33 CFR § 167.404 - Off San Francisco: Western approach.

---
identifier: "/us/cfr/t33/s167.404"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 167.404 - Off San Francisco: Western approach."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "167.404"
section_name: "Off San Francisco: Western approach."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "P"
subchapter_name: "PORTS AND WATERWAYS SAFETY"
part_number: "167"
part_name: "OFFSHORE TRAFFIC SEPARATION SCHEMES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 70001, 70003; Department of Homeland Security Delegation No. 0170.0."
regulatory_source: "CGD 81-080, 48 FR 36456, Aug. 11, 1983, unless otherwise noted."
cfr_part: "167"
---


# 167.404 Off San Francisco: Western approach.

(a) A separation zone is bounded by a line connecting the following geographical positions:

| Latitude | Longitude |
| --- | --- |
| 37°41.90′ N | 122°48.00′ W. |
| 37°38.10′ N | 122°58.10′ W. |
| 37°36.50′ N | 122°57.30′ W. |
| 37°41.10′ N | 122°47.20′ W. |

(b) A traffic lane for south-westbound traffic is established between the separation zone and a line connecting the following geographical positions:

| Latitude | Longitude |
| --- | --- |
| 37°42.80′ N | 122°48.50′ W. |
| 37°39.60′ N | 122°58.80′ W. |

(c) A traffic lane for north-eastbound traffic is established between the separation zone and a line connecting the following geographical positions:

| Latitude | Longitude |
| --- | --- |
| 37°35.00′ N | 122°56.50′ W. |
| 37°40.40′ N | 122°46.30′ W. |