M3 wave buoy daily averages for Nov 2024 last observation shown Data available: to Monthly averages for
Average Wave Height
9 ft
3.6 — 19 ft
Average Wave period
7 secs
5 — 9 secs
Average Water temperature
13 °C
12.5 — 13.8 °C
Average Wind
SSE, 18 mph
2 — 45 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 | 7 | SSE | 6 | 13.4 | |
| 4 | 5 | SE | 16 | 13.5 | |
| 4 | 5 | SE | 15 | 13.4 | |
| 4 | 5 | SE | 18 | 13.5 | |
| 5 | 5 | SSE | 16 | 13.5 | |
| 6 | 6 | SSE | 19 | 13.5 | |
| 10 | 6 | SSE | 25 | 13.5 | |
| 9 | 6 | SE | 22 | 13.6 | |
| 6 | 6 | S | 16 | 13.7 | |
| 7 | 7 | NNW | 10 | 13.7 | |
| 8 | 8 | ESE | 10 | 13.6 | |
| 4 | 7 | ENE | 9 | 13.7 | |
| 6 | 8 | NE | 11 | 13.6 | |
| 6 | 8 | NNE | 8 | 13.4 | |
| 5 | 7 | S | 7 | 13.4 | |
| 7 | 7 | NW | 14 | 13.5 | |
| 10 | 8 | WNW | 21 | 13.6 | |
| 11 | 7 | W | 27 | 13.5 | |
| 12 | 7 | NW | 27 | 13.4 | |
| 7 | 6 | SSE | 16 | 13.2 | |
| 10 | 6 | NNW | 23 | 13.1 | |
| 8 | 6 | WSW | 22 | 12.9 | |
| 18 | 8 | SSW | 32 | 12.9 | |
| 18 | 8 | WSW | 33 | 12.9 | |
| 16 | 8 | WNW | 21 | 12.7 | |
| 10 | 8 | E | 10 | 12.8 | |
| 7 | 6 | E | 17 | 12.8 | |
| 11 | 6 | SSE | 30 | 12.7 | |
| 13 | 7 | S | 23 | 12.6 | |
| 12 | 7 | S | 24 | 12.8 |