Seaford wave buoy daily averages for Jun 2025 last observation shown oldest observation available Monthly averages for
Average Wave Height
 2 ft 
 0.4 — 6.7 ft
   Average Wave period
 3 secs 
 2 — 6 secs
   Average Wave Direction
 SW 
  Average Water temperature
 17 °C 
 15.2 — 20.5 °C
   | Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) | 
|---|---|---|---|---|
| 0.9 | 4.3 | SW | 19.2 | |
| 1.1 | 4 | SW | 19.0 | |
| 2.4 | 3.1 | WSW | 18.9 | |
| 2.2 | 3.2 | SW | 18.8 | |
| 3.6 | 3.6 | WSW | 18.6 | |
| 1.3 | 3.3 | SW | 18.8 | |
| 3.7 | 3.8 | WSW | 18.6 | |
| 4.7 | 4 | WSW | 18.4 | |
| 2.6 | 3.1 | SW | 17.7 | |
| 0.7 | 2.9 | S | 17.6 | |
| 0.8 | 2.6 | SSE | 17.5 | |
| 0.6 | 3.4 | SW | 17.7 | |
| 0.7 | 3 | WSW | 17.6 | |
| 0.8 | 3.2 | WSW | 17.3 | |
| 1.1 | 3.4 | SW | 17.2 | |
| 2.4 | 3.3 | WSW | 16.8 | |
| 2.3 | 3.4 | WSW | 16.5 | |
| 0.8 | 3.8 | SSW | 16.7 | |
| 1.1 | 3 | SE | 16.4 | |
| 1.2 | 3.2 | SSE | 16.3 | |
| 3.5 | 3.9 | WSW | 16.2 | |
| 2.3 | 3 | WSW | 16.1 | |
| 4.0 | 3.7 | SW | 15.8 | |
| 2.0 | 3.4 | WSW | 16.0 | |
| 2.8 | 3.4 | WSW | 15.5 | 
 Realtime data displayed on this page is from the Regional
                Coastal Monitoring Programme.