Shearwater TERN



The Shearwater Tern Dive Computer offers advanced features, robust safety, and user-friendly design, ideal for any diving enthusiast. Dive smart!

In stock





Introducing the Shearwater Tern Dive Computer, the ultimate tool for divers seeking performance, reliability, and ease of use. Designed for both recreational and technical divers, the Tern combines cutting-edge technology with a user-friendly interface. Whether you are exploring shallow reefs or navigating deep wrecks, the Shearwater Tern ensures you have the information you need at your fingertips.

Our most compact dive computer redefines diving convenience and versatility for sport divers. Incorporating a compact design with advanced features, the TERN provides an unparalleled combination of functionality and value. Its enhanced visibility, user-friendly interface, and compatibility with multiple diving modes make it an essential tool for divers seeking reliability and ease of use.

Designed and Built in Canada and depth-rated to 120 meters.

Key Features

Advanced Dive Modes: The Shearwater Tern supports a range of dive modes including Air, Nitrox, and Gauge. This versatility allows you to tailor the dive computer to suit your specific diving needs and activities.

Crisp Color Display: Featuring a high-resolution colour display, the Tern provides clear and bright information, making it easy to read your dive data in all lighting conditions. This ensures that essential information is always visible, enhancing your diving experience.

Intuitive Interface: The Tern’s user-friendly interface and easy-to-navigate menu system make it simple to customize settings and access dive data. With its intuitive design, even new divers can quickly become proficient with its operation.

Wireless Connectivity: With Bluetooth connectivity, you can seamlessly sync your dive logs to the Shearwater Cloud app. This feature allows you to analyze and share your dive data effortlessly, keeping you connected with the diving community and helping you track your progress.

Robust Safety Features: Safety is paramount with the Shearwater Tern. It includes customizable dive alerts and a 3-axis compass to ensure accurate navigation. Additionally, the Tern continuously monitors depth, time, and decompression status, providing critical information for a safe dive.

Long Battery Life: The Shearwater Tern is equipped with a rechargeable battery that offers extended dive time. This means you can focus more on your diving adventures and less on recharging.

Specifications for the Shearwater Tern


  • Air
  • Nitrox
  • 3 Gas Nitrox
  • Gauge
  • Freediving


  • Decompression computer
  • Bluetooth wireless technology
  • Switchable vibration alerts
  • Upgradeable firmware
  • 316 Stainless bezel and buttons
  • 22mm strap size with quick connect (one long and one short strap included)
  • Ballistic nylon polymer case


  • Screen Resolution: 360 x 360
  • Display Type: Full colour AMOLED
  • Screen Brightness: Minimum 300 nits. Typical at 350 nits
  • Display Size: 3.3cm / 1.3″
  • Toughened Glass Window: Yes
  • Battery Type: Rechargeable Li-ion battery
  • Battery Life: up to 20 hours (medium brightness), up to 6 months (standby)
  • Wireless Charging Station: Yes
  • Number of Gases: 3 OC
  • Depth Rating: 120m / 394ft
  • Dive Log Capacity (10-second rate): 500 Hours
  • Size (Dive Computer): Diameter – 50mm
  • Size (Dive Computer): Thickness – 16mm
  • Weight (Dive Computer): 100g


  • TERN dive computer
  • Wireless charging station with USB-C cable
  • Inspection Checklist Card
  • Product Info Guide
  • Screen Protector
  • Remora band quick release installed on the computer
  • 1 short Remora band for smaller wrists

Specifications Summary

Feature Details
Display Type High-resolution colour
Battery Life Rechargeable with extended life
Dive Modes Air, Nitrox, Gauge
Connectivity Bluetooth
Safety Features Customizable alerts, 3-axis compass
User Interface Intuitive and easy-to-navigate
Durability Robust design for demanding conditions


Additional information

Additional information