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Portland Breakwater Lighthouse

Fl W 4s🇺🇸Southern Maine, USInactive

Location & Light Range

About Portland Breakwater Lighthouse

Constructed in 1855, the Portland Breakwater Lighthouse stands as a 7.5-meter tall structure. Its focal plane reaches 10 meters above the water. The light emitted is white. This aid to navigation is no longer in service. The lighthouse is part of the Southern Maine coastline.

Why it matters: The lighthouse is listed on the National Register of Historic Places.

Light & Optic

Characteristic Signature
Fl W 4s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
4s
Focal Height
10m

Construction & History

Year Built
1855
Heritage Status
National Register of Historic Places listed place

References & Identifiers

Wikipedia
Read on Wikipedia →
Wikidata
Q7231886 →

Tower & Structure

Tower Height
7.5m

Location

City
Southern Maine
Country
🇺🇸US
Latitude
43.6555°
Longitude
-70.2349°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Portland Breakwater Lighthouse at night?+
Portland Breakwater displays the characteristic Fl W 4s — 1 white 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.
Which ports and harbors does Portland Breakwater Lighthouse guide vessels into?+
Portland Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Portland at 0.9 NM to the WSW. Other ports served include Portland (0.9 NM NW), SCARBOROUGH (7.9 NM SSW), YARMOUTH (8.8 NM NNE), COOKS LOBSTER HOUSE (12.1 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Portland Breakwater Lighthouse still active and maintained?+
Portland Breakwater Lighthouse is currently listed as inactive. It may have been decommissioned, replaced by a different navigation aid, or temporarily taken out of service. Mariners should check the latest Notices to Mariners for current status.
How can I track vessels near Portland Breakwater Lighthouse?+
You can track vessels near Portland 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.