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)16-05-2026 08:00
Latitude-
Longitude-
Wave Height (m)0.2
Max Wave Height (m)0.65
Tpeak (s)3.3
Tz (s)2.4
Peak Direction (degrees)-
Spread (degrees)-
Sea Temp (°C)-
Energy Period (s)-
Wave Power (kW/m)-

Latest Tide Data

Latest Tide data
Time (GMT)16-05-2026 08:30
Elevation2.75
Residual0.04
Next HW16:51, 7.74
Next LW10:48, 0.72
Highest Date03-02-2026
Highest Value8.22m
Lowest Date19-04-2026
Lowest Value0.29m

Latest Met Data

Latest Met data
Time (GMT)16-05-2026 08:30
Air Pressure (mb)1000
Wind Speed (knots)4.3
Wind Speed (ms-1)2.2
Gust Speed (knots)8.4
Gust Speed (ms-1)4.3
Wind direction (°)310
Air Temperature (°C)10.7
Rainfall (mm)0
Erythemal Radiation (W/m2)-
UV Index-
Relative Humidity (%)92.2