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

Stonington Outer Breakwater Lighthouse

Fl R 4s🇺🇸Connecticut, USOperational

Location & Light Range

About Stonington Outer Breakwater Lighthouse

This red, square skeletal tower stands 13 meters tall. Its focal plane is 14 meters above the water. The lighthouse emits a red flash every 4 seconds. A small enclosed section is visible near the base of the structure, also painted red. Additionally, a triangular daymark is present and painted red.

Light & Optic

Characteristic Signature
Fl R 4s
Flash Type
Flashing
Light Color
Red
Flash Count
1 flash
Interval
4s
Focal Height
14m

Location

City
Connecticut
Country
🇺🇸US
Latitude
41.3164°
Longitude
-71.9080°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
13m
Tower Shape
square
Tower Color
red

References & Identifiers

Admiralty No.
J0664
USCG No.
1-20170
Live tracking · 50,000+ mariners

Find Stonington Outer Breakwater Lighthouse on the live nautical map

Plan voyages near US, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App

Frequently Asked Questions

How do mariners identify Stonington Outer Breakwater Lighthouse at night?+
Stonington Outer Breakwater displays the characteristic Fl R 4s — 1 red flash every 4 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. The red color may indicate a specific sector or warning zone.
Which ports and harbors does Stonington Outer Breakwater Lighthouse guide vessels into?+
Stonington Outer Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Stonington at 0.9 NM to the N. Other ports served include Noank (3.5 NM W), Mystic (3.6 NM NW), NOANK SHIPYARD (3.6 NM W), STONINGTON ON RIVER (3.9 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Stonington Outer Breakwater Lighthouse still active and maintained?+
Yes, Stonington Outer Breakwater 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.
What shipping routes pass near Stonington Outer Breakwater Lighthouse?+
Stonington Outer Breakwater Lighthouse is located within the US East Coast shipping lane — a major shipping corridor serving ports along the Atlantic seaboard of the United States. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Stonington Outer Breakwater Lighthouse?+
You can track vessels near Stonington Outer Breakwater 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.