Guides

Plain explanations of what the layers show and how to read them. None of them promises fish.

• GuideWhat is a temperature break?A temperature break is the line where warmer and cooler water meet at the sea surface. On a sea surface temperature map it shows as a sharp change of colour.
• GuideWhat is an ocean eddy?An ocean eddy is a large, slowly rotating body of water, often tens to hundreds of kilometres across, that can last for weeks or months.
• GuideEast Australian Current mapThe East Australian Current (EAC) carries warm water south along the east coast of Australia. On Gannet View it shows as moving streaks coloured by temperature.
• GuideHow to read the map: age, grid size and estimatesOcean data come from satellites and models that were built to answer different questions. Gannet View keeps four things apart for every layer so you can judge what you are looking at.