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K4 wave buoy monthly averages for 2017 last observation shown Data available:  to 

Average Wave Height

11 ft
0 — 35.4 ft

Average Wave period

7 secs
2 — 13 secs

Average Water temperature

12 °C
7.6 — 34.7 °C

Average Wind

WSW, 18 mph
0 — 91 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 monthly averages 2017 last observation shown
Month Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
14 8 SW 21 10.9
14 8 SW 20 10.5
13 8 SW 18 10.7
9 7 W 16 10.7
7 6 S 16 11.7
9 7 SW 16 12.7
7 6 WSW 14 14.1
7 6 WSW 16 14.8
11 7 WSW 18 14.0
12 7 WSW 20 12.5
13 8 WNW 18 11.9
14 8 WNW 20 11.2

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