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Greenwich wave buoy daily averages for Dec 2018 last observation shown oldest observation available Monthly averages for

Average Wave Height

4 ft
0.7 — 17.1 ft

Average Wave period

7 secs
5 — 10 secs

Average Water temperature

12 °C
11.4 — 13.3 °C

Average Wind

SW, 24 mph
2 — 54 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 2018 last observation shown Dec 2018
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
1 7 NW 15 11.6
1 6 WNW 17 11.7
1 6 W 19 11.8
1 8 NNW 10 11.6
1 7 SE 7 11.6
1 7 SE 11 11.7
2 6 S 14 11.7
2 7 E 17 11.7
4 6 WSW 26 12.0
6 7 W 28 12.0
8 7 WSW 34 12.0
7 7 WSW 31 11.8
5 7 SSW 30 11.7
6 7 S 34 11.8
4 7 WSW 26 11.9
5 7 SW 27 11.9
6 7 SSE 32 11.6
3 8 E 17 11.7
4 6 E 30 11.9
3 6 SE 25 12.3
2 7 SE 10 12.5
4 7 NW 22 12.7
10 8 WNW 39 12.8
12 8 W 43 12.8
9 7 WSW 39 12.9
4 7 WSW 24 13.0
3 6 SSW 27 13.0
3 8 NE 13 12.9
7 7 W 31 13.2
5 7 WSW 29 13.3
6 7 SSW 29 13.1
Realtime data displayed on this page is from the Met Office Marine observations .

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