Start Bay wave
buoy daily averages for Feb 2025 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
4 ft
1 — 6.9 ft
Average Wave period
5 secs
3.5 — 7 secs
Average Wave Direction
SE
Average Water temperature
9 °C
8.7 — 10.2 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 1.0 | 3.8 | SSE | 9.8 | |
| 1.4 | 5.8 | S | 9.8 | |
| 2.4 | 5.1 | S | 9.7 | |
| 2.4 | 7 | S | 9.7 | |
| 4.4 | 5.7 | S | 9.8 | |
| 5.3 | 4.6 | S | 9.6 | |
| 3.2 | 6.2 | S | 9.5 | |
| 5.8 | 5.1 | S | 9.4 | |
| 4.6 | 4.8 | S | 9.1 | |
| 4.2 | 4.8 | SE | 8.7 | |
| 5.8 | 4.8 | E | 8.7 | |
| 4.9 | 4.2 | E | 8.7 | |
| 5.4 | 4.5 | E | 8.9 | |
| 3.9 | 4.4 | SE | 8.9 | |
| 6.5 | 5 | ESE | 9.0 | |
| 3.9 | 3.9 | E | 9.1 | |
| 2.5 | 3.5 | E | 9.1 | |
| 1.9 | 3.5 | E | 9.2 | |
| 4.6 | 4.5 | E | 9.4 | |
| 3.0 | 3.6 | E | 9.5 | |
| 3.1 | 4.6 | E | 9.5 | |
| 6.9 | 5 | E | 9.9 | |
| 4.5 | 4.1 | ESE | 10.1 | |
| 2.2 | 6.6 | S | 10.0 | |
| 3.6 | 4.9 | S | 10.2 | |
| 2.7 | 5 | S | 10.2 | |
| 3.2 | 4.2 | SSE | 10.1 | |
| 1.9 | 3.9 | SSE | 10.2 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.