K4 wave buoy daily averages for Apr 2016 last observation shown Data available: to Monthly averages for
Average Wave Height
10 ft
5.2 — 18.7 ft
Average Wave period
7 secs
0 — 13 secs
Average Water temperature
10 °C
9.7 — 10.5 °C
Average Wind
NNW, 17 mph
0 — 39 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) |
|---|---|---|---|---|---|
| 16 | 8 | SW | 20 | 10.0 | |
| 15 | 10 | SSE | 9 | 10.0 | |
| 10 | 9 | SSE | 6 | 10.1 | |
| 7 | 8 | WSW | 7 | 10.2 | |
| 8 | 6 | WSW | 17 | 10.2 | |
| 14 | 7 | WNW | 31 | 10.3 | |
| 16 | 10 | WNW | 13 | 10.2 | |
| 11 | 7 | WSW | 21 | 10.1 | |
| 15 | 10 | NW | 11 | 10.2 | |
| 14 | 9 | ENE | 18 | 10.1 | |
| 13 | 7 | NE | 21 | 10.0 | |
| 9 | 6 | NE | 20 | 10.1 | |
| 9 | 6 | ENE | 20 | 10.2 | |
| 8 | 6 | NE | 16 | 10.1 | |
| 8 | 6 | N | 18 | 10.0 | |
| 10 | 7 | N | 14 | 10.0 | |
| 9 | 7 | W | 19 | 10.1 | |
| 10 | 7 | WNW | 9 | 10.1 | |
| 9 | 9 | SSW | 10 | 10.1 | |
| 6 | 8 | E | 8 | 10.2 | |
| 7 | 6 | NE | 18 | 10.2 | |
| 8 | 5 | NE | 21 | 10.2 | |
| 6 | 5 | NNE | 14 | 10.2 | |
| 6 | 5 | NW | 14 | 10.3 | |
| 8 | 6 | N | 19 | 10.2 | |
| 14 | 7 | N | 22 | 10.2 | |
| 9 | 7 | NNW | 16 | 10.2 | |
| 12 | 7 | NW | 28 | 10.1 | |
| 9 | 7 | NNW | 17 | 10.1 | |
| 7 | 6 | WSW | 19 | 10.1 |