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Greenwich wave buoy daily averages for Jan 2012 last observation shown Data available:  to  Monthly averages for

Average Wave Height

4 ft
0.3 — 10.2 ft

Average Wave period

7 secs
4 — 26 secs

Average Water temperature

10 °C
4.7 — 21.1 °C

Average Wind

W, 25 mph
7 — 52 mph

Chart showing grouped wave observations for Greenwich. Use the table on this page for a text version of the same measurements.

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 Jan 2012 last observation shown
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
4 6 SW 28 11.6
5 7 W 30 11.4
8 8 WSW 38 11.3
8 7 W 39 11.2
9 8 WNW 41 11.2
4 7 WNW 27 11.1
4 6 WNW 30 11.2
2 6 WNW 20 11.1
2 6 W 20 11.6
1 6 W 17 11.1
1 6 W 20 11.1
2 6 W 25 11.0
1 5 NNE 16 10.8
1 5 E 17 10.6
2 5 ESE 27 10.5
2 6 E 23 10.4
2 6 SSW 14 10.4
3 7 SW 26 10.5
6 7 W 33 10.6
6 7 W 35 10.5
6 7 W 35 10.5
5 7 W 32 10.4
2 6 WNW 22 10.4
2 6 W 18 10.2
2 6 WSW 19 10.4
4 6 SW 30 10.2
4 7 W 19 10.0
2 6 N 20 10.0
1 6 NE 18 9.8
2 11 NNE 16 7.1
- 26 NE 16 4.9

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