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Trolling with underwater lights on

Old 09-10-2019, 07:50 AM
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Default Trolling with underwater lights on

This year I started noticing many of the big sporties trolling with their underwater lights on during the day, (intentionally). I'm targeting White Marlin this time of year, and some of the best boats in the fleet have theirs on. I'm primarily seeing colored lights. Any thoughts on this (new to me) observation? How many of you troll with your underwater lights on, and what color do you use?
Old 09-10-2019, 08:51 AM
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Sub'd. Interesting
Old 09-10-2019, 09:54 AM
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I guess anything to attract more fish
Old 09-10-2019, 10:37 AM
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I started a thread about trolling in the dark for bigey & asked the question underwater lights on or off & most replied off
Old 09-10-2019, 10:48 AM
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Our are always on cause we forget them. I don’t notice a difference at all.
Old 09-10-2019, 12:34 PM
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If youre using lures with mirrors in them and in gin clear water, it might have do something for you. If youre in the northeast gross brown water, I doubt it does anything.
Old 09-10-2019, 01:11 PM
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Originally Posted by WPBTH View Post
If youre using lures with mirrors in them and in gin clear water, it might have do something for you. If youre in the northeast gross brown water, I doubt it does anything.
We are not in Palm Beach, but the water is far from brown in the Canyon's here. Water that far out is spinning off an Eddy of the Gulf Stream. Most days it is gin clear, and this year it has been unbelievably cobalt blue on most of our trips. 80 degree clean, blue water is not unusual for August in our Canyons. For billfish fisherman like myself, we are looking at the Chloro charts for clean water, vs. the temperature charts that show mostly warm blended water for most of the season from July through September.

The underwater lights on is something I have just started seeing this year. I've only got white light lights, so color is not an option. But it seems it might make sense to draw a billfish into the spread, as they would certainly be visible from a substantial depth.
Old 09-10-2019, 01:29 PM
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Originally Posted by cobraarvey View Post
We are not in Palm Beach, but the water is far from brown in the Canyon's here. Water that far out is spinning off an Eddy of the Gulf Stream. Most days it is gin clear, and this year it has been unbelievably cobalt blue on most of our trips. 80 degree clean, blue water is not unusual for August in our Canyons. For billfish fisherman like myself, we are looking at the Chloro charts for clean water, vs. the temperature charts that show mostly warm blended water for most of the season from July through September.

The underwater lights on is something I have just started seeing this year. I've only got white light lights, so color is not an option. But it seems it might make sense to draw a billfish into the spread, as they would certainly be visible from a substantial depth.
what do you consider substantial? You need some serious lumens to be able to see them deep. Bluefins make a 10k lumen light (at least they claim). I think my lumitecs seablaze are 4k. I can see them 30ft behind the boat in the Bahamas, and I have 4. If Im bill fishing I have the kites up. So I cant really answer. I will say its good to keep them on to burn the growth off of them. I have 3 years in the marine led industry and Ive heard this questions more than a few times.
Old 09-11-2019, 09:35 AM
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Originally Posted by WPBTH View Post
what do you consider substantial? You need some serious lumens to be able to see them deep. Bluefins make a 10k lumen light (at least they claim). I think my lumitecs seablaze are 4k. I can see them 30ft behind the boat in the Bahamas, and I have 4. If Im bill fishing I have the kites up. So I cant really answer. I will say its good to keep them on to burn the growth off of them. I have 3 years in the marine led industry and Ive heard this questions more than a few times.
I have a pair of Bluefins on my boat and they are incredibly bright. I don’t target bill fish and never troll with them on. I only use mine on the night chunk
Old 09-11-2019, 12:17 PM
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We troll with ours on and I've been on tournament winning boats that do the same.

My Theory: The lights (white or blue) shoot through the white wash and from behind, below, and/or slightly behind and below the white water moves and spins randomly allowing clear views of the lights from time to time. From a distance that would appear like a flash of light that comes and goes as the white water swirls and exposes it in a random pattern. This flashing light helps build on the theory that fish come into the spread investigating the boats noise and wake, thinking it's a school of bait fish. When arriving on scene they come across the stragglers of the school (your lures or dead skip baits). So working on this theory, I keep ours on hoping for that last little edge, small as it may actually be, helps to find just one more Blue Marlin.
Old 09-12-2019, 03:05 PM
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Originally Posted by Brinkley View Post
We troll with ours on and I've been on tournament winning boats that do the same.

My Theory: The lights (white or blue) shoot through the white wash and from behind, below, and/or slightly behind and below the white water moves and spins randomly allowing clear views of the lights from time to time. From a distance that would appear like a flash of light that comes and goes as the white water swirls and exposes it in a random pattern. This flashing light helps build on the theory that fish come into the spread investigating the boats noise and wake, thinking it's a school of bait fish. When arriving on scene they come across the stragglers of the school (your lures or dead skip baits). So working on this theory, I keep ours on hoping for that last little edge, small as it may actually be, helps to find just one more Blue Marlin.
Thanks for the input. That is exactly what I was looking for, and probably the line of thinking of the Captain's/boats I've seen with them on this year. I saw one of the more well know boats in these parts trolling with his blue lights on several times this year, and knew it was intentional. Since he catches the most White Marlin (over 200 during the season last year) I figured it might be worth investigating.

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