Tomakomai Kō East Breakwater Lighthouse
Iso R 4s🇯🇵Southern Hokkaidō, JPOperational
Location & Light Range
About Tomakomai Kō East Breakwater Lighthouse
This red, cylindrical concrete tower stands 52 meters tall. Its focal plane is 17 meters above sea level, and it emits a red light. The light flashes once every 4 seconds, with 2 seconds of light followed by 2 seconds of darkness. This structure serves as the eastern breakwater light for the entrance to Tomakomai harbor in Southern Hokkaido. It was built and first lit in 2025.
Light & Optic
Characteristic Signature
Iso R 4s
- Flash Type
- Isophase
- Light Color
- Red
- Flash Count
- 1 flash
- Interval
- 4s
- Raw Code
- Fl.R
- Focal Height
- 17m
- Geographic Range
- 7NM
Construction & History
- Year Built
- 2025
References & Identifiers
- Admiralty No.
- M6773.7
- NGA No.
- 0672
- ARLHS No.
- JPN-666
Tower & Structure
- Tower Height
- 52m
- Tower Shape
- cylindrical
- Tower Color
- red
- Material
- concrete
Structure: Red round concrete structure; 52
Location
- City
- Southern Hokkaidō
- Country
- 🇯🇵JP
- Latitude
- 42.6148°
- Longitude
- 141.6206°
Nearby Vessels
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