every trip and a wide-open shark bite, with mako releases recorded. Blue crabs remain productive off local docks and shallow bay structure per Grumpys Tackle, a solid fallback if July 4th weekend wind makes boat runs unattractive. Confirm crabbing size and possession limits with NJ Fish and Wildlife before heading out.

Context

Late June is a transitional moment in the Delaware Bay fishing calendar. The spring striper migration, which can deliver some of the best bass fishing of the year in the lower bay, has largely concluded by now, and the fishery is shifting into its summer configuration. What fills that gap, historically, is weakfish.

Delaware Bay has long held a reputation as one of the Atlantic coast's finest weakfish destinations. The species is deeply connected to the bay's structure: they hold in deep channel cuts, feed heavily on moon tides, and were once abundant enough that late-June trips could produce limits consistently. Stocks have faced significant pressure for decades due to bycatch and reproductive challenges, which makes even the couple of fish Grumpys Tackle is reporting a positive signal worth noting rather than dismissing as incidental.

Fluke (summer flounder) fishing typically builds through July in Delaware Bay, reaching peak productivity mid-summer. The post-upwelling recovery OTW Northern New Jersey describes fits a recurring pattern: northeast upwelling events temporarily push cold bottom water up along the coast, suppressing the inshore bite for several days before conditions normalize. Late June into July is generally when bay-side fluke fishing is considered dependable.

For striped bass, late June is historically a transition period. The bulk of the spring migration has passed, but resident fish and summer holdovers remain accessible near lower-bay channels and inlet structure through early July before retreating to deeper, cooler water as August approaches.

One transparency note: direct angler intel specific to the NJ side of Delaware Bay was limited in available feeds. The sources referenced here cover central to northern NJ waters primarily. Anglers fishing Cumberland County, Cape May County shorelines, and the Cohansey River marsh edges should seek out local sources for the most precise on-the-water read on current conditions.