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

Average Wave Height

11 ft
5.2 — 18.4 ft

Average Wave period

7 secs
5 — 10 secs

Average Water temperature

11 °C
11 — 11.9 °C

Average Wind

SW, 21 mph
2 — 38 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 2011 last observation shown
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
7 6 E 15 11.6
7 5 E 19 11.6
9 6 ESE 23 11.5
9 6 SE 19 11.5
6 6 SSE 14 11.5
9 6 SSE 21 11.6
8 6 SE 17 11.7
10 7 SE 22 11.7
13 7 SSE 23 11.6
9 7 SW 19 11.5
9 6 WSW 20 11.6
11 7 W 22 11.6
8 6 WNW 17 11.6
9 6 WNW 22 11.6
10 6 W 23 11.5
11 7 W 18 11.6
9 6 WSW 18 11.7
17 8 W 27 11.5
13 7 WSW 22 11.4
16 8 WSW 26 11.5
13 7 SW 20 11.5
11 7 W 19 11.5
15 7 SW 29 11.5
14 8 W 21 11.4
15 8 S 22 11.4
14 7 NNW 25 11.3
9 6 WSW 20 11.2
14 8 W 22 11.1
14 8 W 23 11.1
10 7 W 17 11.2
10 7 SW 22 11.2

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