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Four Hummocks Lighthouse

Fl W 5s🇦🇺South Australia, AUOperational

Location & Light Range

About Four Hummocks Lighthouse

Four Hummocks Lighthouse is a maritime navigation aid located in South Australia, AU. It is currently operational and active, providing guidance to vessels navigating the surrounding waters. The light sits at a focal height of 120 meters above mean sea level.

Light characteristic: The identifying signal of this lighthouse is Fl W 5s. This means the light produces 1 flash every 5 seconds. Mariners use this distinctive pattern to positively identify the light and distinguish it from other aids to navigation in the area. The light displays a white signal, the most common color for major coastal lights.

Position: Four Hummocks Lighthouse is positioned at -34.7843°S, 135.0315°E, near South Australia in AU.

Geographic context: Four Hummocks Lighthouse is situated on the Indian Ocean. The location falls within the subtropical climate zone with mild winters and warm summers.

Nearby lighthouses in AU: Other lighthouses in the region include Abbot Point East Approach Range Rear, Adelaide Semaphore Timeball, Adele Island, Airlie Island, Albany Rock. View all on the Lighthouses Directory.

Nearby Ports

Port Lincoln

AUPLO

41.5 NME

Flash Characteristics

Characteristic Signature
Fl W 5s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
5s

Physical Specifications

Focal Height
120m
Light Range
Not available
Status
ACTIVE
City
South Australia
Country
🇦🇺AU
Latitude
-34.7843°
Longitude
135.0315°

Nearby Vessels

Flag
Type
Name
Dist.
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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.