M2 wave buoy daily averages for Dec 2025 last observation shown Data available: to Monthly averages for
Average Wave Height
6 ft
1.3 — 20.3 ft
Average Wave period
5 secs
3 — 9 secs
Average Water temperature
12 °C
11.4 — 13 °C
Average Wind
S, 24 mph
2 — 56 mph
Chart showing grouped wave observations for M2. Use the table on this page for a text version of the same measurements.
Sorry, there is no wave data for Mon, Dec 1, 2025
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) |
|---|---|---|---|---|---|
| 7 | 6 | SSW | 20 | 12.9 | |
| 5 | 5 | SSW | 19 | 12.9 | |
| 4 | 4 | SSW | 21 | 12.9 | |
| 5 | 5 | WSW | 21 | 12.9 | |
| 8 | 5 | S | 29 | 12.9 | |
| 6 | 6 | WSW | 23 | 12.9 | |
| 4 | 4 | SSW | 21 | 12.8 | |
| 6 | 5 | SSW | 24 | 12.8 | |
| 12 | 7 | S | 36 | 12.7 | |
| 8 | 6 | SW | 28 | 12.6 | |
| 10 | 6 | SSW | 30 | 12.5 | |
| 4 | 5 | SW | 15 | 12.5 | |
| 7 | 5 | SSW | 30 | 12.5 | |
| 12 | 6 | S | 37 | 12.5 | |
| 5 | 5 | WNW | 10 | 12.4 | |
| 2 | 4 | W | 14 | 12.4 | |
| 9 | 6 | S | 32 | 12.4 | |
| 6 | 5 | SSW | 24 | 12.3 | |
| 7 | 5 | SW | 25 | 12.2 | |
| 8 | 5 | SSE | 30 | 12.2 | |
| 6 | 5 | ESE | 21 | 12.1 | |
| 4 | 4 | E | 19 | 12.1 | |
| 5 | 4 | ENE | 21 | 12.1 | |
| 7 | 5 | E | 27 | 12.0 | |
| 8 | 5 | E | 29 | 11.9 | |
| 7 | 5 | E | 27 | 11.8 | |
| 6 | 5 | ENE | 27 | 11.6 | |
| 5 | 5 | E | 21 | 11.6 | |
| 3 | 4 | ENE | 18 | 11.5 | |
| 3 | 4 | E | 15 | 11.5 | |
| 3 | 3 | WNW | 15 | 11.5 |