Port Sonoma - California, United States
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MainDescription
Map of Port Sonoma: View Full Map

Port Sonoma


Location
State California
Country United States




Navigation
Latitude 38° 7" 32'
Longitude -122° 29" 13'
Format DD DMS
Body of water Petaluma River
Current Conditions
Sunday
Monday
Tuesday
Temperature: 48F
Dewpoint: 48F

Clear
High: 67F
Low: 43F

Clear
High: 65F
Low: 45F

Partly Cloudy
High: 65F
Low: 45F

Chance of Rain

Introduction:
Located downriver from the city of Petaluma, Port Sonoma lies on the Petaluma River, which empties not far away into San Pablo Bay, north of San Francisco. Novato is the closest town (to the west), but has little in the way of facilities.

Navigating the Water:
Use NOAA Chart 18654.

Approach from the south. Port Sonoma is reached via a long, narrow channel that starts with flashing red “2” in San Pedro Bay a good two miles south of Port Sonoma. The channel is reported to have six-foot depths and a width of 15 feet, so it is advised that you pay close attention to the numerous closely spaced marks.

Things get a little tricky at the mouth of the Petaluma River around green daybeacon “15” and flashing red “16,” as the channel makes a westward bend toward the facilities at Port Sonoma. Depths deepen once inside the river, but shallow again in the marina here, which has depths of about four to seven feet.

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

Marine Facilities: