M3 wave buoy monthly averages for 2024 last observation shown Data available: to
Average Wave Height
8 ft
1.6 — 15.4 ft
Average Wave period
7 secs
4 — 11 secs
Average Water temperature
13 °C
9.9 — 17.5 °C
Average Wind
W, 17 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.
| Month | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 9 | 7 | ENE | 19 | 11.2 | |
| 11 | 7 | WSW | 18 | 11.2 | |
| 11 | 7 | WSW | 19 | 10.8 | |
| 8 | 6 | WNW | 16 | 11.1 | |
| 6 | 6 | NNW | 14 | 13.3 | |
| 6 | 6 | NW | 16 | 13.9 | |
| 6 | 6 | WNW | 15 | 14.8 | |
| 9 | 7 | WSW | 18 | 16.2 | |
| 6 | 6 | N | 17 | 15.0 | |
| 9 | 7 | S | 18 | 14.2 | |
| 8 | 7 | SSE | 17 | 13.3 | |
| 11 | 7 | SW | 19 | 12.0 |