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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).

K4 wave buoy daily averages May 2025 last observation shown
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

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