Captain Jack's Offshore Report - October 17, 2025 (Updated)

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This is an AI-generated report. For informational purposes only.

Bottom Line Up Front: The offshore scene is transitioning into a classic fall pattern. The strong northerly winds post-nor'easter have churned up the surface and initiated a significant thermal mixing event. This is pushing bait and predators into predictable locations. Water temperatures are dropping, but key eddies and Gulf Stream filaments are still holding fish. Focus on temperature breaks and structure.

Biologist's Perspective

The recent weather has been the primary driver of pelagic movement. The northerly winds have caused a rapid cooling of surface waters, with temperatures now in the mid-60s along the coast. However, a significant warm-core eddy is still positioned south of the Hudson Canyon, with surface temperatures in the low 70s. This feature is acting as a magnet for yellowfin and bigeye tuna. The temperature breaks on the western and northern edges of this eddy are the most productive zones. The chlorophyll charts show a distinct concentration of phytoplankton along these breaks, indicating nutrient-rich water and a healthy bait supply.

Canyon Reports

Hudson Canyon: The Hudson remains the most consistent producer. The western wall has been holding good numbers of yellowfin in the 40- to 60-pound class. The bite has been best at first light, with a mix of trolling and chunking proving effective. The key is to find the temperature breaks and work them hard. There have also been reports of some bigeye tuna being taken in the deeper water, with fish up to 200 pounds.

Toms Canyon: Toms has been a bit slower than the Hudson, but there are still fish to be had. The action has been concentrated on the 100-fathom line, with a mix of yellowfin and longfin albacore. The trolling bite has been the most productive, with small spreader bars and ballyhoo being the top producers.

Lindenkohl Canyon: The Lindenkohl has been a bit of a sleeper, but it has been producing some quality fish. The action has been focused on the 500-fathom line, with a mix of yellowfin and bigeye tuna. The chunking bite has been the most productive, with butterfish and sardines being the top baits.

Fishtails: The Fishtails have been holding a mix of yellowfin and mahi-mahi. The action has been concentrated on the 30-fathom line, with the trolling bite being the most productive. Small spreader bars and feathers have been the top producers.

Species Analysis

Yellowfin Tuna: The yellowfin are scattered, but there are some good concentrations of fish in the canyons. The key is to find the warm water and the bait. The bite has been best at first light and last light.

Bigeye Tuna: The bigeye are around, but they have been a bit more elusive. The key is to put in the time and work the deeper water. The chunking bite has been the most productive.

Mahi-Mahi: The mahi-mahi are still around in good numbers. They are being taken on the troll and on the chunk. The key is to find a good weedline or piece of floating debris.

Tactical Recommendations

Focus on Temperature Breaks: The temperature breaks are the key to finding the fish right now. Use your satellite imagery to find the breaks, and then work them hard.

Be Prepared to Chunk: The chunking bite has been very productive, especially for bigeye tuna. Be sure to have plenty of butterfish and sardines on hand.

Don't Overlook the Troll: The trolling bite is still producing, especially for yellowfin and mahi-mahi. Be sure to have a variety of spreader bars, ballyhoo, and feathers in your spread.

Fish the Tides: The tides are a major factor, especially in the canyons. The bite has been best on the moving tides, especially the last two hours of the flood and the first two hours of the ebb.

Stay safe and tight lines,

Captain Jack
 

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