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Portsmouth Harbor Lighthouse

F G🇺🇸New Hampshire, USOperational

Location & Light Range

About Portsmouth Harbor Lighthouse

Portsmouth Harbor Lighthouse is a maritime navigation aid located in New Hampshire, US. It is currently operational and active, providing guidance to vessels navigating the surrounding waters. The light sits at a focal height of 16 meters above mean sea level.

Light characteristic: The identifying signal of this lighthouse is F G. The light emits 1 flash per cycle. Each lighthouse has a unique flash pattern listed in nautical publications, allowing mariners to confirm their position. The light color is green, which may indicate a specific sector or warning zone.

Position: Portsmouth Harbor Lighthouse is positioned at 43.0710°N, 70.7086°W, near New Hampshire in US.

Geographic context: Portsmouth Harbor Lighthouse is situated on the North Atlantic Ocean. The location falls within the temperate maritime climate zone.

Nearby lighthouses in US: Other lighthouses in the region include Abagadasset Point Range, Absecon, Admiralty Head Light, Ahukini Breakwater, Alameda County (Oakland Area) Lighthouses. View all on the Lighthouses Directory.

Nearby Ports

Portsmouth

USPTM

0.4 NMWNW

NEW CASTLE

USNCP

1.1 NMW

Kittery

USKXK

1.5 NMWNW

Portsmouth

USPSM

2.3 NMWNW

PATTEN'S YARD

USET5

4.3 NMWNW

Flash Characteristics

Characteristic Signature
F G
Flash Type
Fixed
Light Color
Green
Flash Count
1 flash

Physical Specifications

Focal Height
16m
Light Range
Not available
Status
ACTIVE
City
New Hampshire
Country
🇺🇸US
Latitude
43.0710°
Longitude
-70.7086°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Portsmouth Harbor Lighthouse at night?+
Portsmouth Harbor displays the characteristic F G. 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Portsmouth Harbor Lighthouse guide vessels into?+
Portsmouth Harbor Lighthouse assists vessels approaching 5 nearby ports. The closest is Portsmouth at 0.4 NM to the WNW. Other ports served include NEW CASTLE (1.1 NM W), Kittery (1.5 NM WNW), Portsmouth (2.3 NM WNW), PATTEN'S YARD (4.3 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Portsmouth Harbor Lighthouse still active and maintained?+
Yes, Portsmouth Harbor 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 Portsmouth Harbor Lighthouse?+
You can track vessels near Portsmouth Harbor 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.