The CO-OPS Astronomical Data service will be discontinued at the end of 2024.

All the lunar data presented through this service (Phases of the Moon, etc.) are available through the U.S. Naval Observatory, Astronomical Applications service, and can be accessed here:

https://aa.usno.navy.mil/data/index

Please send any comments or concerns to our Customer Services email address:

Tide.Predictions@noaa.gov