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North Rock Lighthouse

Fl (4) W 20s🇧🇲Bermuda, BMOperational

Location & Light Range

About North Rock Lighthouse

North Rock exhibits a white tower structure. Its focal height reaches 21 meters above sea level. The light characteristic consists of four white flashes repeated every 20 seconds. This light is visible for a geographic range of 12 nautical miles.

Light & Optic

Characteristic Signature
Fl (4) W 20s
Flash Type
Flashing
Light Color
White
Flash Count
4 flashes
Interval
20s
Raw Code
Fl.(4)W. period 20s
Focal Height
21m
Geographic Range
12NM

Location

City
Bermuda
Country
🇧🇲BM
Latitude
32.4753°
Longitude
-64.7692°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Color
white

References & Identifiers

Admiralty No.
J4471
NGA No.
11684
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Frequently Asked Questions

How do mariners identify North Rock Lighthouse at night?+
North Rock displays the characteristic Fl (4) W 20s — 4 white flashes every 20 seconds. 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.
Which ports and harbors does North Rock Lighthouse guide vessels into?+
North Rock Lighthouse assists vessels approaching 5 nearby ports. The closest is Saint George at 7.6 NM to the SE. Other ports served include Kings Wharf (9.7 NM SSW), Freeport (10.1 NM SSW), Devonshire (10.6 NM S), Hamilton (11.2 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is North Rock Lighthouse still active and maintained?+
Yes, North Rock 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 North Rock Lighthouse?+
You can track vessels near North Rock 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.