K4 wave buoy daily averages for Oct 2019 last observation shown Data available: to Monthly averages for
Average Wave Height
12 ft
3.9 — 23 ft
Average Wave period
8 secs
5 — 12 secs
Average Water temperature
13 °C
11.7 — 13.6 °C
Average Wind
SW, 20 mph
2 — 47 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) |
|---|---|---|---|---|---|
| 10 | 7 | NNE | 19 | 13.6 | |
| 8 | 8 | ESE | 14 | 13.5 | |
| 16 | 7 | SE | 33 | 13.4 | |
| 15 | 9 | SSE | 13 | 12.9 | |
| 13 | 8 | SSW | 17 | 13.0 | |
| 13 | 8 | SSW | 20 | 12.9 | |
| 18 | 9 | SW | 30 | 13.0 | |
| 22 | 9 | W | 31 | 12.5 | |
| 18 | 9 | W | 26 | 12.0 | |
| 14 | 8 | SW | 23 | 12.2 | |
| 15 | 8 | W | 21 | 12.3 | |
| 8 | 7 | SW | 9 | 12.5 | |
| 6 | 7 | S | 10 | 12.5 | |
| 5 | 6 | SW | 9 | 12.5 | |
| 10 | 7 | SSW | 20 | 12.4 | |
| 15 | 8 | SSW | 23 | 12.3 | |
| 14 | 8 | SE | 21 | 12.3 | |
| 9 | 6 | NNE | 20 | 12.2 | |
| 10 | 7 | N | 22 | 12.1 | |
| 9 | 7 | N | 15 | 12.1 | |
| 7 | 6 | SW | 19 | 12.1 | |
| 13 | 7 | SSW | 26 | 12.2 | |
| 16 | 8 | SW | 21 | 12.4 | |
| 18 | 9 | NW | 19 | 12.4 | |
| 15 | 9 | WNW | 13 | 12.5 | |
| 16 | 10 | WNW | 20 | 12.3 | |
| 12 | 8 | NNW | 17 | 12.2 | |
| 8 | 7 | NE | 15 | 12.2 | |
| 8 | 6 | E | 23 | 12.1 | |
| 10 | 6 | E | 26 | 12.5 | |
| 8 | 6 | ESE | 19 | 12.6 |