M3 wave buoy daily averages for Sep 2024 last observation shown Data available: to Monthly averages for
Average Wave Height
6 ft
2.3 — 11.8 ft
Average Wave period
6 secs
4 — 9 secs
Average Water temperature
15 °C
14.1 — 16.3 °C
Average Wind
N, 18 mph
2 — 40 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) |
|---|---|---|---|---|---|
| 5 | 5 | ESE | 18 | 16.2 | |
| 9 | 7 | NW | 22 | 15.8 | |
| 8 | 7 | NW | 18 | 15.7 | |
| 7 | 6 | NNW | 20 | 15.5 | |
| 6 | 5 | N | 21 | 14.7 | |
| 5 | 5 | N | 15 | 14.5 | |
| 4 | 5 | N | 9 | 15.1 | |
| 6 | 5 | NNW | 24 | 15.2 | |
| 6 | 5 | WNW | 20 | 14.7 | |
| 10 | 6 | WNW | 26 | 15.1 | |
| 10 | 7 | NW | 21 | 14.6 | |
| 8 | 7 | NNW | 15 | 14.3 | |
| 6 | 6 | SSW | 14 | 14.2 | |
| 7 | 5 | SSW | 23 | 14.3 | |
| 8 | 7 | NNW | 12 | 14.8 | |
| 5 | 6 | SE | 9 | 14.9 | |
| 5 | 7 | ESE | 14 | 14.9 | |
| 6 | 6 | E | 16 | 15.0 | |
| 6 | 6 | ENE | 15 | 15.2 | |
| 4 | 5 | ENE | 12 | 15.3 | |
| 4 | 5 | NNE | 10 | 15.5 | |
| 3 | 5 | NNW | 11 | 15.2 | |
| 3 | 4 | NNW | 16 | 15.3 | |
| 3 | 5 | NNW | 10 | 15.5 | |
| 6 | 5 | NE | 17 | 15.6 | |
| 8 | 6 | NNW | 29 | 15.0 | |
| 10 | 7 | NNW | 25 | 14.8 | |
| 5 | 5 | SSW | 14 | 14.7 | |
| 8 | 5 | SSE | 36 | 14.7 | |
| 8 | 6 | NW | 19 | 14.6 |