Blackfin tuna fishing out of Port Fourchon is mostly a natural-bottom story: the fish come up on the same trips that target snapper and grouper. Launch and marina details are on our Port Fourchon page, and biology and timing are in our blackfin tuna guide. This page covers where boats run, how the fish are caught, and who fishes for them from this port.
Where boats run for blackfin out of Port Fourchon

Blackfin here are part of a multi-species bottom catch and are never a guaranteed target. Fourchon boats fish three kinds of structure. For the wider Gulf picture (see also the Gulf of Mexico region guide), start with our regional guide.
| Ground | Type | Depth | Location note |
|---|---|---|---|
| Natural hard bottom | Natural bottom | Found with electronics | |
| Jacob Meek Reef II (ST 165) | CCA reef | 91 ft | About 45 miles south of Terrebonne Bay |
| Oil rigs | Offshore platforms | Mentioned by local captains |
Natural hard bottom
Fourchon captains name blackfin among the catch on this ground. Unnamed hard bottom is found with electronics. Chart Contours in Breakpoint shows where bottom relief sits, which helps you pick spots to look at before you run. Chart layers are not for navigation.
Jacob Meek Reef II (ST 165)

Jacob Meek Reef is a CCA reef in South Timbalier 165, the lease-block reference you see on charts. It was expanded and renamed Jacob Meek Reef II, reported in January 2025. The water is 91 ft deep, and the site sits about 45 miles south of Terrebonne Bay.
Oil rigs
Local captains mention offshore oil rigs in the Fourchon area as part of the grounds they fish.
How blackfin are fished from Fourchon

The local method is bottom fishing natural bottom, and blackfin come up on the same trips as snapper and grouper.
Bottom fishing on snapper and grouper trips
These trips are built around snapper and grouper on natural bottom, with blackfin part of the mixed catch. Treat them as a bonus on a bottom trip rather than a fish to plan the day around.
Who fishes for blackfin out of Port Fourchon
At least one Fourchon charter lists blackfin tuna among its catch.
Down The Bayou Charters
Capt. Joey Maciasz of Down The Bayou Charters, Fourchon, La., names blackfin among the natural-bottom catch.
FAQ: blackfin tuna out of Port Fourchon
Where do blackfin come from out of Port Fourchon?
They come from natural hard bottom on bottom-fishing trips for snapper and grouper. Local captains also mention oil rigs in the area.
How deep is Jacob Meek Reef II?
91 ft. It is a CCA reef in South Timbalier 165, about 45 miles south of Terrebonne Bay.
What is ST 165?
South Timbalier 165, the lease block on charts where Jacob Meek Reef II sits.
Do Fourchon charters list blackfin?
Yes. Down The Bayou Charters (Capt. Joey Maciasz) names blackfin among its natural-bottom catch.
How do you find hard bottom off Fourchon?
With electronics. Chart layers are not for navigation.
Where can I read about other tuna out of the Gulf?
See our tuna guides.





