Seaford wave buoy monthly averages for 2016 last observation shown oldest observation available
Average Wave Height
 3 ft 
 0.1 — 46.1 ft
   Average Wave period
 7 secs 
 2 — 29 secs
   Average Wave Direction
 SW 
  Average Water temperature
 13 °C 
 6.9 — 20.8 °C
   | Month | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) | 
|---|---|---|---|---|
| 2.6 | 7.4 | SSW | 9.4 | |
| 3.0 | 5.6 | SSW | 12.1 | |
| 1.7 | 7 | SSW | 15.4 | |
| 2.3 | 6.2 | SW | 19.2 | |
| 2.4 | 5.9 | SW | 19.0 | |
| 2.4 | 5.1 | WSW | 18.1 | |
| 2.0 | 6.3 | SW | 15.6 | |
| 1.4 | 6.2 | SW | 12.5 | |
| 2.1 | 6.1 | SW | 10.0 | |
| 2.8 | 8 | SSW | 7.8 | |
| 4.1 | 7.9 | SW | 8.2 | |
| 5.1 | 6.6 | SSW | 9.1 | 
 Realtime data displayed on this page is from the Regional
                Coastal Monitoring Programme.