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SAN JOAQUIN RIVER DELTA - ROUGH & READY ISLAND (RRIC1)
| Latitude: 37.96º N | Longitude: 121.36º W | Elevation: 15 Feet | | Forecast Type: Unofficial Location |
| Location: San Joaquin County in California | Bulletin Group: San Joaquin | River Group: San Joaquin |
| Issuance Time: | Jul 03 2026 at 7:08 AM PDT | Next Issuance: | Jul 04 2026 at 9:00 AM PDT
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| Action/Monitor: N/A | Minor Flood: N/A | Moderate Flood: N/A | Major Flood: N/A |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Joaquin River Delta - Rough and Ready Island (RRIC1)
#
# File Generation Time: 07/03/2026 at 07:10 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 07/02/2026 at 07:00 AM PDT
# Maximum Observed Stage: 7.34 Feet
#
# Earliest Date & Time of Maximum Forecast: 07/04/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 6.97 Feet
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Trend Observed Status
# ------------------------------------------------------------------
06/28/2026 07 AM PDT 5.77 Not Applicable
06/28/2026 08 AM PDT 5.33 - Not Applicable
06/28/2026 09 AM PDT 4.87 - Not Applicable
06/28/2026 10 AM PDT 4.29 - Not Applicable
06/28/2026 11 AM PDT 3.78 - Not Applicable
06/28/2026 12 PM PDT 3.30 - Not Applicable
06/28/2026 01 PM PDT 2.88 - Not Applicable
06/28/2026 02 PM PDT 2.83 - Not Applicable
06/28/2026 03 PM PDT 3.64 + Not Applicable
06/28/2026 04 PM PDT 4.55 + Not Applicable
06/28/2026 05 PM PDT 5.00 + Not Applicable
06/28/2026 06 PM PDT 5.33 + Not Applicable
06/28/2026 07 PM PDT 5.62 + Not Applicable
06/28/2026 08 PM PDT 5.75 + Not Applicable
06/28/2026 09 PM PDT 5.56 - Not Applicable
06/28/2026 10 PM PDT 5.06 - Not Applicable
06/28/2026 11 PM PDT 4.78 - Not Applicable
06/29/2026 12 AM PDT 4.89 + Not Applicable
06/29/2026 01 AM PDT 5.44 + Not Applicable
06/29/2026 02 AM PDT 6.07 + Not Applicable
06/29/2026 03 AM PDT 6.51 + Not Applicable
06/29/2026 04 AM PDT 6.89 + Not Applicable
06/29/2026 05 AM PDT 7.14 + Not Applicable
06/29/2026 06 AM PDT 7.01 - Not Applicable
06/29/2026 07 AM PDT 6.31 - Not Applicable
06/29/2026 08 AM PDT 5.61 - Not Applicable
06/29/2026 09 AM PDT 5.18 - Not Applicable
06/29/2026 10 AM PDT 4.70 - Not Applicable
06/29/2026 11 AM PDT 4.14 - Not Applicable
06/29/2026 12 PM PDT 3.63 - Not Applicable
06/29/2026 01 PM PDT 3.16 - Not Applicable
06/29/2026 02 PM PDT 2.86 - Not Applicable
06/29/2026 03 PM PDT 3.15 + Not Applicable
06/29/2026 04 PM PDT 4.18 + Not Applicable
06/29/2026 05 PM PDT 4.90 + Not Applicable
06/29/2026 06 PM PDT 5.29 + Not Applicable
06/29/2026 07 PM PDT 5.68 + Not Applicable
06/29/2026 08 PM PDT 5.87 + Not Applicable
06/29/2026 09 PM PDT 5.83 - Not Applicable
06/29/2026 10 PM PDT 5.43 - Not Applicable
06/29/2026 11 PM PDT 4.95 - Not Applicable
06/30/2026 12 AM PDT 4.86 - Not Applicable
06/30/2026 01 AM PDT 5.20 + Not Applicable
