Best Waterproof Heart Rate Monitors for Swimming

Keeping hospital equipment with you is an old-fashioned way, so the best waterproof heart rate monitors for swimming are trending these days. Many consider these devices similar to smartwatches, but that is not necessarily the case.

There is a clear difference between a fitness band and a smartwatch such that the former performs more on the health side whereas the latter has a little bit of everything. These bands come in very handy for athletes like smartwatches for swimmers, runners, cyclists or gymnasts, etc.

There is no gain without a bit of sweat dripping from your body which is why these monitors are waterproof. This feature will help you focus on your fitness routine instead of worrying about your expensive gadget not going down the drain.

Use the gadgets during your workout session or swimming laps where your body’s inner conditions are monitored through the sensors. Accurate heart rate statistics can bring out of these bands. They often come in two wearing styles, such as wrist wear or chest strap, from which both are one’s personal preference.

24-hour wear means that you can wear these monitors even while you are sleeping so that it records your sleeping patterns. A perfect body needs its rest, and so you get to notice if your sleeping habits need to be reconsidered or not.

Battery timing matters a lot in this era of technology, and these gadgets can give you a minimum of 12 hours of full-time operation and 80 hours of maximum usage with or without GPS mode. Track your route for a long run or a sudden hiking plan with the GPS mode enabled in them.

Built-in storage for several hours lets you be free of your phone and focus on what is essential to living a longer, healthier life. These monitors are easily paired with IOS or Android devices, including laptops, computers, or smartwatches with Bluetooth, ANT+, or USB connection.

Notice how many calories you have burnt after an excellent running route or workout or training with your guidance. There is much more to these bands than just looking at the time, as you can also respond to texts, calls, and other notifications on the go.

List Of Top Rated Best Waterproof Heart Rate Monitors for Swimming

  1. Garmin Forerunner 45
  2. Coros APEX Premium Multisport GPS Watch
  3. POLAR IGNITE – Advanced Waterproof Fitness Watch
  4. Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS
  5. New Apple Watch Series 6 with GPS
  6. MYZONE MZ-3 Physical Activity Belt
  7. Polar OH1+ Optical Heart Rate Sensor

1. Garmin Forerunner 45

Garmin Forerunner 45

This one is the waterproof heart rate monitor watch without a chest strap. Smashing out loads of mid-intensity running is a guaranteed way to plateau your progress. If you’re hoping to shift body shape or improve fitness – and running is your cardio fitness weapon of choice – investing in a heart-rate monitor to guide your workout intensity is a smart step.

This entry-level watch is tailored for running but packs plenty of sport modes. It’s great for zone and interval training, with reliable optical BPM tracking on the wrist, an easy-to-read color screen, and a lightweight, comfortable design.

The heart rate is used to generate VO2 Max fitness estimates. They aren’t as accurate as a run-till-you’re-done full lab test but still offer a simple way to benchmark your progress and are far less grueling.

You also get 24/7 continuous heart-rate tracking, with high and low resting heart-rate alerts and a solid 13 hours of training time on a single charge. It’s also waterproof to 50m, and it’ll beam your heart stats to other ANT+ devices.

2. Coros APEX Premium Multisport GPS Watch

Coros APEX Premium Multisport GPS Watch

This technology era is becoming concise every day and with such gadgets like smartwatches used as a GPS. Best used for athletes because this watch provides the option for customizing different training modes.

Coros Apex premium multisport watch has pre-installed exercises over 200 with the option of creating your intervals for working out. Keep in touch with your health options with a heart rate monitor that supports Bluetooth and ANT+ to connect them with other devices.

An optical heart rate sensor can display the data onboard, followed by zone breakdowns. 25 hours of maximum usage in full GPS mode can take it out from it, whereas in ultra-GPS mode, you get 80 hours of user time.
Navigate the track that allows you to prevent being lost in a new way or unfamiliar places with GPS on your wrist. Also, get to your desired destination on time without missing a turn with this feature that follows your chosen path.

