| Back to River Map | <<< Previous Forecast Point | | | Next Forecast Point >>> | Printer Version | Graph Version |  |
|
SAN JOAQUIN RIVER DELTA - ROUGH & READY ISLAND (RRIC1)
| Latitude: 37.96º N | Longitude: 121.36º W | Elevation: 15 Feet | | | |
| Location: Contra Costa County in California | Bulletin Group: San Joaquin | River Group: San Joaquin |
| Issuance Time: | Dec 27 2025 at 9:54 AM PST | Next Issuance: | Dec 28 2025 at 9:00 AM PST
| |
| 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: 12/27/2025 at 09:56 AM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 12/24/2025 at 07:00 PM PST
# Maximum Observed Stage: 7.02 Feet
#
# Earliest Date & Time of Maximum Forecast: 12/31/2025 at 02:00 PM PST
# Maximum Forecast Stage: 7.32 Feet
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Trend Observed Status
# ------------------------------------------------------------------
12/22/2025 09 AM PST 5.80 Not Applicable
12/22/2025 10 AM PST 5.36 - Not Applicable
12/22/2025 11 AM PST 4.75 - Not Applicable
12/22/2025 12 PM PST 4.43 - Not Applicable
12/22/2025 01 PM PST 4.62 + Not Applicable
12/22/2025 02 PM PST 5.27 + Not Applicable
12/22/2025 03 PM PST 5.94 + Not Applicable
12/22/2025 04 PM PST 6.37 + Not Applicable
12/22/2025 05 PM PST 6.73 + Not Applicable
12/22/2025 06 PM PST 6.92 + Not Applicable
12/22/2025 07 PM PST 6.72 - Not Applicable
12/22/2025 08 PM PST 5.96 - Not Applicable
12/22/2025 09 PM PST 5.30 - Not Applicable
12/22/2025 10 PM PST 4.89 - Not Applicable
12/22/2025 11 PM PST 4.44 - Not Applicable
12/23/2025 12 AM PST 3.93 - Not Applicable
12/23/2025 01 AM PST 3.44 - Not Applicable
12/23/2025 02 AM PST 3.03 - Not Applicable
12/23/2025 03 AM PST 2.81 - Not Applicable
12/23/2025 04 AM PST 3.39 + Not Applicable
12/23/2025 05 AM PST 4.50 + Not Applicable
12/23/2025 06 AM PST 5.05 + Not Applicable
12/23/2025 07 AM PST 5.42 + Not Applicable
12/23/2025 08 AM PST 5.72 + Not Applicable
12/23/2025 09 AM PST 5.88 + Not Applicable
12/23/2025 10 AM PST 5.73 - Not Applicable
12/23/2025 11 AM PST 5.22 - Not Applicable
12/23/2025 12 PM PST 4.67 - Not Applicable
12/23/2025 01 PM PST 4.50 - Not Applicable
12/23/2025 02 PM PST 4.78 + Not Applicable
12/23/2025 03 PM PST 5.51 + Not Applicable
12/23/2025 04 PM PST 6.13 + Not Applicable
12/23/2025 05 PM PST 6.54 + Not Applicable
12/23/2025 06 PM PST 6.87 + Not Applicable
12/23/2025 07 PM PST 7.00 + Not Applicable
12/23/2025 08 PM PST 6.63 - Not Applicable
12/23/2025 09 PM PST 5.80 - Not Applicable
12/23/2025 10 PM PST 5.18 - Not Applicable
12/23/2025 11 PM PST 4.79 - Not Applicable
12/24/2025 12 AM PST 4.33 - Not Applicable
12/24/2025 01 AM PST 3.82 - Not Applicable
12/24/2025 02 AM PST 3.34 - Not Applicable
12/24/2025 03 AM PST 2.98 - Not Applicable
12/24/2025 04 AM PST 3.55 + Not Applicable
12/24/2025 05 AM PST 4.32 + Not Applicable
