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Port of Dorchester

USDZM🇺🇸US

Port Location

About Port of Dorchester

The Port of Dorchester (USDZM) is a maritime port facility located in US.. Local time zone: UTC-5.

Position: 42.3067°N, 71.0519°W. UN/LOCODE: USDZM.

Geographic context: The Port of Dorchester is situated on the North Atlantic Ocean. The location falls within the temperate maritime climate zone.

Vessel Limits

Max Draft
—

General Information

Port Name
Dorchester
Country
🇺🇸US
UNLOCODE
USDZM
Time Zone
UTC-5
Latitude
42.3067°
Longitude
-71.0519°

Navigation Aids Near Dorchester

Pleasure Bay Lighthouse

2.2 NMNE

Nix's Mate Daybeacon Lighthouse

5 NMENE

Gloucester Lighthouses Lighthouse

8.8 NMENE

Notable faux lighthouses: Lighthouse

16 NMSW

Scituate Lighthouse Lighthouse

16.1 NMESE

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do I navigate the approach to the Port of Dorchester?+
The approach to Dorchester is supported by 5 navigation aids within 50 nautical miles. The nearest is Pleasure Bay Lighthouse at 2.2 NM to the NE. Other aids include Nix's Mate Daybeacon (5 NM ENE), Gloucester Lighthouses (8.8 NM ENE), Notable faux lighthouses: (16 NM SW), Scituate Lighthouse (16.1 NM ESE). Mariners should consult the relevant chart and List of Lights for full approach details.
What sea or ocean is the Port of Dorchester on?+
The Port of Dorchester is situated on the North Atlantic Ocean in US. The area falls within the temperate maritime climate zone, which can influence port operations and seasonal shipping patterns.
How do I track vessels arriving at or departing from the Port of Dorchester?+
You can track vessels near Dorchester (USDZM) 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 USDZM on the live map.
What are the operating hours and time zone for the Port of Dorchester?+
The Port of Dorchester operates in the UTC-5 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.