Garmin GMR xHD3 Radar Dome
Best high-performance radar for serious cruisers and offshore anglers.
The Garmin GMR 24 xHD3 is a high-definition magnetron dome radar built for marine navigation. It delivers a powerful 4kW output and offers a maximum range of 48 nautical miles with a precise 3.7-degree beamwidth for clear target detection. Experience enhanced situational awareness with dual-range mode, allowing simultaneous monitoring of close and distant targets. Advanced features like scan averaging and true echo trails improve clarity and tracking, while MARPA and guard zone capabilities enhance safety by aiding in collision avoidance. This radar integrates seamlessly with compatible Garmin chartplotters for an improved on-water experience.
$1999.99
Owner Satisfaction
4.7
/ 5
Category Rank
8
/ 176
#8 in Marine Radar
Price vs Category Average
-26%
Below average
Power Output
4
/ kW
Who it's for
- Captains needing precise target identification in complex weather conditions
- Safety-conscious navigators tracking moving vessels in busy waterways
- Garmin users wanting a streamlined, plug-and-play marine electronics setup
Who should skip it
- Budget-focused boaters seeking an entry-level radar solution
- Owners of older marine electronics systems lacking modern display compatibility
- Offshore cruisers requiring maximum range for long-distance navigation
Performance breakdown
Target Resolution
Precise beamwidth ensures sharp, distinct separation of nearby marine targets.
Situational Awareness
Dual-range mode provides a comprehensive view of immediate and distant surroundings.
Refresh Rate
High-speed rotation delivers fluid, real-time updates for fast-moving vessels.
Clutter Suppression
Advanced scan averaging effectively filters out distracting sea and weather noise.
Collision Avoidance
MARPA tracking and guard zones provide essential safety for busy waterways.
System Integration
Seamlessly syncs with Garmin chartplotters for a unified navigation experience.
Key Specs
Power Output
4kW
Max Range
48nm
Horizontal Beamwidth
3.7 degrees
Rotation Speed
up to 60 RPM
Radome Size
25.4 inches
Height
9.8 inches
Includes
GMR 24xHD3 Dome Radar, 15m Power Cable, 15m Network Cable, Mounting Hardware Kit and Template
Warranty
2-Year
Features
- High-definition magnetron radar for clear imaging.
- Dual-range mode for simultaneous close and distant views.
- Scan averaging filters out sea clutter.
- Optimized target size processing for better detection.
- Faster screen refresh with 60 RPM rotation.
- Bird detection for locating fishing spots.
- MARPA target tracking for collision avoidance.
- Guard zone alerts for safety.
What customers say
Users overwhelmingly praise the Garmin GMR xHD3 Radar Dome for its exceptional clarity and target separation, significantly boosting safe navigation. A key highlight is the enhanced Bird Mode, which fishermen report is game changing for locating feeding activity at long ranges, improving catch rates. The dome's robust build quality confirms Garmin's reputation for durability in harsh marine settings. While the initial cost is high, customers agree the reliable, high performance justifies the premium investment. Reviewers view this radar as an essential tool that greatly enhances situational awareness and operational efficiency on the water, making it a highly recommended piece of marine electronics.
Know before you buy
The 60 RPM rotation speed provides a much faster screen refresh rate compared to standard radars. This is especially beneficial when navigating at higher speeds, as it ensures your display updates quickly to reflect changing conditions around your vessel.
Yes, the GMR 24 xHD3 features a dual-range mode. This allows your compatible Garmin chartplotter to display a split-screen view, showing a close-range view for navigation and a long-range view for weather or distant targets simultaneously.
This model includes dedicated bird detection capabilities. By identifying flocks of birds feeding on the surface, you can more easily locate active baitfish and potential fishing hotspots.
Yes, it supports MARPA (Mini-Automatic Radar Plotting Aid) target tracking, which allows you to track specific targets and monitor their course and speed. Additionally, you can set up guard zones that provide alerts if an object enters a pre-defined area around your boat.
The GMR 24 xHD3 is designed to integrate seamlessly with most modern Garmin marine network chartplotters. We recommend checking your specific chartplotter model's compatibility list on the Garmin website to ensure full feature support.
Scan averaging works by filtering out unwanted noise, such as sea clutter and rain interference. This results in a cleaner, more stable image on your screen, making it easier to distinguish actual targets from environmental background noise.
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