M2 wave buoy daily averages for Mar 2025 last observation shown Data available: to Monthly averages for
Average Wave Height
3 ft
0.7 — 6.9 ft
Average Wave period
4 secs
3 — 7 secs
Average Water temperature
9 °C
8.7 — 9.4 °C
Average Wind
ESE, 15 mph
2 — 31 mph
Chart showing grouped wave observations for M2. Use the table on this page for a text version of the same measurements.
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) |
|---|---|---|---|---|---|
| 2 | 3 | SW | 12 | 9.0 | |
| 2 | 4 | SSW | 13 | 9.0 | |
| 2 | 3 | SW | 14 | 9.0 | |
| 4 | 4 | SSW | 21 | 9.0 | |
| 6 | 5 | SSW | 28 | 8.9 | |
| 5 | 4 | S | 22 | 8.9 | |
| 3 | 4 | SSE | 13 | 8.9 | |
| 3 | 4 | E | 11 | 9.0 | |
| 3 | 5 | NE | 12 | 9.0 | |
| 4 | 4 | NNE | 19 | 9.0 | |
| 4 | 4 | NNE | 17 | 9.1 | |
| 5 | 5 | N | 22 | 9.0 | |
| 3 | 4 | N | 13 | 9.0 | |
| 2 | 3 | NNE | 12 | 9.0 | |
| 2 | 3 | NNE | 9 | 9.0 | |
| 2 | 3 | NE | 13 | 9.0 | |
| 3 | 4 | E | 17 | 8.9 | |
| 4 | 4 | E | 14 | 8.9 | |
| 2 | 4 | E | 9 | 8.9 | |
| 2 | 4 | E | 10 | 9.0 | |
| 3 | 4 | ESE | 15 | 8.9 | |
| 4 | 5 | E | 13 | 8.9 | |
| 6 | 5 | N | 22 | 8.9 | |
| 2 | 4 | WNW | 13 | 9.0 | |
| 2 | 3 | W | 11 | 9.0 | |
| 2 | 3 | SSW | 13 | 9.0 | |
| 4 | 4 | S | 22 | 9.0 | |
| 4 | 4 | W | 20 | 8.9 | |
| 4 | 4 | SW | 20 | 8.9 | |
| 3 | 4 | WSW | 15 | 9.0 | |
| 1 | 4 | SSE | 10 | 9.1 |