Best Depth and Temperature Gauges for Boats and Divers
Answering the search for reliable depth and temperature gauges, this guide highlights five top options that balance readability, reliability, and ease of use. Each product is suited to different buyers—from serious boaters needing digital alarms to divers tracking tank depth and temperature. The list includes in-dash units, transom-mounted sensors, and a handheld option for on-the-go readings. Below is a quick buying table to compare core details at a glance.
| Product | Best For | Key Feature |
|---|---|---|
| Hawkeye DT2BX-TM In-Dash Depth Sounder | Boat owners needing digital depth with temperature | 2.5–600 ft depth, transom temperature sensor |
| Faria 13752 Chesapeake Depth Sounder | Classic style with stainless look | Transom-mounted, perimeter-lit dial |
| Hawkeye DepthTrax DT2BX-TH In-Dash | Transom-fed depth with temp, newer unit | Includes temp thru-hull option |
| Faria 13852 Chesapeake Depth Sounder | White dial, stainless bezel aesthetic | Transom-mounted, white dial |
| Hawkeye DT1H Handheld Depth Finder | Portable depth with temperature on the go | Handheld, 300 ft depth |
Hawkeye DT2BX-TM In-Dash Depth Sounder With Air And Water Temperature

The Hawkeye DT2BX-TM provides uninterrupted depth readings from 2.5 to 600 feet on a large in-dash display. It supports up to 60 mph operation and includes both air and water temperature sensing. The system features a 3-stage Advanced Warning System with audible alarms, LED warning light, and LCD alarm indicators, along with one-touch alarm muting for ease of use. A transom mount temperature transducer is included with 30 feet of cable. Best for boaters who want a dependable, integrated depth and temperature readout with strong alert capabilities.
Who this is best for: boaters who prefer a single cockpit display for depth, speed, and temperature with clear alarms. Why selected: combines wide depth range, alarms, and temperature data in one installation, reducing the need for multiple gauges.
Caution: as with any transom-mounted sensor, ensure proper mounting to avoid interference with gear or wake effects. Cable length is fixed at 30 feet, which may limit some installations.
Faria 13752 Chesapeake Stainless Steel Depth Sounder

The Faria 13752 Chesapeake is a stainless steel-depth sounder with a transom-mounted transducer and a perimeter-lit black dial. Its polished bezel and blue/white graphics deliver a classic nautical look. This unit emphasizes readability in low-light conditions with a contoured white pointer for accurate depth readings. It is best for traditional boat dashboards seeking a robust, aesthetically pleasing depth gauge with temperature sensing as an optional feature in some setups.
Who this is best for: owners valuing a timeless dial design combined with durable stainless construction. Why selected: strong visual readability and a proven transom-mounted setup that fits many classic installations.
Caution: visual styling is strong, but some installations may require compatible wiring or mounting hardware that matches existing dashboards.
Hawkeye DepthTrax In-Dash Digital Depth Temp Gauge

This Hawkeye DepthTrax DT2BX-TH or DT2BX-TM model in dash offers a digital readout with both depth and temperature metrics. It includes user-friendly features like one-touch alarm muting and the option to switch between feet and meter readouts. It automatically retains user settings for convenience, which helps reduce recalibration during seasonal use.
Who this is best for: boaters who want quick, digital depth and temperature data with minimal setup. Why selected: improved memory retention of settings plus a flexible unit that supports both metric and imperial preferences.
Caution: ensure the transducer type—transom or thru-hull—matches your boat’s hull design and mounting space for accurate readings.
Hawkeye DT2BX-TH In-Dash Depth Sounder With Air And Water Temperature

This Hawkeye model includes a temperature thru-hull transducer, delivering immediate depth updates and temperature readings for both air and water. The device requires a 2-inch hole drilled in the hull for the transducer, which is a consideration during installation. It provides rapid depth data and temperature readings, suitable for deeper water monitoring.
Who this is best for: divers or boaters who need integrated depth, air, and water temperatures with a thru-hull transducer. Why selected: direct hull installation enables stable readings in heavier seas or deeper waters.
Caution: installation involves drilling a hull hole; ensure structural integrity and compliance with vessel guidelines before proceeding.
Faria 13852 Chesapeake Stainless Steel Depth Sounder

The Faria 13852 Chesapeake mirrors its stainless steel, white-dial sibling with a white dial and polished bezel. This transom-mounted depth sounder uses a white dial with contoured black pointer and blue/black graphics for readability in varied lighting. It is a steady option for boaters seeking a clean, classic instrumentation look combined with depth measurement and temperature sensing.
Who this is best for: boat owners who prefer a white dial aesthetic with stainless detailing and reliable transom mounting. Why selected: consistent performance in a traditional design language that fits mixed cockpit styles.
Caution: appearance-focused features should not overshadow the need for compatible mounting and wiring in older installations.
Hawkeye DT1H Handheld Depth Finder With Temperature

The Hawkeye DT1H is a handheld depth finder with temperature capability, offering up to 300 feet of depth reading. This portable option is ideal for divers, anglers, or boaters who need quick checks away from the dashboard. The device is compact and simple to carry, making it a flexible tool for multi-boat setups or shore-based measurements.
Who this is best for: users needing a portable depth and temperature meter for on-the-spot checks or backup readings. Why selected: portability without sacrificing essential depth and temperature data.
Caution: handheld units may require battery changes and have smaller displays that can be harder to read in bright sun or rough seas.
Buying Guide
What to consider when choosing a depth and temperature gauge
- Display type: Digital versus analog. Digital displays are easier to read at a glance and often include temperature as part of the readout.
- Transducer type: Transom-mount vs thru-hull. Transom mounts are easier to install on many boats, but thru-hull can provide cleaner readings at higher speeds and deeper depths.
- Depth range: Ensure the unit covers the maximum depth you expect to encounter and matches your boat size and operating conditions.
- Temperature sensing: Decide if you need air, water, or both temperatures and how quickly readings update while underway.
- Alarm features: Look for audible alarms and visual indicators to alert you to critical depths or temperature changes.
- Power and installation: Check power requirements and whether you need professional installation for dash units or hull penetrations.
- Maintenance: Consider sensor protection, waterproofing, and accessibility for maintenance or replacements.
FAQ
- What is the typical depth range for most in-dash depth sounders?
Most models offer readings from a few feet up to several hundred feet, with many supporting 2.5 to 600 feet. - Do these gauges measure both air and water temperature?
Many units provide water temperature and some offer air temperature readings or can be paired with separate air temperature sensors. - Is a thru-hull transducer more accurate than a transom-mounted one?
Thru-hull transducers can reduce drag and offer stable readings at higher speeds, but require hull penetration and professional installation. - Can I install a handheld depth finder on a boat?
Yes, handheld units are portable and useful as backup readings or for divers who need mobility off the vessel. - Will these gauges work at night?
Most models include backlit dials or digital displays for nighttime readability. - Do these devices alarm for shallow water or depth changes?
Many units offer multi-stage warnings with audible alerts and LED indicators for quick, in-situ alerts.