K4 wave buoy daily averages for Mar 2020 last observation shown Data available: to Monthly averages for
Average Wave Height
13 ft
0 — 22.3 ft
Average Wave period
8 secs
0 — 12 secs
Average Water temperature
10 °C
9.6 — 10.2 °C
Average Wind
W, 19 mph
0 — 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) |
|---|---|---|---|---|---|
| 16 | 8 | W | 28 | 9.9 | |
| 16 | 8 | WNW | 28 | 9.9 | |
| 16 | 9 | WNW | 21 | 10.1 | |
| 12 | 9 | W | 14 | 10.1 | |
| 12 | 9 | SW | 16 | 10.1 | |
| 12 | 7 | WNW | 24 | 9.9 | |
| 16 | 8 | SW | 28 | 10.0 | |
| 18 | 9 | W | 29 | 9.9 | |
| 17 | 8 | WSW | 27 | 9.9 | |
| 16 | 8 | W | 26 | 9.9 | |
| 19 | 9 | WSW | 31 | 9.9 | |
| 20 | 9 | WNW | 22 | 9.9 | |
| 15 | 9 | SE | 11 | 9.8 | |
| 13 | 8 | SW | 25 | 9.8 | |
| 15 | 8 | NW | 25 | 9.8 | |
| 15 | 7 | SW | 33 | 9.9 | |
| 19 | 9 | WSW | 26 | 9.8 | |
| 19 | 9 | W | 25 | 9.8 | |
| 12 | 8 | NNW | 19 | 9.8 | |
| 8 | 7 | NNE | 13 | 9.8 | |
| 9 | 7 | SSE | 20 | 9.8 | |
| 8 | 7 | S | 19 | 9.8 | |
| 17 | 9 | SSW | 26 | 9.9 | |
| 19 | 9 | SSW | 24 | 9.8 | |
| 12 | 9 | NW | 11 | 9.8 | |
| 9 | 9 | NNE | 8 | 9.9 | |
| 7 | 7 | NE | 12 | 9.9 | |
| 9 | 6 | NE | 3 | 9.9 | |
| 7 | 6 | - | - | 9.8 | |
| 6 | 6 | N | 3 | 9.9 | |
| 6 | 6 | NNW | 2 | 9.8 |