About Search this area Wimpy's Marina & RV park
Visit Wimpy’s Marina at 14001 West Walnut Grove Road in Walnut Grove, California. Wimpy’s Marina offers direct passage to the San Joaquin River. Call 209-794-2544 to contact Wimpy’s Marina directly.


Facilities
COORDINATES
38.22651 N, -121.49089 E
Port Information
Telephone
Berth Sizes
< 10m, 10-20m, 20m+
Depth at MLW
2 - 3m
Manoeuvrability
Fair
Channel Marking
Fair
Overseas Visitor Berths
Yes
Catamaran Berths
Yes
Dock Type
Floating
Style Side To
Yes
Tidal Flow
Negligible
Active Winter
Yes
Weather Forecast
Wed
5AM - 9AM
18 February 2026
- Light and variable.
- Increasing from 1 to 6°C
- Sunny
Wed
9AM - 1PM
18 February 2026
- S 5 knots increasing to 8 knots.
- 6 to 10°C
- UV Index: 1 - Low
- Chance of showers
Wed
1PM - 5PM
18 February 2026
- S 7–9 knots.
- 9°C
- UV Index: 0 - Low
- Chance of showers