K4 wave buoy daily averages for Sep 2016 last observation shown Data available: to Monthly averages for
Average Wave Height
12 ft
6.2 — 18 ft
Average Wave period
7 secs
5 — 10 secs
Average Water temperature
14 °C
13.1 — 15 °C
Average Wind
SW, 15 mph
0 — 43 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) |
|---|---|---|---|---|---|
| 10 | 7 | SW | 21 | 14.7 | |
| 11 | 7 | SW | 21 | 14.7 | |
| 13 | 8 | WSW | 13 | 14.8 | |
| 8 | 7 | SSW | 15 | 14.8 | |
| 10 | 6 | SSW | 22 | 14.8 | |
| 11 | 7 | SW | 13 | 14.8 | |
| 7 | 6 | ESE | 16 | 14.8 | |
| 11 | 7 | SW | 19 | 14.7 | |
| 12 | 7 | SW | 26 | 14.7 | |
| 15 | 8 | SW | 26 | 14.5 | |
| 14 | 8 | S | 29 | 14.3 | |
| 13 | 8 | SW | 18 | 14.2 | |
| 8 | 7 | SSE | 6 | 14.3 | |
| 7 | 8 | ESE | 6 | 14.3 | |
| 8 | 6 | SW | 15 | 14.1 | |
| 13 | 8 | WSW | 17 | 14.0 | |
| 11 | 7 | S | 25 | 13.9 | |
| 11 | 8 | WSW | 17 | 13.9 | |
| 11 | 7 | SW | 18 | 14.0 | |
| 14 | 8 | S | 23 | 14.1 | |
| 13 | 7 | SW | 24 | 13.9 | |
| 11 | 7 | SSW | 18 | 13.8 | |
| 18 | 8 | S | 16 | 13.9 | |
| 13 | 8 | S | 14 | 13.9 | |
| 11 | 7 | W | 7 | 13.9 | |
| 8 | 7 | SSW | 2 | 13.8 | |
| 16 | 8 | WSW | 6 | 13.6 | |
| 17 | 8 | SSW | 4 | 13.5 | |
| 15 | 7 | W | 4 | 13.4 | |
| 9 | 7 | W | 3 | 13.4 |