NOAA Office of Satellite and Product Operations

Sea Surface Height

    Operational Products
Sea Surface Height Anomaly Sea Surface Height Anomaly is measured as the difference between the best estimate of the satellite-observed sea surface height and a mean sea surface.

Jason-2 Product Information Handbook Link (PDF 1.8 Mb)
Jason-3 Product Information Handbook Link (PDF 1.6 Mb)

This is a text product


OSTM/Jason-2 & Jason-3 Resolution:
~300 m along track (20 Hz)
~7 km along track (1 Hz)
Frequency: 10-14 times each day

Significant Wave Height This product estimates the wave height from the shape and intensity of the altimeter radar echo, representing ~2-5 km footprint depending on sea state, to within 10% or 0.5 meters, whichever is greater.

Jason-2 Product Information Handbook Link (PDF 1.8 Mb)
Jason-3 Product Information Handbook Link (PDF 1.6 Mb)

Sample Significant Wave Height


OSTM/Jason-2 & Jason-3 Resolution:
~300 m along track (20 Hz)
~7 km along track (1 Hz)
Frequency: 10-14 times each day

Additional Links

SALP Products Specification – Volume 10: Jason-2 User Products (PDF 441K)
SALP Products Specification – Volume 10: Jason-3 User Products (PDF 448K)
OSTM/Jason-2 Products Handbook (PDF 1.8 Mb)
OSTM/Jason-3 Products Handbook (PDF 1.6 Mb)
Comet Module:  Jason-2: Using Satellite Altimetry to Monitor the Ocean

Other Jason-2/Ocean Surface Topography Mission (OSTM) web sites: