Storm Glass Marine Weather vs Open-Meteo

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearno
Data licenseUnverifiedCC-BY 4.0
Free tierFree tier — API key required<10,000 calls/day, no signup
Rate limitUnpublished600/min · 5,000/hour
In directory since2026-07-052026-05-02
operationalpartialdownno data

Storm Glass Marine Weather vs Open-Meteo: common questions

Which is more reliable, Storm Glass Marine Weather or Open-Meteo?

On our scheduled checks, Open-Meteo leads on measured uptime — Storm Glass Marine Weather at —% versus Open-Meteo at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Storm Glass Marine Weather and Open-Meteo need an API key?

Open-Meteo needs no key, while Storm Glass Marine Weather requires a free API key. If you want to start calling without signup, reach for Open-Meteo first.

Can I call Storm Glass Marine Weather and Open-Meteo from the browser?

Yes — both Storm Glass Marine Weather and Open-Meteo send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Storm Glass Marine Weather and Open-Meteo free for commercial use?

Storm Glass Marine Weather has unclear commercial terms, and Open-Meteo is personal/non-commercial only. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.