Monday, May 25th
Tanchon, North Korea
| Time |
Wave height |
Wave rating |
Swell period |
Swell direction |
Wind direction |
Wind speed |
Wind rating |
Total rating |
| 5:00 | 0.58m | 2 | 4.35s | 97° | 23° | 3 km/h | 4 | 2.79 |
| 6:00 | 0.58m | 2 | 4.05s | 102° | 108° | 1 km/h | 4 | 3.17 |
| 7:00 | 0.58m | 2 | 4s | 103° | 166° | 3 km/h | 4 | 2.85 |
| 8:00 | 0.6m | 2 | 4.05s | 103° | 151° | 5 km/h | 4 | 2.93 |
| 9:00 | 0.6m | 2 | 4.15s | 104° | 159° | 6 km/h | 4 | 2.89 |
| 10:00 | 0.6m | 2 | 4.15s | 103° | 153° | 9 km/h | 4 | 2.92 |
| 11:00 | 0.6m | 2 | 4.15s | 101° | 148° | 9 km/h | 4 | 2.94 |
| 12:00 | 0.6m | 2 | 4.25s | 100° | 145° | 10 km/h | 3 | 2.65 |
| 13:00 | 0.6m | 2 | 4.5s | 100° | 144° | 10 km/h | 3 | 2.66 |
| 14:00 | 0.58m | 2 | 4.8s | 100° | 136° | 10 km/h | 3 | 2.7 |
| 15:00 | 0.58m | 2 | 5.1s | 100° | 135° | 11 km/h | 3 | 2.71 |
| 16:00 | 0.58m | 2 | 5.35s | 96° | 134° | 10 km/h | 3 | 2.69 |
| 17:00 | 0.56m | 2 | 5.55s | 91° | 131° | 7 km/h | 4 | 2.98 |
| 18:00 | 0.56m | 2 | 5.65s | 87° | 132° | 5 km/h | 4 | 2.95 |
| Sunrise: 5:00 | Sunset: 19:42 |