Start Bay wave buoy daily averages for Apr 2025 last observation shown oldest observation available Monthly averages for
Average Wave Height
3 ft
0.6 — 7 ft
Average Wave period
4 secs
2 — 6 secs
Average Wave Direction
SE
Average Water temperature
11 °C
10 — 12.9 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 2 | 3 | ESE | 11.9 | |
| 2 | 3 | ESE | 11.6 | |
| 1 | 4 | S | 11.5 | |
| 1 | 5 | S | 11.5 | |
| 2 | 5 | S | 11.3 | |
| 3 | 4 | SE | 11.2 | |
| 1 | 4 | S | 11.6 | |
| 2 | 5 | SSE | 11.7 | |
| 2 | 4 | S | 11.3 | |
| 1 | 4 | SE | 11.3 | |
| 4 | 5 | E | 10.9 | |
| 4 | 4 | E | 10.8 | |
| 5 | 4 | SE | 10.8 | |
| 1 | 3 | SSE | 10.8 | |
| 2 | 4 | S | 10.6 | |
| 2 | 3 | ESE | 10.7 | |
| 2 | 4 | SSE | 10.7 | |
| 1 | 3 | SSW | 10.7 | |
| 1 | 3 | ESE | 10.7 | |
| 1 | 3 | SSE | 10.7 | |
| 3 | 4 | E | 10.6 | |
| 3 | 5 | SSE | 10.6 | |
| 2 | 4 | ESE | 10.6 | |
| 3 | 4 | E | 10.5 | |
| 4 | 5 | E | 10.5 | |
| 5 | 4 | E | 10.3 | |
| 2 | 3 | E | 10.2 | |
| 4 | 4 | E | 10.1 | |
| 6 | 5 | E | 10.0 | |
| 5 | 4 | E | 10.0 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.