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Greenwich wave buoy daily averages for Mar 2026 last observation shown Data available:  to  Monthly averages for

Average Wave Height

3 ft
0 — 6.2 ft

Average Wave period

7 secs
4 — 25 secs

Average Water temperature

10 °C
9.6 — 10.8 °C

Average Wind

SW, 18 mph
1 — 41 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 Mar 2026 last observation shown
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
4 6 SSW 27 10.1
4 7 SSE 16 10.2
2 8 ENE 13 10.3
2 7 E 19 10.2
1 9 SE 13 10.3
2 10 SE 7 10.3
2 8 ENE 20 10.3
2 9 E 12 10.2
2 10 ESE 6 10.4
2 8 SSW 12 10.3
4 7 WSW 28 10.3
5 7 SW 29 10.3
5 7 W 24 10.2
3 7 WNW 16 10.2
3 7 WSW 22 10.2
4 7 WSW 25 10.2
2 7 SSE 15 10.4
2 7 E 19 10.4
1 7 ENE 19 10.4
1 6 ENE 19 10.3
1 6 NE 18 10.2
1 7 NNE 10 10.1
1 13 S 8 10.2
2 6 SW 24 10.2
6 7 NW 37 9.9
3 7 NW 16 10.0
2 7 WSW 17 10.0
3 6 NW 23 10.0
3 6 W 21 9.9
4 7 WNW 19 10.1
2 8 W 13 10.2

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