M2 wave buoy daily averages for Nov 2023 last observation shown Data available: to Monthly averages for
Average Wave Height
5 ft
0.7 — 7.9 ft
Average Wave period
4 secs
3 — 6 secs
Average Water temperature
14 °C
12.8 — 15 °C
Average Wind
W, 20 mph
2 — 38 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) |
|---|---|---|---|---|---|
| 6 | 5 | S | 22 | 14.9 | |
| 5 | 5 | NNW | 20 | 14.9 | |
| 5 | 5 | WNW | 19 | 14.9 | |
| 4 | 4 | ENE | 18 | 14.8 | |
| 4 | 4 | WNW | 19 | 14.6 | |
| 6 | 4 | W | 24 | 14.4 | |
| 5 | 4 | W | 21 | 14.3 | |
| 6 | 5 | WSW | 24 | 14.1 | |
| 6 | 5 | WSW | 22 | 14.0 | |
| 4 | 4 | NW | 18 | 14.1 | |
| 3 | 4 | N | 14 | 14.2 | |
| 5 | 5 | SSE | 20 | 14.1 | |
| 6 | 5 | SSW | 26 | 14.0 | |
| 5 | 5 | WSW | 24 | 14.1 | |
| 5 | 5 | W | 22 | 14.1 | |
| 2 | 4 | SSW | 11 | 14.0 | |
| 4 | 4 | WSW | 19 | 13.9 | |
| 7 | 5 | SSW | 23 | 13.8 | |
| 6 | 5 | WSW | 25 | 13.6 | |
| 6 | 5 | NW | 23 | 13.6 | |
| 5 | 4 | NNW | 18 | 13.7 | |
| 4 | 4 | WSW | 20 | 13.6 | |
| 5 | 4 | WNW | 25 | 13.5 | |
| 5 | 5 | NNW | 20 | 13.5 | |
| 1 | 3 | WSW | 9 | 13.4 | |
| 3 | 4 | S | 17 | 13.2 | |
| 5 | 4 | NNW | 22 | 13.2 | |
| 3 | 4 | N | 13 | 13.2 | |
| 3 | 3 | NNE | 16 | 13.1 | |
| 5 | 5 | NE | 20 | 13.1 |