NOAA HF Radar National Server

High Frequency (HF) Radar is used to remotely measure ocean surface currents.

Access HF Radar Data via NDBC THREDDS Server

This map is best viewed in landscape mode.

Click for help
200
180
160
140
120
100
80
60
40
20
0
3.8
3.6
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
Data Age (in hours): ● 0-3 ▲ 4-12 ⯀ 13+
Selected Station

View recent HF Radar data in Tabular Format.

Historical data may be found at the NCEI Radial Archive and the NCEI RTV Archive.

For more information, see IOOS® High Frequency (HF) Radar.