M3 wave buoy daily averages for Nov 2023 last observation shown Data available: to Monthly averages for
Average Wave Height
13 ft
3.6 — 24.3 ft
Average Wave period
7 secs
5 — 11 secs
Average Water temperature
12 °C
11.6 — 13.7 °C
Average Wind
W, 21 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) |
|---|---|---|---|---|---|
| 16 | 8 | WSW | 24 | 13.6 | |
| 18 | 8 | WNW | 30 | 13.4 | |
| 19 | 9 | W | 25 | 13.3 | |
| 15 | 8 | WNW | 22 | 13.3 | |
| 18 | 9 | WNW | 26 | 13.4 | |
| 16 | 8 | WNW | 26 | 13.4 | |
| 11 | 7 | WSW | 22 | 13.3 | |
| 15 | 7 | W | 26 | 13.0 | |
| 19 | 9 | W | 30 | 12.9 | |
| 17 | 9 | NW | 20 | 12.6 | |
| 10 | 7 | ESE | 21 | 12.5 | |
| 11 | 7 | SW | 20 | 12.4 | |
| 17 | 8 | SW | 30 | 12.3 | |
| 16 | 8 | W | 22 | 12.3 | |
| 11 | 8 | SSW | 14 | 12.2 | |
| 9 | 7 | W | 17 | 12.2 | |
| 11 | 7 | SSW | 21 | 12.1 | |
| 14 | 7 | SW | 27 | 12.1 | |
| 21 | 9 | W | 32 | 12.1 | |
| 18 | 8 | NNW | 31 | 12.0 | |
| 7 | 6 | NW | 15 | 12.0 | |
| 9 | 7 | W | 17 | 11.9 | |
| 11 | 8 | WNW | 15 | 12.0 | |
| 11 | 9 | N | 10 | 12.0 | |
| 7 | 6 | SSE | 17 | 11.9 | |
| 7 | 7 | WSW | 14 | 11.9 | |
| 7 | 6 | NNW | 18 | 11.9 | |
| 5 | 6 | ENE | 7 | 11.9 | |
| 6 | 6 | ESE | 18 | 11.9 | |
| 9 | 6 | NE | 27 | 11.8 |