Likely low. (Confirm via NOAA data on Flow Info tab.)
There is a gauge on the downstream center pylon of the Rice Street bridge. If you walk out on the northeast side of the railroad bridge, looking upstream, you can easily read the gauge.
At 1.5' the river is fun and doable, but a little scratchy. At 4'3" it is BIG fun waves and some LONG wavetrains.