The battery interface shows the total usage of all apps and options, along with the percentage left for you to get the best out of it. Moreover, the nutrition alerts enable you to push towards the healthy life of staying hydrated and keeping away from gaining calories.

Recover more brilliantly from minor injuries with an AI trainer that lets you know about the stamina left in your body after a challenging workout. Once you gain it back with several intervals or breaks, you are good to go. Weather reports can reach your end without an internet connection if your nearby areas are under the rage of some upcoming storm.


  • 25 hours of usage
  • 80 hours UltraMax GPS mode
  • Wrist style 
  • Heart rate monitor
  • Barometer
  • Water-resistant 100m
  • One finger operate

If going long and getting a bit wilder is your preferred way to raise your heart rate, the Apex packs between 25 and 35 hours of training time with BPM and GPS fully firing. You get interval and zone training, and sport modes for everything from trail running, to snowboarding and cross-country skiing. It’s waterproof to ten meters and offers heart-rate-based VO2 Max estimates, plus recovery time recommendations so you can monitor your progress. Coros Apex is the professional recommended best wrist heart rate monitor without a chest strap.

3. POLAR IGNITE – Advanced Waterproof Fitness Watch

POLAR IGNITE - Advanced Waterproof Fitness Watch

Polar ignite puts a heavy product on the table that leaves all others behind with the vast options it provides. An advancement of today’s world is the waterproof fitness watch, convenient for both males and females. Wear this gear 24/7 to know more about the situation of your body.

Night monitoring option with recharge enables the measurement of the body that shows how well you slept. This watch monitors the body recovering from the user’s previous day’s stress and health with sleep stages.

Being aware of your nutrition and health is an essential part of life and easier with this watch. It will never be a hassle to choose your fitness workout plan since the fit spark training guide has already got your back on this.

Track your sleeping habits with sleep stages, plus where you get feedback on your sleep pattern in numerical scores. Recovering from stress overnight is necessary, and for this purpose, nightly recharge status helps you gain back your strength.

Polar ignite community is where you can join and share your thoughts on fitness with other geeks with this heart rate monitor. Breathing exercises can help your body relax after a tough workout session. This is made more accessible for you to let you know where to start through the polar ignite guide.

Instead of becoming a hindrance in your fitness-centered life, this watch becomes your true potential. The waterproof ability makes it work during running, swimming, or any other sport.


  • Unisex, waterproof watch
  • Color touch display
  • One button interface
  • Train in gym, calorie count, GPS tracking etc
  • 24/7 wear with night monitoring
  • Personalized workout guide
  • Sleep tracking stages

A training watch tailored to general fitness, the Ignite offers zone training for a range of activities, but also uses its built-in optical sensor to get deep into recovery. It tracks your Autonomic Nervous System to reveal how well your body has bounced back from your last gut-busting overnight, then uses this data to generate tailored workout recommendations, complete with duration, intensity and drill-by-drill walkthroughs.

4. Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS

Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS

Fitbit Charge 4 fitness watch is made for all-time wear no matter what time of the day or night. It consists of a built-in heart rate monitor that tracks your sleeping patterns during your resting hours. If you get enough stamina for the upcoming day, this watch can pair with Mac OS 12.2, iPad 5, and android version 7 and above.

During a fitness power run, navigate your track through the GPS enabled on the screen. Go for a long hike on a different route every time and still never get lost, thanks to this feature onboard. For new premium users, you also get to have 90 days free trial helping you stay active.

Measure how many calories you burn after a tough workout session with this smartwatch enabled to connect with Bluetooth and the internet as well. Pair your phone with it and notice all your activities plus 20 plus workout guides are available with it.

Moreover, play your favorite songs on Spotify or a built-in music app from your phone to entertain your morning jog around the block. Swim or water-resistant watches up to 50 meters let you wear this gadget in all environments and places.

The battery can last several days without the GPS mode, while it works best for 5 hours continuously with the GPS. Your card and information are secured with the Fitbit pay app that informs you of any transaction via phone app pairing.


