In summer, sea travel is the choice of many people wishing to relax and enjoy the water sports. Vietnam is the most popular destinations with famous beaches have ranked in top 100 in the world such as: Bai Dai beach in Phu Quoc island, An bang beach in Hoi An, Ha Long Bay, Bai Tu Long Bay…
>> The beaches should go in Vietnam
>> 2 Vietnamese beaches enter world’s top 100 beaches
To have a safe vacation, especially in strange waters, visitors should “learn by heart” following rules.
Do not, should not when bathing…
Do not to bath if the temperature is below 18 degrees celsius. Exercise before going to bath but not too much.
Slowly go into the water, do not throw down immediately. First time, do not swim more than 15 minutes, not too far from shore in 15 meters or deeper than 5m area. The easiest way is keeping inside the limit flags that used in almost beaches.
Should not be sun bath too long before go into the water. Do not keep your stomach too empty or or too full. Do not hold your breath too long while diving.
Pay attention…
Poisonous jellyfish, your enemies!
Get out of water immediately when has the following symptoms: itchy body, feeling cold, unusually tired, aching forehead or nape. Cramps or visual disturbances. There are signs of abdominal distention, pain, elbow and knee.
At the beach, the new toxic jellyfish and the reverse flow is offshore top two threats to travelers. If the beach has poisonous jellyfish, you should wear full body tight swimwear and bring vinegar to applied to the wound of jellyfish sting.
If you do not have vinegar, wash the wound of jellyfish sting by sea water then covered up by sand on the beach. Thus jellyfish sting will lessen.
Sea backflows!
But a more dangerous phenomenon, which is after continuous hitting the shore of waves, a backflow into the sea is formed. This backflow of water maybe not change stable throughout month or year, but they can also keep changing every hour.
Why backflow is dangerous?
At some beaches, the backflow does not flow seaward, it runs along the coast. It’s usually narrow, horizontally between 1-3m, some others maybe has the horizontally over tens of meters wide, the average velocity of 0.5-1.0 m/sec, faster than the speed of human swimming.
Backflow is the cause of most cases of rescue and drowned while bathing in the world. The reason is that it pulls people swim away from the shore, making exhaustion swim drowned in a panic and exhaustion while trying to swim against the flow.
For those who can not swim, backflow can pull they further away whether they was standing in water only waist. Then people will not swim may panic and drown.
What is more dangerous is where the backflow formed the water often flat, little thought waves so visitors often come here and swim ignore hazard warnings, then they will immediately be swept away into the sea.
How to recognize the backflow: Before swim, visitors should take about 5-10 minutes to observe the sea. Backflow often brings the following characteristics: darker because it deeper, quieter water, usually smaller waves, sometimes you can see the debris or foam floating on the water backflow and drift out to sea.
How to get out of the backflow: Actually, backflow does not take people into the water, it just pulls swimmers away from shore, and then pushes swimmers to the area has waves hit the shore.
However, people often fall into the drowning backflow because of the nature of people that trying to swim against the flow to the shore, exhausted and quickly lead to drowning.
Besides, the panic that make swimmers are no longer accurate judgment. Therefore, it is more important that crashed into the backflow is to be calm, do not try to swim against the flow. If confident, visitors swim parallel to the shore, often it can bring swimmers to the waves hitting area and then visitors can swim to the shore. For weak swimmers: When can not touch the bottom of sea or feeling out of weakness, raised hand as signaling, calm down, float to keep the power then call for help.
Also, if the backflow is weak, try to swim parallel to the shore to get the waves hitting area.
Remember that backflow can cause danger at any time, not just when a big wave.
