K4 wave buoy daily averages for Oct 2015 last observation shown Data available: to Monthly averages for
Average Wave Height
10 ft
0 — 20.3 ft
Average Wave period
7 secs
0 — 10 secs
Average Water temperature
13 °C
12.5 — 32.7 °C
Average Wind
SSW, 19 mph
2 — 40 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) |
|---|---|---|---|---|---|
| 5 | 7 | SSE | 7 | 12.9 | |
| 4 | 6 | W | 10 | 12.9 | |
| 5 | 6 | SW | 12 | 12.9 | |
| 6 | 5 | SE | 21 | 12.9 | |
| 7 | 6 | SE | 14 | 13.3 | |
| 8 | 7 | W | 17 | 13.0 | |
| 13 | 8 | SW | 17 | 12.8 | |
| 10 | 7 | SSW | 19 | 12.8 | |
| 9 | 7 | S | 15 | 13.0 | |
| 8 | 7 | S | 17 | 13.2 | |
| 7 | 7 | WNW | 14 | 13.3 | |
| 5 | 7 | NW | 7 | 13.1 | |
| 9 | 7 | S | 19 | 13.4 | |
| 13 | 8 | S | 24 | 13.5 | |
| 10 | 7 | S | 20 | 13.6 | |
| 5 | 6 | SSE | 10 | 13.7 | |
| 4 | 6 | ESE | 11 | 13.4 | |
| 4 | 5 | S | 11 | 13.3 | |
| 6 | 6 | SW | 17 | 13.5 | |
| 10 | 6 | SW | 24 | 13.5 | |
| 15 | 7 | WSW | 30 | 13.4 | |
| 18 | 9 | SW | 24 | 13.3 | |
| 13 | 7 | SW | 23 | 13.3 | |
| 15 | 8 | W | 26 | 13.2 | |
| 15 | 7 | S | 30 | 13.3 | |
| 19 | 9 | SE | 25 | 13.0 | |
| 11 | 8 | ESE | 16 | 13.6 | |
| 10 | 6 | SE | 26 | 12.7 | |
| 13 | 7 | SSW | 30 | 12.9 | |
| 14 | 9 | SSE | 17 | 12.8 | |
| 13 | 8 | SW | 23 | 12.6 |