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K4 wave buoy daily averages for Sep 2017 last observation shown Data available:  to  Monthly averages for

Average Wave Height

10 ft
0 — 20 ft

Average Wave period

7 secs
0 — 17 secs

Average Water temperature

14 °C
13.1 — 34.7 °C

Average Wind

WSW, 18 mph
0 — 46 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 Sep 2017 last observation shown
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
5 6 SW 11 14.9
7 5 SSE 18 14.8
7 7 SSW 14 15.7
10 7 SW 22 14.8
13 8 W 22 14.8
12 8 W 16 14.7
10 6 W 19 14.6
12 7 WNW 25 14.6
12 7 NW 24 14.5
12 6 W 33 14.2
16 8 WNW 19 13.8
9 7 W 12 13.6
10 7 NW 18 13.5
12 7 NNW 18 13.4
10 7 NNW 15 13.3
7 7 NNW 12 13.4
6 7 ESE 12 13.5
5 6 S 13 13.7
6 5 S 17 13.7
7 6 WSW 11 13.7
6 6 SSW 14 14.6
7 6 SSW 13 13.6
14 6 S 25 13.7
14 9 SSW 12 13.7
9 7 SSE 21 13.6
12 7 SSE 22 13.8
12 8 WSW 12 13.6
10 6 SSE 22 13.3
18 9 WSW 26 13.2
12 7 WSW 14 13.1

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