M5 wave buoy observations on Fri, Jan 2, 2026 last observation shown oldest observation available Daily averages for
Line chart showing wave height and wave period for M5. Use the detailed observations table below for the same data in text form.
About M5 wave buoy
M5 is an offshore data buoy in the Atlantic approaches (51.4100°N, 6.4200°W). It is positioned to monitor swell and storm waves moving toward Ireland and the UK, supporting marine warnings. It typically reports waves (height/period/direction) and basic meteorology.
| Hour | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 4 | 4 | NW | 18 | 11.3 | |
| 5 | 4 | NW | 20 | 11.3 | |
| 5 | 4 | WNW | 18 | 11.3 | |
| 5 | 4 | WNW | 20 | 11.3 | |
| 5 | 4 | WNW | 20 | 11.3 | |
| 5 | 4 | WNW | 20 | 11.3 | |
| 4 | 4 | NNW | 20 | 11.3 | |
| 4 | 4 | NNW | 22 | 11.3 | |
| 5 | 4 | NNW | 20 | 11.3 | |
| 5 | 4 | N | 22 | 11.3 | |
| - | - | - | - | - | |
| 5 | 4 | N | 22 | 11.3 | |
| 5 | 4 | N | 22 | 11.3 | |
| 5 | 4 | N | 20 | 11.2 | |
| 5 | 4 | NNW | 20 | 11.2 | |
| 5 | 4 | N | 22 | 11.2 | |
| 5 | 4 | N | 20 | 11.2 | |
| 5 | 5 | NNW | 20 | 11.2 | |
| 6 | 5 | NNW | 22 | 11.2 | |
| 5 | 5 | NNW | 22 | 11.2 | |
| 6 | 5 | NNW | 22 | 11.2 | |
| 5 | 4 | NNW | 22 | 11.2 | |
| 5 | 4 | NNW | 22 | 11.2 | |
| 5 | 4 | NNW | 20 | 11.2 |