Tosa-okinoshima Lighthouse
Fl (2) W 20s🇯🇵Shikoku-South coast, JPOperational
Location & Light Range
About Tosa-okinoshima Lighthouse
This lighthouse stands 174 meters above sea level on the Shikoku-South coast. Its square tower is constructed of concrete and painted white with black accents. The structure includes a white tower with a black stripe and a white downward-pointing triangle as its daymark. The light emits two white flashes every 20 seconds.
Why it matters: The lighthouse provides a geographic range of 21 nautical miles.
Light & Optic
Characteristic Signature
Fl (2) W 20s
- Flash Type
- Flashing
- Light Color
- White
- Flash Count
- 2 flashes
- Interval
- 20s
- Raw Code
- Fl.(2)W. period 20s
- Focal Height
- 174m
- Light Range
- 21NM (38.9 km)
- Geographic Range
- 21NM
Location
- City
- Shikoku-South coast
- Country
- 🇯🇵JP
- Latitude
- 32.7043°
- Longitude
- 132.5432°
Nearby Vessels
Tower & Structure
- Tower Shape
- square
- Tower Color
- white and black
- Material
- concrete
Structure: White tower, white triangle, point down daymark black stripe
References & Identifiers
- Admiralty No.
- M5610
- NGA No.
- 10332
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