Session Details
Pieter Hamstra
Monday 15 June 2026
Average speed
31.54 kts (31.78 31.72 31.64 31.46 31.09)
100m
31.93 kts
250m
31.36 kts
500m
29.58 kts
½ hour
13.74 kts
Hour
12.23 kts
Duration
01:33:38
Naut. Mile
22.28 kts
Alpha
11.38 kts
Distance
32.73 km
Wind
16 knots
Gust
28 knots
Direction
NW ( 315)
Helaas wat te laat voor de sterkere wind maar toch nog heel mooi gevaren.
Filter Rankings
Day Rank - speed
| # | Rider | Avg | |
|---|---|---|---|
| 1 | Jasper Jongepier | 32.00 |  |
| 2 | Pieter Hamstra | 31.54 |  |
| 3 | Rolf Smook | 29.57 | |
| 4 | Marcus Stevens | 29.35 | |
| 5 | Tom Venema | 29.21 | |
Day Rank - speed
Avg
| Rider | Avg | 2 Sec | 500m | Mile | Hour | Distance | Alpha | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | |
Jasper Jongepier | 32.00 | 35.76 | 30.07 | 27.88 | 20.67 | 66.30 | 22.16 | |
| 2 | |
Pieter Hamstra | 31.54 | 32.77 | 29.58 | 22.28 | 12.23 | 32.73 | 11.38 | |
| 3 | |
Rolf Smook | 29.57 | 30.96 | 28.90 | 25.08 | 15.36 | 63.15 | 0.00 | |
| 4 | |
Marcus Stevens | 29.35 | 30.48 | 28.26 | 24.45 | 17.27 | 60.17 | 18.56 | |
| 5 | |
Tom Venema | 29.21 | 30.80 | 28.36 | 24.13 | 16.44 | 59.82 | 17.63 | |
Gear size range
Sail (m²)
6.6
avg 7.7
8.5
Board (W)
63
avg 110
138
Fin (cm)
32
avg 39
46
Wind Observation
| 🕐 | 6h | 7h | 8h | 9h | 10h | 11h | 12h | 13h | 14h | 15h | 16h | 17h | 18h | 19h | 20h | 21h | 22h |
| ↗ | |||||||||||||||||
| kts | 16 | 17 | 15 | 16 | 17 | 16 | 16 | 17 | 15 | 16 | 16 | 14 | 13 | 12 | 10 | 9 | 8 |
| kts* | 26 | 27 | 25 | 25 | 28 | 28 | 29 | 28 | 26 | 27 | 25 | 24 | 22 | 20 | 19 | 16 | 15 |
| °C | 13° | 13° | 14° | 14° | 14° | 14° | 13° | 15° | 16° | 15° | 16° | 14° | 15° | 15° | 15° | 14° | 16° |
| Time | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Direction | |||||||||||||||||
| Wind | 16 | 17 | 15 | 16 | 17 | 16 | 16 | 17 | 15 | 16 | 16 | 14 | 13 | 12 | 10 | 9 | 8 |
| Gust | 26 | 27 | 25 | 25 | 28 | 28 | 29 | 28 | 26 | 27 | 25 | 24 | 22 | 20 | 19 | 16 | 15 |
| Degrees | 315° | 315° | 315° | 315° | 315° | 315° | 315° | 315° | 293° | 293° | 293° | 293° | 293° | 293° | 293° | 293° | 293° |