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Rt Oštro {Porto Re} Lighthouse

Iso white 4s🇭🇷Kraljevica, HROperational

Also known as: Kraljevica

The Rt Oštro Lighthouse, located near Kraljevica, Croatia, also historically known as Porto Re, was built in 1872. This cylindrical masonry tower stands 15 meters tall and is painted with red and white horizontal bands. Its light characteristic was an isophase white light on a 6-second cycle, visible for 11.9 nautical miles. The lighthouse structure features a round cylindrical masonry tower with a lantern and gallery that rises through the center of a one-story keeper's house. The tower itself is 15 meters high.

Why it matters: The lighthouse is notable for its integrated architectural design where the tower rises from the keeper's house. Its presence near Kraljevica highlights the maritime significance of the Kvarner Gulf for Adriatic shipping.

Characteristic Signature
Iso white 4s
Flash Type
Isophase
Light Color
white
Interval
4s
Raw Code
Iso.W
Focal Height
15m
Geographic Range
11.9NM
Year Built
1872
Nearest Port
Kraljevica(0.2 km)
Admiralty No.
E2854.1
NGA No.
12342
Tower Height
15m
Tower Shape
cylindrical
Tower Color
with red and white horizontal bands
Material
masonry

Structure: round cylindrical masonry tower with lantern and gallery, rising through the center of a 1-story keeper's house

City
Kraljevica
Country
🇭🇷Croatia
Region
Primorje-Gorski Kotar County
Sea Region
Located at Rt Oštro near Kraljevica, Croatia, also known historically as Porto Re.
Latitude
45.2731°
Longitude
14.5605°
Flag
Type
Name
Dist.
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How do mariners identify Rt Oštro {Porto Re} Lighthouse at night?+
Rt Oštro {Porto Re} displays the characteristic Iso white 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Rt Oštro {Porto Re} Lighthouse guide vessels into?+
Rt Oštro {Porto Re} Lighthouse assists vessels approaching 5 nearby ports. The closest is Kraljevica at 0.2 NM to the E. Other ports served include Bakar (1.7 NM NNW), Kostrena (2.7 NM WNW), Omisalj (3.5 NM SSW), Rijeka (5.6 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Rt Oštro {Porto Re} Lighthouse still active and maintained?+
Yes, Rt Oštro {Porto Re} 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 Rt Oštro {Porto Re} Lighthouse?+
You can track vessels near Rt Oštro {Porto Re} 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.