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.

Port Isaac

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)05-10-2026 20:30
Latitude-
Longitude-
Wave Height (m)0.24
Max Wave Height (m)0.5
Tpeak (s)5.8
Tz (s)2.9
Peak Direction (degrees)-
Spread (degrees)-
Sea Temp (°C)-
Energy Period (s)-
Wave Power (kW/m)-

Latest Tide Data

Latest Tide data
Time (GMT)05-10-2026 21:20
Elevation3.21
Residual-0.18
Next HW01:21, 5.92
Next LW07:46, 2.51
Highest Date03-02-2026
Highest Value8.22m
Lowest Date19-04-2026
Lowest Value0.29m

Latest Met Data

Latest Met data
Time (GMT)05-10-2026 21:20
Air Pressure (mb)1013.2
Wind Speed (knots)0.8
Wind Speed (ms-1)0.4
Gust Speed (knots)1.7
Gust Speed (ms-1)0.9
Wind direction (°)300
Air Temperature (°C)14.2
Rainfall (mm)0
Erythemal Radiation (W/m2)-
UV Index-
Relative Humidity (%)96.7