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)08-07-2025 16:30
Latitude-
Longitude-
Wave Height (m)0.21
Max Wave Height (m)0.6
Tpeak (s)3.9
Tz (s)2.1
Peak Direction (degrees)-
Spread (degrees)-
Sea Temp (°C)-
Energy Period (s)-
Wave Power (kW/m)-

Latest Tide Data

Latest Tide data
Time (GMT)08-07-2025 17:20
Elevation5.68
Residual-0.09
Next HW04:12, 6.34
Next LW22:06, 2.02
Highest Date31-03-2025
Highest Value8.34m
Lowest Date30-03-2025
Lowest Value-0.05m

Latest Met Data

Latest Met data
Time (GMT)08-07-2025 17:20
Air Pressure (mb)1012.1
Wind Speed (knots)6.2
Wind Speed (ms-1)3.1
Gust Speed (knots)10
Gust Speed (ms-1)5
Wind direction (°)330
Air Temperature (°C)16.6
Rainfall (mm)0
Erythemal Radiation (W/m2)-
UV Index-
Relative Humidity (%)74.1