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Maritime · head to head

Sofar Ocean vs StormGlass

Sofar Ocean logo

Sofar Ocean

Maritime

Ocean data and weather routing platform

From
$500/month
Rated
-
Full reviewWebsite
StormGlass logo

StormGlass

Maritime

Global weather data API for maritime

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only StormGlass has a free tier, so it costs nothing to try first.
  • Each has a real cost: Sofar Ocean sensor data accuracy depends on global buoy network coverage which may vary in some regions; StormGlass the free tier allows 10 API requests per day and is not licensed for commercial use
  • They diverge on capability: Sofar Ocean covers Weather routing, StormGlass covers Marine weather data.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Sofar Ocean and StormGlass actually diverge.

Attributes where Sofar Ocean and StormGlass differ
AttributeSofar OceanStormGlass
Starting price$500/monthFree
Pricing modelsubscriptionfreemium
Free tierNoYes
PlatformsWeb, ApiApi
Founded20122017

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

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 Sofar Ocean

  • Weather routing
  • Ocean data analytics
  • Voyage optimization
  • Fuel savings calculations
  • Navigation systems
  • Fleet management
  • Weather APIs
  • Web support

Only in StormGlass

  • Marine weather data
  • Wave forecasts
  • Tide data
  • Historical weather
  • REST API
  • Webhooks
  • SDKs

Both cover

  • Api support

What people use each for

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

Sofar Ocean

  • Ocean data and marine sciencenot StormGlass

StormGlass

  • Pulling marine weather and sea state forecasts into a vessel routing or planning toolnot Sofar Ocean
  • Adding tide, wave and wind data to a maritime or coastal applicationnot Sofar Ocean

Where each one falls short

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

Sofar Ocean

  • Sensor data accuracy depends on global buoy network coverage which may vary in some regions
  • Route optimization requires stable internet connection for real-time data access

StormGlass

  • The free tier allows 10 API requests per day and is not licensed for commercial use
  • Commercial use and any support at all start at the Medium plan, 49 euros a month
  • The Small plan at 19 euros a month has no support and no commercial licence
  • Request allowances are daily rather than monthly, so a burst of traffic cannot borrow against a quiet week

Pricing, plan by plan

Sofar Ocean

$500/month
  • Wayfinder$1500/month
    • Weather routing
    • Voyage optimization
    • Ocean data

StormGlass

Free
  • FreeFree
    • 10 requests per day
    • All weather parameters
    • Not for commercial use
  • Small$19/month
    • 500 requests per day
    • All weather parameters
    • 10% annual discount available
  • Medium$49/month
    • 5000 requests per day
    • All weather parameters
    • Full support
  • Large$129/month
    • 25000 requests per day
    • All weather parameters
    • Full support

Which should you pick?

Choose Sofar Ocean if

  • You need weather routing.
  • You work on Web, Api.
  • You also want ocean data analytics.
Sofar Ocean review

Choose StormGlass if

  • You need marine weather data.
  • You want to start without paying.
  • You work on Api.
  • You also want wave forecasts.
StormGlass review

Questions people ask

Is Sofar Ocean or StormGlass better?
Neither clearly leads. Sofar Ocean starts at $500/month and StormGlass at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Sofar Ocean or StormGlass?
StormGlass has a free tier; the other does not. Paid plans start at $500/month for Sofar Ocean and Free for StormGlass.
Does Sofar Ocean or StormGlass run on more platforms?
Sofar Ocean runs on Web, Api. StormGlass runs on Api.
Can I use StormGlass for free?
Yes. StormGlass has a free tier, so you can try it without paying. Sofar Ocean starts at $500/month.
What is Sofar Ocean best used for?
Sofar Ocean is most often used for ocean data and marine science. Of those, ocean data and marine science is not what StormGlass is typically brought in for.
What can Sofar Ocean do that StormGlass cannot?
Sofar Ocean covers Weather routing, Ocean data analytics, Voyage optimization, Fuel savings calculations. StormGlass covers Marine weather data, Wave forecasts, Tide data, Historical weather. Both handle Api support.

Answered from the vendors’ own pages

Sofar Ocean: What does Sofar Ocean's Wayfinder platform do?

Wayfinder is a real-time, data-powered route optimization platform that uses Sofar's ocean sensor network and vessel performance models to improve maritime route efficiency. Customers see average fuel savings of 6.9% per voyage.

Source
StormGlass: Is there a free tier available?

Yes, Stormglass offers a free plan with 10 API requests per day, including all weather parameters, but it is not permitted for commercial use.

Source
Sofar Ocean: How does Sofar Ocean collect ocean data?

Sofar operates the world's largest real-time ocean data platform using a global network of spotter buoys deployed across half the world's oceans to provide accurate weather forecasts and marine data.

Source
StormGlass: What does the Medium plan include?

The Medium plan costs 49 EUR per month and includes 5000 daily requests, all weather parameters, and full support for commercial use.

Source
Sofar Ocean: Does Sofar Ocean work with government agencies?

Yes. Sofar Ocean signed a five-year Cooperative Research and Development Agreement with the U.S. Naval Meteorology and Oceanography Command's Fleet Weather Centers in Norfolk, Virginia.

Source
StormGlass: Is annual billing available?

Yes, a 10% discount is available when paying annually on Small, Medium, and Large plans.

Source
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