M3 wave buoy daily averages for Jul 2023 last observation shown Data available: to Monthly averages for
Average Wave Height
7 ft
2.6 — 12.5 ft
Average Wave period
6 secs
4 — 8 secs
Average Water temperature
16 °C
15.8 — 16.9 °C
Average Wind
W, 18 mph
2 — 33 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) |
|---|---|---|---|---|---|
| 11 | 7 | WNW | 21 | 16.9 | |
| 10 | 7 | WNW | 19 | 16.8 | |
| 10 | 6 | W | 20 | 16.8 | |
| 7 | 6 | WNW | 18 | 16.7 | |
| 7 | 6 | W | 19 | 16.5 | |
| 8 | 6 | SSW | 23 | 16.5 | |
| 9 | 6 | SSE | 25 | 16.5 | |
| 10 | 6 | S | 17 | 16.5 | |
| 6 | 6 | S | 14 | 16.6 | |
| 6 | 6 | SSW | 13 | 16.7 | |
| 6 | 5 | NW | 17 | 16.8 | |
| 5 | 5 | W | 17 | 16.7 | |
| 5 | 5 | SW | 16 | 16.7 | |
| 6 | 5 | WNW | 19 | 16.7 | |
| 9 | 6 | WNW | 21 | 16.6 | |
| 8 | 6 | WNW | 18 | 16.2 | |
| 7 | 6 | SW | 18 | 16.1 | |
| 6 | 5 | W | 16 | 16.1 | |
| 4 | 5 | NNW | 13 | 16.2 | |
| 4 | 4 | NNW | 15 | 16.1 | |
| 4 | 5 | W | 17 | 16.2 | |
| 8 | 6 | W | 20 | 16.2 | |
| 8 | 6 | NW | 17 | 16.1 | |
| 6 | 5 | NNW | 18 | 16.0 | |
| 3 | 5 | S | 8 | 16.3 | |
| 7 | 5 | SW | 20 | 16.3 | |
| 8 | 6 | W | 13 | 16.4 | |
| 10 | 7 | WSW | 18 | 16.4 | |
| 11 | 7 | W | 22 | 16.4 | |
| 9 | 6 | WSW | 21 | 16.4 | |
| 8 | 6 | W | 19 | 16.5 |