M2 wave buoy daily averages for Apr 2025 last observation shown Data available: to Monthly averages for
Average Wave Height
3 ft
0.3 — 8.2 ft
Average Wave period
4 secs
3 — 6 secs
Average Water temperature
10 °C
8.9 — 12 °C
Average Wind
ESE, 14 mph
2 — 31 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) |
|---|---|---|---|---|---|
| 1 | 5 | E | 5 | 10.6 | |
| 1 | 5 | E | 5 | 10.4 | |
| 2 | 4 | S | 15 | 10.2 | |
| 4 | 4 | S | 23 | 10.1 | |
| 3 | 4 | S | 19 | 10.2 | |
| 3 | 4 | SSE | 16 | 10.1 | |
| 2 | 4 | ESE | 9 | 10.1 | |
| 4 | 5 | ENE | 13 | 9.9 | |
| 4 | 4 | S | 18 | 9.9 | |
| 2 | 3 | SSW | 11 | 9.8 | |
| 3 | 4 | ESE | 10 | 9.7 | |
| 5 | 4 | E | 18 | 9.5 | |
| 4 | 4 | E | 17 | 9.5 | |
| 2 | 4 | S | 12 | 9.6 | |
| 5 | 4 | NNW | 22 | 9.5 | |
| 3 | 4 | NNW | 17 | 9.6 | |
| 4 | 4 | S | 19 | 9.7 | |
| 3 | 4 | WSW | 17 | 9.8 | |
| 1 | 4 | S | 12 | 9.9 | |
| 1 | 4 | S | 7 | 9.8 | |
| 1 | 4 | SE | 7 | 9.7 | |
| 2 | 5 | NNE | 10 | 9.4 | |
| 1 | 4 | NNE | 4 | 9.5 | |
| 2 | 4 | E | 7 | 9.4 | |
| 5 | 5 | ENE | 14 | 9.3 | |
| 6 | 5 | ENE | 23 | 9.2 | |
| 4 | 4 | ENE | 19 | 9.1 | |
| 5 | 4 | ENE | 22 | 9.1 | |
| 4 | 4 | E | 17 | 9.1 | |
| 2 | 4 | E | 9 | 9.1 |