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K4 wave buoy daily averages for Dec 2011 last observation shown Data available:  to  Monthly averages for

Average Wave Height

18 ft
8.9 — 28.9 ft

Average Wave period

9 secs
6 — 12 secs

Average Water temperature

11 °C
10.4 — 11.7 °C

Average Wind

W, 27 mph
7 — 220 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 Dec 2011 last observation shown
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
15 9 WNW 17 11.2
16 8 W 28 11.1
23 9 WNW 32 11.2
18 9 WNW 29 11.1
18 9 WNW 29 11.2
16 8 W 26 10.9
22 9 WNW 30 11.0
23 9 W 38 11.0
20 9 WNW 25 11.0
14 8 W 24 10.9
22 10 WSW 27 10.7
22 10 WSW 29 10.7
27 10 WNW 33 10.8
20 10 W 21 10.8
17 9 WNW 20 10.7
15 8 NW 25 10.7
14 8 NW 22 10.5
10 8 W 18 10.6
11 7 WNW 25 10.7
14 9 W 19 10.6
14 8 WSW 27 10.6
17 9 SW 28 10.7
18 9 W 27 10.6
20 9 WSW 30 10.6
24 10 SW 30 10.6
22 10 WSW 39 10.6
17 9 S 26 10.6
25 10 W 33 10.6
22 9 WNW 33 10.6
15 8 WSW 23 10.6
14 8 WSW 27 10.5

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