Loitering is when a single vessel exhibits behavior indicative of a potential encounter event. Loitering is estimated using automatic identification system (AIS) data, including vessel speed, duration in a given location, and distance from shore. Loitering occurs when a vessel travels at average speed of < two knots, while at least an average of 20 […]
Events and vessel detections may show in our platform, but tracks are missing.
Tracking refrigerated cargo ships, commonly called reefers, can help address illegal fishing in the Gulf of Guinea Transshipment, or the transfer of fish from one vessel to another, is a vital part of the global commercial fishing industry. It touches a wide variety of seafood products, from bigeye and skipjack tuna all the way to […]
Global Fishing Watch has launched an improved version 5 of our automatic identification system (AIS), vessel identity, imagery and vessel monitoring system (VMS) data pipelines, including a new general fishing model and a new vessel classification model.
User Guide English | Español | Français | Portuguese |中文 Menu Introduction The Global Fishing Watch map is the first open-access online platform for visualization and analysis of vessel-based human activity at sea. Powered by satellite technology and machine learning, the map merges multiple types of vessel tracking data to provide a view of global […]
Detailed Apparent Fishing Activity Overview Use cases AIS limitations VMS limitations Caveats General fishing model: How it works Fishing model pipeline Model performance Systematic bias Statistical bias Squid jigger predictions Longline predictions prototype Drifting longline fishing model and general fishing model Building the drifting longline fishing events insights Caveats and known issues of longline model […]
NGO collaboration will help fishery managers ensure transfer of catch is both legal and verifiable The transfer of fresh catch from fishing vessels to refrigerated cargo ships is an important but often opaque part of the industrial fishing sector. A new public global monitoring portal is a turning point in efforts to manage this activity. […]
Major Data Update: Improvements and FAQ Overview What is included in the new data release?Why is Global Fishing Watch introducing this data release?Is the website or map interface changing?What dataset names changed and why? Data improvements and technical upgrades How do the upgraded AI models work?What new baseline geographic data is included? Impact on data […]
Update integrates features from Carrier Vessel Portal directly into the Global Fishing Watch map.
New APIs provide statistics about fishing effort and vessel events worldwide or for a custom region.
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