Mid-Atlantic · named fishing ground

Baltimore Canyon

A Mid-Atlantic canyon on the shelf edge — yellowfin, bigeye and white marlin where the Gulf Stream eddies meet the break.

SST 77°F · charted 300 ft · NOAA-designated EFH here
NOAA ENC + BlueTopo seafloor relief — the same layers as pressing Fish in the app. Toggle layers above; tap the map to pan.
Open on the live nautical chart →

What's biting here — right now

Yellowfin Tuna identification illustration
Yellowfin Tuna100
In season (Jul)
SST 77°F in the prime band (72–84°F prime)
Charted 300 ft suits this species (197–4920 ft ideal)
No strong temperature break nearby
In NOAA-designated Essential Fish Habitat
Troll skirted lures on blue-water edges, rips and canyon walls; chunk at night.
Mahi-Mahi identification illustration
Mahi-Mahi100
In season (Jul)
SST 77°F in the prime band (75–86°F prime)
Charted 300 ft suits this species (131–6560 ft ideal)
No strong temperature break nearby
Better near weedlines and floating debris, not bottom structure if you can find it
Run and gun to weedlines, boards and birds; pitch ballyhoo or jigs.
White Marlin identification illustration
White Marlin84
In season (Jul)
SST 77°F in the prime band (75–82°F prime)
Charted 300 ft suits this species (328–6560 ft ideal)
No strong temperature break nearby
Troll naked ballyhoo with dredges over 50-100 fathom lumps and edges.
Bluefin Tuna identification illustration
Bluefin Tuna42
In season (Jul)
SST 77°F outside preference (59–72°F prime)
Charted 300 ft suits this species (82–656 ft ideal)
No strong temperature break nearby
In NOAA-designated Essential Fish Habitat
Troll, chunk or jig where bait stacks on temperature breaks and ledges.
Weakfish identification illustration
Weakfish5
In season (Jul)
SST 77°F workable (63–77°F prime)
Charted 300 ft marginal for this species (10–49 ft ideal)
Soft plastics or bloodworms on channel edges at dusk; light tackle.
Shortfin Mako identification illustration
Shortfin Mako5
In season (Jul)
SST 77°F outside preference (63–72°F prime)
Charted 300 ft suits this species (131–1640 ft ideal)
No strong temperature break nearby
Chum slick on temperature breaks near bait concentrations.
Spanish Mackerel identification illustration
Spanish Mackerel5
In season (Jul)
SST 77°F in the prime band (68–82°F prime)
Charted 300 ft marginal for this species (10–66 ft ideal)
Small shiny spoons cast or trolled fast through surface bait showers.
Cobia identification illustration
Cobia5
In season (Jul)
SST 77°F in the prime band (70–84°F prime)
Charted 300 ft marginal for this species (26–131 ft ideal)
Better near structure or edges if you can find it
Sight-cast jigs or eels to fish on buoys, rays, wrecks and channel markers.
Bluefish identification illustration
Bluefish4
In season (Jul)
SST 77°F workable (64–75°F prime)
Charted 300 ft marginal for this species (7–98 ft ideal)
Metal lures or poppers through bait schools and birds; wire leader.
Scup (Porgy) identification illustration
Scup (Porgy)2
In season (Jul)
SST 77°F outside preference (55–73°F prime)
Charted 300 ft marginal for this species (26–131 ft ideal)
Better near structure or edges if you can find it
Small hooks with squid or worms over hard bottom and mussel beds.
Atlantic Bonito identification illustration
Atlantic Bonito2
In season (Jul)
SST 77°F outside preference (63–73°F prime)
Charted 300 ft marginal for this species (16–131 ft ideal)
No strong temperature break nearby
Trolled small feathers or cast metals around bait; moving water.
Summer Flounder (Fluke) identification illustration
Summer Flounder (Fluke)1
In season (Jul)
SST 77°F outside preference (59–72°F prime)
Charted 300 ft marginal for this species (26–131 ft ideal)
Better near structure or edges if you can find it
Bucktail + strip bait drifted over sand near channel edges and structure.
Live habitat-envelope scoring at this exact cell — SST, charted depth, charted structure and seabed, NOAA-designated habitat. The same engine and cards as tapping the spot in Fish mode.

Water temperature — last 10 weeks

2026-05-13 → 2026-07-22 · 53–77°F

Best months here

J
F
M
A
M
J
J
A
S
O
N
D
Species in season by month for Mid-Atlantic (from the knowledge base). In season now: Bluefish, Summer Flounder (Fluke), Black Sea Bass, Scup (Porgy), Weakfish, Atlantic Bonito, Bluefin Tuna, Yellowfin Tuna, Mahi-Mahi, White Marlin.
Other grounds in Mid-Atlantic
Reuse welcome with attribution. Weekly regional report: Mid-Atlantic · Feed: RSS · all US grounds: /fishing.