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

Tybee Knoll Cut Range Rear Lighthouse

Fl White 4s🇺🇸USOperational

Location & Light Range

About Tybee Knoll Cut Range Rear Lighthouse

Established in 1878, this skeletal square pyramidal tower stands 24 meters tall on the south side of Daymark Island. It emits a white light, with a single flash every 4 seconds, from a focal height of 23 meters. The structure features a gallery and is part of the range guidance for the Savannah River estuary. The lighthouse is located 10.1 kilometers from the nearest port, Savannah. Its operational status is active.

Why it matters: This range rear light is indispensable for safe passage through the Savannah River estuary, particularly for large commercial vessels navigating the Tybee Knoll Cut. It works in conjunction with its front range light to provide precise alignment, preventing groundings and collisions in a complex and heavily trafficked waterway.

Light & Optic

Characteristic Signature
Fl White 4s
Flash Type
Flashing
Light Color
White
Interval
4s
Raw Code
Fl W 4s
Focal Height
23m
Geographic Range
13.8NM

Construction & History

First Lit
1878

References & Identifiers

Nearest Port
Savannah(10.1 km)
Admiralty No.
J2792.1
USCG No.
3-4715
ARLHS No.
USA-181

Tower & Structure

Tower Height
24m
Tower Shape
square
Tower Color
white

Structure: square pyramidal skeletal tower with gallery

Location

Country
🇺🇸United States
Region
Georgia
Sea Region
Savannah River estuary, on the south side of Daymark Island
Latitude
32.0325°
Longitude
-80.9072°

Nearby Vessels

Flag
Type
Name
Dist.
Live tracking · 50,000+ mariners

Find Tybee Knoll Cut Range Rear Lighthouse on the live nautical map

Plan voyages near United States, 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 Tybee Knoll Cut Range Rear Lighthouse at night?+
Tybee Knoll Cut Range Rear displays the characteristic Fl White 4s. 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Tybee Knoll Cut Range Rear Lighthouse guide vessels into?+
Tybee Knoll Cut Range Rear Lighthouse assists vessels approaching 5 nearby ports. The closest is Tybee Island at 1.6 NM to the SE. Other ports served include Springfield (9.5 NM WNW), Savannah (10.7 NM WNW), SHELTER COVE HILTON (12.6 NM NE), Port Wentworth (13.5 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tybee Knoll Cut Range Rear Lighthouse still active and maintained?+
Yes, Tybee Knoll Cut Range Rear 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 Tybee Knoll Cut Range Rear Lighthouse?+
Tybee Knoll Cut Range Rear 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 Tybee Knoll Cut Range Rear Lighthouse?+
You can track vessels near Tybee Knoll Cut Range Rear 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.