M2 wave buoy daily averages for Nov 2025 last observation shown Data available: to Monthly averages for
Average Wave Height
6 ft
2.6 — 10.2 ft
Average Wave period
5 secs
3 — 6 secs
Average Water temperature
13 °C
12.8 — 13.2 °C
Average Wind
WSW, 26 mph
14 — 36 mph
About M2 wave buoy
M2 is an offshore data buoy in the NE Atlantic west/south‑west of Ireland (53.2900°N, 5.2600°W). It is placed to observe approaching Atlantic sea states and weather systems, improving warnings and forecasts for Ireland and the UK. It typically reports directional wave parameters and standard meteorology.
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 5 | 4 | WSW | 23 | 12.9 | |
| 6 | 5 | NW | 24 | 13.0 | |
| 8 | 5 | SW | 30 | 13.2 | |
| 7 | 5 | SW | 26 | 13.1 |