---
kind: "section"
citation: "46 C.F.R. § 42.30-10"
title: "46"
number: "42.30-10"
heading: "Southern Winter Seasonal Zone."
url: "https://uscodex.org/cfr/46/42.30-10"
---

# §42.30-10. Southern Winter Seasonal Zone.

- (a) The northern boundary of the Southern Winter Seasonal Zone is the rhumb line from the east coast of the American continent at Cape Tres Puntas to the point latitude 34° S., longitude 50° W.; thence the parallel of latitude 34° S. to longitude 17° E.; thence the rhumb line to the point latitude 35°10′ S., longitude 20° E.; thence the rhumb line to the point latitude 34° S. longitude 28° E.; thence along the rhumb line to the point latitude 35°30′ S., longitude 118° E.; thence the rhumb line to Cape Grim on the northwest coast of Tasmania; thence along the north and east coasts of Tasmania to the southernmost point of Bruny Island; thence the rhumb line to Black Rock Point on Stewart Island; thence the rhumb line to the point latitude 47° S., longitude 170° E.; thence along the rhumb line to the point latitude 33° S., longitude 170° W.; and thence the parallel of latitude 33° S. to the west coast of the American continent.
  - (1) Valparaiso is to be considered as being on the boundary line of the Summer and the Winter Seasonal Zones.
  - (2) **Seasonal periods—**

## Notes

### Amendments

[CGFR 68-60, 33 FR 10068, July 12, 1968]

### Authority

Authority: 46 U.S.C. 5101-5116; Department of Homeland Security Delegation No. 00170.1, Revision No. 01.4; section 42.01-5 also issued under the authority of 44 U.S.C. 3507.

### Amendments

[CGFR 68-60, 33 FR 10068, July 12, 1968]