33 CFR § 401.65 - Communication—ports, docks and anchorages.

---
identifier: "/us/cfr/t33/s401.65"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 401.65 - Communication—ports, docks and anchorages."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "401.65"
section_name: "Communication—ports, docks and anchorages."
chapter_name: "GREAT LAKES ST. LAWRENCE SEAWAY DEVELOPMENT CORPORATION, DEPARTMENT OF TRANSPORTATION"
part_number: "401"
part_name: "SEAWAY REGULATIONS AND RULES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
cfr_part: "401"
---


# 401.65 Communication—ports, docks and anchorages.

(a) Every vessel entering or leaving a lake port shall report to the appropriate Seaway station at the following check points:

(1) For the lake ports of Toronto and Hamilton, 1 nautical mile outside the harbor limits; and

(2) For other lake ports, when crossing the harbor entrance.

(b) Every vessel arriving at a port, dock, or anchorage shall report to the appropriate Seaway station, giving an estimated time of departure if possible.

(c) At least four hours prior to departure from a port, dock, or anchorage, every vessel shall report to the appropriate Seaway station its destination and its expected time of arrival at the next check point.

(d) Every vessel intending to conduct a dive operation and/or Remotely Operated Vehicle (ROV) inspection at a dock, wharf or approach wall shall provide a 24-hour minimum notice of diving operations to the appropriate Seaway Traffic control Centre.

[39 FR 10900, Mar. 22, 1974, as amended at 47 FR 51123, Nov. 12, 1982; 55 FR 48599, Nov. 21, 1990; 61 FR 19551, May 2, 1996; 76 FR 13089, Mar. 10, 2011; 88 FR 14268, Mar. 8, 2023; 89 FR 15961, Mar. 6, 2024; 90 FR 1883, Jan. 10, 2025]