Port of Greenwich

The approach to Greenwich is supported by 5 navigation aids within 50 nautical miles. The nearest is Great Captain Island Lighthouse at 1.8 NM to the SSW. Other aids include Westport and Norwalk Lighthouses (1.8 NM SSW), Stamford Harbor Ledge (2.9 NM E), Greens Ledge (7.6 NM ENE), Cold Spring Harbor (7.7 NM SE). Mariners should consult the relevant chart and List of Lights for full approach details.

The Port of Greenwich is located within the US East Coast shipping lane — a major shipping corridor serving ports along the Atlantic seaboard of the United States. This strategic position influences vessel traffic density, anchorage availability, and port scheduling.

You can track vessels near Greenwich (USGRW) in real time using MarineRadar. The platform displays live AIS positions of nearby ships, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page or search for USGRW on the live map.

The Port of Greenwich is a port in US. Its UN/LOCODE is USGRW — the five-character code the UNECE assigns to trade and transport locations, and the identifier used on shipping documents and in port calls.

The first two characters, US, are the ISO country code for US. The remaining three identify the location within that country. The code is issued by the United Nations Economic Commission for Europe and is the international standard for naming ports in trade and transport systems.

The Port of Greenwich operates in the UTC-4 time zone. Operating hours, VTS schedules, and pilot availability vary — vessel agents should confirm with the port authority in advance, especially for night arrivals or weekend operations.