K4 wave buoy daily averages for Jan 2020 last observation shown Data available: to Monthly averages for
Average Wave Height
18 ft
9.2 — 26.9 ft
Average Wave period
8 secs
0 — 13 secs
Average Water temperature
10 °C
10.1 — 14.4 °C
Average Wind
SW, 26 mph
5 — 45 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) |
|---|---|---|---|---|---|
| 15 | 7 | S | 30 | 10.5 | |
| 18 | 8 | WSW | 28 | 10.4 | |
| 20 | 10 | W | 23 | 10.4 | |
| 15 | 8 | SW | 25 | 10.5 | |
| 17 | 8 | SSW | 31 | 10.4 | |
| 21 | 9 | SW | 29 | 10.4 | |
| 24 | 9 | SW | 36 | 10.5 | |
| 25 | 11 | WSW | 18 | 10.4 | |
| 18 | 10 | SW | 25 | 10.3 | |
| 19 | 8 | SSW | 30 | 10.3 | |
| 20 | 9 | WSW | 25 | 10.3 | |
| 21 | 9 | SW | 29 | 10.3 | |
| 23 | 9 | S | 39 | 10.2 | |
| 25 | 10 | SW | 36 | 10.2 | |
| 23 | 9 | WSW | 33 | 10.2 | |
| 14 | 8 | S | 24 | 10.2 | |
| 15 | 8 | WNW | 22 | 10.2 | |
| 12 | 8 | SW | 11 | 10.1 | |
| 14 | 7 | SSW | 29 | 10.1 | |
| 18 | 8 | SW | 28 | 10.2 | |
| 13 | 8 | WSW | 19 | 10.3 | |
| 10 | 8 | WSW | 15 | 10.3 | |
| 10 | 7 | WSW | 20 | 10.5 | |
| 13 | 8 | SW | 20 | 10.5 | |
| 16 | 8 | SSW | 27 | 10.4 | |
| 18 | 8 | WSW | 28 | 10.4 | |
| 18 | 9 | WSW | 25 | 10.4 | |
| 22 | 10 | W | 30 | 10.3 | |
| 19 | 9 | WSW | 29 | 10.3 | |
| 17 | 8 | SW | 27 | 10.2 | |
| 16 | 7 | SW | 29 | 10.2 |