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Boston Lighthouse

Fl W 10s🇺🇸Boston Outer Harbor, Brewster Island, Massachusetts, USOperational

Location & Light Range

About Boston Lighthouse

Boston Lighthouse is a maritime navigation aid located in Boston Outer Harbor, Brewster Island, Massachusetts, US. It is currently operational and active, providing guidance to vessels navigating the surrounding waters. The light sits at a focal height of 31 meters above mean sea level.

Light characteristic: The identifying signal of this lighthouse is Fl W 10s. This means the light produces 1 flash every 10 seconds. Mariners use this distinctive pattern to positively identify the light and distinguish it from other aids to navigation in the area. The light displays a white signal, the most common color for major coastal lights.

Position: Boston Lighthouse is positioned at 42.3279°N, 70.8901°W, near Boston Outer Harbor, Brewster Island, Massachusetts in US.

Geographic context: Boston Lighthouse is situated on the North Atlantic Ocean. The location falls within the temperate maritime climate zone.

Nearby lighthouses in US: Other lighthouses in the region include Abagadasset Point Range, Absecon, Admiralty Head Light, Ahukini Breakwater, Alameda County (Oakland Area) Lighthouses. View all on the Lighthouses Directory.

Nearby Ports

WINTHROP

USIHP

4.4 NMWNW

NORTH WEYMOUTH

USNWY

5.2 NMSSW

SOUTH BOSTON

USSBC

6.1 NMW

QUINCY

USMQI

6.3 NMSW

COHASSET

USXEF

6.9 NMSE

Flash Characteristics

Characteristic Signature
Fl W 10s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
10s

Physical Specifications

Focal Height
31m
Light Range
Not available
Status
ACTIVE
City
Boston Outer Harbor, Brewster Island, Massachusetts
Country
🇺🇸US
Latitude
42.3279°
Longitude
-70.8901°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Boston Lighthouse at night?+
Boston displays the characteristic Fl W 10s — 1 white flash every 10 seconds. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area.
Which ports and harbors does Boston Lighthouse guide vessels into?+
Boston Lighthouse assists vessels approaching 5 nearby ports. The closest is WINTHROP at 4.4 NM to the WNW. Other ports served include NORTH WEYMOUTH (5.2 NM SSW), SOUTH BOSTON (6.1 NM W), QUINCY (6.3 NM SW), COHASSET (6.9 NM SE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Boston Lighthouse still active and maintained?+
Yes, Boston Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
How can I track vessels near Boston Lighthouse?+
You can track vessels near Boston Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.