12/24/2025 06 AM PST 5.48 + Not Applicable
12/24/2025 07 AM PST 5.89 + Not Applicable
12/24/2025 08 AM PST 6.30 + Not Applicable
12/24/2025 09 AM PST 6.70 + Not Applicable
12/24/2025 10 AM PST 6.92 + Not Applicable
12/24/2025 11 AM PST 6.66 - Not Applicable
12/24/2025 12 PM PST 5.96 - Not Applicable
12/24/2025 01 PM PST 5.45 - Not Applicable
12/24/2025 02 PM PST 5.30 - Not Applicable
12/24/2025 03 PM PST 5.37 + Not Applicable
12/24/2025 04 PM PST 5.89 + Not Applicable
12/24/2025 05 PM PST 6.46 + Not Applicable
12/24/2025 06 PM PST 6.83 + Not Applicable
12/24/2025 07 PM PST 7.02 + Not Applicable
12/24/2025 08 PM PST 6.93 - Not Applicable
12/24/2025 09 PM PST 6.36 - Not Applicable
12/24/2025 10 PM PST 5.75 - Not Applicable
12/24/2025 11 PM PST 5.28 - Not Applicable
12/25/2025 12 AM PST 4.82 - Not Applicable
12/25/2025 01 AM PST 4.32 - Not Applicable
12/25/2025 02 AM PST 3.75 - Not Applicable
12/25/2025 03 AM PST 3.43 - Not Applicable
12/25/2025 04 AM PST 3.31 - Not Applicable
12/25/2025 05 AM PST 4.17 + Not Applicable
12/25/2025 06 AM PST 5.23 + Not Applicable
12/25/2025 07 AM PST 5.88 + Not Applicable
12/25/2025 08 AM PST 6.38 + Not Applicable
12/25/2025 09 AM PST 6.74 + Not Applicable
12/25/2025 10 AM PST 6.96 + Not Applicable
12/25/2025 11 AM PST 6.91 - Not Applicable
12/25/2025 12 PM PST 6.33 - Not Applicable
12/25/2025 01 PM PST 5.75 - Not Applicable
12/25/2025 02 PM PST 5.44 - Not Applicable
12/25/2025 03 PM PST 5.34 - Not Applicable
12/25/2025 04 PM PST 5.39 + Not Applicable
12/25/2025 05 PM PST 5.83 + Not Applicable
12/25/2025 06 PM PST 6.38 + Not Applicable
12/25/2025 07 PM PST 6.65 + Not Applicable
12/25/2025 08 PM PST 6.83 + Not Applicable
12/25/2025 09 PM PST 6.74 - Not Applicable
12/25/2025 10 PM PST 6.24 - Not Applicable
12/25/2025 11 PM PST 5.75 - Not Applicable
12/26/2025 12 AM PST 5.39 - Not Applicable
12/26/2025 01 AM PST 4.94 - Not Applicable
12/26/2025 02 AM PST 4.47 - Not Applicable
12/26/2025 03 AM PST 4.07 - Not Applicable
12/26/2025 04 AM PST 3.81 - Not Applicable
12/26/2025 05 AM PST 3.88 + Not Applicable
12/26/2025 06 AM PST 4.79 + Not Applicable
12/26/2025 07 AM PST 5.68 + Not Applicable
12/26/2025 08 AM PST 6.14 + Not Applicable
12/26/2025 09 AM PST 6.51 + Not Applicable
12/26/2025 10 AM PST 6.81 + Not Applicable
12/26/2025 11 AM PST 6.84 + Not Applicable
12/26/2025 12 PM PST 6.42 - Not Applicable
12/26/2025 01 PM PST 5.80 - Not Applicable
12/26/2025 02 PM PST 5.37 - Not Applicable
12/26/2025 03 PM PST 5.11 - Not Applicable
12/26/2025 04 PM PST 4.93 - Not Applicable
12/26/2025 05 PM PST 4.97 + Not Applicable
12/26/2025 06 PM PST 5.41 + Not Applicable
12/26/2025 07 PM PST 6.10 + Not Applicable
12/26/2025 08 PM PST 6.50 + Not Applicable
12/26/2025 09 PM PST 6.58 + Not Applicable
12/26/2025 10 PM PST 6.30 - Not Applicable
