M3 wave buoy daily averages for Jun 2023 last observation shown Data available: to Monthly averages for
Average Wave Height
5 ft
2 — 10.2 ft
Average Wave period
5 secs
4 — 8 secs
Average Water temperature
17 °C
14.8 — 19 °C
Average Wind
S, 14 mph
2 — 29 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) |
|---|---|---|---|---|---|
| 4 | 5 | E | 13 | 15.1 | |
| 4 | 5 | E | 14 | 15.3 | |
| 3 | 5 | ENE | 9 | 15.7 | |
| 3 | 4 | E | 12 | 15.9 | |
| 3 | 4 | E | 13 | 15.9 | |
| 4 | 4 | E | 16 | 15.9 | |
| 5 | 5 | E | 18 | 15.9 | |
| 8 | 6 | E | 24 | 15.7 | |
| 7 | 5 | E | 20 | 15.3 | |
| 4 | 5 | ESE | 14 | 15.4 | |
| 4 | 5 | SSW | 10 | 15.6 | |
| 3 | 5 | NNW | 9 | 16.0 | |
| 3 | 5 | NW | 9 | 16.5 | |
| 2 | 6 | WSW | 6 | 17.1 | |
| 4 | 5 | SE | 13 | 17.1 | |
| 5 | 6 | S | 13 | 17.0 | |
| 4 | 6 | SSE | 11 | 17.1 | |
| 4 | 5 | S | 12 | 17.3 | |
| 3 | 5 | SSW | 12 | 17.5 | |
| 2 | 5 | SW | 8 | 17.9 | |
| 3 | 5 | WSW | 7 | 18.3 | |
| 4 | 5 | S | 13 | 18.4 | |
| 8 | 6 | SSW | 20 | 17.8 | |
| 7 | 6 | S | 21 | 17.8 | |
| 8 | 6 | W | 19 | 17.4 | |
| 10 | 7 | WSW | 19 | 17.3 | |
| 8 | 6 | SW | 18 | 17.3 | |
| 8 | 6 | WNW | 18 | 17.2 | |
| 8 | 6 | W | 18 | 17.1 | |
| 10 | 6 | WNW | 23 | 17.1 |