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SACRAMENTO RIVER DELTA - ANTIOCH (ATIC1)
| Latitude: 38.02º N | Longitude: 121.80º W | Elevation: 10 Feet | | Forecast Type: Unofficial Location |
| Location: Contra Costa County in California | Bulletin Group: Lower Sacramento | River Group: Lower Sacramento |
| Issuance Time: | Aug 31 2026 at 7:39 AM PDT | Next Issuance: | Sep 01 2026 at 9:00 AM PDT
| |
| Action/Monitor: N/A | Minor Flood: N/A | Moderate Flood: N/A | Major Flood: N/A |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Sacramento River Delta - Antioch (ATIC1)
#
# File Generation Time: 08/31/2026 at 07:42 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 08/27/2026 at 03:00 AM PDT
# Maximum Observed Stage: 6.52 Feet
#
# Earliest Date & Time of Maximum Forecast: 09/02/2026 at 07:00 PM PDT
# Maximum Forecast Stage: 6.69 Feet
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Trend Observed Status
# ------------------------------------------------------------------
08/26/2026 07 AM PDT 3.66 Not Applicable
08/26/2026 08 AM PDT 3.15 - Not Applicable
08/26/2026 09 AM PDT 2.68 - Not Applicable
08/26/2026 10 AM PDT 2.43 - Not Applicable
08/26/2026 11 AM PDT 2.79 + Not Applicable
08/26/2026 12 PM PDT 3.86 + Not Applicable
08/26/2026 01 PM PDT 4.66 + Not Applicable
08/26/2026 02 PM PDT 5.12 + Not Applicable
08/26/2026 03 PM PDT 5.42 + Not Applicable
08/26/2026 04 PM PDT 5.54 + Not Applicable
08/26/2026 05 PM PDT 5.45 - Not Applicable
08/26/2026 06 PM PDT 4.97 - Not Applicable
08/26/2026 07 PM PDT 4.37 - Not Applicable
08/26/2026 08 PM PDT 3.92 - Not Applicable
08/26/2026 09 PM PDT 3.81 - Not Applicable
08/26/2026 10 PM PDT 4.16 + Not Applicable
08/26/2026 11 PM PDT 4.93 + Not Applicable
08/27/2026 12 AM PDT 5.61 + Not Applicable
08/27/2026 01 AM PDT 6.13 + Not Applicable
08/27/2026 02 AM PDT 6.44 + Not Applicable
08/27/2026 03 AM PDT 6.52 + Not Applicable
08/27/2026 04 AM PDT 6.16 - Not Applicable
08/27/2026 05 AM PDT 5.34 - Not Applicable
08/27/2026 06 AM PDT 4.57 - Not Applicable
08/27/2026 07 AM PDT 3.92 - Not Applicable
08/27/2026 08 AM PDT 3.39 - Not Applicable
08/27/2026 09 AM PDT 2.88 - Not Applicable
08/27/2026 10 AM PDT 2.50 - Not Applicable
08/27/2026 11 AM PDT 2.50 0 Not Applicable
08/27/2026 12 PM PDT 3.40 + Not Applicable
08/27/2026 01 PM PDT 4.44 + Not Applicable
08/27/2026 02 PM PDT 5.04 + Not Applicable
08/27/2026 03 PM PDT 5.42 + Not Applicable
08/27/2026 04 PM PDT 5.63 + Not Applicable
08/27/2026 05 PM PDT 5.61 - Not Applicable
08/27/2026 06 PM PDT 5.23 - Not Applicable
08/27/2026 07 PM PDT 4.55 - Not Applicable
08/27/2026 08 PM PDT 3.99 - Not Applicable
08/27/2026 09 PM PDT 3.62 - Not Applicable
08/27/2026 10 PM PDT 3.59 - Not Applicable
08/27/2026 11 PM PDT 4.15 + Not Applicable
08/28/2026 12 AM PDT 5.05 + Not Applicable
08/28/2026 01 AM PDT 5.70 + Not Applicable
08/28/2026 02 AM PDT 6.17 + Not Applicable