  • GPS enabled
  • Heart rate buzz zone
  • 90 day free trial
  • 24/7 wear
  • Compatible with Mac OS , ipad, android 7 and up
  • Play music
  • Goal based exercise modes
  • 7 days long lasting battery

This fitness band’s wrist-based sensor tends to read a little high and suffers some lag, so if accuracy is critical there are better options. However, if you’re in the market for some general motivation, it’s great. It encourages you to move with intent, converting your effort into Active Zone Minutes and setting daily targets. You’re automatically rewarded with one point each time you hit the fat-burn zone, and two for shifting gears into the cardio or peak zone.

5. New Apple Watch Series 6 with GPS

New Apple Watch Series 6 with GPS

It is fantastic to see what goes inside your body on your wrist with the new Apple watch from series 6. Enabled with 40mm of GPS, track your health with a heart rate monitor and oxygen level check paired with an ECG application.

A sensor is added at the bottom of the dial that allows you to check on your health statistics. Blood level and oxygen amount in it is easily prevented through that sensor for which you had to put out different instruments or go far away to the hospital.

With a self-reliant mini doctor at your wrist, you can track your sleep cycle as well to notice how well you have regained your energy for the next day. Meet your workout goals by following the already set limits through daily activity checker.

Wear this as a fashion statement or live a healthier life; the new apple watche 6 is waterproof for any matter. Keep your life connected to your loved ones or attend to all your important calls or text by pairing them with your iPhone.

Music is playable on this watch, plus apple pay and Siri are always at your command. The retina can always let the display shine 2.5 times brighter in broad daylight through different sensors. The display face is also customizable where you choose your favorite interface online or on the apple store.


  • GPS mode enabled
  • Pair with your phone
  • Respond to texts and calls
  • Heart rate, blood, oxygen measurable
  • ECG app compatible
  • 2.5x brighter display
  • 5GHz wi-fi speed
  • Pair with iphone
  • Track your fitness goals

If you want a smartwatch with solid heart rate, good fitness skills and plenty of all-day appeal, the Series 5 is it. It tracks BPM continuously during training and for three minutes after, to show how well you recover. But you also get 24/7 readings beyond workouts, revealing resting heart-rate patterns and any underlying rhythmic abnormalities. You can also take ECG-standard heart-rate readings and access hundreds of apps that bring your data to life.

6. MYZONE MZ-3 Physical Activity Belt

MYZONE MZ-3 Physical Activity Belt

Myzone MZ-3 fitness belt comes in the elastic strap’s chest wear style, not big enough not to bother your work out. A panel conducts the heart rate monitoring without an effort with small beeps to know when it is turned on or off.

There are handicap rates that are color-coded with the effort you put into your body exercises, for instance, grey, the lowest tone, yellow and red for the uppermost tone. These colors let you earn different effort points as in 1, 3, and 4, respectively.

Use this belt in your newly opened gym to train your people towards a healthy life, or use it individually whenever you work out to track your fitness level. Moreover, get yourself free from carrying a smartphone all the time. This fitness belt can store 16 hours of data and can function without your phone nearby.

ANT+ compatible, the belt can be paired with an apple watch, android, or IOS devices as well. Extra information can be brought through GPS modes other devices can use, such as routes or workout guides, etc. Get real-time updates and statistics on your training sessions with this smart fitness strap. 


  • Chest strap style
  • Color coded effort levels
  • Compatible for gym club use or individual usage
  • Accurate heart rates
  • Long battery life
  • Elastic strap belt
  • 16 hour data storage

The MZ-3 levels the fitness playing field, rewarding effort not fitness. It turns your BPM-based toil into points, so you can compete with friends, family and other gym-goers regardless of your starting point – or the activity you do. It broadcasts to most gym cardio machines and devices via ANT+ or Bluetooth, stores 16 hours of workout data, and its rechargeable battery gives up to seven months on a single charge.

