NDBC HF Radar Surface Currents Service
Provides near-real-time ocean surface current speeds and directions derived from High-Frequency (HF) radar systems operated by NDBC and partner networks in various nearshore areas of the United States. Both hourly and 25-hour averaged current products are available. The service is accessible at https://hfradar.ndbc.noaa.gov/ and integrates with the broader NDBC station data infrastructure. Data supports maritime safety, search and rescue operations, and coastal oceanographic research.