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Maritime & Ocean Data

Global Shipping Lanes & AIS Traffic

Global shipping lane and AIS data provides vessel route density for maritime navigation and spatial analysis.

Format GeoTIFF / Shapefile
Coverage Global (denser in high-traffic areas)
Resolution 1km grids to route lines
License Varies (NOAA: public domain)
Update Annual AIS compilations
Download source Open official source

Format

GeoTIFF / Shapefile

Geometry

Raster / Line (traffic density)

Coverage

Global (denser in high-traffic areas)

Resolution

1km grids to route lines

About this dataset

Global shipping route and AIS vessel traffic density data from NOAA MarineCadastre and satellite AIS sources.

Global shipping lane datasets provide vessel traffic routes, shipping density, and AIS traffic patterns. NOAA MarineCadastre provides AIS-derived shipping density grids for US waters. Global coverage is available from satellite AIS sources and vessel tracking data.

Maritime navigation Port planning Marine spatial planning

How to download

  1. 1 Open MarineCadastre AIS data portal.
  2. 2 Select vessel type and year.
  3. 3 Download GeoTIFF traffic density grids.
  4. 4 Combine with EEZ and port data.

MarineCadastre AIS

US AIS vessel traffic density

→

Global shipping map

Global vessel traffic visualization

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FAQ

What is AIS data?

AIS is a maritime tracking system transmitting vessel identity, position, course, and speed. Aggregated data reveals shipping patterns.

Is global AIS free?

NOAA provides free AIS grids for US waters. Global data requires satellite AIS providers.