WWV, WWVH HF Voice (Time Tick)

National Weather Service Products via WWV, WWVH HF Voice

Effective January 31, 2019, the NWS Discontinued NWS High Seas and Storm Warnings over NIST Time Frequency Broadcasts

The National Institute of Standards and Technology (NIST), formerly the National Bureau of Standards, broadcasts a time and frequency service from stations WWV in Fort Collins, CO and WWVH in Kauai, Hawaii., commonly known to mariners as the "Time Tick", used as an aid in celestial navigation.

Discrimination between the two stations may be accomplished as WWV uses a male announcer for announcement of time, while WWVH uses a female announcer.

The audio portions of the WWV and WWVH broadcasts can also be heard by telephone. To hear these broadcasts, dial (303) 499-7111 for WWV (Colorado), and (808) 335-4363 for WWVH (Hawaii). Callers are disconnected after 2 minutes. These are not toll-free numbers; callers outside the local calling area are charged for the call at regular long-distance rates. The telephone service is very popular. The WWV number receives over 1 million calls per year, and the WWVH number receives more than 50,000.

For further information on WWV, WWVH and time signals worldwide, see NGA Publication 117 "Radio Navigational Aids"

All NWS marine forecasts rely heavily on the Voluntary Observing Ship (VOS) program for obtaining meteorological observations.