With rapid advancements in maritime communication technology, the shipping industry is entering a new digital era. Weathernews Inc., headquartered in Chiba, Japan, has introduced SeaNavigator for Master, a next-generation operational support platform designed specifically for ship captains. This world-first system integrates AI-powered conversational support with real-time marine data, enabling captains to make safer, faster, and more informed decisions at sea while reducing the long-standing information gap between ships and shore-based teams.
AI-Driven Decision Support for Captains at Sea
The most groundbreaking feature of SeaNavigator for Master is its AI-powered conversational Agent, the first commercial AI system designed to support captains through dialogue. Captains can interact with the AI just as they would with a marine weather expert, asking questions about weather risks along planned routes, port conditions, wave height, wind speed, fuel consumption, and speed forecasts.
By referencing Weathernews’ extensive marine and operational data built on experience from over one million voyages the AI provides timely, relevant insights in a chat-based format. This allows captains to quickly assess risks, compare route options, and adjust voyage plans independently, without waiting for delayed email responses. The system enhances professional judgment rather than replacing it, ensuring that decision-making remains captain-led but data-rich.
Real-Time High-Resolution Forecasts and Voyage Route Simulation
Another major strength of SeaNavigator for Master lies in its access to high-resolution, real-time marine forecasts directly onboard. Unlike traditional systems that provided limited updates once or twice a day, this platform delivers detailed wind, wave, current, and tropical cyclone forecasts across all sea areas, displayed on intuitive nautical chart-style maps.
Complementing this is the Voyage Route Simulation feature, which allows captains to search for optimal routes at any time. By entering departure and arrival ports along with scheduling details, the system generates multiple route options ranked by weather risk. Captains can review estimated travel time, fuel consumption, distance, and maximum wave height for each option, enabling a balanced choice between safety, efficiency, and schedule reliability. This feature is especially valuable during voyages, as simulations can be updated using the vessel’s real-time position and the latest data.
SeaNavigator for Master represents a major step forward in maritime operational support, placing captains at the center of digital transformation. By combining AI-driven dialogue, real-time high-resolution forecasts, and advanced route simulation, the platform resolves long-standing information disparities between ship and shore. As Weathernews continues to enhance the system’s capabilities, this innovative service is set to redefine how voyage planning and operational decisions are made improving safety, efficiency, and confidence for captains navigating today’s increasingly complex seas.
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Source – WEATHER NEWS











