---
kind: "section"
citation: "46 C.F.R. § 42.30-5"
title: "46"
number: "42.30-5"
heading: "Northern Winter Seasonal Zones and area."
url: "https://uscodex.org/cfr/46/42.30-5"
---

# §42.30-5. Northern Winter Seasonal Zones and area.

- (a) **North Atlantic Winter Seasonal Zones I and II.**
  - (1) **The North Atlantic Winter Seasonal Zone I lies within the meridian of longitude 50° W.** from the coast of Greenland to latitude 45° N.; thence the parallel of latitude 45° N. to longitude 15° W.; thence the meridian of longitude 15° W. to latitude 60° N.; thence the parallel of latitude 60° N. to the Greenwich Meridian, thence this meridian northwards.
    - (i) **Seasonal periods—**
  - (2) **The North Atlantic Winter Seasonal Zone II lies within the meridian of longitude 68°30′ W.** from the coast of the United States to latitude 40° N.; thence the rhumb line to the point latitude 36° N., longitude 73° W.; thence the parallel of latitude 36° N. to longitude 25° W.; and thence the rhumb line to Cape Torinana. Excluded from this zone are the North Atlantic Winter Seasonal Zone I and the Baltic Sea bounded by the parallel of the latitude of The Skaw in the Skagerrak.
    - (i) **Seasonal periods—**
- (b) **North Atlantic Winter Seasonal Area.**
  - (1) **The boundary of the North Atlantic Winter Seasonal Area is the meridian of longitude 68°30′ W.** from the coast of the United States to latitude 40° N.; thence the rhumb line to the southernmost intersection of the meridian of longitude 61° W. with the coast of Canada; and thence the east coasts of Canada and the United States.
    - (i) **Seasonal periods—** (a) For vessels over 328 feet in length:

      (b) For vessels of 328 feet and under in length:

- (c) **North Pacific Winter Seasonal Zone.** The southern boundary of the North Pacific Winter Seasonal Zone is the parallel of latitude 50° N. from the east coast of the Union of Soviet Socialist Republics, to the west coast of Sakhalin; thence the west coast of Sakhalin to the southern extremity of Cape Kril'on: thence the rhumb line to Wakkanai, Hokkaido, Japan; thence the east and south coasts of Hokkaido to longitude 145° E., thence the meridian of longitude 145° E. to latitude 35° N., thence the parallel of latitude 35° N. to longitude 150° W. and thence the rhumb line to the southern extremity of Dall Island, Alaska.
  - (1) **Seasonal periods—**

## Notes

### Amendments

[CGFR 68-60, 33 FR 10068, July 12, 1968, as amended by CGFR 68-126, 34 FR 9016, June 5, 1969]

### 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, as amended by CGFR 68-126, 34 FR 9016, June 5, 1969]