K4 wave buoy monthly averages for 2012 last observation shown Data available: to
Average Wave Height
10 ft
0 — 17.4 ft
Average Wave period
7 secs
0 — 48 secs
Average Water temperature
12 °C
-5.8 — 18.6 °C
Average Wind
W, 18 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).
| Month | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 12 | 8 | SW | 21 | 10.6 | |
| 11 | 8 | WSW | 21 | 10.5 | |
| 11 | 8 | SSW | 18 | 10.5 | |
| 9 | 7 | N | 17 | 10.6 | |
| 7 | 6 | ENE | 16 | 11.1 | |
| 7 | 6 | NE | 15 | 12.7 | |
| 7 | 6 | NNW | 15 | 13.9 | |
| 7 | 6 | SE | 16 | 15.0 | |
| 10 | 7 | WSW | 20 | 14.1 | |
| 10 | 6 | N | 17 | 12.6 | |
| 13 | 7 | W | 21 | 11.3 | |
| 12 | 7 | SW | 20 | 11.1 |