06/30/2026 02 AM PDT 5.87 + Not Applicable
06/30/2026 03 AM PDT 6.42 + Not Applicable
06/30/2026 04 AM PDT 6.84 + Not Applicable
06/30/2026 05 AM PDT 7.19 + Not Applicable
06/30/2026 06 AM PDT 7.30 + Not Applicable
06/30/2026 07 AM PDT 6.91 - Not Applicable
06/30/2026 08 AM PDT 6.14 - Not Applicable
06/30/2026 09 AM PDT 5.61 - Not Applicable
06/30/2026 10 AM PDT 5.19 - Not Applicable
06/30/2026 11 AM PDT 4.63 - Not Applicable
06/30/2026 12 PM PDT 4.10 - Not Applicable
06/30/2026 01 PM PDT 3.61 - Not Applicable
06/30/2026 02 PM PDT 3.20 - Not Applicable
06/30/2026 03 PM PDT 3.14 - Not Applicable
06/30/2026 04 PM PDT 3.96 + Not Applicable
06/30/2026 05 PM PDT 4.91 + Not Applicable
06/30/2026 06 PM PDT 5.35 + Not Applicable
06/30/2026 07 PM PDT 5.71 + Not Applicable
06/30/2026 08 PM PDT 6.01 + Not Applicable
06/30/2026 09 PM PDT 6.14 + Not Applicable
06/30/2026 10 PM PDT 5.92 - Not Applicable
06/30/2026 11 PM PDT 5.36 - Not Applicable
07/01/2026 12 AM PDT 5.01 - Not Applicable
07/01/2026 01 AM PDT 5.11 + Not Applicable
07/01/2026 02 AM PDT 5.63 + Not Applicable
07/01/2026 03 AM PDT 6.25 + Not Applicable
07/01/2026 04 AM PDT 6.70 + Not Applicable
07/01/2026 05 AM PDT 7.08 + Not Applicable
07/01/2026 06 AM PDT 7.31 + Not Applicable
07/01/2026 07 AM PDT 7.20 - Not Applicable
07/01/2026 08 AM PDT 6.54 - Not Applicable
07/01/2026 09 AM PDT 5.84 - Not Applicable
07/01/2026 10 AM PDT 5.43 - Not Applicable
07/01/2026 11 AM PDT 4.95 - Not Applicable
07/01/2026 12 PM PDT 4.41 - Not Applicable
07/01/2026 01 PM PDT 3.90 - Not Applicable
07/01/2026 02 PM PDT 3.44 - Not Applicable
07/01/2026 03 PM PDT 3.12 - Not Applicable
07/01/2026 04 PM PDT 3.37 + Not Applicable
07/01/2026 05 PM PDT 4.43 + Not Applicable
07/01/2026 06 PM PDT 5.18 + Not Applicable
07/01/2026 07 PM PDT 5.51 + Not Applicable
07/01/2026 08 PM PDT 5.85 + Not Applicable
07/01/2026 09 PM PDT 6.11 + Not Applicable
07/01/2026 10 PM PDT 6.13 + Not Applicable
07/01/2026 11 PM PDT 5.78 - Not Applicable
07/02/2026 12 AM PDT 5.23 - Not Applicable
07/02/2026 01 AM PDT 5.01 - Not Applicable
07/02/2026 02 AM PDT 5.22 + Not Applicable
07/02/2026 03 AM PDT 5.83 + Not Applicable
07/02/2026 04 AM PDT 6.41 + Not Applicable
07/02/2026 05 AM PDT 6.82 + Not Applicable
07/02/2026 06 AM PDT 7.18 + Not Applicable
07/02/2026 07 AM PDT 7.34 + Not Applicable
07/02/2026 08 AM PDT 7.06 - Not Applicable
07/02/2026 09 AM PDT 6.26 - Not Applicable
07/02/2026 10 AM PDT 5.67 - Not Applicable
07/02/2026 11 AM PDT 5.30 - Not Applicable
07/02/2026 12 PM PDT 4.75 - Not Applicable
07/02/2026 01 PM PDT 4.19 - Not Applicable
07/02/2026 02 PM PDT 3.71 - Not Applicable
07/02/2026 03 PM PDT 3.32 - Not Applicable
07/02/2026 04 PM PDT 3.17 - Not Applicable
07/02/2026 05 PM PDT 3.89 + Not Applicable
07/02/2026 06 PM PDT 4.89 + Not Applicable
07/02/2026 07 PM PDT 5.39 + Not Applicable
07/02/2026 08 PM PDT 5.75 + Not Applicable
07/02/2026 09 PM PDT 6.07 + Not Applicable
