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K4 wave buoy daily averages for May 2013 last observation shown Data available:  to  Monthly averages for

Average Wave Height

10 ft
3.6 — 20.7 ft

Average Wave period

7 secs
5 — 10 secs

Average Water temperature

11 °C
10.4 — 11.3 °C

Average Wind

WNW, 19 mph
2 — 40 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 2013 last observation shown
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
9 7 WNW 14 10.7
8 6 SW 23 10.7
8 7 NNE 14 10.8
12 7 WSW 27 10.7
13 8 WSW 18 10.7
11 9 S 9 10.8
7 6 SE 15 10.8
6 6 ENE 10 10.9
9 6 NNW 20 10.9
9 7 W 20 10.7
14 8 WNW 24 10.7
14 8 W 27 10.7
20 9 WNW 31 10.6
16 8 NW 29 10.6
15 8 NW 22 10.5
11 7 NNW 21 10.5
11 7 N 21 10.6
8 6 N 21 10.7
10 7 N 19 10.6
8 8 NNW 13 10.6
8 7 WNW 17 10.7
7 6 NW 16 10.7
7 7 NW 14 10.7
8 8 W 10 10.8
6 7 NW 11 11.0
8 7 SSW 22 10.8
15 8 WSW 27 10.7
17 9 WNW 25 10.7
9 7 NNW 13 10.9
4 6 WSW 12 11.1
7 7 W 15 11.2

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