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White Bay Range Rear Lighthouse

Oc Red 5s🇮🇪IEOperational

Location & Light Range

About White Bay Range Rear Lighthouse

The White Bay Range Rear light is a square concrete structure, 2.5 meters tall, with its lamp at a focal height of 21 meters. This white-painted, square metal building shows its light through a window. Situated 113 meters northeast of the front marker, this rear range light has a geographic range of 13.4 nautical miles. The light displays an occulting red characteristic, flashing once every 5 seconds. It is currently operational. Its NGA list number is 6364 and Admiralty number is A5722.1.

Why it matters: This rear range light, along with its front counterpart, provides a primary reference for ships navigating into the Port of Cork, marking the harbour entrance.

Light & Optic

Characteristic Signature
Oc Red 5s
Flash Type
Occulting
Light Color
Red
Interval
5s
Raw Code
Oc R 5s
Focal Height
21m
Geographic Range
13.4NM

Location

Country
🇮🇪Ireland
Sea Region
White Bay, guiding vessels into the Port of Cork, Ireland
Latitude
51.8453°
Longitude
-8.2742°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
2.5m
Tower Shape
square
Tower Color
white
Material
concrete

Structure: square metal building, painted white; the light is shown through a window

References & Identifiers

Nearest Port
Cobh(0.8 km)
Admiralty No.
A5722.1
NGA No.
6364
ARLHS No.
IRE-078
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Frequently Asked Questions

How do mariners identify White Bay Range Rear Lighthouse at night?+
White Bay Range Rear displays the characteristic Oc Red 5s. 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does White Bay Range Rear Lighthouse guide vessels into?+
White Bay Range Rear Lighthouse assists vessels approaching 5 nearby ports. The closest is Cobh at 0.9 NM to the WNW. Other ports served include Haulbowline (1 NM WNW), Whitegate (1 NM SE), Ringaskiddy Deepwater Terminal (1.7 NM WSW), Ringaskiddy Passenger Terminal (1.7 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is White Bay Range Rear Lighthouse still active and maintained?+
Yes, White Bay 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.
How can I track vessels near White Bay Range Rear Lighthouse?+
You can track vessels near White Bay 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.