07/02/2026 10 PM PDT 6.24 + Not Applicable
07/02/2026 11 PM PDT 6.01 - Not Applicable
07/03/2026 12 AM PDT 5.45 - Not Applicable
07/03/2026 01 AM PDT 5.03 - Not Applicable
07/03/2026 02 AM PDT 4.95 - Not Applicable
07/03/2026 03 AM PDT 5.17 + Not Applicable
07/03/2026 04 AM PDT 5.80 + Not Applicable
07/03/2026 05 AM PDT 6.36 + Not Applicable
07/03/2026 06 AM PDT 6.86 + Not Applicable
07/03/2026 07 AM PDT 7.07 + Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Trend Forecast Status
# ------------------------------------------------------------------
07/03/2026 08 AM PDT 6.95 Not Applicable
07/03/2026 09 AM PDT 6.56 - Not Applicable
07/03/2026 10 AM PDT 5.95 - Not Applicable
07/03/2026 11 AM PDT 5.21 - Not Applicable
07/03/2026 12 PM PDT 4.46 - Not Applicable
07/03/2026 01 PM PDT 3.72 - Not Applicable
07/03/2026 02 PM PDT 3.15 - Not Applicable
07/03/2026 03 PM PDT 2.66 - Not Applicable
07/03/2026 04 PM PDT 2.56 - Not Applicable
07/03/2026 05 PM PDT 2.88 + Not Applicable
07/03/2026 06 PM PDT 3.62 + Not Applicable
07/03/2026 07 PM PDT 4.54 + Not Applicable
07/03/2026 08 PM PDT 5.35 + Not Applicable
07/03/2026 09 PM PDT 5.95 + Not Applicable
07/03/2026 10 PM PDT 6.16 + Not Applicable
07/03/2026 11 PM PDT 5.95 - Not Applicable
07/04/2026 12 AM PDT 5.48 - Not Applicable
07/04/2026 01 AM PDT 5.05 - Not Applicable
07/04/2026 02 AM PDT 4.88 - Not Applicable
07/04/2026 03 AM PDT 5.03 + Not Applicable
07/04/2026 04 AM PDT 5.42 + Not Applicable
07/04/2026 05 AM PDT 5.95 + Not Applicable
07/04/2026 06 AM PDT 6.48 + Not Applicable
07/04/2026 07 AM PDT 6.85 + Not Applicable
07/04/2026 08 AM PDT 6.97 + Not Applicable
07/04/2026 09 AM PDT 6.79 - Not Applicable
07/04/2026 10 AM PDT 6.33 - Not Applicable
07/04/2026 11 AM PDT 5.64 - Not Applicable
07/04/2026 12 PM PDT 4.87 - Not Applicable
07/04/2026 01 PM PDT 4.09 - Not Applicable
07/04/2026 02 PM PDT 3.44 - Not Applicable
07/04/2026 03 PM PDT 2.92 - Not Applicable
07/04/2026 04 PM PDT 2.76 - Not Applicable
07/04/2026 05 PM PDT 3.09 + Not Applicable
07/04/2026 06 PM PDT 3.81 + Not Applicable
07/04/2026 07 PM PDT 4.74 + Not Applicable
07/04/2026 08 PM PDT 5.57 + Not Applicable
07/04/2026 09 PM PDT 6.18 + Not Applicable
07/04/2026 10 PM PDT 6.41 + Not Applicable
07/04/2026 11 PM PDT 6.25 - Not Applicable
07/05/2026 12 AM PDT 5.83 - Not Applicable
07/05/2026 01 AM PDT 5.32 - Not Applicable
07/05/2026 02 AM PDT 4.92 - Not Applicable
07/05/2026 03 AM PDT 4.77 - Not Applicable
07/05/2026 04 AM PDT 4.90 + Not Applicable
07/05/2026 05 AM PDT 5.26 + Not Applicable
07/05/2026 06 AM PDT 5.75 + Not Applicable
07/05/2026 07 AM PDT 6.23 + Not Applicable
07/05/2026 08 AM PDT 6.57 + Not Applicable
07/05/2026 09 AM PDT 6.67 + Not Applicable
07/05/2026 10 AM PDT 6.45 - Not Applicable
07/05/2026 11 AM PDT 5.93 - Not Applicable
07/05/2026 12 PM PDT 5.20 - Not Applicable
07/05/2026 01 PM PDT 4.42 - Not Applicable
07/05/2026 02 PM PDT 3.70 - Not Applicable
