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Diamond Head Lighthouse

Occ W 9.5s🇺🇸Hawaii, USOperational

Location & Light Range

About Diamond Head Lighthouse

Constructed in 1898, Diamond Head Lighthouse stands as a historical navigational aid. The tower itself reaches a height of 17 meters, with the light positioned at a focal height of 45 meters above sea level. It emits a singular white light designed to assist mariners. The structure has been operational since its completion in the late 19th century.

Why it matters: This lighthouse is listed on the National Register of Historic Places.

Light & Optic

Characteristic Signature
Occ W 9.5s
Flash Type
Occ
Light Color
White
Flash Count
1 flash
Interval
9.5s
Focal Height
45m

Construction & History

Year Built
1898
Heritage Status
National Register of Historic Places listed place

References & Identifiers

Wikipedia
Read on Wikipedia →
Wikidata
Q5270818 →
OpenStreetMap
View on OSM →

Tower & Structure

Tower Height
17m

Location

City
Hawaii
Country
🇺🇸US
Latitude
21.2558°
Longitude
-157.8096°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Diamond Head Lighthouse at night?+
Diamond Head displays the characteristic Occ W 9.5s — 1 white flash every 9.5 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 Diamond Head Lighthouse guide vessels into?+
Diamond Head Lighthouse assists vessels approaching 5 nearby ports. The closest is Honolulu at 4.7 NM to the WNW. Other ports served include KANEOHE (10 NM NNE), Pearl Harbor (10.7 NM WNW), BARBERS POINT (16.3 NM WNW), Waianae (23.5 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Diamond Head Lighthouse still active and maintained?+
Yes, Diamond Head 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 Diamond Head Lighthouse?+
You can track vessels near Diamond Head 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.