Storm Glass Marine Weather vs US Weather

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedU.S. Government work / public domain
Free tierFree tier — API key requiredFree (US Government public data)
Rate limitUnpublishedUnpublished (asks for a User-Agent identifying your app)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Storm Glass Marine Weather vs US Weather: common questions

Which is more reliable, Storm Glass Marine Weather or US Weather?

On our scheduled checks, US Weather leads on measured uptime — Storm Glass Marine Weather at —% versus US Weather 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 US Weather need an API key?

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

Can I call Storm Glass Marine Weather and US Weather from the browser?

Yes — both Storm Glass Marine Weather and US Weather 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 US Weather free for commercial use?

Storm Glass Marine Weather has unclear commercial terms, and US Weather allows commercial use on its free tier. 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.