Calm conditions ideal for snorkeling. Clear visibility, easy swimming.
Moderate conditions. Snorkeling possible but may be choppy.
Rough conditions. Not recommended for snorkeling.
We start with 100 points and apply penalties:
Larger waves reduce visibility and make swimming harder.
| Height | Penalty |
|---|---|
| ≤ 0.3m | None |
| 0.3 - 0.6m | -15 |
| 0.6 - 1.0m | -35 |
| > 1.0m | -60 |
Shorter periods mean choppier, less comfortable conditions.
| Period | Penalty |
|---|---|
| ≥ 8s | None |
| 6 - 8s | -10 |
| 4 - 6s | -20 |
| < 4s | -35 |
Strong winds create surface chop and can push you around.
| Speed | Penalty |
|---|---|
| ≤ 8 kt | None |
| 8 - 12 kt | -10 |
| 12 - 16 kt | -20 |
| > 16 kt | -35 |