The best waterproof heart rate monitors help you track effort reliably through sweat, rain, pool sessions, and demanding workouts. This roundup compares chest straps, optical armbands, fitness trackers, and watch-based options across compatibility, comfort, battery life, and water resistance.
Whether you need highly responsive data for structured training or a convenient monitor for everyday activity, these picks cover a range of budgets and use cases. Check the buying guide below to narrow the list based on accuracy, connectivity, fit, and workout style.
Best 10 Waterproof Heart Rate Monitors Picks for 2026
Most Accurate Pick
- Highly accurate heart rate sensing
- Bluetooth, ANT+, and 5 kHz connectivity
- Fully waterproof with 400-hour battery life
Best For: Athletes prioritizing accuracy and broad compatibility
Best for Garmin Training
- Tracks heart rate and HRV in real time
- Records workouts without a watch
- Machine-washable strap and rechargeable battery
Best For: Garmin users pursuing detailed training metrics
Best Long-Battery Value
GEOID HS500 Heart Rate Monitor
- IP67 waterproof construction
- ANT+ and Bluetooth compatibility
- Up to 800 hours from a replaceable battery
Best For: Frequent runners and cyclists wanting minimal battery upkeep
Most Comfortable Armband
- Soft, breathable armband design
- Bluetooth pairing with up to three devices
- Wear detection and 38-hour operating battery
Best For: Athletes preferring an armband over a chest strap
Reliable Chest-Strap Pick
- High-accuracy chest-strap tracking
- Bluetooth and broad equipment compatibility
- Up to 400 hours of battery life
Best For: Everyday training with compatible apps and fitness equipment
Waterproof Connectivity Value
- IP67 waterproof chest-strap design
- Bluetooth and ANT+ dual connectivity
- 300-hour replaceable-battery life
Best For: Wet-condition workouts and multi-device training setups
All-Day Smartwatch Option
- IP68 protection for sweat and rain
- 24/7 heart rate and activity tracking
- Up to seven days of normal-use battery
Best For: All-day wellness tracking with smartwatch conveniences
Best Swim-Ready Armband
- Goggle clip supports swim workouts
- Dual Bluetooth and ANT+ connectivity
- 30-hour battery life
Best For: Swimmers and multi-sport athletes wanting a wrist-free monitor
Best Watch-and-Chest-Strap Set
- Includes chest strap and digital watch
- 5ATM water resistance
- Up to 365 days per battery
Best For: Athletes who want a standalone heart rate display
Best HRV-Ready Arm Monitor
- IP68 sweat and rain resistance
- Bluetooth Smart and ANT+ support
- HRV mode provides RR interval data
Best For: Connected athletes using training and HRV apps
Most Accurate Pick – Polar H10 Heart Rate Monitor
For shoppers comparing waterproof heart rate monitors, the Polar H10 stands out for its stated precision, broad connectivity, and fully waterproof construction. Its chest strap supports Bluetooth, ANT+, and 5 kHz connections, with internal memory for multiple hours of data.
Best For: Athletes who want a highly accurate chest-strap monitor with flexible device compatibility.
Pros:
- Recognized for top measurement accuracy in Polar’s sensor lineup.
- Supports Bluetooth, ANT+, and 5 kHz connections, including simultaneous connections.
- Fully waterproof and includes internal memory for multiple hours.
- Battery life is rated at approximately 400 hours.
Cons:
- Uses a chest strap rather than an armband design.
- Requires a CR2025 battery; other battery sizes may cause malfunction.
The Polar H10 is a strong all-around choice when accuracy and compatibility matter most. Its washable? The supplied notes do not specify machine washing, so care should follow the included guidance.
Best for Garmin Training – Garmin HRM 600
The Garmin HRM 600 is one of the more feature-rich waterproof heart rate monitors for Garmin users. It sends real-time heart rate and HRV data, records workouts when a watch cannot be worn, and adds running dynamics with a compatible smartwatch.
Best For: Garmin athletes who want detailed running data, swim tracking, and strap-based workout recording.
Pros:
- Provides real-time heart rate and HRV data to compatible devices and apps.