08/28/2026 03 AM PDT 6.41 + Not Applicable
08/28/2026 04 AM PDT 6.38 - Not Applicable
08/28/2026 05 AM PDT 5.88 - Not Applicable
08/28/2026 06 AM PDT 4.99 - Not Applicable
08/28/2026 07 AM PDT 4.26 - Not Applicable
08/28/2026 08 AM PDT 3.70 - Not Applicable
08/28/2026 09 AM PDT 3.21 - Not Applicable
08/28/2026 10 AM PDT 2.77 - Not Applicable
08/28/2026 11 AM PDT 2.60 - Not Applicable
08/28/2026 12 PM PDT 3.15 + Not Applicable
08/28/2026 01 PM PDT 4.23 + Not Applicable
08/28/2026 02 PM PDT 4.98 + Not Applicable
08/28/2026 03 PM PDT 5.41 + Not Applicable
08/28/2026 04 PM PDT 5.69 + Not Applicable
08/28/2026 05 PM PDT 5.78 + Not Applicable
08/28/2026 06 PM PDT 5.49 - Not Applicable
08/28/2026 07 PM PDT 4.76 - Not Applicable
08/28/2026 08 PM PDT 4.09 - Not Applicable
08/28/2026 09 PM PDT 3.56 - Not Applicable
08/28/2026 10 PM PDT 3.28 - Not Applicable
08/28/2026 11 PM PDT 3.37 + Not Applicable
08/29/2026 12 AM PDT 4.16 + Not Applicable
08/29/2026 01 AM PDT 5.06 + Not Applicable
08/29/2026 02 AM PDT 5.68 + Not Applicable
08/29/2026 03 AM PDT 6.08 + Not Applicable
08/29/2026 04 AM PDT 6.26 + Not Applicable
08/29/2026 05 AM PDT 6.12 - Not Applicable
08/29/2026 06 AM PDT 5.46 - Not Applicable
08/29/2026 07 AM PDT 4.61 - Not Applicable
08/29/2026 08 AM PDT 3.92 - Not Applicable
08/29/2026 09 AM PDT 3.43 - Not Applicable
08/29/2026 10 AM PDT 2.98 - Not Applicable
08/29/2026 11 AM PDT 2.66 - Not Applicable
08/29/2026 12 PM PDT 2.85 + Not Applicable
08/29/2026 01 PM PDT 3.89 + Not Applicable
08/29/2026 02 PM PDT 4.85 + Not Applicable
08/29/2026 03 PM PDT 5.38 + Not Applicable
08/29/2026 04 PM PDT 5.76 + Not Applicable
08/29/2026 05 PM PDT 5.95 + Not Applicable
08/29/2026 06 PM PDT 5.87 - Not Applicable
08/29/2026 07 PM PDT 5.32 - Not Applicable
08/29/2026 08 PM PDT 4.53 - Not Applicable
08/29/2026 09 PM PDT 3.89 - Not Applicable
08/29/2026 10 PM PDT 3.48 - Not Applicable
08/29/2026 11 PM PDT 3.25 - Not Applicable
08/30/2026 12 AM PDT 3.44 + Not Applicable
08/30/2026 01 AM PDT 4.31 + Not Applicable
08/30/2026 02 AM PDT 5.17 + Not Applicable
08/30/2026 03 AM PDT 5.68 + Not Applicable
08/30/2026 04 AM PDT 5.99 + Not Applicable
08/30/2026 05 AM PDT 6.11 + Not Applicable
08/30/2026 06 AM PDT 5.84 - Not Applicable
08/30/2026 07 AM PDT 5.09 - Not Applicable
08/30/2026 08 AM PDT 4.34 - Not Applicable
08/30/2026 09 AM PDT 3.71 - Not Applicable
08/30/2026 10 AM PDT 3.24 - Not Applicable
08/30/2026 11 AM PDT 2.89 - Not Applicable
08/30/2026 12 PM PDT 2.83 - Not Applicable
08/30/2026 01 PM PDT 3.58 + Not Applicable
08/30/2026 02 PM PDT 4.66 + Not Applicable
08/30/2026 03 PM PDT 5.28 + Not Applicable
08/30/2026 04 PM PDT 5.79 + Not Applicable
08/30/2026 05 PM PDT 6.07 + Not Applicable
08/30/2026 06 PM PDT 6.14 + Not Applicable
08/30/2026 07 PM PDT 5.78 - Not Applicable
08/30/2026 08 PM PDT 4.99 - Not Applicable
