Greenwich wave buoy daily averages for May 2018 last observation shown oldest observation available Monthly averages for Wave buoy icon

Average Wave Height

1 ft
0.3 — 18.7 ft

Average Wave period

6 secs
4 — 9 secs

Average Water temperature

11 °C
9.7 — 13.9 °C

Average Wind

NNE, 13 mph
0 — 41 mph
Greenwich wave buoy daily averages May 2018 last observation shown May 2018
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
0.7 7.2 ENE 10 12.2
0.7 5.8 ENE 12 12.1
0.7 5 NE 13 12.1
0.5 5.1 NE 10 12.5
0.6 4.9 NNW 9 12.3
1.3 5.8 NE 21 11.6
0.9 7 ENE 7 11.7
0.9 5.8 N 11 11.4
1.5 5.1 NNE 12 11.8
0.7 5.6 NNW 11 11.9
0.8 5.3 NNE 12 11.4
0.7 4.7 NE 14 11.1
0.6 4.7 NE 7 11.2
1.2 5.2 NE 11 10.9
2.5 5.7 NE 23 10.8
1.8 5.5 NNE 17 10.8
1.4 5.7 W 11 11.0
1.5 6.2 - 17 10.7
1.6 7.6 - 12 10.6
2.2 8.4 - 9 10.5
1.8 6.8 - 15 10.6
3.0 6.5 - 19 10.6
1.4 6.7 - 16 10.7
1.3 6.3 - 13 11.5
0.8 6.4 - 10 11.5
0.9 5.6 - 13 10.4
0.9 6.3 - 17 10.2
1.3 7.3 - 7 10.3
1.7 7 - 9 10.0
4.3 6 - 23 9.8
1.4 5.2 - 16 9.8
Realtime data displayed on this page is from the Met Office Marine observations.

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