K4 wave buoy daily averages for Apr 2017 last observation shown Data available: to Monthly averages for
Average Wave Height
9 ft
3.3 — 16.7 ft
Average Wave period
7 secs
0 — 10 secs
Average Water temperature
11 °C
10.4 — 20.7 °C
Average Wind
WSW, 16 mph
0 — 38 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) |
|---|---|---|---|---|---|
| 8 | 6 | WNW | 15 | 11.1 | |
| 10 | 6 | S | 22 | 10.6 | |
| 16 | 8 | SW | 20 | 11.2 | |
| - | - | - | - | - | |
| 12 | 8 | WSW | 14 | 10.6 | |
| 8 | 6 | SW | 17 | 10.6 | |
| 9 | 7 | SSW | 18 | 10.6 | |
| 9 | 7 | S | 17 | 10.5 | |
| 9 | 7 | NW | 18 | 10.6 | |
| 10 | 7 | WNW | 16 | 10.5 | |
| 12 | 7 | WSW | 23 | 10.5 | |
| 11 | 7 | WNW | 18 | 10.5 | |
| 8 | 7 | W | 12 | 10.6 | |
| 7 | 6 | WNW | 19 | 10.6 | |
| 9 | 7 | W | 16 | 10.6 | |
| 8 | 6 | WNW | 22 | 10.6 | |
| 5 | 6 | ESE | 9 | 10.9 | |
| 4 | 5 | SW | 11 | 10.9 | |
| 6 | 6 | SW | 14 | 10.9 | |
| 7 | 7 | WSW | 13 | 10.9 | |
| 10 | 9 | W | 11 | 10.9 | |
| 7 | 7 | W | 10 | 11.0 | |
| 6 | 7 | W | 13 | 11.1 | |
| 9 | 6 | N | 22 | 10.9 | |
| 14 | 8 | N | 22 | 10.7 | |
| 8 | 7 | NNW | 16 | 10.6 | |
| 5 | 6 | W | 13 | 10.7 | |
| 9 | 6 | SSW | 22 | 10.6 | |
| 13 | 8 | S | 11 | 10.6 | |
| 13 | 8 | ESE | 17 | 10.7 |