08/30/2026 09 PM PDT 4.27 - Not Applicable
08/30/2026 10 PM PDT 3.69 - Not Applicable
08/30/2026 11 PM PDT 3.30 - Not Applicable
08/31/2026 12 AM PDT 3.11 - Not Applicable
08/31/2026 01 AM PDT 3.45 + Not Applicable
08/31/2026 02 AM PDT 4.40 + Not Applicable
08/31/2026 03 AM PDT 5.17 + Not Applicable
08/31/2026 04 AM PDT 5.62 + Not Applicable
08/31/2026 05 AM PDT 5.90 + Not Applicable
08/31/2026 06 AM PDT 5.72 - Not Applicable
08/31/2026 07 AM PDT 5.22 - Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Trend Forecast Status
# ------------------------------------------------------------------
08/31/2026 08 AM PDT 4.56 Not Applicable
08/31/2026 09 AM PDT 3.89 - Not Applicable
08/31/2026 10 AM PDT 3.40 - Not Applicable
08/31/2026 11 AM PDT 3.25 - Not Applicable
08/31/2026 12 PM PDT 3.52 + Not Applicable
08/31/2026 01 PM PDT 4.12 + Not Applicable
08/31/2026 02 PM PDT 4.97 + Not Applicable
08/31/2026 03 PM PDT 5.78 + Not Applicable
08/31/2026 04 PM PDT 6.36 + Not Applicable
08/31/2026 05 PM PDT 6.58 + Not Applicable
08/31/2026 06 PM PDT 6.41 - Not Applicable
08/31/2026 07 PM PDT 5.93 - Not Applicable
08/31/2026 08 PM PDT 5.27 - Not Applicable
08/31/2026 09 PM PDT 4.53 - Not Applicable
08/31/2026 10 PM PDT 3.85 - Not Applicable
08/31/2026 11 PM PDT 3.40 - Not Applicable
09/01/2026 12 AM PDT 3.23 - Not Applicable
09/01/2026 01 AM PDT 3.41 + Not Applicable
09/01/2026 02 AM PDT 3.85 + Not Applicable
09/01/2026 03 AM PDT 4.46 + Not Applicable
09/01/2026 04 AM PDT 5.02 + Not Applicable
09/01/2026 05 AM PDT 5.46 + Not Applicable
09/01/2026 06 AM PDT 5.59 + Not Applicable
09/01/2026 07 AM PDT 5.44 - Not Applicable
09/01/2026 08 AM PDT 5.00 - Not Applicable
09/01/2026 09 AM PDT 4.47 - Not Applicable
09/01/2026 10 AM PDT 3.90 - Not Applicable
09/01/2026 11 AM PDT 3.54 - Not Applicable
09/01/2026 12 PM PDT 3.42 - Not Applicable
09/01/2026 01 PM PDT 3.69 + Not Applicable
09/01/2026 02 PM PDT 4.30 + Not Applicable
09/01/2026 03 PM PDT 5.11 + Not Applicable
09/01/2026 04 PM PDT 5.89 + Not Applicable
09/01/2026 05 PM PDT 6.47 + Not Applicable
09/01/2026 06 PM PDT 6.68 + Not Applicable
09/01/2026 07 PM PDT 6.50 - Not Applicable
09/01/2026 08 PM PDT 5.97 - Not Applicable
09/01/2026 09 PM PDT 5.29 - Not Applicable
09/01/2026 10 PM PDT 4.50 - Not Applicable
09/01/2026 11 PM PDT 3.77 - Not Applicable
09/02/2026 12 AM PDT 3.29 - Not Applicable
09/02/2026 01 AM PDT 3.09 - Not Applicable
09/02/2026 02 AM PDT 3.19 + Not Applicable
09/02/2026 03 AM PDT 3.51 + Not Applicable
09/02/2026 04 AM PDT 3.92 + Not Applicable
09/02/2026 05 AM PDT 4.44 + Not Applicable
09/02/2026 06 AM PDT 4.86 + Not Applicable
09/02/2026 07 AM PDT 5.17 + Not Applicable
09/02/2026 08 AM PDT 5.25 + Not Applicable
09/02/2026 09 AM PDT 5.04 - Not Applicable
09/02/2026 10 AM PDT 4.63 - Not Applicable
09/02/2026 11 AM PDT 4.14 - Not Applicable
09/02/2026 12 PM PDT 3.76 - Not Applicable
