How to Swim in Cold Water

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Swimming in cold water can be an exhilarating and exciting activity. It can also be dangerous, so it’s important to do it right. As a note, you’ll need to wear the proper gear if you’re swimming in water under 70℉ (21℃), which is the temperature where breathing consistently becomes challenging.

Method 1
Method 1 of 2:

Acclimating Your Body

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  1. It’s important to get your muscles warm and your heart pumping before you get into cold water. Take a brisk jog or walk or do several sets of jumping jacks. You can also jump rope. [1]
  2. If your body is tight before you begin your cardiovascular warm up, consider stretching out your body. Roll your shoulders forward and backward a few times and lift yourself up onto the balls of your feet. You can also lift your feet up behind you (one at a time) until they touch your buttocks and hold them there for thirty seconds to stretch your quadriceps.
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  3. Getting your face used to the water temperature will help regulate your heart rate. Once you’re in the water up to your hips, dip your face in and blow air out through your mouth. Lift up your face when you need to breathe again, or after about thirty seconds. Repeat this a few times. [2]
  4. Diving straight into cold water could put your body into shock. This can cause hypothermia and could be fatal. Diving in is especially dangerous if you’re not used to swimming in cold water, but it’s better for experienced cold-water swimmers to get in gradually as well. It's important to know how to treat hypothermia, as it can be life-threatening in cold water situations.
  5. The acclimation process (or getting your body used to swimming in cold water) takes some time. At first, you may only be able to swim in water under 70℉ (21℃) for a minute or so. Use training sessions to increase the amount of time you can stay in comfortably and safely in small increments.
    • How quickly you increase your time and how much total time you eventually spend in the water will depend on how cold the water is. For lower temperatures (anything near 50℉ or 10℃), you may only be able to do a minute or two at a time.
  6. Keep your training consistent. Do twenty- to thirty-minute sessions at least three times per week. If you’re still acclimating, you can use these sessions to gradually get in the water for short periods of time. Once you’re acclimated to a particular temperature, you can try swimming for twenty to thirty minutes straight. [3]
    • Remember that some temperatures will be too cold for any extended swimming. Keep tabs on your body, and get out if you’re struggling to breathe or notice that your body is turning white or blue.
    • Any time you begin gasping for air, hop out of the water.
  7. Open-water sources like calm rivers, lakes, and gentle oceans provide great training ground for cold-water swimming. Always be sure to check the temperature and safety conditions before swimming. Also ensure that you’re legally allowed to swim in the source. [4]
    • You can contact local governmental officials to find out if there are regulations or restrictions on swimming.
    • You may also be able to adjust the temperature in indoor pools for training. [5]
  8. If you’re not close to any cold-water sources, make an ice bath! Get a bag of ice at a gas station and add it to your water. Use a water-safe thermometer to check the temperature. Gradually increase the amount of time you can spend in this water, which you shouldn’t make below 50℉ or 10℃. [6]
    • You can train in an ice bath for about fifteen to twenty minutes, three to four times per week.
  9. Avoid taking a hot shower or getting into a sauna right after a cold-water swim. This can actually lower your body temperature further. Instead, warm up with dry clothes and towels. You can also slowly sip on a hot drink.
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Method 2
Method 2 of 2:

