Greenwich wave buoy observations on Thu, May 21, 2026
Hourly readings from the Greenwich wave buoy for Thu, May 21, 2026, including available wave height, period, direction, wind and sea temperature data.
Period Summary
AI-generated summary. Hog SaysOn Thursday, 21 May 2026, Greenwich recorded 24 wave buoy observations, covering two observed days. Wave heights averaged 2.1 ft, ranging from 1 to 3.9 ft, while periods averaged 8.4 seconds and winds averaged 10.2 mph; water temperatures averaged 13.1°C from 24 observations.
Generated only from the observations and comparisons shown on this page.
Line chart showing wave height, wave period and sea temperature for Greenwich. Use the detailed observations table below for the same data in text form.
Sorry, there is no wave data :(
for Thu, May 21, 2026
About Greenwich wave buoy
Greenwich Lightship (WMO 62305) is a UK Met Office station in the southern North Sea on the Greenwich meridian. It monitors marine conditions between the Dover Strait and the Thames approaches. The station feed can include wind, wave height, pressure, visibility, and air and sea temperature.
| Hour | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 3 | - | SW | 16 | 12.5 | |
| 4 | 7 | SW | 14 | 12.5 | |
| 4 | 8 | SW | 11 | 12.5 | |
| 4 | 7 | SW | 9 | 12.5 | |
| 3 | 8 | S | 8 | 12.5 | |
| 2 | 8 | SSE | 10 | 12.5 | |
| 2 | - | SSE | 11 | 12.5 | |
| 2 | 8 | SSE | 14 | 12.5 | |
| 1 | 9 | SSE | 13 | 12.5 | |
| 1 | 8 | S | 13 | 12.6 | |
| 1 | 8 | S | 7 | 12.7 | |
| 2 | 8 | S | 9 | 12.9 | |
| 2 | - | S | 6 | 13.3 | |
| 3 | 8 | S | 5 | 13.5 | |
| 3 | 9 | S | 5 | 13.6 | |
| 3 | 8 | NNE | 3 | 13.3 | |
| 2 | 9 | NE | 6 | 13.5 | |
| 2 | 9 | ENE | 8 | 14.2 | |
| 1 | - | NE | 10 | 14.2 | |
| 1 | 10 | NE | 10 | 13.9 | |
| 1 | 9 | ENE | 11 | 13.6 | |
| 1 | 9 | ENE | 13 | 13.4 | |
| 1 | 9 | E | 15 | 13.2 | |
| 1 | 8 | E | 16 | 13.1 |