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)13-11-2025 08:30
Latitude-
Longitude-
Wave Height (m)0.34
Max Wave Height (m)0.75
Tpeak (s)6.7
Tz (s)3.7
Peak Direction (degrees)-
Spread (degrees)-
Sea Temp (°C)-
Energy Period (s)-
Wave Power (kW/m)-

Latest Tide Data

Latest Tide data
Time (GMT)13-11-2025 09:00
Elevation4.84
Residual0.18
Next HW11:46, 6.09
Next LW18:28, 2.55
Highest Date05-11-2025
Highest Value8.38m
Lowest Date30-03-2025
Lowest Value-0.05m

Latest Met Data

Latest Met data
Time (GMT)13-11-2025 09:00
Air Pressure (mb)995.4
Wind Speed (knots)6.4
Wind Speed (ms-1)3.3
Gust Speed (knots)12.6
Gust Speed (ms-1)6.5
Wind direction (°)160
Air Temperature (°C)12.5
Rainfall (mm)0
Erythemal Radiation (W/m2)-
UV Index-
Relative Humidity (%)95.7