National Network of Regional Coastal Monitoring Programmes

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Note that these are real-time data and are not quality-controlled. Long-range graphs are plotted from a randomised subsample of half-hourly data.

Swanage Pier

Tide Levels and Harmonics

  

Live water level data (OD) Data (GMT) (updated every 5 seconds)

This one-second stream of data to the website is experimental and is being developed in conjunction with Fugro GB Limited

Latest Wave Data

Latest Wave Data
Time (GMT)20-05-2026 22:30
Latitude-
Longitude-
Wave Height (m)0.31
Max Wave Height (m)0.62
Tpeak (s)10.7
Tz (s)4.3
Peak Direction (degrees)-
Spread (degrees)-
Sea Temp (°C)-
Energy Period (s)-
Wave Power (kW/m)-

Latest Tide Data

Latest Tide data
Time (GMT)20-05-2026 23:10
Elevation2.01
Residual-0.15
Next HW15:49, 1.94
Next LW06:27, 0.66
Highest Date23-01-2026
Highest Value2.59m
Lowest Date05-01-2026
Lowest Value0.28m

Latest Met Data

Latest Met data
Time (GMT)20-05-2026 23:00
Air Pressure (mb)1024.7
Wind Speed (knots)6.5
Wind Speed (ms-1)3.4
Gust Speed (knots)10.5
Gust Speed (ms-1)5.4
Wind direction (°)250
Air Temperature (°C)13.7
Rainfall (mm)0
Erythemal Radiation (W/m2)-
UV Index-
Relative Humidity (%)-