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Sakaide Kō Lighthouse

Fl (2) Red 6s🇯🇵Sakaide, JPOperational

Location & Light Range

About Sakaide Kō Lighthouse

This red, cylindrical concrete tower stands 8.5 meters tall and emits a single red flash every 6 seconds. Its focal height reaches 11 meters, providing a geographic range of 10.7 nautical miles. The structure is a strongly conical concrete tower attached to a one-story equipment shelter. Located on the northeast corner of a quay within Sakaide harbor, it is situated 1.6 kilometers from the nearest port facilities in Sakaide. The lighthouse remains operational and is marked with the ARLHS number JPN-528.

Why it matters: The lighthouse is essential for the safe passage of commercial vessels utilizing Sakaide harbor, specifically marking the northeast corner of a quay.

Light & Optic

Characteristic Signature
Fl (2) Red 6s
Flash Type
Flashing
Light Color
Red
Flash Count
2 flashes
Interval
6s
Raw Code
Fl R 6s
Focal Height
11m
Geographic Range
10.7NM

Location

City
Sakaide
Country
🇯🇵Japan
Region
Kagawa Prefecture
Sea Region
Sakaide harbor, on the northeast corner of one of its quays.
Latitude
34.3302°
Longitude
133.8504°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
8.5m
Tower Shape
cylindrical
Tower Color
red
Material
concrete

Structure: round strongly conical concrete tower attached to a 1-story equipment shelter

References & Identifiers

Nearest Port
Sakaide(1.6 km)
ARLHS No.
JPN-528
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Frequently Asked Questions

How do mariners identify Sakaide Kō Lighthouse at night?+
Sakaide Kō displays the characteristic Fl (2) Red 6s — 2 red flashes every 6 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Sakaide Kō Lighthouse guide vessels into?+
Sakaide Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Utazu at 0.2 NM to the N. Other ports served include Sakaide (0.6 NM NE), Aoki (3.8 NM WSW), Ikunohama (3.8 NM WSW), Marugame (3.8 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sakaide Kō Lighthouse still active and maintained?+
Yes, Sakaide Kō 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.
What shipping routes pass near Sakaide Kō Lighthouse?+
Sakaide Kō Lighthouse is located within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Sakaide Kō Lighthouse?+
You can track vessels near Sakaide Kō 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.