NOAA HF Radar National Server

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

Access Data via NDBC THREDDS Server

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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

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

View HF Radar data in Tabular Format.