Is it cold by the sea at night?

Is it cold by the sea at night? Many people choose to go to the seaside when they travel, because many times they don't have any troubles when they see the endless seaside. Some people choose to travel at night. Let's see if the seaside is cold at night.

Is it cold by the sea at night? 1 The temperature at night at the seaside is indeed lower than that in the morning, because everyone who has studied physics knows that the specific heat capacity of sand is lower than that of seawater, so this will lead to the temperature difference between day and night, so friends camping at the seaside should pay attention. When you rest at night, be sure to cover the quilt to keep warm, and be responsible for the temperature to drop slowly, which may lead to a cold.

Necessary items for seaside tourism:

1, change clothes: Try to bring clothes that are easy to dry, because playing at the seaside will inevitably get wet. You'd better reserve long-sleeved clothes; The sea breeze is very strong at night. Please bring your own bath towel (tent, flashlight), dry hair cap, swimsuit, shorts, goggles and swimming ring, but a pump is necessary.

2, shoes: sports shoes or sandals 1 pair, bring a pair of sandals or slippers must be waterproof, non-slip, preferably flat heels, slippers are better, wearing slippers at the seaside will be easier.

3, sunscreen: remember to bring sunscreen, sunglasses, umbrellas, the sun by the sea is very powerful.

4. Daily necessities: French PG cream, facial cleanser, shower gel, shampoo, soap, towel, toothpaste, toothbrush and comb.

5, medicine: you can't eat seafood when you go to the beach, you must bring antidiarrheal drugs and allergic drugs to prevent discomfort after eating seafood. Also bring mosquito bites, cool oil and band-AIDS, preferably electric mosquito coils.

Is it cold by the sea at night? What should I pay attention to when going to the seaside?

1, pay attention to civilization, don't litter on the beach or in the sea, and don't pollute the sea. Littering at the seaside will pollute the seaside environment, resulting in piles of garbage at the seaside, which can not be cleaned up in time and affect the mood of other tourists. At the same time, garbage entering the ocean with seawater will pollute the seawater and seriously affect the safety of marine life.

2, pay attention to the weather changes, don't go in typhoon weather or rainstorm weather, pay attention to safety. Bad weather is often accompanied by heavy rain and strong winds, so playing at the seaside may be dangerous. If it is blown into the sea or struck by lightning, it is not worth it.

3. Pay attention to the local sea conditions, master the tidal law, know the ebb and flow of the tide, and leave the dangerous sea area in time when the tide rises. The high tide and low tide of the sea water are very fast. If you don't pay attention, it may be difficult for security personnel to rescue you, so be sure to pay attention to the law of tides and stay away from dangerous areas.

4. Prepare sunglasses, goggles, sun hats, beach pants, T-shirts, slippers, sandals, sunscreen and other sunscreen products when going to the seaside.

The best temperature for swimming in the sea is 27 degrees Celsius. Generally, it can be launched above 2 1 celsius. To ensure safety, don't enter the deep water area after entering the bathing beach, especially don't go near the shark net.

6. When swimming at the seaside, be sure not to exceed the safety warning line. People who are not familiar with water should swim under the guidance of people who are familiar with water, and never go into the water alone. When taking part in water activities, tourists with children should take good care of their children and don't let them move alone.

7, suffering from heart disease, lung disease, asthma, high blood pressure, it is best not to participate in water, high altitude and other stimulating activities, pay attention to the changes of tides and waves, should be promptly showered with fresh water after landing.

8. It is best not to drink beer and eat seafood when traveling to the seaside.

Is it cold by the sea at night? 3. Safety knowledge that should be paid attention to when playing at the seaside.

Don't swim too long.

The temperature of the sea water is lower than the air temperature. Swimming for a long time will lose too much temperature in the body. Some people with poor physique may have unbalanced body temperature regulation and have symptoms of cold and fever. There is also a long-term swimming, and the skin is soaked in seawater for a long time, which leads to vasodilation and relatively insufficient blood supply to the skin. In addition, the limbs absorb water and edema for a long time, and the epidermis falls off seriously. Our skin is the main protective layer of the human body.

