M2 wave buoy monthly averages for 2023 last observation shown Data available: to
Average Wave Height
4 ft
0.7 — 15.7 ft
Average Wave period
4 secs
3 — 8 secs
Average Water temperature
14 °C
10 — 18 °C
Average Wind
SSW, 16 mph
0 — 45 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.
| Month | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 6 | 5 | WSW | 23 | 12.2 | |
| 5 | 4 | W | 20 | 13.9 | |
| 4 | 4 | S | 17 | 15.2 | |
| 4 | 4 | SSW | 16 | 15.9 | |
| 3 | 4 | SW | 16 | 15.2 | |
| 3 | 4 | SW | 15 | 14.3 | |
| 2 | 4 | ESE | 12 | 13.9 | |
| 2 | 4 | NNE | 12 | 11.7 | |
| 2 | 4 | S | 13 | 10.3 |