Wearing Essential Gear

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  1. Water under 70℉ (21℃) is considered cold and can cause you to have a harder time breathing. You should always wear at least one and possibly two to three swim caps when swimming in cold water. This will prevent heat from escaping through your head. [7]
  2. Neoprene adds insulation and helps keep you slighter warmer than silicone, latex, or rubber caps, gloves, or socks. [8] While it won’t reduce drag to allow you to swim faster, it’s still the best choice for cold-water swimming. [9]
  3. Like a swim cap, earplugs slightly reduce the amount of heat escaping from your body. Look online or at your local sports supply store for earplugs designed for swimming. [10]
  4. It’s safest to wear a full-body wetsuit when swimming in cold water. While a wetsuit won’t keep you from feeling the cold water, it will add essential insulation that’ll help you stay warmer for longer. [11]
    • There are competitive “ice swimmers” who swim in extremely cold water (as low as about 40℉ or 4℃) without wetsuits. This is a professional sport with high risks, demanding intense, multi-year training. Do not skip a wetsuit unless you’re a pro! [12]
  5. For water between 48℉ about 60℉ (9℃ to 16℃) or lower, go for extra accessories. You can purchase neoprene socks, booties, and gloves that will help keep your extremities from going numb. They may slightly reduce your movement, so take some time to get used to wearing them in training. [13]
  6. As the temperature falls, your wetsuit should get thicker. While thicker wetsuits make you more tired faster, they’re still worth it. Go online or to your local sports supply store to find suits specially made for your exact temperature range. [14]
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  • Question
    How do I get used to the cold temperature?
    Community Answer
    You can start by decreasing the temperature when you shower to get used to being in cold water. Start swimming in the summer, when the water is warmest, and keep it up as the water gradually gets colder. You can also exercise to a sweat before going into the water. This will make the cold water feel more pleasant.
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  • Question
    I want to swim, but the water in my swimming pool is very cold. Should I wear a wetsuit? Which wetsuit weighs the least?
    Community Answer
    You could do one of two things: 1) get a wetsuit, 2) swim a length underwater to let your body adapt to the cold water.
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  • Question
    How do I swim in cold water with slimy rocks?
    Community Answer
    A pair of wetsuit shoes with grip will help you out here. Ease yourself into the water slowly, making sure you have a firm grip on less slimy rocks. Once you get into a safe depth, you can start swimming.
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      Warnings

      • Swimming in any water under 70℉ (21℃) can lead to increased difficulty breathing. Always exercise caution in water with temperatures at or under this level.
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      • Always train with another person present.
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      • If your fingertips or lips turn blue or white or you’re gasping for air, get out of the water and get into dry and warm clothes.
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      • Swimming in cold water can lead to hypothermia and death. You need to be extremely careful when cold-water swimming.
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      References

      1. ↑ https://www.active.com/fitness/articles/8-ways-to-handle-swimming-in-cold-water
      2. ↑ https://www.active.com/fitness/articles/8-ways-to-handle-swimming-in-cold-water
      3. ↑ https://www.active.com/swimming/articles/acclimating-your-body-to-cold-water-882380?page=2
      4. ↑ https://www.active.com/swimming/articles/acclimating-your-body-to-cold-water-882380?page=2
      5. ↑ https://www.nytimes.com/2016/12/15/sports/for-swimmers-with-ice-water-in-their-veins-an-event-to-match.html
      6. ↑ https://www.active.com/swimming/articles/acclimating-your-body-to-cold-water-882380?page=2
      7. ↑ https://www.active.com/fitness/articles/8-ways-to-handle-swimming-in-cold-water
      8. ↑ https://www.redbull.com/gb-en/cold-water-swimming-hacks
      9. ↑ https://www.active.com/fitness/articles/8-ways-to-handle-swimming-in-cold-water
      1. ↑ https://www.active.com/fitness/articles/8-ways-to-handle-swimming-in-cold-water
      2. ↑ https://360guide.info/wetsuits/water-temperature-chart.html#axzz4oQ66lE4m
      3. ↑ https://www.nytimes.com/2016/12/15/sports/for-swimmers-with-ice-water-in-their-veins-an-event-to-match.html
      4. ↑ https://360guide.info/wetsuits/water-temperature-chart.html#axzz4oQ66lE4m
      5. ↑ https://360guide.info/wetsuits/water-temperature-chart.html#axzz4oQ66lE4m

      About This Article

      Article Summary X

      Before you swim in cold water, warm up for 10-15 minutes by going for a brisk jog or doing some jumping jacks, which will help minimize the shock effect. Then, go into the water waist deep, dip your face in, and blow bubbles out of your mouth. Do this a few times to get your face used to the water and regulate your heart rate. Never dive into cold water since it could put your body in shock and cause hypothermia. If the water you're swimming in is under 70 degrees Fahrenheit, always wear a full wetsuit. To learn how to choose the best gear for swimming in cold water, scroll down!

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