Post-blow edge lights up Atlantis and Veatch as Georges Bank warm surge rebuilds the canyon wall

Last week's blow did what blows out here always do eventually — it stirred the pot and then handed us the best structural setup we've seen all season. Wednesday and Thursday, once the wind laid down, the shelf-slope edge east of us sharpened into a 10-degree differential, the widest break I've measured this year. That's not a subtle line — that's a wall you can practically see on the water, green-gray on one side and that deep cobalt on the other. Yellowfin piled onto the warm seam on the 100-fathom curve, and boats running the Atlantis-to-Veatch corridor found fish stacked right where that edge kissed the canyon heads. It's the kind of setup you wait all June for and don't always get.

What's coming this week matters just as much. We're sliding into the new moon — dark skies July 11-13 — which is exactly what you want for squid-light tactics after dark. No moon glow competing with your Freon lights means the squid stack up tighter under the boat, and that pulls bigeye and bluefin up out of the deep water to feed. On top of that, Georges Bank pushed a second warming surge down into our zone this week, and it's re-energized the temperature differential between Veatch and Hydrographer specifically — that gradient had gone soft after the first push faded, and now it's back to strong. Combine a rebuilding thermal wall with a dark-moon window and you've got a setup worth burning the fuel for, assuming the wind cooperates for the run out.

On the water, the yellowfin bite has been real but not a layup. Boats working the Wilmington-to-Poor Man's-style warm seam — and for us that translates to the eastern wall of Hydrographer and the flat ground between Veatch and Oceanographer — connected on 40 to 70-pound fish trolling green machines and small tuna witch doctors off a spreader bar, ballyhoo skirted behind. When the fish were up but cagey, guys switched to jigging vertical, dropping Shimano Flat-Fall style jigs and butterfly jigs down through marks holding at 150 to 220 feet, working them on a fast lift-drop cadence. That produced better than the troll on days when the fish were finicky. Nobody's filling the box in an hour — most trips I heard from put two to five yellowfin in the fish box after a full day working the edge, which for early July on the east end is a solid number, not a giveaway.

Bigeye have shown at night on the squid schools, mostly on the deep drop-back with a butterfish or squid strip on a chunk rig, weighted to sit 100 to 250 feet down off the stern. That's patient fishing — you're soaking baits in the dark, watching the sounder for that telltale hook shape holding deep, and waiting for the rod to load up slow instead of getting slammed. Worth doing if you've got the crew and the fuel to commit to an overnighter at Atlantis or Veatch, less worth it if you're trying to squeeze it into a day trip.

Bluefin have been the more consistent midshore story. The NE upwelling this week sharpened the 20 to 30 fathom breaks, and the corridor running from the Coimbra wreck ground east toward the deeper breaks off Block Island has held concentrations of school-to-medium bluefin, 40 to 80 pounds, feeding on sand eels and the occasional squid pod. Trolling small cedar plugs and green-and-yellow spreader bars through there in the morning has worked, but the better bite for a lot of boats has been sliding out after dark and running the squid lights over 20 fathoms — that's the setup the new moon is going to sharpen up further this week. If you've got a Rhode Island or Block Island departure and don't want to burn the diesel to the canyons proper, that midshore bluefin push is the better fuel math right now — an hour and a half run versus three-plus hours to Atlantis.

Wahoo have started showing on the warmer pushes around Hydrographer and Oceanographer when boats have run high-speed trolling spreads — deep-diving plungers and small wahoo bombs at 12 to 18 knots along temperature breaks holding 74 degrees or better. It's not a daily thing yet, more of a bonus fish when you cross the right water, but a couple of nice fish in the 40 to 60-pound class came home this week. Mahi have been mixed in around any floating structure or weed line inside the canyons — nothing to build a trip around solo, but a welcome fill for the cooler when they show around a lobster pot or a patch of sargassum.

White marlin haven't shown up on our side yet. The warm plume that's supposed to trigger the first flags is still building toward the mid-Atlantic canyons, and it's a 7-to-10-day watch from here — I wouldn't rig for marlin at Atlantis or Veatch just yet, but I'd keep an eye on water temps pushing north because when that plume arrives, it tends to arrive fast.

Looking ahead: if the Georges Bank warm surge holds and the dark-moon squid bite performs the way it should this weekend, I'd put my money on an overnight run to Veatch or Hydrographer for the bigeye-bluefin combo, with a Plan B of the midshore Coimbra corridor if the wind builds and shortens the window. Either way, run the edge, don't guess at it — that 10-degree wall is the whole story this week.