Seaford wave buoy monthly averages for 2025 last observation shown oldest observation available

Average Wave Height

3 ft
0.3 — 26 ft

Average Wave period

4 secs
2 — 11 secs

Average Wave Direction

SSW

Average Water temperature

13 °C
6.5 — 21.1 °C
```
Seaford wave buoy monthly averages 2025 last observation shown Dec 2025
Month Wave height (ft) Wave Period (s) Wave Direction Water Temp (°C)
5 5 SSW 10.9
4 4 SSW 12.9
3 4 SSW 14.9
3 4 SSW 17.6
2 4 SSW 19.7
2 4 SW 19.5
2 3 SW 17.4
2 3 SSW 13.9
1 4 SSW 10.8
1 4 SSW 8.4
2 4 S 7.5
3 5 SSW 8.0
Realtime data displayed on this page is from the Regional Coastal Monitoring Programme .

› Wave Buoy List