K4 wave buoy daily averages for Dec 2011 last observation shown Sat, Dec 31, 2011, 23:00 Data available: Tue, Mar 2, 2010 to Tue, Mar 10, 2026 Monthly averages for 2011

Average Wave Height

19 ft

8.9 — 46.3 ft

Average Wave period

9 secs

6 — 13 secs

Average Water temperature

11 °C

10.4 — 11.7 °C

Average Wind

W, 28 mph

7 — 220 mph

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 Dec 2011
Day	Wave height (ft)	Wave Period (s)	Wind Direction	Wind Speed (mph)	Water Temp (°C)
Dec 31	14	8	WSW	27	10.5
Dec 30	15	8	WSW	23	10.6
Dec 29	22	9	WNW	33	10.6
Dec 28	31	11	W	39	10.5
Dec 27	17	9	S	26	10.6
Dec 26	22	10	WSW	39	10.6
Dec 25	24	10	SW	30	10.6
Dec 24	20	9	WSW	30	10.6
Dec 23	18	9	W	27	10.6
Dec 22	17	9	SW	28	10.7
Dec 21	14	8	WSW	27	10.6
Dec 20	14	9	W	19	10.6
Dec 19	11	7	WNW	25	10.7
Dec 18	10	8	W	18	10.6
Dec 17	14	8	NW	22	10.5
Dec 16	15	8	NW	25	10.7
Dec 15	17	9	WNW	20	10.7
Dec 14	20	10	W	21	10.8
Dec 13	34	11	W	44	10.7
Dec 12	22	10	WSW	29	10.7
Dec 11	22	10	WSW	27	10.7
Dec 10	14	8	W	24	10.9
Dec 9	20	9	WNW	25	11.0
Dec 8	23	9	W	38	11.0
Dec 7	22	9	WNW	30	11.0
Dec 6	16	8	W	26	10.9
Dec 5	18	9	WNW	29	11.2
Dec 4	18	9	WNW	29	11.1
Dec 3	23	9	WNW	32	11.2
Dec 2	16	8	W	28	11.1
Dec 1	15	9	WNW	17	11.2

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