Greenwich wave buoy daily averages for May 2021 last observation shown oldest observation available 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
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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
Realtime data displayed on this page is from the Met Office Marine observations.

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