07/05/2026 03 PM PDT 3.20 - Not Applicable
07/05/2026 04 PM PDT 2.98 - Not Applicable
07/05/2026 05 PM PDT 3.31 + Not Applicable
07/05/2026 06 PM PDT 4.03 + Not Applicable
07/05/2026 07 PM PDT 4.97 + Not Applicable
07/05/2026 08 PM PDT 5.84 + Not Applicable
07/05/2026 09 PM PDT 6.47 + Not Applicable
07/05/2026 10 PM PDT 6.73 + Not Applicable
07/05/2026 11 PM PDT 6.66 - Not Applicable
07/06/2026 12 AM PDT 6.35 - Not Applicable
07/06/2026 01 AM PDT 5.90 - Not Applicable
07/06/2026 02 AM PDT 5.39 - Not Applicable
07/06/2026 03 AM PDT 4.94 - Not Applicable
07/06/2026 04 AM PDT 4.63 - Not Applicable
07/06/2026 05 AM PDT 4.55 - Not Applicable
07/06/2026 06 AM PDT 4.73 + Not Applicable
07/06/2026 07 AM PDT 5.12 + Not Applicable
07/06/2026 08 AM PDT 5.59 + Not Applicable
07/06/2026 09 AM PDT 5.95 + Not Applicable
07/06/2026 10 AM PDT 6.07 + Not Applicable
07/06/2026 11 AM PDT 5.90 - Not Applicable
07/06/2026 12 PM PDT 5.46 - Not Applicable
07/06/2026 01 PM PDT 4.85 - Not Applicable
07/06/2026 02 PM PDT 4.18 - Not Applicable
07/06/2026 03 PM PDT 3.58 - Not Applicable
07/06/2026 04 PM PDT 3.13 - Not Applicable
07/06/2026 05 PM PDT 2.96 - Not Applicable
07/06/2026 06 PM PDT 3.29 + Not Applicable
07/06/2026 07 PM PDT 3.97 + Not Applicable
07/06/2026 08 PM PDT 4.87 + Not Applicable
07/06/2026 09 PM PDT 5.69 + Not Applicable
07/06/2026 10 PM PDT 6.29 + Not Applicable
07/06/2026 11 PM PDT 6.53 + Not Applicable
07/07/2026 12 AM PDT 6.42 - Not Applicable
07/07/2026 01 AM PDT 6.06 - Not Applicable
07/07/2026 02 AM PDT 5.53 - Not Applicable
07/07/2026 03 AM PDT 4.95 - Not Applicable
07/07/2026 04 AM PDT 4.44 - Not Applicable
07/07/2026 05 AM PDT 4.06 - Not Applicable
07/07/2026 06 AM PDT 3.93 - Not Applicable
07/07/2026 07 AM PDT 4.03 + Not Applicable
07/07/2026 08 AM PDT 4.33 + Not Applicable
07/07/2026 09 AM PDT 4.71 + Not Applicable
07/07/2026 10 AM PDT 5.07 + Not Applicable
07/07/2026 11 AM PDT 5.33 + Not Applicable
07/07/2026 12 PM PDT 5.40 + Not Applicable
07/07/2026 01 PM PDT 5.21 - Not Applicable
07/07/2026 02 PM PDT 4.80 - Not Applicable
07/07/2026 03 PM PDT 4.26 - Not Applicable
07/07/2026 04 PM PDT 3.72 - Not Applicable
07/07/2026 05 PM PDT 3.33 - Not Applicable
07/07/2026 06 PM PDT 3.17 - Not Applicable
07/07/2026 07 PM PDT 3.45 + Not Applicable
07/07/2026 08 PM PDT 4.11 + Not Applicable
07/07/2026 09 PM PDT 4.96 + Not Applicable
07/07/2026 10 PM PDT 5.74 + Not Applicable
07/07/2026 11 PM PDT 6.31 + Not Applicable
07/08/2026 12 AM PDT 6.53 + Not Applicable
07/08/2026 01 AM PDT 6.38 - Not Applicable
07/08/2026 02 AM PDT 5.93 - Not Applicable
07/08/2026 03 AM PDT 5.29 - Not Applicable
07/08/2026 04 AM PDT 4.61 - Not Applicable
07/08/2026 05 AM PDT 3.97 - Not Applicable
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Trends are determined using hourly change in unrounded stage.
# NOTE 3: Maximum Values are determined using unrounded stage.
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