12/26/2025 11 PM PST 5.71 - Not Applicable
12/27/2025 12 AM PST 5.20 - Not Applicable
12/27/2025 01 AM PST 4.85 - Not Applicable
12/27/2025 02 AM PST 4.43 - Not Applicable
12/27/2025 03 AM PST 3.98 - Not Applicable
12/27/2025 04 AM PST 3.58 - Not Applicable
12/27/2025 05 AM PST 3.40 - Not Applicable
12/27/2025 06 AM PST 3.83 + Not Applicable
12/27/2025 07 AM PST 4.63 + Not Applicable
12/27/2025 08 AM PST 5.40 + Not Applicable
12/27/2025 09 AM PST 6.11 + Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Trend Forecast Status
# ------------------------------------------------------------------
12/27/2025 10 AM PST 6.59 Not Applicable
12/27/2025 11 AM PST 6.75 + Not Applicable
12/27/2025 12 PM PST 6.59 - Not Applicable
12/27/2025 01 PM PST 6.16 - Not Applicable
12/27/2025 02 PM PST 5.59 - Not Applicable
12/27/2025 03 PM PST 5.02 - Not Applicable
12/27/2025 04 PM PST 4.62 - Not Applicable
12/27/2025 05 PM PST 4.46 - Not Applicable
12/27/2025 06 PM PST 4.63 + Not Applicable
12/27/2025 07 PM PST 4.99 + Not Applicable
12/27/2025 08 PM PST 5.43 + Not Applicable
12/27/2025 09 PM PST 5.77 + Not Applicable
12/27/2025 10 PM PST 5.88 + Not Applicable
12/27/2025 11 PM PST 5.74 - Not Applicable
12/28/2025 12 AM PST 5.34 - Not Applicable
12/28/2025 01 AM PST 4.81 - Not Applicable
12/28/2025 02 AM PST 4.21 - Not Applicable
12/28/2025 03 AM PST 3.68 - Not Applicable
12/28/2025 04 AM PST 3.29 - Not Applicable
12/28/2025 05 AM PST 3.15 - Not Applicable
12/28/2025 06 AM PST 3.48 + Not Applicable
12/28/2025 07 AM PST 4.19 + Not Applicable
12/28/2025 08 AM PST 5.10 + Not Applicable
12/28/2025 09 AM PST 5.94 + Not Applicable
12/28/2025 10 AM PST 6.56 + Not Applicable
12/28/2025 11 AM PST 6.80 + Not Applicable
12/28/2025 12 PM PST 6.67 - Not Applicable
12/28/2025 01 PM PST 6.27 - Not Applicable
12/28/2025 02 PM PST 5.68 - Not Applicable
12/28/2025 03 PM PST 5.04 - Not Applicable
12/28/2025 04 PM PST 4.47 - Not Applicable
12/28/2025 05 PM PST 4.05 - Not Applicable
12/28/2025 06 PM PST 3.92 - Not Applicable
12/28/2025 07 PM PST 4.11 + Not Applicable
12/28/2025 08 PM PST 4.55 + Not Applicable
12/28/2025 09 PM PST 5.02 + Not Applicable
12/28/2025 10 PM PST 5.39 + Not Applicable
12/28/2025 11 PM PST 5.54 + Not Applicable
12/29/2025 12 AM PST 5.43 - Not Applicable
12/29/2025 01 AM PST 5.12 - Not Applicable
12/29/2025 02 AM PST 4.69 - Not Applicable
12/29/2025 03 AM PST 4.21 - Not Applicable
12/29/2025 04 AM PST 3.78 - Not Applicable
12/29/2025 05 AM PST 3.48 - Not Applicable
12/29/2025 06 AM PST 3.40 - Not Applicable
12/29/2025 07 AM PST 3.71 + Not Applicable
12/29/2025 08 AM PST 4.45 + Not Applicable
12/29/2025 09 AM PST 5.32 + Not Applicable
12/29/2025 10 AM PST 6.18 + Not Applicable
12/29/2025 11 AM PST 6.80 + Not Applicable
12/29/2025 12 PM PST 7.04 + Not Applicable
12/29/2025 01 PM PST 6.93 - Not Applicable
