Fish Hawk TD

Fish Hawk Electronics
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Lower the Fish Hawk TD to record water temperature every 5-feet from the surface to the bottom. Locate the depth of fish by finding their preferred water temperature within the water column.   

  • Attach to a fishing line with a weight
  • Samples multiple times per second for unmatched accuracy 
  • Two operation modes
  • Determines the depth of Dipsy Divers, lead core line, and more
  • Sealed internal lithium battery provides many years of daily use
  • 300-foot maximum operating depth 
  • US Patent# US 8,875,570B2
TWO-YEAR WARRANTY Fish Hawk Electronics are fully guaranteed against any defect in parts or workmanship for 2-years from the date of purchase for the original owner. This warranty does not cover improper use, failure to maintain, accidents, or loss.
Units of Measure:
Fahrenheit/feet or Celsius/meters
2.7 ounces
Country of Origin:
Made in USA


  • 5
    Fine little device

    Posted by Tony Thorpe on 30th Mar 2021

    I coordinate a statewide group of volunteer lake water quality monitors. Many of our volunteers use these to track the depth and timing of lake stratification (or where and when the thermocline develops). They are easy to use and accurate enough for our purposes when compared to a YSI EXO3 (a fancy and expensive science doodad). I only wish the battery life were longer so we didn't have to replace the entire unit every 5 years, and would love if it could record in half-meter increments.

  • 5
    FishHawk works like a charm!

    Posted by Robert Klamt on 9th Jan 2021

    This little unit does exactly as advertised. I used to work for the water quality board and did lake surveys, so was looking for an inexpensive way to get a temperature profile to help with fishing. This does the trick. One thing to be wary of--the instructions say not to let it get below freezing. I did with my first one (left it in the truck overnight), and it died.

  • 5
    Fish Hawk TD

    Posted by Steve on 23rd Sep 2020

    This device works as advertised. Very useful for finding your target fish species favorite temperature depth.

  • 5

    Posted by Unknown on 19th Jul 2020


  • 5
    Fish Hawk TD

    Posted by Jared Schuster on 12th Jul 2020

    I used my Fish Hawk TD today for the first time. Found the sweet spot right away and caught rainbows and browns. This is a great tool.

  • 5
    Priceless tool

    Posted by D on 20th Jun 2019

    This instrument has singlehandedly helped me to catch a heck of a lot more salmon. I drop this down and find the magical 50 degree mark and begin trolling above and below this temp. This is an invaluable tool that helps you to reduce a 70 mile X 30 mile lake (Michigan) to a much smaller water by zeroing in your fishing around the temp's. BRAVO FishHawk.

  • 5
    Fish Hawk T D

    Posted by Bob Jackson on 26th May 2019

    It does everything it claims to do. Great

  • 5
    Pleasant Surprise

    Posted by Gary on 14th Apr 2018

    Yes, I was apprehensive, but... I read the instructions and followed them. Easy operation and was able to determine temperature down to 55'. Now my only concern is that my fishing line might break.

  • 5
    Fishhawk TD

    Posted by Rick Kotz on 29th Nov 2017

    Works as advertised; short, easy instructions. Makes finding the productive water column a snap. No more guessing where the thermocline is located. Temperature at depth helps identify different species based on preferred temps. Great product.

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