K4 wave buoy daily averages for Apr 2025 last observation shown Data available: to Monthly averages for
Average Wave Height
- ft
- — - ft
Average Wave period
- secs
- — - secs
Average Water temperature
11 °C
9.5 — 12 °C
Average Wind
S, 17 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) |
|---|---|---|---|---|---|
| - | - | S | 24 | 10.4 | |
| - | - | SSE | 14 | 10.5 | |
| - | - | E | 18 | 10.6 | |
| - | - | ESE | 21 | 10.5 | |
| - | - | ESE | 21 | 10.5 | |
| - | - | SE | 18 | 10.1 | |
| - | - | SSE | 7 | 10.7 | |
| - | - | ESE | 12 | 10.7 | |
| - | - | SE | 10 | 10.8 | |
| - | - | SW | 13 | 10.9 | |
| - | - | WSW | 17 | 10.9 | |
| - | - | W | 22 | 10.5 | |
| - | - | WSW | 21 | 10.6 | |
| - | - | W | 17 | 10.9 | |
| - | - | WSW | 14 | 10.8 | |
| - | - | S | 8 | 10.8 | |
| - | - | SE | 9 | 11.0 | |
| - | - | NE | 26 | 10.9 | |
| - | - | NNE | 26 | 10.8 | |
| - | - | SSW | 16 | 10.8 | |
| - | - | WSW | 17 | 11.0 | |
| - | - | SE | 21 | 11.1 | |
| - | - | E | 16 | 11.2 | |
| - | - | SSE | 21 | 11.1 | |
| - | - | SSW | 15 | 11.3 | |
| - | - | SSW | 24 | 11.3 | |
| - | - | SSW | 18 | 11.2 | |
| - | - | SSW | 18 | 11.5 | |
| - | - | S | 15 | 11.5 | |
| - | - | WSW | 12 | 11.7 |