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)24-01-2026 08:30
Latitude-
Longitude-
Wave Height (m)1.05
Max Wave Height (m)1.25
Tpeak (s)8.5
Tz (s)4.1
Peak Direction (degrees)-
Spread (degrees)-
Sea Temp (°C)-
Energy Period (s)-
Wave Power (kW/m)-

Latest Tide Data

Latest Tide data
Time (GMT)24-01-2026 09:00
Elevation7.48
Residual0.35
Next HW21:01, 6.82
Next LW14:57, 1.42
Highest Date23-01-2026
Highest Value7.87m
Lowest Date05-01-2026
Lowest Value0.71m

Latest Met Data

Latest Met data
Time (GMT)24-01-2026 09:00
Air Pressure (mb)969.3
Wind Speed (knots)11.5
Wind Speed (ms-1)5.9
Gust Speed (knots)19.8
Gust Speed (ms-1)10.2
Wind direction (°)160
Air Temperature (°C)7.7
Rainfall (mm)0
Erythemal Radiation (W/m2)-
UV Index-
Relative Humidity (%)96.1