- Records workout data for syncing to Garmin Connect when a watch is unavailable.
- Stores heart rate data during swimming for later synchronization.
- Features a machine-washable strap and rechargeable battery rated for up to two months.
Cons:
- Advanced running dynamics require a compatible smartwatch.
- Its richest features are centered on the Garmin ecosystem.
Choose the HRM 600 if you want more than basic heart rate readings. It is particularly compelling for Garmin users who track running metrics, indoor workouts, team sports, and swimming.
Best Long-Battery Value – GEOID HS500 Heart Rate Monitor
The GEOID HS500 is a practical option among waterproof heart rate monitors, combining ANT+ and Bluetooth compatibility with an IP67 waterproof rating. Its replaceable battery is rated for up to 800 hours, while an LED confirms readiness and connection during workouts.
Best For: Runners, cyclists, and fitness users seeking long battery life and broad app or equipment compatibility.
Pros:
- IP67 waterproof rating supports use during active workouts.
- Works with ANT+ and Bluetooth devices, apps, and fitness equipment.
- Offers up to 800 hours of battery life with a replaceable CR2032 battery.
- Includes movement and sweat interference reduction through updated hardware and algorithms.
Cons:
- Swimming is not recommended.
- Bluetooth pairing should be completed through the app rather than directly through phone settings.
The HS500 makes sense for buyers who value low maintenance and wide connectivity more than swim tracking. Its long-lasting replaceable battery is especially useful for frequent training.
Most Comfortable Armband – COROS Heart Rate Monitor
The COROS Heart Rate Monitor offers a softer alternative to chest-strap waterproof heart rate monitors. Its breathable armband uses wear detection, connects to up to three devices simultaneously over Bluetooth, and automatically reconnects when a workout begins.
Best For: Athletes who prefer a comfortable armband for sports watches, trainers, phones, and indoor fitness equipment.
Pros:
- Soft, breathable armband is designed for comfortable sports use.
- Can connect to up to three devices simultaneously through Bluetooth.
- Wear detection automatically powers the monitor on and off.
- Provides 38 hours of operation or up to 80 days of standby per charge.
Cons:
- Bluetooth only; it does not support ANT+.
- Designed for sports and activities rather than daily heart rate tracking.
- USB charging cable is included, but a Type-C adapter is not.
The COROS monitor is a good fit when comfort and quick setup are more important than ANT+ support. Verify Bluetooth compatibility with your devices before buying, especially if you use cycling equipment that relies on ANT+.
Reliable Chest-Strap Pick – Polar H9 Heart Rate Sensor
Polar H9 Heart Rate Sensor – ANT + / Bluetooth - Waterproof HR Monitor with Soft Chest Strap, XXS-S
Check Price On AmazonThe Polar H9 is a straightforward chest-strap option for shoppers comparing waterproof heart rate monitors for everyday training. Its high-accuracy sensor supports Bluetooth connections to smartphones, tablets, computers, and compatible fitness equipment, while the included CR2025 battery is rated for up to 400 hours.
Best For: Everyday workouts and users who want broad compatibility with fitness apps and equipment.
Pros:
- Designed for high-accuracy heart rate tracking.
- Works with compatible equipment and popular smartphone apps.
- Long 400-hour battery life with an included CR2025 battery.
- Backed by a two-year manufacturer warranty.
Cons:
- The supplied notes do not specify a waterproof or water-resistance rating.
- Chest-strap sizing must be selected carefully: XS-S or M-XXL.
The H9 is a sensible choice when accurate chest-based readings and connection flexibility matter most. However, shoppers specifically prioritizing waterproofing should confirm the sensor’s water-resistance details before buying.
Waterproof Connectivity Value – COOSPO H808S Chest Strap
The COOSPO H808S is a strong fit for shoppers seeking waterproof heart rate monitors for connected workouts. Its IP67-rated chest-strap system uses Bluetooth 4.0 and ANT+ to send real-time heart rate data to compatible phones, sports watches, bike computers, and fitness apps.
Best For: Athletes who need a waterproof chest strap with dual wireless connectivity and extended battery life.
