Greenwich wave buoy daily averages for Jul 2021 last observation shown Data available: to Monthly averages for
Average Wave Height
1 ft
0.3 — 0.7 ft
Average Wave period
5 secs
3 — 6 secs
Average Water temperature
17 °C
15.2 — 19.5 °C
Average Wind
SW, 6 mph
2 — 11 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.
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
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| 1 | 5 | SSW | 10 | 15.2 | |
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| 1 | 5 | WSW | 5 | 17.8 | |
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| 0 | 4 | WSW | 3 | 19.2 | |
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