5 Things to Know About Swimming in 70°F Water

70°F is the cutoff for safe swimming Below that, your body loses heat faster than it produces it, raising the risk of hypothermia and cold shock.

Shivering starts around 70°F Shivering is the first sign your body is losing the battle to stay warm. Most people begin shivering at this temperature.

A quick dunk is fine, but a long swim is risky Cold water saps strength, numbs limbs, and makes breathing hard. A five-minute dip in 68°F water is not dangerous, but a prolonged swim is.

Kids and older adults are more sensitive They lose heat faster and are at greater risk in water below 70°F. Be extra cautious with them.

If the water feels uncomfortable getting in, listen to your body That discomfort is a warning. No swim is worth a trip to the ER.