M5 wave buoy daily averages for May 2023 last observation shown Data available: to Monthly averages for
Average Wave Height
4 ft
1.3 — 7.2 ft
Average Wave period
5 secs
3 — 8 secs
Average Water temperature
13 °C
11.2 — 15.8 °C
Average Wind
N, 14 mph
2 — 31 mph
Chart showing grouped wave observations for M5. Use the table on this page for a text version of the same measurements.
About M5 wave buoy
M5 is an offshore data buoy in the Atlantic approaches (51.4100°N, 6.4200°W). It is positioned to monitor swell and storm waves moving toward Ireland and the UK, supporting marine warnings. It typically reports waves (height/period/direction) and basic meteorology.
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 4 | 5 | W | 12 | 11.5 | |
| 3 | 6 | SE | 8 | 12.0 | |
| 6 | 5 | ESE | 19 | 11.8 | |
| 6 | 5 | SSE | 23 | 11.5 | |
| 5 | 5 | S | 13 | 11.7 | |
| 5 | 6 | S | 8 | 12.1 | |
| 4 | 5 | SSW | 14 | 12.2 | |
| 6 | 5 | SSW | 16 | 12.1 | |
| 6 | 6 | W | 14 | 12.4 | |
| 7 | 6 | W | 21 | 12.4 | |
| 5 | 6 | WNW | 16 | 12.4 | |
| 4 | 4 | NNE | 18 | 12.5 | |
| 3 | 5 | N | 10 | 12.8 | |
| 3 | 5 | W | 14 | 12.8 | |
| 4 | 5 | NW | 16 | 12.3 | |
| 3 | 4 | NW | 11 | 12.4 | |
| 2 | 4 | W | 9 | 12.7 | |
| 2 | 4 | WSW | 14 | 12.7 | |
| 3 | 5 | N | 11 | 13.0 | |
| 3 | 6 | NNE | 10 | 13.5 | |
| 2 | 6 | NNE | 9 | 14.0 | |
| 3 | 4 | NNE | 14 | 13.9 | |
| 3 | 4 | NNE | 10 | 14.0 | |
| 2 | 4 | NNE | 12 | 14.2 | |
| 3 | 4 | NNE | 15 | 14.4 | |
| 4 | 4 | NE | 18 | 14.3 | |
| 2 | 4 | NE | 9 | 14.8 | |
| 5 | 4 | NNE | 22 | 14.2 | |
| 4 | 4 | NE | 19 | 13.2 | |
| 4 | 4 | NE | 18 | 13.2 | |
| 3 | 4 | NE | 16 | 13.9 |