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Maritime · head to head

FleetMon vs Weathernews Inc

F

FleetMon

Maritime

Track ships and manage fleets worldwide

From
Free
Rated
-
Full reviewWebsite
Weathernews Inc logo

Weathernews Inc

Weather

Global weather solutions for shipping

From
$600/month
Rated
-
Full reviewWebsite

The short version

  • Only FleetMon has a free tier, so it costs nothing to try first.
  • Each has a real cost: FleetMon service discontinued in January 2024 and fully phased out with transition to MarineTraffic; Weathernews Inc primarily Japan-based with headquarters in Chiba, may have lower coverage in certain regional markets outside Asia
  • They diverge on capability: FleetMon covers Global vessel tracking, Weathernews Inc covers Optimum ship routing.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which FleetMon and Weathernews Inc actually diverge.

Attributes where FleetMon and Weathernews Inc differ
AttributeFleetMonWeathernews Inc
Starting priceFree$600/month
Pricing modelfreemiumsubscription
Free tierYesNo
PlatformsWeb, Ios, AndroidWeb, Api, Mobile
CategoryMaritimeWeather
Founded20071986

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in FleetMon

  • Global vessel tracking
  • Port statistics
  • Voyage tracking
  • REST API
  • Webhooks
  • Data exports
  • Ios support
  • Android support

Only in Weathernews Inc

  • Optimum ship routing
  • Weather forecasting
  • Voyage planning
  • Risk assessment
  • Bridge systems
  • Navigation software
  • Api support
  • Mobile support

Both cover

  • Fleet management
  • Web support

What people use each for

The jobs each tool is most often brought in to do.

FleetMon

No use cases recorded yet. See the FleetMon review.

Weathernews Inc

  • Optimizing cargo ship navigation with real-time maritime weather forecastsnot FleetMon
  • Supporting offshore wind farm operations with 24-hour weather monitoringnot FleetMon
  • Providing exclusive wind data for commercial drone flight planningnot FleetMon
  • Routing emergency medical helicopters in Japan with weather intelligencenot FleetMon

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

FleetMon

  • Service discontinued in January 2024 and fully phased out with transition to MarineTraffic
  • Free tier coverage was limited compared to premium plans requiring subscription fees
  • Data gaps in regions with poor terrestrial AIS infrastructure before satellite coverage was added

Weathernews Inc

  • Primarily Japan-based with headquarters in Chiba, may have lower coverage in certain regional markets outside Asia
  • Marine weather data and aviation services are newer offerings compared to core weather forecasting capabilities
  • Competition from established European weather services in maritime sector

Pricing, plan by plan

FleetMon

Free
  • Professional$19/month
    • Unlimited fleet tracking
    • API access
    • Historical data

Weathernews Inc

$600/month
  • Optimum Routing$1500/month
    • Weather routing
    • Voyage optimization
    • 24/7 support

Which should you pick?

Choose FleetMon if

  • You need global vessel tracking.
  • You want to start without paying.
  • You work on Web, Ios, Android.
  • You also want port statistics.
FleetMon review

Choose Weathernews Inc if

  • You need optimum ship routing.
  • You work on Web, Api, Mobile.
  • You also want weather forecasting.
Weathernews Inc review

Questions people ask

Is FleetMon or Weathernews Inc better?
Neither clearly leads. FleetMon starts at Free and Weathernews Inc at $600/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, FleetMon or Weathernews Inc?
FleetMon has a free tier; the other does not. Paid plans start at Free for FleetMon and $600/month for Weathernews Inc.
Does FleetMon or Weathernews Inc run on more platforms?
FleetMon runs on Web, Ios, Android. Weathernews Inc runs on Web, Api, Mobile.
Can I use FleetMon for free?
Yes. FleetMon has a free tier, so you can try it without paying. Weathernews Inc starts at $600/month.
What can FleetMon do that Weathernews Inc cannot?
FleetMon covers Global vessel tracking, Port statistics, Voyage tracking, REST API. Weathernews Inc covers Optimum ship routing, Weather forecasting, Voyage planning, Risk assessment. Both handle Fleet management, Web support.

Answered from the vendors’ own pages

FleetMon: Does FleetMon work globally?

FleetMon had access to positions from both terrestrial AIS receiver stations and satellite AIS through partnership with exactEarth, providing undelayed signals from its network combined with global space-based tracking.

Source
Weathernews Inc: Does Weathernews provide marine weather data?

Yes. Weathernews provides wind, wave, current, sea ice, and typhoon information for global marine operations through its SeaNavigator platform, which launched SeaNavigator for Master in December 2025 with AI-assisted operations support.

Source
FleetMon: What happened to FleetMon after 2024?

FleetMon was phased out from January 2024 as part of its integration into MarineTraffic following Kpler's acquisition of both platforms in March 2023. The FleetMon brand no longer accepts new registrations or offers new services.

Source
Weathernews Inc: What marine weather products does Weathernews offer?

Weathernews offers SeaNavigator Marine Weather Service, SeaNavigator for Master with conversational AI for captains, and marine data for Middle East waters made available free of charge in April 2026.

Source
FleetMon: Could you track individual vessels in real-time with FleetMon?

Yes, FleetMon Explorer provided live AIS vessel tracking with filtering by vessel class, flag, length, speed, navigational status and signal age, enabling real-time monitoring of individual ships from a global overview to single vessel level.

Source
Weathernews Inc: Does Weathernews serve the aviation industry?

Yes. Weathernews expanded aviation services with the December 2025 launch of SkyAviators, offering Global Aviation Weather Intelligence with turbulence risk assessments and takeoff/landing feasibility judgments for airports worldwide.

Source
FleetMon: What was the starting price for FleetMon Explorer?

FleetMon Explorer pricing started at €54 per month, with subscription plans offering varying levels of access including free basic plans and paid tiers with additional features like historical tracking up to three years back.

Source
Weathernews Inc: What was Weathernews founded in response to?

Weathernews was founded on June 11, 1986 by Hiro Ishibashi in response to a tragic maritime disaster where a cargo vessel sank at the port of Onahama, Japan with 15 crew members lost, demonstrating the need for better weather information.

Source
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