Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Freeport Jetty Inbound Range Rear Lighthouse

Oc Green 4s🇺🇸USOperational

This steel skeletal tower stands 43 meters tall on a concrete base. It is painted red with a white vertical stripe and is located on the north side of the Dow Barge Canal within the Dow Chemical plant in Freeport, Texas. The structure supports a light with a focal height of 44.5 meters. When operational, it emits an occulting green light that is visible for nearly 18 nautical miles. During daylight, a distinctive rectangular daymark is present. The tower is part of a range system used for navigation.

Why it matters: This rear range light is essential for guiding inbound commercial vessels into the Dow Barge Canal, a key shipping route for the Freeport industrial area.

Characteristic Signature
Oc Green 4s
Flash Type
Occulting
Light Color
Green
Interval
4s
Raw Code
Oc G 4s
Focal Height
44.5m
Geographic Range
17.8NM
Country
🇺🇸United States
Region
Texas
Sea Region
North side of the Dow Barge Canal in Dow Chemical's huge plant at Freeport.
Latitude
30.4065°
Longitude
-95.5788°
Flag
Type
Name
Dist.
Tower Height
43m
Tower Shape
skeletal
Material
steel

Structure: A 43m square skeletal tower mounted on a concrete base, carrying a rectangular daymark colored red with a white vertical stripe.

Nearest Port
Bayport(41.4 km)
Admiralty No.
J4180.1
USCG No.
4-26975
ARLHS No.
USA-1400
Live tracking · 50,000+ mariners

Find Freeport Jetty Inbound Range Rear Lighthouse on the live nautical map

Plan voyages near United States, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App
How do mariners identify Freeport Jetty Inbound Range Rear Lighthouse at night?+
Freeport Jetty Inbound Range Rear displays the characteristic Oc Green 4s. 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Freeport Jetty Inbound Range Rear Lighthouse guide vessels into?+
Freeport Jetty Inbound Range Rear Lighthouse assists vessels approaching 5 nearby ports. The closest is New Caney at 25 NM to the SE. Other ports served include North Houston (29.7 NM S), Millican (32.4 NM W), Bayport (41.4 NM SSE), Jacinto City (42.4 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Freeport Jetty Inbound Range Rear Lighthouse still active and maintained?+
Yes, Freeport Jetty Inbound 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 Freeport Jetty Inbound Range Rear Lighthouse?+
You can track vessels near Freeport Jetty Inbound 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.