Pros:
- IP67 waterproof rating for training in wet conditions.
- Bluetooth and ANT+ support enables multiple connection options.
- Up to 300 hours of battery life from a replaceable CR2032 battery.
- Compatible with apps and devices including Peloton, Strava, Zwift, and Wahoo Fitness.
Cons:
- The electrode areas should be moistened before use.
- The strap is recommended for replacement after six months or 300 washes.
- Users must connect through the app rather than the phone’s standard Bluetooth menu.
The H808S offers the clearest waterproofing credentials in this group while also covering common ANT+ and Bluetooth setups. Its maintenance instructions add a little upkeep, but the replaceable battery and broad app support improve its long-term practicality.
All-Day Smartwatch Option – MorePro Fitness Tracker
The MorePro Fitness Tracker suits shoppers who prefer wrist-based waterproof heart rate monitors with broader wellness and smartwatch features. Its IP68 design handles sweat, rain, and hand-washing, while the tracker adds 24/7 heart rate monitoring, activity tracking, sleep insights, notifications, and more than 120 sport modes.
Best For: Users wanting an all-day activity tracker with heart rate monitoring, smart notifications, and lifestyle features.
Pros:
- IP68 waterproof design for sweat, rain, and hand-washing.
- Offers 24/7 heart rate monitoring plus sleep and activity tracking.
- Supports more than 120 sport modes and includes step and calorie tracking.
- Battery lasts up to seven days with normal use or 15 days on standby.
Cons:
- Health readings are intended for wellness purposes and are not for medical use.
- It requires Android 7.0 or newer or iOS 13.0 or newer and is not compatible with PCs or tablets.
- The supplied notes do not establish clinical-grade measurement accuracy.
The MorePro is the most feature-rich option here for continuous wear, combining waterproofing with notifications, sleep tracking, sports modes, and daily reminders. Choose it for general wellness and convenience rather than a dedicated chest-strap training setup.
Best Swim-Ready Armband – Polar Verity Sense
The Polar Verity Sense is a compact choice among waterproof heart rate monitors for athletes who want wrist-free tracking. Its optical sensor can be worn on the upper arm, forearm, or clipped to swimming goggles, while Bluetooth and ANT+ support make it easy to connect with compatible devices and apps.
Best For: Swimmers, runners, cyclists, and anyone who prefers a lightweight armband over a chest strap or wrist-based monitor.
Pros:
- Can be worn on the arm or attached to swimming goggles.
- Offers two simultaneous Bluetooth channels and limitless ANT+ connections.
- Records workouts for later transfer or broadcasts live heart rate.
- Up to 30 hours of battery life and a compact 19 g design.
Cons:
- The battery is not replaceable.
- It requires a compatible phone, tablet, watch, or other connected device for viewing live data.
The Verity Sense stands out for versatile placement and broad connectivity. It is a practical fit for swim training and multi-sport workouts, especially when comfort and freedom of wrist movement matter.
Best Watch-and-Chest-Strap Set – T037 Waterproof HRM
This T037 set combines a chest strap with a standalone digital watch, making it one of the more self-contained waterproof heart rate monitors in this roundup. The watch displays heart rate and estimated calories, while its 5ATM water resistance and replaceable-battery design suit outdoor training.
Best For: Fitness enthusiasts who want an easy-to-read workout watch with chest-strap heart rate tracking and long battery intervals.
Pros:
- Includes both a heart rate chest strap and digital display watch.
- 5ATM waterproof construction is designed for wet conditions.
- Customizable heart rate safety zone with audible over-range reminders.
- Replaceable CR2032 batteries provide up to 365 days of use.
Cons:
- The chest strap and watch use separate replaceable batteries.
- Initial startup requires pressing all four side buttons simultaneously.
- The watch display is relatively small at 1.2 inches.
Choose the T037 if you value simplicity, a dedicated display, and minimal charging. Its chest-strap format is less casual than an armband, but the long battery life and water-resistant watch add practical convenience.
