Storm Glass Marine Weather vs Sunrise-Sunset

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedn/a
Free tierFree tier — API key requiredUnlimited, attribution requested
Rate limitUnpublishedNo burst traffic
In directory since2026-07-052026-06-22
operationalpartialdownno data

Storm Glass Marine Weather vs Sunrise-Sunset: common questions

Which is more reliable, Storm Glass Marine Weather or Sunrise-Sunset?

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

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

Can I call Storm Glass Marine Weather and Sunrise-Sunset from the browser?

Yes — both Storm Glass Marine Weather and Sunrise-Sunset 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 Sunrise-Sunset free for commercial use?

Storm Glass Marine Weather has unclear commercial terms, and Sunrise-Sunset 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.