K4 wave buoy daily averages for May 2025 last observation shown Data available: to Monthly averages for
Average Wave Height
- ft
- — - ft
Average Wave period
- secs
- — - secs
Average Water temperature
13 °C
10.9 — 14.8 °C
Average Wind
WSW, 15 mph
2 — 36 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) |
|---|---|---|---|---|---|
| - | - | NNW | 17 | 11.5 | |
| - | - | NW | 14 | 11.6 | |
| - | - | NNE | 15 | 11.7 | |
| - | - | ENE | 15 | 11.9 | |
| - | - | SE | 6 | 11.9 | |
| - | - | WSW | 8 | 11.9 | |
| - | - | SSW | 12 | 12.0 | |
| - | - | SSW | 11 | 12.0 | |
| - | - | SW | 18 | 11.7 | |
| - | - | SW | 19 | 11.9 | |
| - | - | N | 18 | 12.1 | |
| - | - | NNE | 24 | 12.0 | |
| - | - | ENE | 19 | 12.2 | |
| - | - | ESE | 11 | 12.6 | |
| - | - | ESE | 7 | 12.9 | |
| - | - | ESE | 10 | 13.4 | |
| - | - | E | 12 | 13.6 | |
| - | - | E | 13 | 13.8 | |
| - | - | E | 18 | 13.4 | |
| - | - | E | 14 | 13.4 | |
| - | - | NNE | 6 | 14.3 | |
| - | - | SE | 8 | 14.2 | |
| - | - | WSW | 22 | 13.6 | |
| - | - | W | 25 | 13.4 | |
| - | - | WNW | 31 | 13.0 | |
| - | - | W | 24 | 12.7 | |
| - | - | WNW | 13 | 12.7 | |
| - | - | SW | 13 | 12.7 | |
| - | - | N | 12 | 13.0 | |
| - | - | SSW | 14 | 13.2 | |
| - | - | WSW | 22 | 13.0 |