M5 wave buoy daily averages for Jul 2023 last observation shown Data available: to Monthly averages for
Average Wave Height
6 ft
1.3 — 9.5 ft
Average Wave period
5 secs
3 — 7 secs
Average Water temperature
17 °C
14.3 — 18.1 °C
Average Wind
WSW, 19 mph
2 — 33 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) |
|---|---|---|---|---|---|
| 6 | 5 | W | 21 | 15.9 | |
| 5 | 5 | W | 19 | 16.0 | |
| 6 | 5 | W | 24 | 15.1 | |
| 4 | 4 | W | 15 | 15.1 | |
| 5 | 5 | W | 20 | 15.1 | |
| 5 | 5 | SSW | 22 | 15.4 | |
| 8 | 5 | SSE | 20 | 16.0 | |
| 8 | 6 | SSE | 17 | 16.7 | |
| 6 | 5 | S | 18 | 16.8 | |
| 6 | 5 | S | 19 | 16.9 | |
| 6 | 6 | W | 15 | 17.1 | |
| 6 | 5 | WSW | 20 | 16.9 | |
| 4 | 4 | WSW | 17 | 16.8 | |
| 7 | 5 | SSE | 26 | 16.9 | |
| 8 | 6 | WSW | 22 | 16.8 | |
| 7 | 5 | WSW | 21 | 16.7 | |
| 5 | 5 | WSW | 18 | 16.7 | |
| 5 | 5 | SSW | 17 | 16.7 | |
| 4 | 5 | WNW | 14 | 17.0 | |
| 2 | 4 | NW | 11 | 17.1 | |
| 3 | 4 | W | 18 | 17.0 | |
| 7 | 5 | SW | 23 | 16.9 | |
| 6 | 5 | WSW | 19 | 16.9 | |
| 4 | 5 | N | 14 | 17.0 | |
| 2 | 4 | NW | 10 | 17.1 | |
| 5 | 4 | SSW | 20 | 16.9 | |
| 7 | 6 | WSW | 18 | 16.9 | |
| 5 | 5 | SW | 18 | 17.0 | |
| 8 | 5 | WSW | 25 | 16.9 | |
| 7 | 5 | WSW | 23 | 16.4 | |
| 7 | 5 | WSW | 22 | 16.4 |