Delaware Bay flounder keepers stack up before the September close

What's biting

What's next

With Delaware Bay's summer flounder season on the New Jersey side set to close September 25 per The Fisherman's DE/MD/Chesapeake report, the next few days should see effort concentrate hard on remaining legal-size fish before the door shuts. Structure-oriented tactics are already paying off — Pier 47 Marina describes working the 'snaggy stuff' edges at the Old Grounds and Reef Site 11 as the difference-maker for limits to 9 pounds, and that pattern should hold as long as bait stays stacked on structure through the Labor Day stretch.

Expect the tautog bite Boulevard Bait & Tackle is flagging — fish to 8 pounds moving onto back bay bridges and jetty rocks on green crabs — to keep building as water starts its seasonal cool-down into September. Sheepshead should track alongside it; Hands Too Bait and Tackle's double-digit fish near bridges and bulkheads on green crabs and sand fleas suggest that bite is still climbing toward its early-fall peak rather than tapering off.

Bottom species — croaker, spot, and kingfish — should stay steady into the weekend. Big Dave's Tackle has them running from the beaches out to the shipping channel, and nothing in this week's reports points to a slowdown; if anything, cooling water typically pushes more bait and bottom feeders toward the back bays through early September.

Plan around the tide cycle for the next few days — a waning gibbous moon means moderate tidal swings, favorable for working structure edges without the extreme current of a full or new moon. Anglers chasing that closing-window flounder bite should target the stronger tide stages around the EP Tower and lighthouse areas Higbee's is highlighting, since flounder there have been most consistent on moving water.

No hard weather signal is available this cycle, so check the local marine forecast before committing to a bay trip — but with multiple Southern New Jersey shops independently reporting solid flounder, tog, and sheepshead action in the same window, conditions look stable enough to fish through the extended holiday weekend. The next two to three days should look much like the last week: flounder on structure and channel edges, tog and sheepshead building on the bridges and jetties, and steady bottom-fish action for anglers fishing bait.

Context

Delaware Bay's late-August flounder run this year tracks close to a typical seasonal pattern for the NJ side, with keeper-size fish still coming from structure around the EP Tower, Old Grounds, and Reef Site 11 as the season heads toward its September 25 closing date — a schedule noted in The Fisherman's DE/MD/Chesapeake coverage. That closing date is worth flagging for trip planning, though anglers should always check current NJ regulations before harvesting, since size and bag limits can be adjusted during the season.

The tautog and sheepshead activity building around bridges and jetties is consistent with the normal late-summer-into-fall shift in Southern New Jersey, when structure-oriented species typically move inshore as water temperatures ease off their summer peak. Boulevard Bait & Tackle and Hands Too Bait and Tackle both frame this as fish 'moving closer' or 'picking up,' language that suggests this transition is arriving on a normal timeline rather than early or late.

The angler-intel feeds don't offer a direct year-over-year comparison for Delaware Bay specifically, so it isn't possible to say with confidence whether this year's flounder numbers or size structure are running ahead of or behind a typical season — only that reports across multiple independent Southern New Jersey shops are consistently describing solid, structure-driven action heading into the season's final weeks.