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)17-02-2026 01:30
Latitude-
Longitude-
Wave Height (m)1.3
Max Wave Height (m)2.9
Tpeak (s)4
Tz (s)3.5
Peak Direction (degrees)-
Spread (degrees)-
Sea Temp (°C)-
Energy Period (s)-
Wave Power (kW/m)-

Latest Tide Data

Latest Tide data
Time (GMT)17-02-2026 02:20
Elevation4
Residual-0.15
Next HW05:23, 7.32
Next LW11:40, 1.04
Highest Date03-02-2026
Highest Value8.22m
Lowest Date05-01-2026
Lowest Value0.71m

Latest Met Data

Latest Met data
Time (GMT)17-02-2026 02:10
Air Pressure (mb)1004
Wind Speed (knots)12.6
Wind Speed (ms-1)6.5
Gust Speed (knots)19.6
Gust Speed (ms-1)10.1
Wind direction (°)350
Air Temperature (°C)7.1
Rainfall (mm)0
Erythemal Radiation (W/m2)-
UV Index-
Relative Humidity (%)67.5