M5 wave buoy monthly averages for 2024 last observation shown Data available: to
Average Wave Height
5 ft
0.7 — 10.5 ft
Average Wave period
5 secs
3 — 9 secs
Average Water temperature
13 °C
0 — 18 °C
Average Wind
W, 16 mph
0 — 38 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.
| Month | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 6 | 6 | N | 18 | 10.1 | |
| 7 | 6 | WSW | 19 | 9.7 | |
| 7 | 6 | SW | 20 | 9.9 | |
| 5 | 5 | W | 17 | 10.7 | |
| 4 | 5 | NW | 14 | 13.0 | |
| 4 | 5 | WNW | 15 | 14.5 | |
| 4 | 5 | W | 14 | 15.5 | |
| 5 | 5 | WSW | 15 | 16.1 | |
| 4 | 5 | N | 14 | 15.5 | |
| 6 | 6 | S | 14 | 14.5 | |
| 5 | 5 | ESE | 13 | 13.7 | |
| 5 | 5 | W | 16 | 11.9 |