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Greenwich wave buoy daily averages for May 2021 last observation shown Data available:  to  Monthly averages for

Average Wave Height

3 ft
0.3 — 14.8 ft

Average Wave period

6 secs
3 — 10 secs

Average Water temperature

11 °C
10 — 12.6 °C

Average Wind

SW, 20 mph
3 — 48 mph
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 May 2021 last observation shown May 2021
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
1 6 ENE 17 12.0
2 6 ENE 20 11.7
1 6 NE 20 11.8
1 7 NE 14 11.7
1 6 WSW 7 11.6
2 6 W 20 11.2
4 6 WSW 25 11.0
5 7 SW 26 11.0
3 6 SSW 24 10.9
6 7 WSW 26 10.9
11 8 SW 39 10.8
3 6 SW 24 10.9
2 6 W 19 11.0
3 7 WSW 16 11.0
4 7 W 22 10.8
3 7 SW 22 10.7
2 6 SW 21 10.4
2 6 NNE 15 10.3
3 6 SSE 20 10.2
2 7 SSE 16 10.3
2 7 S 15 10.2
3 8 SSW 16 10.3
3 9 S 14 10.2
3 6 S 23 10.1
1 6 W 15 10.1
2 6 WSW 13 9.9
4 6 WNW 22 9.8
10 7 W 35 9.8
2 5 SW 26 9.7
1 5 SSE 9 9.8
1 5 NNW 8 9.7

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