| Legend (Click for Impacts) |
| None |
Significant wave height 2 feet or less. |
| Slight |
Significant wave height > 2 to 4 feet. |
| Moderate |
Significant wave height > 4 to 6 feet. |
| High |
Significant wave height > 6 to 11 feet. |
| Extreme |
Significant wave height ≥ 12 feet. |