San Juan Offshore Trip Yields Yellowfin Tuna and Mahi Mahi Mixed Bite

San Juan’s offshore bite is still running as a mixed pelagic grab bag, and that is the key takeaway for tuna crews deciding whether to burn fuel now. FishNSea Charters came in from an April 10 run with Captain Luis aboard a Southport 28 and finished with one-third mahi mahi and one-half yellowfin tuna, a compact report that says more about the offshore pattern than a long catch list ever could.

The ratio matters. Yellowfin were not the only game in town, and mahi mahi were close enough to keep lines stretched while the tuna bite developed. For anglers chasing tuna out of Puerto Rico, that kind of spread usually points to a spring transition offshore, when current edges, bait, and weather windows can line up just enough to produce a multi-species day instead of a single-species strike.

The San Juan grounds are still offering the full pelagic menu when conditions cooperate: mahi mahi, blackfin tuna, blue marlin, amberjack, sailfish, white marlin, yellowfin tuna, and more. That broader mix is exactly why the trip stands out. It shows yellowfin are already in the rotation, while mahi remain active enough to keep a day from going quiet if the tuna drift off the bite for a stretch.

The conditions also fit the picture. San Juan’s April pattern is still dry and pleasant, and the Friday forecast for April 10 called for low 80s and moderate winds around 12 knots. That kind of weather is the window offshore crews want to see, especially when the goal is a full-day run to cover water and work bait edges instead of guessing on a short hop.

The other signal to watch is white marlin. April is when that bite starts to pick up, and with tuna species listed among the month’s regular targets, the next 7 to 10 days look like a period when crews should expect variety rather than a locked-in yellowfin-only program. The smart move is to stay flexible, pick the calmer days, and keep an eye on whether mahi numbers hold while tuna continue to show. San Juan is fishing like a classic early spring offshore destination, and the mixed result from FishNSea suggests the pelagic season is open for business.