P1-Maritimo is a physics-based voyage optimisation engine for container shipping. It computes the route-and-speed configuration that minimises fuel consumption within safety and schedule limits, then recomputes it continuously against the weather field as it evolves. The result is a routing decision that is always the current one, corrected and recomputed against the conditions present at the moment it is issued.
Most routing systems use one weather forecast across the entire route, treating it as equally accurate at every point along the way. In practice, forecast accuracy varies by location, terrain, and time. A model that is reliable in aggregate can be systematically off at a specific point of the corridor. Maritimo corrects for this variation. At each point along the route, a dedicated calibrator measures how the upstream forecast has been performing against actual observations, and applies the correction before the routing layer.
A route is not one forecasting problem. It is a thousand forecasting problems, each with its own error pattern. Maritimo is built around that structure. Location-specific calibrators run independently, refreshed every hour, and the routing optimisation runs over the corrected field they produce. Where traditional routing ends, Maritimo begins.
Every voyage operates inside a corridor of admissible routes, bounded by safety, schedule, and operational constraints. Existing routing systems consume the upstream forecast as-is. Maritimo treats each point of the corridor as a separate forecasting problem. A dedicated calibrator at each point measures how the upstream forecast has been performing against observations at that location, and applies the correction before the routing layer computes over it.
The system recomposes itself every cycle. Forecast precision at any given point of the corridor reflects that point’s own observation record. Routing decisions are made over this point-wise calibrated field, recomputed at every cycle as the field itself is recomputed.
Wind, wave, and current forecasts are corrected against actual observations at every point on the route, every hour. Open weather models are accurate at scale but consistently wrong in known, local ways. Maritimo learns those local errors and removes them before the routing layer makes a decision.
Hydrodynamic resistance and propulsion models calibrated to individual vessels, not class averages. Two ships built to the same specification will burn fuel differently in the same conditions. The model the routing decision is computed against is the model of that ship as it is now.
Speed choices on one leg compound into fuel and schedule consequences on every leg that follows. Maritimo evaluates each leg in the context of every other leg, then returns the speed profile that produces the lowest total fuel burn within the active safety and schedule constraints.
Maritimo is the first full-stack Principia application, a domain-specific instantiation of the Intelligence OS architecture applied to maritime operations. Calibrated environmental intelligence from P1-Tempo feeds directly into the routing optimisation layer. Forecast precision at the Tempo layer determines the quality of the field Maritimo optimises over, which determines the speed and route choices on each leg, which determine the realised fuel outcome. Routing decisions are traceable to the forecast precision, vessel model, and constraint set that produced them.
Tell us about your fleet and the routes you run. We will come back with a walkthrough on your own voyages.