M4 wave buoy observations on Thu, Nov 27, 2025 last observation shown oldest observation available Daily averages for
About M4 wave buoy
M4 is an offshore data buoy in the Atlantic approaches (55.0000°N, 10.0000°W). It supports marine forecasting by providing real‑time sea‑state and weather observations in open water. It typically reports directional waves and meteorology.
| Hour | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 41 | 12 | WSW | 45 | 11.8 | |
| 40 | 12 | WSW | 40 | 11.8 | |
| 41 | 12 | WSW | 43 | 11.8 | |
| 36 | 11 | WSW | 47 | 11.8 | |
| 28 | 10 | WSW | 45 | 11.8 | |
| 31 | 10 | SW | 45 | 11.8 | |
| 24 | 9 | SW | 45 | 11.8 | |
| 22 | 8 | SW | 43 | 11.8 | |
| 19 | 8 | SW | 45 | 11.8 | |
| 15 | 7 | SW | 45 | 11.8 | |
| 15 | 7 | SW | 45 | 11.8 | |
| 13 | 7 | SW | 36 | 11.8 |
Realtime data displayed on this page is from the
Met Office Marine observations
.