| Weather Condition
| Sailing Modifier
| Rowing Modifier
|
| Adverse
| x½
| x1
|
| Becalmed
| NA
| x1
|
| Favorable
|
|
|
| (average)
| x2
| x1
|
| (strong)
| x3
| x1*
|
| Gale
| x4*
| x½*
|
| Hurricane
| x5**
| x½**
|
| Light breeze
| x1
| x1
|
| Storm
| x3*
| x½*
|