09/02/2026 01 PM PDT 3.65 - Not Applicable
09/02/2026 02 PM PDT 3.88 + Not Applicable
09/02/2026 03 PM PDT 4.48 + Not Applicable
09/02/2026 04 PM PDT 5.24 + Not Applicable
09/02/2026 05 PM PDT 5.95 + Not Applicable
09/02/2026 06 PM PDT 6.50 + Not Applicable
09/02/2026 07 PM PDT 6.69 + Not Applicable
09/02/2026 08 PM PDT 6.50 - Not Applicable
09/02/2026 09 PM PDT 5.96 - Not Applicable
09/02/2026 10 PM PDT 5.26 - Not Applicable
09/02/2026 11 PM PDT 4.45 - Not Applicable
09/03/2026 12 AM PDT 3.71 - Not Applicable
09/03/2026 01 AM PDT 3.22 - Not Applicable
09/03/2026 02 AM PDT 3.01 - Not Applicable
09/03/2026 03 AM PDT 3.09 + Not Applicable
09/03/2026 04 AM PDT 3.39 + Not Applicable
09/03/2026 05 AM PDT 3.76 + Not Applicable
09/03/2026 06 AM PDT 4.23 + Not Applicable
09/03/2026 07 AM PDT 4.62 + Not Applicable
09/03/2026 08 AM PDT 4.88 + Not Applicable
09/03/2026 09 AM PDT 4.97 + Not Applicable
09/03/2026 10 AM PDT 4.83 - Not Applicable
09/03/2026 11 AM PDT 4.55 - Not Applicable
09/03/2026 12 PM PDT 4.21 - Not Applicable
09/03/2026 01 PM PDT 3.92 - Not Applicable
09/03/2026 02 PM PDT 3.88 - Not Applicable
09/03/2026 03 PM PDT 4.24 + Not Applicable
09/03/2026 04 PM PDT 4.91 + Not Applicable
09/03/2026 05 PM PDT 5.69 + Not Applicable
09/03/2026 06 PM PDT 6.32 + Not Applicable
09/03/2026 07 PM PDT 6.59 + Not Applicable
09/03/2026 08 PM PDT 6.51 - Not Applicable
09/03/2026 09 PM PDT 6.18 - Not Applicable
09/03/2026 10 PM PDT 5.66 - Not Applicable
09/03/2026 11 PM PDT 5.07 - Not Applicable
09/04/2026 12 AM PDT 4.41 - Not Applicable
09/04/2026 01 AM PDT 3.76 - Not Applicable
09/04/2026 02 AM PDT 3.29 - Not Applicable
09/04/2026 03 AM PDT 2.93 - Not Applicable
09/04/2026 04 AM PDT 2.82 - Not Applicable
09/04/2026 05 AM PDT 2.99 + Not Applicable
09/04/2026 06 AM PDT 3.38 + Not Applicable
09/04/2026 07 AM PDT 3.87 + Not Applicable
09/04/2026 08 AM PDT 4.38 + Not Applicable
09/04/2026 09 AM PDT 4.71 + Not Applicable
09/04/2026 10 AM PDT 4.86 + Not Applicable
09/04/2026 11 AM PDT 4.77 - Not Applicable
09/04/2026 12 PM PDT 4.55 - Not Applicable
09/04/2026 01 PM PDT 4.28 - Not Applicable
09/04/2026 02 PM PDT 4.07 - Not Applicable
09/04/2026 03 PM PDT 4.02 - Not Applicable
09/04/2026 04 PM PDT 4.23 + Not Applicable
09/04/2026 05 PM PDT 4.66 + Not Applicable
09/04/2026 06 PM PDT 5.27 + Not Applicable
09/04/2026 07 PM PDT 5.84 + Not Applicable
09/04/2026 08 PM PDT 6.27 + Not Applicable
09/04/2026 09 PM PDT 6.42 + Not Applicable
09/04/2026 10 PM PDT 6.26 - Not Applicable
09/04/2026 11 PM PDT 5.82 - Not Applicable
09/05/2026 12 AM PDT 5.21 - Not Applicable
09/05/2026 01 AM PDT 4.47 - Not Applicable
09/05/2026 02 AM PDT 3.73 - Not Applicable
09/05/2026 03 AM PDT 3.14 - Not Applicable
09/05/2026 04 AM PDT 2.70 - Not Applicable
09/05/2026 05 AM PDT 2.55 - 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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