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Greenwich wave buoy daily averages for Dec 2017 last observation shown oldest observation available Monthly averages for

Average Wave Height

4 ft
0.3 — 20 ft

Average Wave period

6 secs
4 — 10 secs

Average Water temperature

11 °C
10.1 — 18.2 °C

Average Wind

WNW, 26 mph
2 — 60 mph
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About Greenwich wave buoy

Greenwich (WMO 62305) is an offshore station in the southern North Sea/Thames approaches (50.4170°N, 0.0000°E). It is sited to monitor waves and weather affecting busy shipping lanes and coastal flood/sea-state forecasting for south‑east England. It reports wave height/period/direction and meteorological variables such as wind and pressure.

Greenwich wave buoy daily averages Dec 2017 last observation shown Dec 2017
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
9 7 SW 34 10.6
7 7 WSW 31 10.6
7 7 WSW 34 10.4
4 7 WNW 21 10.6
7 7 WNW 35 10.5
7 7 SW 36 10.7
6 7 SSW 36 11.0
3 6 WSW 25 11.0
2 6 W 18 11.1
2 7 WNW 13 11.1
2 7 W 20 11.1
1 7 WNW 16 11.0
1 7 W 14 10.9
2 6 N 17 11.0
2 6 WNW 21 10.9
3 6 NNW 24 10.8
5 6 NW 33 11.0
9 8 W 35 11.1
7 7 WSW 36 11.4
3 8 W 19 11.2
7 7 NNE 33 11.3
8 7 WSW 33 11.5
3 6 WNW 20 11.5
7 7 NW 34 11.6
10 7 SSW 40 12.2
2 6 SW 23 12.4
1 5 WNW 16 12.4
1 4 NNW 17 12.4
1 4 NNW 18 12.4
1 5 NNW 15 12.2
3 5 N 32 12.1
Realtime data displayed on this page is from the Met Office Marine observations .

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