Total streamflow across the Sisquoc River was last observed at 244 cfs, and is expected to yield approximately 484 acre-ft of water today; about 100% of normal. Average streamflow for this time of year is 244 cfs, with recent peaks last observed on 2024-02-05 when daily discharge volume was observed at 5,530 cfs.

Maximum discharge along the river is currently at the Sisquoc R Nr Sisquoc Ca reporting a streamflow rate of 301 cfs. However, the streamgauge with the highest stage along the river is the Sisquoc R Nr Garey with a gauge stage of 7.13 ft. This river is monitored from 2 different streamgauging stations along the Sisquoc River, the highest being situated at an altitude of 627 ft, the Sisquoc R Nr Sisquoc Ca.