The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.
The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
WMM Update
Note: The WMM2025 coefficient files are now available, and the software will be available soon. We apologize for any inconvenience this may cause. If you have any questions, please don’t hesitate to reach out via email at ncei.info@noaa.gov.