A Comprehensive Guide to Choosing the Best Boat Navigation Systems

Navigating the open waters requires precise and reliable tools, and one of the most essential devices for any boater is a GPS navigator. Whether you're a seasoned sailor or a casual fisherman, having a dependable boat navigation system ensures safety and accuracy when charting courses or finding your way back to the shore. In this guide, we’ll explore different types of GPS systems, including handheld GPS units, and how to choose the best one for your boat.

What is a Boat GPS Navigator?

A GPS navigator for boats is an electronic device that uses satellite signals to determine your boat’s precise location, speed, and heading. It provides real-time data on your position and helps you plot routes, avoid hazards, and reach your destination efficiently. Unlike traditional charts or compasses, modern GPS units offer a wide range of features that enhance boating safety, such as weather alerts, route planning, and automatic course correction.

Types of Boat GPS Navigation Systems

There are several types of boat navigation systems available on the market. The most popular ones are chartplotters, handheld GPS units, and multi-function displays (MFDs).

  1. Chartplotters

    • Chartplotters are fixed-mount GPS systems that display your boat’s position on an electronic map or chart. These are commonly integrated with other marine electronics like sonar and radar, offering a comprehensive view of your surroundings. Chartplotters are ideal for larger vessels where a permanent, easy-to-read display is essential for long-distance navigation.
  2. Handheld GPS

    • Handheld GPS devices are portable units that can be carried anywhere on the boat or even taken off the boat for land navigation. These are perfect for small boat owners, kayakers, or anglers who need a versatile navigation tool. Handheld GPS units are lightweight, durable, and often waterproof, making them ideal for boating in challenging weather conditions. They are a great backup to your main GPS system and can be used for quick route adjustments or marking fishing spots.
  3. Multi-Function Displays (MFDs)

    • These sophisticated systems combine GPS navigation with other functionalities like fish-finders, radar, and autopilot controls. MFDs are the ultimate solution for boaters who want a fully integrated boat navigation system that handles all aspects of marine navigation. These systems are usually installed in larger vessels and come with high-resolution displays for detailed chart reading.

Key Features to Consider When Choosing a Boat GPS Navigator

When shopping for a GPS navigator for your boat, it's important to consider several key features that can enhance your overall boating experience:

  1. Mapping and Charting Capabilities

    • The quality and detail of maps provided by the GPS system are crucial. Look for a boat navigation system that includes preloaded charts of your local waters and offers the ability to download additional maps as needed. High-quality charts help you avoid hazards like reefs, shallow waters, and submerged objects. Systems with 3D mapping or satellite overlay can provide a more detailed view of the surroundings.
  2. Screen Size and Visibility

    • For chartplotters and MFDs, a larger screen size is important for easy reading, especially in rough waters or bright sunlight. Some handheld GPS units also come with high-resolution screens, ensuring visibility under all conditions. Look for a device with an anti-glare screen or backlight for better usability in various lighting conditions.
  3. Connectivity

    • Many modern GPS systems can connect with other marine electronics via Wi-Fi or Bluetooth, allowing integration with sonar, autopilot, or radar systems. Some devices can also connect to your smartphone, providing live updates on weather conditions, tides, and sea currents. Connectivity can greatly enhance the versatility and usefulness of your boat navigation system.
  4. Waterproofing and Durability

    • Marine environments can be harsh, so choosing a GPS navigator that’s waterproof and built to withstand saltwater exposure is essential. Handheld GPS units often boast rugged designs with rubberized exteriors, protecting them from drops, splashes, and rough handling.
  5. Battery Life and Power Options

    • Handheld GPS devices rely on batteries, so make sure you choose one with a long battery life to last throughout your trip. Some systems allow for both rechargeable and replaceable batteries. For fixed GPS units, ensure that the system can be powered through your boat’s electrical system, with backup options in case of a power failure.
  6. Route Planning and Waypoint Marking

    • Advanced GPS systems allow for route planning and the ability to mark waypoints. Waypoints can be used to mark fishing spots, marinas, or safe harbors. Some GPS navigators also offer the ability to create customized routes that take into account water depth, tides, and weather conditions.

Benefits of Using a GPS for Boats

  1. Safety

    • Having a reliable GPS navigator ensures you’re always aware of your position, reducing the chances of getting lost or running into dangerous waters. Features like collision avoidance and weather alerts keep you informed of any potential hazards.
  2. Convenience

    • Boat navigation systems simplify the process of plotting routes, finding fishing spots, or tracking your speed and heading. With real-time updates and route correction, these systems help you stay on course without needing constant manual adjustments.
  3. Improved Fishing Experience

    • Many GPS units are designed with anglers in mind, offering features like fish-finding sonar and waypoint marking for favorite fishing locations. This makes your time on the water more productive and enjoyable.

Conclusion

A GPS navigator is an invaluable tool for boaters of all types, from casual weekend sailors to serious anglers. Whether you choose a handheld GPS for portability or a more advanced boat navigation system like a chartplotter, the right GPS device will help you navigate safely, efficiently, and confidently. By considering factors such as mapping capabilities, screen size, and durability, you can find the perfect GPS unit to enhance your boating adventures. At BOE Marine, we help you find the best Boat Navigation System for your boat.