K4 wave buoy monthly averages for 2020 last observation shown Data available: to
Average Wave Height
10 ft
0 — 21.3 ft
Average Wave period
7 secs
0 — 12 secs
Average Water temperature
11 °C
9.6 — 15.8 °C
Average Wind
SW, 10 mph
0 — 49 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) |
|---|---|---|---|---|---|
| 16 | 8 | SW | 25 | 10.3 | |
| 15 | 8 | WSW | 26 | 10.1 | |
| 13 | 8 | W | 19 | 9.9 | |
| 8 | 7 | S | 8 | 10.2 | |
| 7 | 6 | - | - | 11.2 | |
| 7 | 6 | - | - | 12.2 | |
| 7 | 6 | - | - | 13.3 | |
| 6 | 6 | - | - | 14.5 | |
| - | - | - | - | - | |
| - | - | - | - | - | |
| - | - | - | - | - | |
| - | - | - | - | - |