NOAA Weather Wire Service (NWWS)

Mission: Timely delivery of critical weather information

Description: NWWS singular purpose is to provide timely meteorological, hydrologic, climate, and geophysical information to state and Federal governments, emergency managers, commercial users, media outlets (television, radio, social), and the general public.

NWWS collects various weather products, alerts and warnings from NWS National Centers and Weather Forecast Offices (WFOs) and makes all available over the National Weather Service Satellite Broadcast Network (SBN/NOAAPORT) and via an "Open Interface" using the Internet.

Meeting Notice

NWWS Webinars are complete, please check back to see if another has been scheduled. Thank you for your interest.

If you need assistance, send e-mail to

If you would like to report an issue, send an e-mail to

For more information please contact:

Gregory Zwicker,
NWWS Program Manager
Office of Dissemination
1325 East West Hwy SSMC-2, #3422
Silver Spring, MD 20910



NWWS Schedule image


NWWS-2 Configuration



Here are the top 6-reasons there may be an authentication failure;

  • User_id or Password is incorrect; these are case sensitive.
  • Firewall(s) have not been adjusted.
  • Wrong bit rate (32 or 64) software program is used (NWWS End User Client specific)
  • Port assignment is not "5223"
  • Router was not configured properly
  • Not connecting to

If after checking the above you still have an issue, use the NWWS Help e-mail to describe the error code you are still receiving (or problem) and we will try to assist.

Remember: Only one (1) program on one (1) computer can use the assigned user_id and password to log into the NWWS Open Interface.
Anything else will crash your system(s).

End User Client (EUC) Issue
If your system is running slower than usual or appears frozen; multiple copies of the EUC may be open.
Close all EUC windows and restart.

NWWS OI Request

NWWS OI Request

To request a user_id and password for NWWS Open Interface access,
please provide the following:


First Name:
Last Name:
Contact e-mail: