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Map of San Sebastian River Inlet: View Full Map

San Sebastian River Inlet


Location
City St. Augustine
State Florida
Country United States




Navigation
Latitude 29° 52" 9'
Longitude -81° 18" 27'
Format DD DMS
Body of water Matanzas River to San Sebastian River
Current Conditions
Friday
Saturday
Sunday
Temperature: 48F
Dewpoint: 48F

Clear
High: 68F
Low: 52F

Partly Cloudy
High: 68F
Low: 55F

Chance of Rain
High: 68F
Low: 57F

Chance of a Thunderstorm

Introduction:
The San Sebastian River, located at Intracoastal Waterway Mile 780, is one of many rivers that weave in and out of the St. Augustine area. Among those are the Tolomato River to the north, Matanzas River to the south, and the aforementioned San Sebastian River, which is on the city’s west end.

The image above is a view from the east looking west over the entrance to the San Sebastian with the river’s entrance marks and channel clearly visible along its length. The San Sebastian River is home to the majority of the marina facilities for the area with more than six facilities lining its shores.

Navigating the Water:
Use NOAA Chart 11485.

The San Sebastian River is reached from the Matanzas River and Intracoastal Waterway at ICW Mile 780. While the San Sebastian River poses little in the way of navigational hazards, the current can run strong here on both tides; a careful watch on your position in the channel is required. That said, the river is dredged and has a controlling depth of eight feet up to the Kings Street Bridge, which is the head of navigation for the river.

From the Intracoastal Waterway at Mile 780, pick up green daybeacon “1” and red daybeacon “2” (both visible in the image above), which both mark the entrance to the San Sebastian River. Once you have cleared the entry marks, you can head upstream through the well-marked channel, and then make a sharp turn to starboard (north)
at green daybeacon “9.”

Local Notices to Mariners:
Local Notices to Mariners are now exclusively available online from the U.S. Coast Guard.