Full Moon Tides Fuel Stripers and Fluke in Delaware Bay's Summer Turnover

What's biting

What's next

The full moon window extends through the next two to three days, keeping tidal currents strong through Delaware Bay's main channel, the Cohansey shoals, and any structure where bait is stacking up. Dawn and dusk periods bracketing the outgoing tide are the prime windows: the extra water movement concentrates baitfish and triggers feeding from stripers holding along channel drop-offs.

On The Water's June 26 migration map confirms bigger bass are now locked onto sand eels, squid, bunker, and herring as the spring push hands off to summer. That bait load is a meaningful signal for bay boat anglers. Drifting live or fresh-cut bunker over channel drop-offs will be a strong approach through the July 4th weekend. Blue Chip Sportfishing (NJ) also notes mako sharks have entered the region following the striper fleet, a reminder that heavier leaders are worth carrying on any chunking spread.

Fluke continue their improvement trend. OTW Northern New Jersey (June 25) specifically cited a rebound after last week's upwelling event, and Capt Ron's Atlantic Highlands confirms Gulp sand eels have been the most consistent producer across recent trips. For Delaware Bay fluke, keepers are likely holding along channel edges and near inlet mouths where current concentrates small baitfish. Standard high-low rigs with Gulp or fresh squid strips are the seasonal default, with the tide-change bite delivering the best keeper ratios.

Bluefin tuna remain an offshore option for anglers with the range. Fishermans HQ LBI reports the fish pushed inshore hard on the heels of a massive squid invasion off the Jersey coast, with runs of 20 to 30 miles to the grounds. That fishery sits decidedly to the ocean side, but the squid presence is pushing bait into inshore systems and will likely keep predatory fish active bay-wide through the holiday weekend.

As summer consolidates over the coming days, expect the striper pattern to shift toward deeper, cooler structure. The shallow blitz action that defines the spring run is giving way to a more deliberate, structure-oriented bite in the channel and along the bay's deeper western edges. Plan around the strongest tidal windows now while the full moon current is still running hard.

Context

Late June is historically the hinge point on the NJ side of Delaware Bay. The spring striper push, which runs from mid-April through Memorial Day and peaks again near the June full moon, begins to ease as surface water temperatures climb into the mid-60s and fish seek deeper, cooler structure. By the July 4th weekend, bay striper action typically shifts from dense schoolie blitzes in shallow water to a structure-oriented pattern in the channel, where larger fish hold in the thermocline. Based on available regional intel, 2026 appears to be tracking that transition on a fairly normal schedule.

Fluke are right on schedule for their peak Delaware Bay season. The species floods the bay from late May through August, with the best keeper ratios typically in June and July when water temperatures sit between 63 and 70 degrees. Reports from Capt Ron's Atlantic Highlands and OTW Northern New Jersey indicate 2026 is producing a typical late-June pattern: consistent short action with quality fish mixed in on productive tidal pushes.

Weakfish, historically the defining Delaware Bay gamefish, have seen sharp population declines over the past two decades. No source in this reporting cycle mentions weakfish activity in the bay. Their seasonal presence remains plausible through July, but anglers should not expect the dense spring runs that characterized the bay in earlier eras. Check current NJ Fish and Wildlife size and possession limits before targeting them.

One regional footnote worth tracking: multiple NJ sources describe an unusually strong squid concentration off the Jersey coast this season, which has pulled bluefin tuna unusually close to inshore grounds per Fishermans HQ LBI. That dynamic is primarily relevant to ocean-side anglers, but a bait-rich year of this kind typically correlates with healthy bay forage conditions and active predatory fish through the summer months. No comparative data from prior seasons is available in this reporting cycle to quantify how unusual the squid volume is, so treat that context as informational rather than predictive.