M3 wave buoy daily averages for Dec 2024 last observation shown Data available: to Monthly averages for
Average Wave Height
12 ft
5.2 — 21 ft
Average Wave period
7 secs
5 — 11 secs
Average Water temperature
12 °C
11.5 — 12.8 °C
Average Wind
WSW, 21 mph
2 — 47 mph
Chart showing grouped wave observations for M3. Use the table on this page for a text version of the same measurements.
About M3 wave buoy
M3 is an offshore data buoy in the Atlantic approaches (51.1300°N, 10.3300°W). It provides upstream observations of swell and storm conditions relevant to Ireland/UK marine forecasts. It typically measures wave height/period/direction plus basic meteorological variables.
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 10 | 7 | W | 21 | 12.7 | |
| 12 | 8 | WNW | 16 | 12.6 | |
| 7 | 6 | SSE | 15 | 12.6 | |
| 8 | 6 | SSW | 21 | 12.5 | |
| 14 | 7 | W | 27 | 12.5 | |
| 14 | 8 | SSW | 26 | 12.5 | |
| 19 | 8 | NNW | 37 | 12.3 | |
| 13 | 7 | N | 27 | 12.2 | |
| 7 | 6 | NNE | 19 | 12.1 | |
| 8 | 6 | ENE | 19 | 12.1 | |
| 6 | 6 | ENE | 16 | 12.2 | |
| 7 | 6 | ENE | 19 | 12.1 | |
| 10 | 8 | NE | 14 | 11.8 | |
| 8 | 7 | WNW | 19 | 11.9 | |
| 9 | 6 | WSW | 20 | 12.0 | |
| 11 | 8 | SSW | 18 | 12.0 | |
| 14 | 8 | S | 27 | 11.9 | |
| 16 | 8 | WNW | 23 | 11.9 | |
| 13 | 7 | WNW | 25 | 11.8 | |
| 12 | 7 | W | 25 | 11.8 | |
| 16 | 8 | W | 29 | 11.9 | |
| - | - | - | - | - | |
| 15 | 8 | W | 22 | 11.9 | |
| 11 | 7 | SW | 18 | 11.9 | |
| 14 | 8 | SSW | 18 | 11.9 | |
| 13 | 9 | S | 14 | 11.7 | |
| 12 | 10 | S | 13 | 11.8 | |
| 11 | 10 | SSW | 9 | 11.8 | |
| 12 | 9 | W | 15 | 11.6 | |
| 12 | 7 | SW | 22 | 11.7 | |
| 14 | 7 | SW | 29 | 11.6 |