Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Four Hummocks Lighthouse

Fl W 5s🇦🇺South Australia, AUOperational

Location & Light Range

About Four Hummocks Lighthouse

This lighthouse features a white, 5-meter fiberglass tower topped with a lantern. Its light emits two white, red, and green flashes in a 6-second cycle. The focal height is 120 meters. It is situated on a rocky island located approximately 25 kilometers east of West Point in South Australia. Access to the site is exclusively by boat.

Why it matters: This light aids navigation on the coast of South Australia.

Light & Optic

Characteristic Signature
Fl W 5s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
5s
Raw Code
Fl.(2)W.R.G. period 6s
Focal Height
120m

Location

City
South Australia
Country
🇦🇺AU
Latitude
-34.7843°
Longitude
135.0315°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Color
white
Material
fiberglass

References & Identifiers

Admiralty No.
Q1866
NGA No.
8696
ARLHS No.
AUS-076
Live tracking · 50,000+ mariners

Find Four Hummocks Lighthouse on the live nautical map

Plan voyages near AU, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App

Frequently Asked Questions

How do mariners identify Four Hummocks Lighthouse at night?+
Four Hummocks displays the characteristic Fl W 5s — 1 white flash every 5 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 Four Hummocks Lighthouse guide vessels into?+
Four Hummocks Lighthouse assists vessels approaching 1 nearby port. The closest is Port Lincoln at 41.5 NM to the E. Mariners should consult the relevant chart for full approach and pilotage information.
Is Four Hummocks Lighthouse still active and maintained?+
Yes, Four Hummocks 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 Four Hummocks Lighthouse?+
You can track vessels near Four Hummocks 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.