K4 wave buoy daily averages for Sep 2010 last observation shown Data available: to Monthly averages for
Average Wave Height
9 ft
4.9 — 14.1 ft
Average Wave period
7 secs
5 — 11 secs
Average Water temperature
- °C
- — - °C
Average Wind
SSW, 15 mph
0 — 35 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) |
|---|---|---|---|---|---|
| 7 | 7 | SE | 13 | - | |
| 7 | 7 | SE | 14 | - | |
| 9 | 7 | SSE | 18 | - | |
| 8 | 6 | S | 14 | - | |
| 7 | 6 | SE | 21 | - | |
| 9 | 7 | SW | 7 | - | |
| 8 | 7 | N | 9 | - | |
| 6 | 6 | SW | 11 | - | |
| 6 | 6 | SSW | 12 | - | |
| 7 | 6 | SW | 12 | - | |
| 7 | 6 | WNW | 17 | - | |
| 9 | 7 | SW | 18 | - | |
| 12 | 8 | WSW | 19 | - | |
| 13 | 7 | W | 29 | - | |
| 13 | 8 | NNW | 18 | - | |
| 11 | 8 | NNW | 12 | - | |
| 11 | 9 | W | 8 | - | |
| 9 | 8 | SW | 11 | - | |
| 7 | 7 | SW | 13 | - | |
| 8 | 7 | SW | 13 | - | |
| 8 | 7 | S | 13 | - | |
| 10 | 7 | NNE | 14 | - | |
| 12 | 7 | NNE | 24 | - | |
| 11 | 9 | NNE | 11 | - | |
| 8 | 9 | S | 5 | - | |
| 8 | 6 | SSE | 21 | - | |
| 9 | 6 | SSE | 22 | - | |
| 10 | 7 | SSW | 18 | - | |
| 11 | 9 | SSW | 12 | - | |
| 10 | 7 | S | 17 | - |