K4 wave buoy daily averages for Sep 2013 last observation shown Data available: to Monthly averages for
Average Wave Height
9 ft
3.9 — 20.7 ft
Average Wave period
7 secs
5 — 10 secs
Average Water temperature
14 °C
13.2 — 14.7 °C
Average Wind
WSW, 17 mph
2 — 43 mph
Chart showing grouped wave observations for K4. Use the table on this page for a text version of the same measurements.
About K4 wave buoy
K4 (WMO 62105) is an offshore North Atlantic buoy west/north‑west of the UK (55.4000°N, 12.2000°W). It was positioned to observe storm waves and swell moving toward northern UK waters, supporting marine warning services. It typically measures directional waves and core meteorology (wind/pressure/air temperature).
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 14 | 8 | WSW | 25 | 14.6 | |
| 11 | 7 | SW | 23 | 14.6 | |
| 11 | 7 | SSW | 25 | 14.5 | |
| 10 | 7 | W | 18 | 14.4 | |
| 8 | 6 | WNW | 15 | 14.3 | |
| 9 | 6 | N | 22 | 14.3 | |
| 7 | 6 | NNW | 16 | 14.2 | |
| 6 | 6 | S | 12 | 14.2 | |
| 8 | 6 | NW | 20 | 14.1 | |
| 5 | 5 | W | 12 | 14.1 | |
| 6 | 6 | WSW | 12 | 14.1 | |
| 7 | 6 | WNW | 17 | 14.1 | |
| 10 | 8 | W | 10 | 14.0 | |
| 10 | 8 | SW | 17 | 14.1 | |
| 15 | 7 | W | 33 | 14.0 | |
| 20 | 9 | WNW | 22 | 13.6 | |
| 16 | 9 | NW | 15 | 13.5 | |
| 13 | 8 | WNW | 20 | 13.4 | |
| 14 | 7 | W | 26 | 13.3 | |
| 9 | 7 | SW | 16 | 13.3 | |
| 12 | 8 | SSW | 19 | 13.2 | |
| 12 | 8 | S | 20 | 13.3 | |
| 11 | 7 | SE | 18 | 13.3 | |
| 8 | 7 | E | 11 | 13.5 | |
| 6 | 7 | ENE | 10 | 13.5 | |
| 6 | 7 | ESE | 9 | 13.5 | |
| 5 | 6 | S | 10 | 13.5 | |
| 6 | 8 | ENE | 10 | 13.6 | |
| 6 | 5 | ESE | 17 | 13.4 | |
| 6 | 5 | ESE | 18 | 13.4 |