M5 wave buoy monthly averages for 2023 last observation shown Data available: to
Average Wave Height
5 ft
1.3 — 11.2 ft
Average Wave period
5 secs
3 — 10 secs
Average Water temperature
15 °C
10.9 — 19.7 °C
Average Wind
WSW, 16 mph
0 — 43 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) |
|---|---|---|---|---|---|
| - | - | - | - | - | |
| - | - | - | - | - | |
| - | - | - | - | - | |
| 4 | 5 | SSW | 12 | 11.4 | |
| 4 | 5 | N | 14 | 12.9 | |
| 4 | 5 | S | 14 | 16.7 | |
| 6 | 5 | WSW | 19 | 16.6 | |
| 5 | 5 | WSW | 16 | 16.1 | |
| 5 | 6 | SW | 14 | 16.9 | |
| 6 | 6 | SW | 16 | 15.0 | |
| 6 | 5 | WNW | 20 | 13.2 | |
| 7 | 6 | W | 21 | 11.8 |