PORTSTRAITWATCH

Monitoring Trade Disruptions from Space

PortWatch is an open platform designed to monitor and simulate disruptions to maritime trade flows. The platform helps policymakers and the public assess the impact of realized and future trade shocks based on real-time data sourced from the UNGP.


Access Data:

Access all data that power the PortWatch platform here.


New: Economy Monitor pages

Dive into PortWatch data on portcalls, incoming and outgoing shipments at an aggregated level for all economies and regions in the world. A nowcasting model of economy-level value and volume trade is also available for selected economies.


Global Trade Tensions page

Dive into PortWatch data showcasing containership port calls and shipments to monitor changes in maritime trade globally and for key economies.


Trade Nowcast Page

PortWatch now offers a Trade Nowcast page with a nowcasting model of global trade, based on the IMF Working Paper "Nowcasting Global Trade from Space" (Arslanalp et al., 2025). It uses real-time satellite data, with monthly updates and weekly revisions.


Trade Disruptions in the Strait of Hormuz

Strait of Hormuz

Notable chokepoint

25%

of Global Maritime Traded Oil

Trade volume through affected chokepoint(s)

🌍ArcGIS 3D Globe Viewer

Interactive 3D globe | Ports & maritime data | Terrain & satellite view

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PortWatch in Numbers

βš“

Ports & Chokepoints

2093
🚒

# of Ships Tracked

95K
πŸ“…

Daily Trade Data Since

2019
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Maritime Trade Covered

99%
πŸ’°

Annual Maritime Trade Value

$14T
Maritime trade visualization - Global shipping routes and port activity

Global maritime trade routes visualized through satellite data