Class | Beach State | B/F Length Ratio | ||
Advancing | I | Strongly Advancing | <0.5 | |
II | Moderately Advancing | 0.5 - 0.8 | ||
III | Slightly Advancing | 0.8 - 1 | ||
IV | Stable (Neither Advancing Nor Receding) | 1 | ||
Receding | ||||
V | Slightly Receding | 1 - 2 | ||
VI | Moderately Receding | 2 - 3 | ||
VII | Strongly Receding | >3 |