Soaking in water for a long time will also destroy the oil protective layer of the skin and increase the chance of germs invading the human body; Tips: After going out to sea, if the weather is cloudy and the sea breeze is strong, you should take warm measures immediately.

Don't swim in rainy days.

Rainy weather, the temperature is not high. In addition, due to the low water temperature, swimming at the seaside may cause cramps. Moreover, there are generally not many people swimming in rainy days. Swimming is generally forbidden in swimming venues, but there are so many beaches that it is not forbidden. Some brave and skilled people often go back and try. In addition, the waves are high and urgent at this time. Once an accident happens, others can't save it. Tips: Beach swimming usually goes to a regular beach swimming place, where the safety measures are generally comprehensive. Don't go to some sparsely populated beaches to play.

Don't eat before and after swimming.

It is recommended not to eat before and after swimming, because swimming is also equivalent to a sport. Eating before swimming, because the blood is mainly concentrated in the moving organs during swimming, will lead to a relative decrease in the blood gathered in the digestive tract, resulting in indigestion.

And it will increase the burden of swimming. It is not recommended to eat immediately after swimming. Like before eating, the blood circulation needs a process, and it is impossible to ease from the state of exercise immediately, so eating immediately after swimming will also lead to indigestion; Tip: Generally, eat and drink for more than an hour before and after swimming.

People with cardiovascular diseases should not swim.

Patients with cardiovascular diseases such as hypertension and coronary heart disease are not recommended to swim in the sea, especially those with coronary heart disease. Usually, they should pay special attention to the amount of physical exercise. Exercise should be mainly slow exercise such as walking, and strenuous exercise may lead to vascular occlusion, ischemia of some exercise-related organs such as the heart, which is life-threatening; Tips: If such patients want to swim, they can swim slowly in the indoor swimming pool accompanied by their families or just play on the beach.

Don't swim after exercise

After exercise, the main way of heat dissipation is sweat evaporation. If you go swimming at the seaside immediately after exercise, the hair follicles will close and the sweat of your body will not be effectively distributed. Although the temperature of seawater plays a certain role in heat dissipation, the heat emitted by people after exercise is far from enough. At this time, people may have gastrointestinal symptoms such as stomach pain, or dizziness, heatstroke and other symptoms, which must be paid attention to. Tip: Take a rest for at least half an hour after exercise, and go swimming at the seaside when your body is not sweating.

Don't stay away from the safe area for swimming.

Generally, regular seaside swimming places have strict safety measures. He will stipulate that you can only swim in a safe range, because some rocks in this safe range will trap people's sea mud, some tangled algae and aggressive marine life. It will be removed, and swimming here can relatively avoid drowning, and because of a range of regulations,

Everyone swims in this place, taking care of each other, and can come out to rescue in time in case of danger. If you stay away from this safe area and have an accident, it will be too late to save your life. Tip: Don't swim away from the crowd to avoid accidents.

Don't dive too deep when swimming.

The temperature of the sea water is different. I believe many people will feel deeply when they go swimming at the seaside, even if they swim in their own ponds. The deeper the sea water is, the lower its water temperature will be, and the temperature gradient will drop particularly quickly. If people dive,

It is very likely that due to the sudden change of water temperature, there will be cramps and drowning. Don't think you are at a high level. Generally speaking, most drowning people can swim. Tips: If you want to dive, you'd better play with your partner or go to a shallow place.

Don't swim in the hot sun.

Under the scorching sun, strong ultraviolet rays are harmful to the skin. In fact, at this time, the effect of any sunscreen is relatively poor, and it can't stop ultraviolet rays, especially for some people who go swimming by the sea, due to the radiation of seawater.

Sea water will find more ultraviolet rays than land. Sunburn is inevitable at this time. For a long time, you may even get skin cancer. Tips: Swimming in the sea under the scorching sun is not recommended. You can go to the indoor swimming pool instead of swimming at the seaside.