Best HRV-Ready Arm Monitor – Scosche Rhythm+ 2.0
The Scosche Rhythm+ 2.0 is a flexible option among waterproof heart rate monitors, using an optical armband sensor with both Bluetooth Smart and ANT+ connectivity. It tracks workout heart rate while also supporting RR interval data for compatible HRV apps, and its IP68 rating helps it handle sweat and rain.
Best For: Runners, cyclists, gym users, and athletes who want an adjustable armband with HRV data support.
Pros:
- IP68 protection helps withstand sweat, rain, and demanding training.
- Connects with Bluetooth and ANT+ watches, equipment, and apps.
- HRV mode captures RR interval data for supported training and wellness apps.
- Adjustable forearm, bicep, or tricep placement stays secure during exercise.
Cons:
- Battery life is limited to up to 24 hours of continuous use.
- HRV features require compatible apps and platforms.
- It does not include a dedicated display.
The Rhythm+ 2.0 is a strong choice when connectivity and arm comfort matter more than having an onboard screen. Its IP68 durability and HRV support give it added appeal for connected training routines.
How We Picked the Best Waterproof Heart Rate Monitors
We focused on monitors that are designed to handle sweat and water while delivering useful heart-rate data during exercise. The selection includes chest straps, optical armbands, fitness trackers, and watch-and-strap combinations so different types of athletes can find a suitable option.
Our comparison emphasizes sensor technology, waterproof or water-resistant ratings, ANT+ and Bluetooth support, battery life, wearing comfort, app and device compatibility, and practical features such as automatic wear detection or onboard workout tracking. A strong monitor should pair reliably with the equipment you already use and remain comfortable enough for the length of your workouts.
Quick Comparison
| Monitor type | Best suited to | Main advantage |
|---|---|---|
| Chest strap | Serious training and interval work | Fast, responsive readings |
| Optical armband | Users who dislike chest straps | Comfortable placement and easy setup |
| Fitness tracker or watch | Everyday activity and wellness tracking | Convenient all-day features |
| Watch with chest strap | Simple standalone workouts | Integrated display and tracking |
Key Buying Factors for Waterproof Heart Rate Monitors
Water Resistance
Check the exact rating rather than relying only on the word “waterproof.” IP ratings generally describe protection from dust and water exposure, while ATM ratings indicate pressure resistance and are more relevant to swimming. Confirm the manufacturer’s guidance before using a monitor in open water or a pool.
Sensor Accuracy and Fit
Chest straps typically provide the most responsive readings because they measure electrical signals close to the heart. Optical armbands can be more comfortable and often perform well for steady exercise, but fit, skin contact, tattoos, motion, and temperature can affect results. A snug, secure fit matters with either design.
Connectivity and Compatibility
ANT+ is useful for bike computers, gym equipment, and some sports watches, while Bluetooth is convenient for phones and many fitness apps. Dual-protocol monitors offer more flexibility. Before buying, verify compatibility with your watch, training platform, or preferred app.
Battery and Maintenance
Consider whether you prefer replaceable batteries, rechargeable power, or a device designed for long periods between charges. Rinse sweat and chlorine from compatible sensors, dry contact points, and follow the maker’s instructions for replacing straps or cleaning optical surfaces.
Who Should Buy Which Waterproof Heart Rate Monitors?
- For serious runners, cyclists, and interval training: Choose a chest strap such as the Polar H10, Garmin HRM 600, Polar H9, or another ANT+/Bluetooth model.
- For comfort without a chest strap: Consider the Polar Verity Sense, COROS Heart Rate Monitor, or Scosche Rhythm armband.
- For budget-conscious connected training: Look for an IP-rated Bluetooth and ANT+ chest strap with broad device compatibility and a replaceable or long-lasting battery.
- For all-day wellness tracking: A MorePro fitness tracker may be more convenient than a dedicated exercise sensor, especially if sleep, steps, and blood oxygen features matter.
- For simple workouts with a display: A heart-rate chest strap paired with a digital watch can work well when you want basic metrics without relying on a phone.
For the best results, match the monitor to your training priorities first, then confirm its water rating, connection type, and fit before purchasing.