California / Steamboat Slough /

Sandy Beach Park and BLF

Boat ramp · on Steamboat Slough · near Rio Vista · California

Golden mussels

California Department of Fish and Wildlife has detected golden mussels (latest detection 2025) in Steamboat Slough 2.8 km from this launch. Clean, drain and dry your boat, trailer and gear before you leave, and do not move water, plants or live bait to another water.

California Department of Fish and Wildlife · checked October 18, 2026

Past algal blooms

Harmful algal blooms reported on Steamboat Slough 2.5 km from this launch (state reports compiled by U.S. EPA): 2018, 2021 and 2022.

state reports compiled by U.S. EPA · checked October 18, 2026

Status not reported No closure has been posted for this launch, but its agency does not publish open or closed status. Check with the managing agency before you tow.

At the launch

Type
Boat ramp
Restrooms
Yes
Tidal
Yes
Managed by
County
Website
solanocounty.com
Coordinates
38.13975, -121.69473

Directions (Google) Apple Maps

Channel depths in feet from the Army Corps' surveys (Sacramento District; the one nearest this launch is of January 5, 2026). Not for navigation.

Conditions

Marine advisories

Advisories in effect load here; without them, see the NWS zone forecast below.

National Weather Service marine zone PZZ530, San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge. Zone forecast: winds, seas, warnings.

Tides

Predicted highs and lows at NOAA's Rio Vista station, 0.4 mi from this launch, in local time above MLLW. Predictions, not observations: wind and weather move the real tide. Full predictions at NOAA.

Tide predictions, Mon Oct 19 to Sun Oct 25
Mon Oct 19 Low 5:55 am 0.3 ft · High 12:16 pm 3.1 ft · Low 5:33 pm 1.7 ft · High 11:04 pm 3.0 ft
Tue Oct 20 Low 6:40 am 0.3 ft · High 12:56 pm 3.2 ft · Low 6:38 pm 1.4 ft
Wed Oct 21 High 12:20 am 2.9 ft · Low 7:20 am 0.4 ft · High 1:29 pm 3.3 ft · Low 7:36 pm 1.1 ft
Thu Oct 22 High 1:17 am 2.9 ft · Low 7:56 am 0.5 ft · High 1:56 pm 3.5 ft · Low 8:27 pm 0.9 ft
Fri Oct 23 High 2:07 am 2.9 ft · Low 8:29 am 0.7 ft · High 2:18 pm 3.6 ft · Low 9:16 pm 0.6 ft
Sat Oct 24 High 2:53 am 2.9 ft · Low 9:01 am 0.8 ft · High 2:38 pm 3.8 ft · Low 10:04 pm 0.4 ft
Sun Oct 25 High 3:39 am 2.8 ft · Low 9:32 am 1.0 ft · High 3:02 pm 4.0 ft · Low 10:51 pm 0.1 ft

Channel survey

The Army Corps surveys the channels it maintains and posts every survey.

  • Sacramento Channel · 0.1 mi from this launch
    Condition survey of January 5, 2026 by the Sacramento District. Least depth in the channel: 30.3 ft below mean lower low water (MLLW); project depth 30 ft. Survey sheet (PDF)

US Army Corps of Engineers hydrographic surveys, from eHydro. A survey shows the bottom on the day it was made; channels shoal after high water and change with dredging. Not for navigation.

On Steamboat Slough

River in California. All launches on Steamboat Slough.

Community

Where people who use Steamboat Slough talk about it.

Nearby launches

Sources

Why it is listed as public: listed by California Boating Facilities (Division of Boating and Waterways survey, CDFW Fishing Guide). Something wrong, or is this launch private? Send a correction; it goes to a person.