M2 wave buoy monthly averages for 2023 last observation shown Data available: to
Average Wave Height
3 ft
0.7 — 6.9 ft
Average Wave period
4 secs
3 — 8 secs
Average Water temperature
14 °C
9.9 — 18 °C
Average Wind
SW, 15 mph
0 — 36 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.
| Month | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| - | - | - | - | - | |
| - | - | - | - | - | |
| - | - | - | - | - | |
| 2 | 4 | S | 13 | 10.3 | |
| 2 | 4 | NNE | 12 | 11.7 | |
| 2 | 4 | ESE | 12 | 13.9 | |
| 3 | 4 | SW | 15 | 14.3 | |
| 3 | 4 | WSW | 15 | 15.2 | |
| 3 | 4 | S | 14 | 15.9 | |
| 4 | 4 | S | 16 | 15.2 | |
| 4 | 4 | WNW | 19 | 13.9 | |
| 5 | 4 | WSW | 20 | 12.2 |