Storm Glass Marine Weather vs Weather Underground API
Same instrument, two spec sheets — measured, not claimed.
Storm Glass Marine Weather vs Weather Underground API: common questions
Which is more reliable, Storm Glass Marine Weather or Weather Underground API?
Both are neck-and-neck — Storm Glass Marine Weather and Weather Underground API each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, Storm Glass Marine Weather or Weather Underground API?
Weather Underground API has the lower median latency in our checks — Storm Glass Marine Weather responds in 238 ms versus Weather Underground API at 104 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do Storm Glass Marine Weather and Weather Underground API need an API key?
Both ask you to authenticate — Storm Glass Marine Weather uses an API key and Weather Underground API uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.
Can I call Storm Glass Marine Weather and Weather Underground API from the browser?
Yes — both Storm Glass Marine Weather and Weather Underground API 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 Weather Underground API free for commercial use?
Storm Glass Marine Weather has unclear commercial terms, and Weather Underground API has unclear commercial terms. 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.