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Clew Bay Lighthouses Lighthouse

LFl White 10s🇮🇪IEOperational

Location & Light Range

About Clew Bay Lighthouses Lighthouse

Clew Bay Lighthouse is a white, cylindrical masonry tower constructed in 1827 on a small island in Clew Bay, County Mayo, Ireland. Standing 8 meters tall with a focal height of 11 meters, it emits a long white flash every 10 seconds and has a geographic range of 10.7 nautical miles. The structure features a lantern and gallery. While the site is open to visitors, the tower itself remains closed to the public. There is some historical confusion regarding its exact construction year, with alternative sources suggesting an earlier date.

Why it matters: The lighthouse is essential for guiding vessels into Westport harbor, marking the approach for ships navigating Clew Bay.

Light & Optic

Characteristic Signature
LFl White 10s
Flash Type
Long Flash
Light Color
White
Interval
10s
Raw Code
LFl W 10s
Focal Height
11m
Geographic Range
10.7NM

Construction & History

Year Built
1827

Significant events: confusion regarding build year (1827 vs 1806)

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
8m
Tower Shape
cylindrical
Tower Color
white
Material
masonry

Structure: round cylindrical masonry tower with lantern and gallery, painted white

Location

Country
🇮🇪Ireland
Region
County Mayo
Sea Region
Clew Bay, on a small island off the harbor of Westport
Latitude
53.8267°
Longitude
-9.6705°

References & Identifiers

Nearest Port
Killala(29.5 km)
Admiralty No.
A6278
NGA No.
7428
ARLHS No.
IRE-042
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Frequently Asked Questions

How do mariners identify Clew Bay Lighthouses Lighthouse at night?+
Clew Bay Lighthouses displays the characteristic LFl White 10s. 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 Clew Bay Lighthouses Lighthouse guide vessels into?+
Clew Bay Lighthouses Lighthouse assists vessels approaching 5 nearby ports. The closest is MURRISK PIER at 3 NM to the SSE. Other ports served include Westport (4.5 NM ESE), Newport (5.4 NM NE), Clare Island (10 NM W), Bangor (18.5 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Clew Bay Lighthouses Lighthouse still active and maintained?+
Yes, Clew Bay 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 Clew Bay Lighthouses Lighthouse?+
You can track vessels near Clew Bay 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.