K4 wave buoy daily averages for Aug 2017 last observation shown Data available: to Monthly averages for
Average Wave Height
7 ft
0 — 12.1 ft
Average Wave period
6 secs
0 — 26 secs
Average Water temperature
15 °C
14.3 — 19.8 °C
Average Wind
WSW, 16 mph
0 — 33 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 | 6 | WSW | 7 | 14.7 | |
| 7 | 6 | ESE | 17 | 14.6 | |
| 10 | 7 | N | 14 | 14.6 | |
| 6 | 7 | NW | 9 | 15.0 | |
| 5 | 6 | WSW | 13 | 14.9 | |
| 8 | 6 | W | 17 | 14.9 | |
| 7 | 6 | WNW | 15 | 14.9 | |
| 7 | 5 | NNW | 18 | 14.7 | |
| 5 | 5 | NW | 13 | 14.7 | |
| 8 | 6 | SW | 24 | 14.7 | |
| 10 | 6 | W | 22 | 14.7 | |
| 7 | 7 | WNW | 10 | 14.8 | |
| 4 | 6 | SSW | 9 | 15.0 | |
| 4 | 6 | SSW | 12 | 15.0 | |
| 6 | 5 | WSW | 18 | 15.0 | |
| 10 | 6 | S | 27 | 14.9 | |
| 8 | 6 | W | 17 | 14.8 | |
| 10 | 6 | WNW | 25 | 14.8 | |
| 9 | 6 | WNW | 17 | 14.8 | |
| 6 | 5 | ESE | 17 | 14.7 | |
| 6 | 6 | SSE | 12 | 14.7 | |
| 7 | 6 | SSE | 15 | 14.9 | |
| 6 | 6 | SW | 11 | 15.0 | |
| 7 | 5 | WSW | 18 | 14.9 | |
| 5 | 5 | WNW | 13 | 14.9 | |
| 3 | 5 | W | 11 | 15.0 | |
| 7 | 5 | SSW | 21 | 14.9 | |
| 9 | 6 | W | 20 | 14.8 | |
| 12 | 7 | WSW | 23 | 14.8 | |
| 9 | 7 | W | 12 | 14.8 | |
| 6 | 6 | NW | 8 | 14.8 |