Category A - Ocean.
Extended voyages with wind force in excess of Beaufort force 8, and
significant wave height of 4 metres or above.

Category B - Offshore
Offshore voyages in possible wind force of Beaufort force 8 and
significant wave heights of up to 4 metres.

Category C - Inshore
Voyages on coastal waters, large lakes, bays estuaries, or rivers,
where wind force of up to force 6 on the Beaufort scale and significant
wave heights of up to 2 metres may be experienced.

Category D - Sheltered waters
Designed for voyages on sheltered inland waterways, including lakes,
rivers and canals, where wind force 4 and significant wave height of
0.5 metres may be experienced

MW
Los Angeles