7. Polar OH1+ Optical Heart Rate Sensor

Polar OH1+ Optical Heart Rate Sensor

The future of an athlete’s health and training is right on your wrist with polar OH1+ consisting of a built-in heart rate sensor. With its Bluetooth and ANT+ ability, connect this device with your smartphones, gym equipment, smartwatches, computers, etc.

Save your phone’s hassle as this gadget has its data memory that can store up to 200 hours of information for your continuous training. Sync your data afterward with Polar Flow and polar beat application.

Considering the brutal training for swimmers and athletes, this product is waterproof. The brand includes a swimming goggle strap clip where a swimmer can easily track his performance under the water to prove its efficiency.

Comfortable wearing straps can be adjusted anywhere on your arm, which supports its elasticity. Pair this with any of your android or iOS devices or with the PolarBeat Application to train with them.  Weighing only 77 grams, this lightweight model is one of the accurate heart rate monitors you can find in the market.

Nonpolymer lithium 45 mAh battery lasts up to 12 hours of maximum usage with 30 m waterproof assistance. Charge this with a tiny USB charger that can also attach to your laptop directly in the port.


  • 77.1 grams weight
  • Bluetooth, ANT+ compatible
  • 45 mAh battery rechargeable
  • Heart rate sensor
  • 12 hour usage
  • 30m water resistant
  • Built in memory for 200 hours

The brilliantly versatile OH1+ is an optical heart-rate sensor you can wear on your forearm, bicep and even your temple. It’s not quite as accurate as the H10 on dry land, but it’s perfect for events where you need your tracker out of the way, or strapped to your goggles during pool workouts. It’s ANT+ and Bluetooth compatible, packs 12 hours of continuous tracking and a 200-hour memory.

Best waterproof heart rate monitors for swimming Buying Guide

A healthy life step can also be made possible with fitness gadgets such as heart rate monitors that display accurate readings of your body. Calculate your blood oxygen levels, calorie burns, or heart rate with these gadgets.

No matter these devices has a lot to offer, one needs to consider and understand what each feature can offer:

Wear type:

These machines typically come in 2 styles of wrist style, and the other is the chest strap. Choosing one of these is a user’s preference as both are comfortable to be used. There are specific differences in both of them about the display size. Wristwear would be more minor and compact, whereas the chest strap would have a bigger dial.


Easy pairing with your smartphones (ios or android) is possible with these monitors via Bluetooth. On the other hand, these devices are usually made ANT+ compatible, which lets them connect to gym equipment, etc.

A USB connection is also possible, which lets you directly plug into your laptop or computer to transfer your progressing data. Wireless connection is the only way you get to see these gadgets tethering up to other devices without any trouble.

Play your favorite music, answer calls or texts, or get notified about your payments online with the notification option on your fitness band—this way, you are never out of touch with the world or your peers, for that matter.

Battery life:

Since these are wireless and are made easy to carry, one needs to have good battery life. Most brands provide 5 to 12 hours of continuous usage with GPS mode, whereas 80 hours of maximum range can be taken out without GPS mode operation.

Built-in storage:

Free your hands with the hassle of taking your phone everywhere with you. Having built-in storage of maximum 16 hours of storage is possible to fit into this tiny device. Save your data and information regarding your training session, guides for working out or running tracks when you do not have your phone with you.

GPS enabling:

Navigating your way towards success can be fulfilled by a GPS function where you can track a new route or count the steps you have earned each day. Suppose you are on a long hike or moved to a new place; you can never be lost when the GPS tracker is with you.

Target zones:

Exercise in the measured target zone according to your body level and type. According to your heart rate monitoring, there are 3 to 6 zones that set various sessions such as aerobics, anaerobic endurance, etc. These zones will help you develop your limit and call it a day, and to change it, there is always the option to reprogram it.

Other features:

Other important fitness features may include a calorie counter, stopwatch, cardio tracker, water intake, daily activity, sleep patterns, etc. this way. You get to understand and know about your body’s condition while staying in shape.

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