M5 wave buoy daily averages for Sep 2023 last observation shown Data available: to Monthly averages for
Average Wave Height
6 ft
1.6 — 13.5 ft
Average Wave period
6 secs
3 — 9 secs
Average Water temperature
17 °C
15.5 — 19.3 °C
Average Wind
SSW, 15 mph
2 — 36 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 | SW | 7 | 16.5 | |
| 3 | 6 | N | 7 | 17.1 | |
| 2 | 7 | N | 5 | 17.6 | |
| 3 | 5 | NE | 15 | 17.5 | |
| 4 | 6 | ENE | 12 | 17.4 | |
| 3 | 6 | SE | 9 | 17.6 | |
| 3 | 6 | E | 7 | 18.0 | |
| 4 | 7 | SSW | 5 | 18.4 | |
| 3 | 6 | WNW | 6 | 18.6 | |
| 2 | 6 | ESE | 9 | 18.3 | |
| 3 | 4 | WSW | 13 | 17.7 | |
| 4 | 4 | N | 16 | 17.7 | |
| 3 | 4 | SW | 13 | 17.6 | |
| 4 | 5 | SE | 12 | 17.6 | |
| 4 | 4 | SE | 16 | 17.6 | |
| 7 | 5 | NNE | 26 | 16.7 | |
| 5 | 5 | E | 13 | 16.3 | |
| 6 | 5 | W | 22 | 16.3 | |
| 11 | 6 | SW | 32 | 16.4 | |
| 11 | 7 | WSW | 24 | 16.3 | |
| 7 | 6 | W | 14 | 16.3 | |
| 6 | 5 | NW | 20 | 16.0 | |
| 6 | 5 | S | 18 | 15.9 | |
| 12 | 7 | S | 23 | 15.9 | |
| 10 | 7 | SSW | 20 | 15.9 | |
| 9 | 6 | SSW | 19 | 15.9 | |
| 7 | 6 | SE | 22 | 15.9 | |
| 10 | 7 | SSW | 18 | 15.7 | |
| 7 | 6 | WSW | 16 | 15.6 | |
| 8 | 6 | S | 17 | 15.6 |