StormGlassvs
MarineTraffic
MarineTraffic: Global ship tracking intelligence
StormGlass
Global weather data API for maritime
As of 30 August 2026, StormGlass has a free plan and paid plans start at €19/month. StormGlass provides a powerful weather data API specifically designed for maritime applications. Softwr lists it under Maritime. StormGlass is launched in 2017, available on API.
Overview
What StormGlass does
StormGlass provides a powerful weather data API specifically designed for maritime applications. Their platform delivers accurate forecasts, historical data, and real-time conditions for marine weather routing and planning.
What people use it for
- Pulling marine weather and sea state forecasts into a vessel routing or planning tool
- Adding tide, wave and wind data to a maritime or coastal application
Related searches
The honest half
Where it falls short
Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about 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
Cross-shopped
What people choose instead of StormGlass
Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.
- StormGlassvsKongsberg Maritime
Kongsberg Maritime: Complete maritime technology solutions
- StormGlassvsChartCo
ChartCo: Integrated maritime compliance platform
- StormGlassvsSea Machines
Sea Machines: Autonomous vessel control systems
Pricing
What StormGlass costs
Taken from the vendor's own pricing page. Prices move, so check before you buy.
Free
Free
- 10 requests per day
- All weather parameters
- Not for commercial use
Small
€19 /mo
- 500 requests per day
- All weather parameters
- 10% annual discount available
Medium
€49 /mo
- 5000 requests per day
- All weather parameters
- Full support
Large
€129 /mo
- 25000 requests per day
- All weather parameters
- Full support
Capabilities
Features
Marine weather data
Wave forecasts
Tide data
Historical weather
REST API
Integration with REST API
Webhooks
Integration with Webhooks
SDKs
Integration with SDKs
Api support
Available on api
Answered, with sources
Questions people ask
Each answer names the page it came from, so you can check it rather than take our word for it.
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.
SourceWhat 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.
SourceIs annual billing available?
Yes, a 10% discount is available when paying annually on Small, Medium, and Large plans.
SourceBehind it
Who makes StormGlass
- Company
- StormGlass
- Based in
- Stockholm, Sweden
Keep looking
Where to go from StormGlass
- StormGlass alternativesEvery product people weigh against it
- StormGlass pricingPlans, floors and what the tiers exclude
- StormGlass badgesWhich rules it meets, and the figure behind each
- All Maritime softwareThe full category
- Best Maritime softwareThe shortlist, and how it was cut
Best Maritime software for
Compare StormGlass with
- MarineTraffic
- Kongsberg Maritime
- ChartCo
- Sea Machines
- Vizion
- Spire Global Maritime
- Flexport
- CargoSmart
- exactEarth
- NAVTOR
- Sofar Ocean
- S&P Global Maritime
- Drewry
- DTN
- FleetMon
- Kaleris
- Kongsberg Vessel Insight
- Linerlytica
Other Maritime software
Terminal operating, yard, rail and vessel software assembled from acquired supply chain brands
Pricing on request12 researched notesVessel data infrastructure and satellite connectivity sold as a per-vessel subscription
Pricing on request12 researched notes
Softwr does not host reviews and shows no star rating for StormGlass, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.
More on StormGlass
StormGlass alternatives
What people switch to, and what they give up
StormGlass pricing
Every tier, and where the cost actually lands
Compare StormGlass
Put it head to head with anything we hold
StormGlass badge
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