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Los Angeles Main Channel Range Rear Lighthouse

Fl White 10s🇺🇸Los Angeles, USOperational

Location & Light Range

About Los Angeles Main Channel Range Rear Lighthouse

This 17.5-meter steel skeletal tower guides mariners entering Los Angeles Main Channel. It has a square cylindrical shape and is painted white with gray trim. The structure stands on a square platform, which is supported by piles driven into the seabed. The light emits a white flash every 10 seconds. The tower is located northwest of the associated front light and offers a geographic range of 12.5 nautical miles. It is accessible to the public.

Why it matters: This range rear light provides essential alignment for vessels navigating the Los Angeles Main Channel, a critical gateway for international trade.

Light & Optic

Characteristic Signature
Fl White 10s
Flash Type
Flashing
Light Color
White
Interval
10s
Raw Code
Fl W 10s
Focal Height
17.5m
Geographic Range
12.5NM

Location

City
Los Angeles
Country
🇺🇸United States
Region
California
Sea Region
Los Angeles Main Channel, located northwest of the front light
Latitude
33.7055°
Longitude
-118.2937°

References & Identifiers

Nearest Port
San Pedro Harbor(1.5 km)
Admiralty No.
G3800.1
USCG No.
6-3123
ARLHS No.
USA-621

Tower & Structure

Tower Height
17.5m
Tower Shape
square cylindrical skeletal
Tower Color
white with gray trim
Material
steel

Structure: A 17.5m square cylindrical skeletal tower, painted white with gray trim, mounted on a square platform supported by piles.

Visiting

Open to public
Yes

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Los Angeles Main Channel Range Rear Lighthouse at night?+
Los Angeles Main Channel Range Rear displays the characteristic Fl White 10s. 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. The white color may indicate a specific sector or warning zone.
Which ports and harbors does Los Angeles Main Channel Range Rear Lighthouse guide vessels into?+
Los Angeles Main Channel Range Rear Lighthouse assists vessels approaching 5 nearby ports. The closest is Los Angeles at 2.5 NM to the NE. Other ports served include Wilmington (3.9 NM NNE), Long Beach (5 NM NE), Thenard (5.6 NM NNE), Redondo Beach (9.5 NM NNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Los Angeles Main Channel Range Rear Lighthouse still active and maintained?+
Yes, Los Angeles Main Channel Range Rear 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.
What shipping routes pass near Los Angeles Main Channel Range Rear Lighthouse?+
Los Angeles Main Channel Range Rear Lighthouse is located within the US West Coast shipping lane — a major trans-Pacific trade route serving West Coast ports of the United States. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Los Angeles Main Channel Range Rear Lighthouse?+
You can track vessels near Los Angeles Main Channel Range Rear 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.