Seaford wave
buoy daily averages for Sep 2025 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
5 ft
0.9 — 10.9 ft
Average Wave period
4 secs
3 — 6 secs
Average Wave Direction
SW
Average Water temperature
18 °C
17.4 — 19.3 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 10.2 | 6 | SW | 17.5 | |
| 4.4 | 4.3 | SW | 17.6 | |
| 5.5 | 4.8 | SW | 17.8 | |
| 6.1 | 4.8 | SW | 18.0 | |
| 6.3 | 4.7 | SW | 18.2 | |
| 4.3 | 3.8 | SSW | 18.5 | |
| 1.4 | 3.5 | SW | 18.6 | |
| 2.6 | 3.7 | SW | 18.6 | |
| 2.3 | 3.4 | S | 18.6 | |
| 1.7 | 3.2 | SSE | 18.5 | |
| 2.6 | 3.8 | SW | 18.4 | |
| 6.3 | 4.9 | SW | 18.5 | |
| 8.1 | 5 | SW | 18.9 | |
| 5.1 | 4.2 | SW | 19.1 | |
| 5.1 | 4.3 | SW | 19.2 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.