Wednesday, April 15th
Surabaya, Indonesia
| Time |
Wave height |
Wave rating |
Swell period |
Swell direction |
Wind direction |
Wind speed |
Wind rating |
Total rating |
| 5:00 | 0.3m | 1 | 3.2s | 98° | 158° | 4 km/h | 4 | 2.37 |
| 6:00 | 0.28m | 1 | 3.2s | 98° | 180° | 4 km/h | 4 | 2.24 |
| 7:00 | 0.26m | 1 | 3.2s | 97° | 188° | 5 km/h | 4 | 2.19 |
| 8:00 | 0.26m | 1 | 3.15s | 97° | 167° | 5 km/h | 4 | 2.31 |
| 9:00 | 0.26m | 1 | 3.15s | 96° | 141° | 5 km/h | 4 | 2.45 |
| 10:00 | 0.26m | 1 | 3.1s | 96° | 112° | 7 km/h | 4 | 2.61 |
| 11:00 | 0.24m | 1 | 3.1s | 96° | 93° | 7 km/h | 4 | 2.68 |
| 12:00 | 0.24m | 1 | 3.1s | 95° | 84° | 7 km/h | 4 | 2.64 |
| 13:00 | 0.22m | 1 | 3.1s | 95° | 74° | 9 km/h | 4 | 2.58 |
| 14:00 | 0.22m | 1 | 3.1s | 95° | 62° | 9 km/h | 4 | 2.52 |
| 15:00 | 0.22m | 1 | 3.1s | 95° | 61° | 10 km/h | 3 | 2.21 |
| 16:00 | 0.22m | 1 | 3.15s | 95° | 56° | 12 km/h | 3 | 2.18 |
| Sunrise: 5:30 | Sunset: 17:27 |