Approach from offshore with some approximate coordinates 37º 11,667N y 007º 03,356W,, in this situation at north, the fairway buoy indicate the navigable channel
Navigation channel is variable and the competent administration strives to signalize. The position of the buoys is updated several times a year. The difference between high and low tide, on this coast, ranges from 3.7 meters at spring tides, and just 2 meters from the neap tides.
Useful for the navigator is to know that with easterly winds in the Straits of Gibraltar tide levels can rise up to 20 cm. Above the forecast, strong wind and N-west the opposite effect. The draft of the mouth is reduced to 1 meter of water at low tide and at high tide drafts vary from 3 to 4.7 meters deep. These measures limit the entry of vessels with deep draft.
From this website we strive to update travel information navigator, are logically variables and theoretical and responsibility of the captain to navigate with caution and safety margin.