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)16-11-2025 05:00
Latitude-
Longitude-
Wave Height (m)0.38
Max Wave Height (m)1.35
Tpeak (s)2.6
Tz (s)2.3
Peak Direction (degrees)-
Spread (degrees)-
Sea Temp (°C)-
Energy Period (s)-
Wave Power (kW/m)-

Latest Tide Data

Latest Tide data
Time (GMT)16-11-2025 05:40
Elevation4.22
Residual0
Next HW14:52, 6.67
Next LW08:47, 2.11
Highest Date05-11-2025
Highest Value8.38m
Lowest Date30-03-2025
Lowest Value-0.05m

Latest Met Data

Latest Met data
Time (GMT)16-11-2025 05:30
Air Pressure (mb)999.7
Wind Speed (knots)8.2
Wind Speed (ms-1)4.2
Gust Speed (knots)18.1
Gust Speed (ms-1)9.3
Wind direction (°)40
Air Temperature (°C)10.2
Rainfall (mm)0
Erythemal Radiation (W/m2)-
UV Index-
Relative Humidity (%)88.3