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St. Francis Island Lighthouse

Fl (4) White 20s🇦🇺AUOperational

Location & Light Range

About St. Francis Island Lighthouse

The lighthouse on St. Francis Island was first lit in 1924. The original 13-meter skeletal tower, built of fiberglass, was later replaced. Its Fresnel lens was transferred to the Cape Banks lighthouse. The current structure is a white fiberglass cabinet, standing 4 meters tall. Its light is visible from a focal height of 86 meters, with a geographic range of 23.3 nautical miles. The light emits one white flash every 20 seconds.

Why it matters: The lighthouse aids navigation in the Nuyts Archipelago, guiding vessels around St. Francis Island.

Light & Optic

Characteristic Signature
Fl (4) White 20s
Flash Type
Flashing
Light Color
White
Flash Count
4 flashes
Interval
20s
Raw Code
Fl W 20s
Focal Height
86m
Geographic Range
23.3NM

Construction & History

First Lit
1924

Significant events: original skeletal tower replaced, Fresnel lens transferred to Cape Banks lighthouse

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
13m
Tower Shape
skeletal
Tower Color
white
Material
fiberglass

Structure: skeletal tower in 1942

Location

Country
🇦🇺Australia
Region
South Australia
Sea Region
east end of St. Francis Island, about 50 km southwest of Ceduna, part of the Nuyts Archipelago Wilderness Protection Area
Latitude
-32.5180°
Longitude
133.2957°

References & Identifiers

Nearest Port
Thevenard(27.9 km)
Admiralty No.
Q1818
NGA No.
8772
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Frequently Asked Questions

How do mariners identify St. Francis Island Lighthouse at night?+
St. Francis Island displays the characteristic Fl (4) White 20s — 4 white flashes every 20 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. The white color may indicate a specific sector or warning zone.
Which ports and harbors does St. Francis Island Lighthouse guide vessels into?+
St. Francis Island Lighthouse assists vessels approaching 1 nearby port. The closest is Thevenard at 29.1 NM to the NE. Mariners should consult the relevant chart for full approach and pilotage information.
Is St. Francis Island Lighthouse still active and maintained?+
Yes, St. Francis Island 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 St. Francis Island Lighthouse?+
You can track vessels near St. Francis Island 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.