In the summer the trips on boats increases considerably to enjoy the good weather in the high seas. It is convenient to remember some advices in case you control the boat or are part of the crew.
It is very important not to sail when the weather is bad. Check the weather in the sea before leaving so that you avoid the bad conditions.
If you use the channels specially installed for the boats, keep an eye always to the bow just in case there might be imprudent bathers or even smaller boats.
It is important to always follow the advices of the sea competent authority, such as the Guardia Civil (Civil Guard) or Protección Civil (Civil Protection)
Do not forget to sail without anchor as in case of an average of lack of oil you can avoid to leave the boat adrift.