M3 wave buoy daily averages for May 2023 last observation shown Data available: to Monthly averages for
Average Wave Height
7 ft
2.6 — 11.2 ft
Average Wave period
7 secs
4 — 10 secs
Average Water temperature
13 °C
11.9 — 15.4 °C
Average Wind
N, 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) |
|---|---|---|---|---|---|
| 5 | 6 | S | 9 | 12.8 | |
| 6 | 6 | SE | 18 | 12.8 | |
| 9 | 6 | ESE | 23 | 12.3 | |
| 8 | 6 | ESE | 15 | 12.0 | |
| 5 | 6 | SSW | 11 | 12.2 | |
| 6 | 6 | SSW | 10 | 12.8 | |
| 6 | 5 | S | 18 | 12.7 | |
| 7 | 6 | SW | 13 | 12.6 | |
| 10 | 8 | W | 16 | 12.7 | |
| 11 | 7 | WNW | 20 | 12.6 | |
| 10 | 7 | NNW | 21 | 12.6 | |
| 6 | 6 | N | 16 | 12.6 | |
| 6 | 8 | WNW | 10 | 13.0 | |
| 8 | 6 | NW | 20 | 12.9 | |
| 8 | 7 | NNW | 14 | 12.8 | |
| 6 | 7 | NE | 6 | 13.1 | |
| 4 | 7 | SW | 8 | 13.7 | |
| 4 | 5 | WSW | 14 | 13.3 | |
| 8 | 8 | NNW | 12 | 13.2 | |
| 6 | 8 | NNW | 9 | 13.6 | |
| 7 | 7 | N | 13 | 13.5 | |
| 9 | 7 | N | 20 | 13.1 | |
| 9 | 8 | N | 17 | 13.0 | |
| 8 | 7 | N | 16 | 13.0 | |
| 10 | 9 | N | 10 | 13.5 | |
| 8 | 8 | NE | 7 | 14.2 | |
| 5 | 6 | NNE | 11 | 14.6 | |
| 5 | 5 | NE | 10 | 14.5 | |
| 6 | 6 | ENE | 14 | 14.6 | |
| 5 | 5 | ENE | 15 | 14.6 | |
| 4 | 5 | ENE | 14 | 14.9 |