12/29/2025 02 PM PST 6.53 - Not Applicable
12/29/2025 03 PM PST 5.92 - Not Applicable
12/29/2025 04 PM PST 5.21 - Not Applicable
12/29/2025 05 PM PST 4.53 - Not Applicable
12/29/2025 06 PM PST 3.92 - Not Applicable
12/29/2025 07 PM PST 3.52 - Not Applicable
12/29/2025 08 PM PST 3.39 - Not Applicable
12/29/2025 09 PM PST 3.62 + Not Applicable
12/29/2025 10 PM PST 4.18 + Not Applicable
12/29/2025 11 PM PST 4.82 + Not Applicable
12/30/2025 12 AM PST 5.28 + Not Applicable
12/30/2025 01 AM PST 5.47 + Not Applicable
12/30/2025 02 AM PST 5.37 - Not Applicable
12/30/2025 03 AM PST 5.06 - Not Applicable
12/30/2025 04 AM PST 4.65 - Not Applicable
12/30/2025 05 AM PST 4.23 - Not Applicable
12/30/2025 06 AM PST 3.93 - Not Applicable
12/30/2025 07 AM PST 3.86 - Not Applicable
12/30/2025 08 AM PST 4.17 + Not Applicable
12/30/2025 09 AM PST 4.82 + Not Applicable
12/30/2025 10 AM PST 5.63 + Not Applicable
12/30/2025 11 AM PST 6.43 + Not Applicable
12/30/2025 12 PM PST 7.01 + Not Applicable
12/30/2025 01 PM PST 7.22 + Not Applicable
12/30/2025 02 PM PST 7.06 - Not Applicable
12/30/2025 03 PM PST 6.57 - Not Applicable
12/30/2025 04 PM PST 5.84 - Not Applicable
12/30/2025 05 PM PST 5.01 - Not Applicable
12/30/2025 06 PM PST 4.19 - Not Applicable
12/30/2025 07 PM PST 3.49 - Not Applicable
12/30/2025 08 PM PST 2.95 - Not Applicable
12/30/2025 09 PM PST 2.74 - Not Applicable
12/30/2025 10 PM PST 2.95 + Not Applicable
12/30/2025 11 PM PST 3.48 + Not Applicable
12/31/2025 12 AM PST 4.14 + Not Applicable
12/31/2025 01 AM PST 4.79 + Not Applicable
12/31/2025 02 AM PST 5.21 + Not Applicable
12/31/2025 03 AM PST 5.37 + Not Applicable
12/31/2025 04 AM PST 5.25 - Not Applicable
12/31/2025 05 AM PST 4.93 - Not Applicable
12/31/2025 06 AM PST 4.55 - Not Applicable
12/31/2025 07 AM PST 4.23 - Not Applicable
12/31/2025 08 AM PST 4.16 - Not Applicable
12/31/2025 09 AM PST 4.46 + Not Applicable
12/31/2025 10 AM PST 5.04 + Not Applicable
12/31/2025 11 AM PST 5.82 + Not Applicable
12/31/2025 12 PM PST 6.58 + Not Applicable
12/31/2025 01 PM PST 7.13 + Not Applicable
12/31/2025 02 PM PST 7.32 + Not Applicable
12/31/2025 03 PM PST 7.11 - Not Applicable
12/31/2025 04 PM PST 6.53 - Not Applicable
12/31/2025 05 PM PST 5.68 - Not Applicable
12/31/2025 06 PM PST 4.74 - Not Applicable
12/31/2025 07 PM PST 3.79 - Not Applicable
12/31/2025 08 PM PST 2.94 - Not Applicable
12/31/2025 09 PM PST 2.29 - Not Applicable
12/31/2025 10 PM PST 2.05 - Not Applicable
12/31/2025 11 PM PST 2.18 + Not Applicable
01/01/2026 12 AM PST 2.69 + Not Applicable
01/01/2026 01 AM PST 3.44 + Not Applicable
01/01/2026 02 AM PST 4.17 + Not Applicable
01/01/2026 03 AM PST 4.81 + Not Applicable
01/01/2026 04 AM PST 5.22 + 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.
|
Follow us on X
Follow us on Facebook
Follow us on YouTube
NWS RSS Feed