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Kalihi Channel Range Rear Lighthouse

Fl White 7.5s🇺🇸Waipahu, USOperational

Location & Light Range

About Kalihi Channel Range Rear Lighthouse

This 20-meter skeletal steel tower in Waipahu supports a rectangular daymark featuring a red exterior with a white vertical stripe. Its focal height matches the tower's height. The light emits a white flash every 7.5 seconds, visible for up to 13.2 nautical miles. This structure is part of a range system guiding vessels through Kalihi Channel, west of Sand Island, which serves as a common entrance to Honolulu Harbor for cargo ships. The site is open to the public, but the tower itself remains closed. The nearest port is Honolulu, located 1.5 km away.

Why it matters: This rear range light is indispensable for the safe passage of cargo ships navigating the Kalihi Channel, a primary shipping lane into Honolulu Harbor. Its continuous operation directly supports the economic lifeline of Honolulu by ensuring the smooth flow of maritime trade.

Light & Optic

Characteristic Signature
Fl White 7.5s
Flash Type
Flashing
Light Color
White
Interval
7.5s
Raw Code
Fl W 7.5s
Focal Height
20m
Geographic Range
13.2NM

Location

City
Waipahu
Country
🇺🇸United States
Region
Hawaii
Sea Region
Kalihi Channel, west of Sand Island, serving as a common entrance to Honolulu for cargo ships.
Latitude
21.3146°
Longitude
-157.8946°

References & Identifiers

Nearest Port
Honolulu(1.5 km)
Admiralty No.
G7363.1
USCG No.
6-29250
ARLHS No.
HAW-001

Tower & Structure

Tower Height
20m
Tower Shape
skeletal
Tower Color
white
Material
steel

Structure: A 20m triangular cylindrical skeletal tower supports a rectangular daymark colored red with a white vertical stripe.

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 Kalihi Channel Range Rear Lighthouse at night?+
Kalihi Channel Range Rear displays the characteristic Fl White 7.5s. 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 Kalihi Channel Range Rear Lighthouse guide vessels into?+
Kalihi Channel Range Rear Lighthouse assists vessels approaching 5 nearby ports. The closest is Honolulu at 1.4 NM to the SSE. Other ports served include Pearl Harbor (4.9 NM WNW), KANEOHE (9.4 NM NE), BARBERS POINT (11.2 NM W), Waianae (17.6 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kalihi Channel Range Rear Lighthouse still active and maintained?+
Yes, Kalihi Channel 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 Kalihi Channel Range Rear Lighthouse?+
You can track vessels near Kalihi Channel 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.