Maritime Weather Insights

Assess the level of risk and efficiency for your shipping route

Access Spire’s vast proprietary global weather data to identify the degree of efficiency and risk for your vessel, your cargo, and your crew on a single or several potential voyage paths.

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Actionable weather insights

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Easy to use weather API

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Data-driven decision making

Improve efficiency and safety

Get actionable suggestions about how the weather could impact your assets. Obtain an analysis of how upcoming weather conditions will impact your operations and enable you to focus on improving efficiency and safety.


Risk insights – how does it work?


Spire Weather Risk Insights calculates a snapshot of a vessel’s risk level for each leg of the voyage at sea. The user inputs characteristics of the vessel, load, and desired route into an API, and Spire’s algorithm calculates the projected risk along the route.


A simple “Traffic-Light” concept will convey the result for each queried part of the journey: red, amber and green. You’ll also receive the reason for the color for each leg of the voyage.


You can appraise the risk value along multiple navigation paths and choose the best one that will help you maintain safety and protect your crew, cargo and vessel.

Spire weather insights shipping route dashboard example


Vessel risk level

By default, all legs are considered “green” when we start. If, at any location inside the leg – in the time the vessel is expected to cross that part of the leg – we have a potential risky weather condition, the leg will receive either an amber or a red result, and an indication of what was the condition that triggered it.

Risk aspects

Taking the given vessel and commodity characteristics AND Spire’s forecasted weather data, the Insights service will define the risk value for each leg. Here are examples of the weather attributes that affect each of the risk aspects mentioned (Vessel, Cargo, Crew):

Vessel risk

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Hazardous checklist

Ice accretion (basic)
Wind (general)
Wind gust
Wind waves
Air pressure*

Cargo risk

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Hazardous checklist

Commodity maintenance – (dew point)
Commodity maintenance – (temperature)
Commodity maintenance – (humidity)
Wind (general)
Wind (gust)
Wind (waves)

Crew risk

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Hazardous checklist

Wind (general)
Wind (gust)
Wind (waves)
Crew functional temperature

*Future addition

Efficiency insights – how does it work?


You can easily analyze more than one route to identify the most optimal trajectory to sail through. You enter the details of your ship, the waypoints for your potential journey, and your cargo characteristics into the API.


Spire’s Efficiency Insights will comb through this and merge it with the weather forecast data for that specific route to deliver actionable insights through a coloured spectrum.


Each part of the queried route is represented by one out of five color options: Red, Amber, gray, Light Green, or Green. Those indicate the expected efficiency level for each leg. The reason for each color will also be given, so you’ll know what to expect.

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Product specifications

  • Coverage: Global
  • Temporal Resolution: 10 days forward: hourly data to 48 h, 3-hourly to 120 h (5 days); 6-hourly to 240 h (10 days)
  • Spatial Resolution: 1/8th-degree (12km) resolution

What our customers say

“The Spire Weather Forecast excels for open ocean weather forecast accuracy. The level of development and speed of innovation that Spire is putting into its models continues to impress us.”

Nick Olsen
Marketing & Business development manager – Predictwind

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“We’re a specialist company that does remote sensing, so we know the value that satellite technology brings to the table. This is why we’re so happy Spire provides such data points using satellite technology as it covers the entire world without any gaps. Before, the level of accuracy was only 75% but now with Spire’s integration, it’s gone up to 95%.”

Rishikiesh Sapre
Co-founder – Mantle Labs

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“Weather routing has the potential to drive greater efficiency and emissions reduction as open-ocean conditions greatly impact performance. Partnering with Spire Weather puts genuinely market leading data into the hands of more users allowing them to enhance vessel performance.”

Soren Meyer
CEO – Zeronorthx

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