Measurement Summaries

Water Temperature 
Is measured in the surface 1m of the water column at the shoreline, usually from a harbour wall or similar.  It is measured at the same locations as water level. This data is captured by the temperature sensor located at Jumeirah Beach Hotel marina.

Air Temperature
Is the ambient temperature indicated by a thermometer exposed to the air but sheltered from direct solar radiation. In general terms 0–10 °C indicates cold, 10–20 °C mild, 20–30 °C warm, 30–40 °C hot and above 40°C very hot. This data is captured by the meteorological station located at Jumeirah Open Beach.

Water Level
Is the measured height of the water relative to the Dubai Municipality Datum. It includes both tidal and surge effects. This data is captured by the tide gauge located at Jumeirah Beach Hotel marina.

Wind Speed and Direction
Wind Speed is the rate of flow of the wind undisturbed by obstacles relative to the surface of the Earth. Wind speeds are given as the equivalent speed at a standard height of 10 metres above open flat ground. Wind Direction is the direction from which the wind is blowing.  It is reported with reference to true north, or 360 degrees on the compass, and expressed to the nearest 10 degrees, or to one of the 16 points of the compass (N, NE, WNW, etc.). For example, an easterly wind is blowing from the east, not toward the east. This data is captured by the meteorological station located at Jumeirah Open Beach.

Current Speed and Direction
Current Speed measures how far the water moves in a second. The movement of the water is caused by the gravitational effects. Current Direction tells the direction of the water flow.In the coastal zone, the current direction reverses on the flood tide (low water to high water) before resuming on the ebb tide (high water to low water). This data is captured by an ADCP (Acoustic Doppler Current Profiler) located at Jumeirah Open Beach at, approximately 200m offshore from the T breakwater and 10m mean sea level water depth.

Wave Height and Direction
Wave Height is the significant wave height of combined wind and swell waves. Wave Direction is a statistical parameter, which is the mean direction of the waves during the measurement sampling period. By convnetion wave direction, like wind direction, is the direction waves come from, not where they are going to. The sampling period is typically 1 to 3 hours. This data is captured by an ADCP (Acoustic Doppler Current Profiler) located at Jumeirah Open Beach at, approximately 200m offshore from the T breakwater and 10m mean sea level water depth.