K4 wave buoy daily averages for Jul 2013 last observation shown Data available: to Monthly averages for
Average Wave Height
5 ft
1.3 — 11.5 ft
Average Wave period
6 secs
4 — 9 secs
Average Water temperature
15 °C
12.6 — 18.9 °C
Average Wind
S, 12 mph
2 — 30 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) |
|---|---|---|---|---|---|
| 9 | 7 | SW | 20 | 12.9 | |
| 9 | 6 | WSW | 22 | 12.8 | |
| 9 | 7 | SW | 17 | 12.8 | |
| 10 | 6 | WSW | 27 | 12.6 | |
| 10 | 7 | SSW | 22 | 12.8 | |
| 11 | 8 | WSW | 10 | 13.0 | |
| 8 | 8 | S | 11 | 13.2 | |
| 4 | 6 | SSE | 8 | 13.7 | |
| 3 | 6 | ENE | 6 | 14.3 | |
| 2 | 6 | ENE | 5 | 14.8 | |
| 2 | 5 | S | 6 | 15.3 | |
| 2 | 5 | WSW | 9 | 15.5 | |
| 3 | 6 | NNW | 7 | 15.0 | |
| 4 | 5 | WSW | 13 | 14.7 | |
| 6 | 5 | SW | 17 | 14.6 | |
| 6 | 5 | SSW | 19 | 15.1 | |
| 5 | 5 | SSW | 16 | 15.4 | |
| 4 | 5 | S | 14 | 15.5 | |
| 5 | 6 | ESE | 11 | 15.6 | |
| 4 | 6 | ESE | 7 | 16.0 | |
| 3 | 7 | E | 6 | 17.2 | |
| 2 | 6 | ESE | 7 | 17.2 | |
| 4 | 6 | SSE | 11 | 16.9 | |
| 3 | 5 | S | 11 | 17.0 | |
| 4 | 6 | SSE | 7 | 17.4 | |
| 4 | 7 | SE | 5 | 17.6 | |
| 3 | 4 | SE | 13 | 17.4 | |
| 3 | 4 | S | 10 | 17.4 | |
| 5 | 5 | WSW | 14 | 17.3 | |
| 5 | 5 | W | 11 | 17.2 | |
| 4 | 5 | ENE | 9 | 17.3 |