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

St. Mary Parish Lighthouses Lighthouse

Fl Green 4s🇺🇸Berwick, USOperational

This skeletal steel tower, painted green, stands 13 meters tall and was built in 1975. It replaced an earlier structure established in 1916. The light emits a single green flash every 4 seconds and has a geographic range of 8.4 nautical miles from a focal height of 5 meters. The station experienced a fire in September 1976 and has been inactive since 2011. The site is accessible by water, but the tower itself is closed to the public.

Characteristic Signature
Fl Green 4s
Flash Type
Flashing
Light Color
Green
Interval
4s
Raw Code
Fl G 4s
Focal Height
5m
Geographic Range
8.4NM
Year Built
1975
First Lit
1916

Significant events: Inactive since 2011, Station burned in September 1976

Open to public
Site open, tower closed
Flag
Type
Name
Dist.
Tower Height
13m
Tower Shape
skeletal
Tower Color
green
Material
steel

Structure: A 13m skeletal tower with a square green daymark.

City
Berwick
Country
🇺🇸United States
Region
Louisiana
Sea Region
Entrance to Atchafalaya Bay about 3 miles (5 km) northwest of Point Au Fer Island
Latitude
29.6943°
Longitude
-91.2162°
Nearest Port
Morgan City(0.4 km)
Live tracking · 50,000+ mariners

Find St. Mary Parish Lighthouses 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 St. Mary Parish Lighthouses Lighthouse at night?+
St. Mary Parish Lighthouses displays the characteristic Fl 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 St. Mary Parish Lighthouses Lighthouse guide vessels into?+
St. Mary Parish Lighthouses Lighthouse assists vessels approaching 5 nearby ports. The closest is Berwick at 0.2 NM to the W. Other ports served include MORGAN CITY (0.3 NM ENE), Patterson (4.3 NM W), PATTERSON (4.4 NM W), AMELIA (5.7 NM ESE). Mariners should consult the relevant chart for full approach and pilotage information.
Is St. Mary Parish Lighthouses Lighthouse still active and maintained?+
Yes, St. Mary Parish Lighthouses 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 St. Mary Parish Lighthouses Lighthouse?+
You can track vessels near St. Mary Parish Lighthouses 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.