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Rio São Miguel (Praia do Gunga) Lighthouse

Fl White 3s🇧🇷Roteiro, BROperational

Location & Light Range

About Rio São Miguel (Praia do Gunga) Lighthouse

This square skeletal steel tower, built in 1936 atop a pyramidal concrete base, stands 13 meters tall and emits a white flash every 3 seconds. Its focal plane reaches 15 meters above sea level. Located off Praia do Gunga, south of the Rio São Miguel's mouth and approximately 8 kilometers from Barra da São Miguel, the lighthouse has been operational since its construction. The structure is made of concrete and steel and has a geographic range of 11.9 nautical miles. It is situated in Roteiro, Alagoas, Brazil, with the nearest port being Maceio.

Why it matters: The Rio São Miguel lighthouse is essential for coastal navigation in Alagoas, marking the approach to the Rio São Miguel and Praia do Gunga. Its distinct design, featuring a steel skeletal tower over a concrete pyramidal base, makes it a recognizable landmark.

Light & Optic

Characteristic Signature
Fl White 3s
Flash Type
Flashing
Light Color
White
Interval
3s
Raw Code
Fl W 3s
Focal Height
15m
Geographic Range
11.9NM

Construction & History

Year Built
1936

References & Identifiers

Nearest Port
Maceio(15.1 km)
ARLHS No.
BRA-193

Tower & Structure

Tower Height
13m
Tower Shape
square
Tower Color
white
Material
concrete, steel

Structure: tower: square steel skeletal tower atop a square pyramidal concrete tower with gallery, mounted on a square concrete base

Location

City
Roteiro
Country
🇧🇷Brazil
Region
Alagoas
Sea Region
Located off the Praia do Gunga, a beach south of the mouth of the Rio São Miguel about 8 km (5 mi) south of Barra da São Miguel.
Latitude
-9.8668°
Longitude
-35.9064°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Rio São Miguel (Praia do Gunga) Lighthouse at night?+
Rio São Miguel (Praia do Gunga) displays the characteristic Fl White 3s. 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Rio São Miguel (Praia do Gunga) Lighthouse guide vessels into?+
Rio São Miguel (Praia do Gunga) Lighthouse assists vessels approaching 1 nearby port. The closest is Maceió at 14.6 NM to the NE. Mariners should consult the relevant chart for full approach and pilotage information.
Is Rio São Miguel (Praia do Gunga) Lighthouse still active and maintained?+
Yes, Rio São Miguel (Praia do Gunga) 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 Rio São Miguel (Praia do Gunga) Lighthouse?+
You can track vessels near Rio São Miguel (Praia do Gunga) 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.