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Isles Of Shoals Lighthouse

Fl W 15s🇺🇸New Hampshire, USOperational

Location & Light Range

About Isles Of Shoals Lighthouse

The lighthouse on White Island in the Isles of Shoals was first constructed in 1821, with the current structure dating to 1865. This tower stands 18 meters tall, with its light positioned 25 meters above sea level. The light emits a white flash. The station is operational.

Why it matters: The lighthouse and its island are preserved by the state as the White Island State Historic Site.

Background
The Isles of Shoals Light, also known as "White Island Light", on White Island, in the Isles of Shoals, New Hampshire, was first built in 1821. The present structure was built in 1865. The lighthouse and the island are protected by the state as White Island State Historic Site.

Light & Optic

Characteristic Signature
Fl W 15s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
15s
Focal Height
25m

Construction & History

Year Built
1790

References & Identifiers

Wikipedia
Read on Wikipedia →
Wikidata
Q6084239 →

Tower & Structure

Tower Height
18m

Location

City
New Hampshire
Country
🇺🇸US
Latitude
42.9672°
Longitude
-70.6233°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Isles Of Shoals Lighthouse at night?+
Isles Of Shoals displays the characteristic Fl W 15s — 1 white flash every 15 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 Isles Of Shoals Lighthouse guide vessels into?+
Isles Of Shoals Lighthouse assists vessels approaching 5 nearby ports. The closest is Portsmouth at 7.6 NM to the NNW. Other ports served include NEW CASTLE (7.9 NM NW), Kittery (8.6 NM NW), Portsmouth (9 NM NW), YORK MARINE SERVICE (9.7 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Isles Of Shoals Lighthouse still active and maintained?+
Yes, Isles Of Shoals 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 Isles Of Shoals Lighthouse?+
You can track vessels near Isles Of Shoals 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.