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

Average Wave Height

12 ft
2.6 — 21 ft

Average Wave period

7 secs
4 — 11 secs

Average Water temperature

10 °C
9.6 — 10.9 °C

Average Wind

SSW, 22 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 Apr 2013 last observation shown
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
16 8 ESE 30 10.2
14 7 ESE 26 10.2
8 6 E 18 10.1
5 6 ENE 10 10.1
4 6 SSE 9 10.1
8 6 S 23 10.3
11 7 ESE 21 10.2
12 7 E 26 10.2
11 7 E 24 10.0
9 7 E 20 10.1
7 6 NNE 24 10.1
7 7 NNW 12 10.2
11 7 SE 25 9.9
18 9 SSW 29 10.1
16 9 SSE 19 10.5
16 8 WSW 27 10.5
11 7 SE 24 10.5
16 8 WNW 26 10.5
11 7 SW 19 10.6
13 7 SW 26 10.6
17 9 WSW 23 10.7
15 8 W 26 10.8
20 10 W 18 10.8
17 10 W 17 10.6
12 8 WNW 22 10.8
14 8 NNW 25 10.6
9 7 WNW 17 10.7
15 7 WNW 30 10.7
17 9 NW 22 10.7
10 8 WSW 19 10.7

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