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Greymouth Range Rear Lighthouse

Fl White 12s🇳🇿NZOperational

Location & Light Range

About Greymouth Range Rear Lighthouse

A steel, triangular skeletal tower stands 19 meters tall on the south quay of the Grey River. This white structure carries a large, slatted daymark and emits a white flash every 12 seconds. Its focal height is also 19 meters, providing a geographic range of 12.9 nautical miles. The light operates in conjunction with a front light to establish a navigational range. The site is open to the public, but the tower itself is closed.

Why it matters: This range light provides precise guidance for vessels entering and exiting the Port of Greymouth, assisting in maintaining the correct course within the river channel.

Light & Optic

Characteristic Signature
Fl White 12s
Flash Type
Flashing
Light Color
White
Interval
12s
Raw Code
Fl W 12s
Focal Height
19m
Geographic Range
12.9NM

Location

Country
🇳🇿New Zealand
Region
West Coast
Sea Region
Grey River, New Zealand, on the quay on the south side
Latitude
-41.7299°
Longitude
171.5873°

References & Identifiers

Nearest Port
Westport(1.0 km)
Admiralty No.
K4475.1
NGA No.
5592
ARLHS No.
NZL-008

Tower & Structure

Tower Height
19m
Tower Shape
skeletal
Tower Color
white
Material
steel

Structure: triangular skeletal tower carrying a large slatted daymark painted white

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Greymouth Range Rear Lighthouse at night?+
Greymouth Range Rear displays the characteristic Fl White 12s. 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 Greymouth Range Rear Lighthouse guide vessels into?+
Greymouth Range Rear Lighthouse assists vessels approaching 2 nearby ports. The closest is Westport at 1 NM to the SSE. Other ports served include Greymouth (46.1 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Greymouth Range Rear Lighthouse still active and maintained?+
Yes, Greymouth 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 Greymouth Range Rear Lighthouse?+
You can track vessels near Greymouth 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.