What are Weather Routing and Vessel Performance Monitoring?

There are two general types of operational weather services provided by weather routing companies:
[ul]
[li]Optimum Ship Routing[/li][li]Vessel Performance Monitoring[/li][/ul]Learn what the difference is between optimum ship routing (weather routing) and vessel performance monitoring.

http://oceanweatherservices.com/blog1/2012/02/08/what-are-weather-routing-and-vessel-performance-monitoring/