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MORMON SLOUGH - BELLOTA (MSGC1)
| Latitude: 38.05º N | Longitude: 121.01º W | Elevation: 130 Feet | | Forecast Type: Official Location |
| Location: San Joaquin County in California | Bulletin Group: San Joaquin | River Group: North San Joaquin |
| Issuance Time: | May 15 2026 at 7:53 AM PDT | Next Issuance: | May 16 2026 at 9:00 AM PDT
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| Action/Monitor: 16.0 Feet | Minor Flood: 22.0 Feet | Moderate Flood: 30.9 Feet | Major Flood: 31.9 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Mormon Slough - Bellota (MSGC1)
#
# File Generation Time: 05/15/2026 at 07:55 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 05/15/2026 at 05:00 AM PDT
# Maximum Observed Stage: 4.00 Feet
# Maximum Observed Flow: 93 cfs
#
# Earliest Date & Time of Maximum Forecast: 05/15/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 3.97 Feet
# Maximum Forecast Flow: 88 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
05/10/2026 07 AM PDT 3.84 68 Normal
05/10/2026 08 AM PDT 3.84 68 0 Normal
05/10/2026 09 AM PDT 3.84 68 0 Normal
05/10/2026 10 AM PDT 3.85 69 + Normal
05/10/2026 11 AM PDT 3.85 69 0 Normal
05/10/2026 12 PM PDT 3.85 69 0 Normal
05/10/2026 01 PM PDT 3.85 69 0 Normal
05/10/2026 02 PM PDT 3.86 71 + Normal
05/10/2026 03 PM PDT 3.86 71 0 Normal
05/10/2026 04 PM PDT 3.86 71 0 Normal
05/10/2026 05 PM PDT 3.86 71 0 Normal
05/10/2026 06 PM PDT 3.87 72 + Normal
05/10/2026 07 PM PDT 3.86 71 - Normal
05/10/2026 08 PM PDT 3.87 72 + Normal
05/10/2026 09 PM PDT 3.87 72 0 Normal
05/10/2026 10 PM PDT 3.87 72 0 Normal
05/10/2026 11 PM PDT 3.86 71 - Normal
05/11/2026 12 AM PDT 3.87 72 + Normal
05/11/2026 01 AM PDT 3.87 72 0 Normal
05/11/2026 02 AM PDT 3.87 72 0 Normal
05/11/2026 03 AM PDT 3.87 72 0 Normal
05/11/2026 04 AM PDT 3.87 72 0 Normal
05/11/2026 05 AM PDT 3.87 72 0 Normal
05/11/2026 06 AM PDT 3.87 72 0 Normal
05/11/2026 07 AM PDT 3.87 72 0 Normal
05/11/2026 08 AM PDT 3.87 72 0 Normal
05/11/2026 09 AM PDT 3.84 68 - Normal
05/11/2026 10 AM PDT 3.82 65 - Normal
05/11/2026 11 AM PDT 3.82 65 0 Normal
05/11/2026 12 PM PDT 3.82 65 0 Normal
05/11/2026 01 PM PDT 3.91 78 + Normal
05/11/2026 02 PM PDT 3.91 78 0 Normal
05/11/2026 03 PM PDT 3.91 78 0 Normal
05/11/2026 04 PM PDT 3.91 78 0 Normal
05/11/2026 05 PM PDT 3.91 78 0 Normal
05/11/2026 06 PM PDT 3.91 78 0 Normal
05/11/2026 07 PM PDT 3.90 76 - Normal
05/11/2026 08 PM PDT 3.90 76 0 Normal
05/11/2026 09 PM PDT 3.90 76 0 Normal
05/11/2026 10 PM PDT 3.90 76 0 Normal
05/11/2026 11 PM PDT 3.90 76 0 Normal
05/12/2026 12 AM PDT 3.90 76 0 Normal
05/12/2026 01 AM PDT 3.89 75 - Normal
05/12/2026 02 AM PDT 3.89 75 0 Normal
05/12/2026 03 AM PDT 3.89 75 0 Normal
05/12/2026 04 AM PDT 3.89 75 0 Normal
05/12/2026 05 AM PDT 3.89 75 0 Normal
05/12/2026 06 AM PDT 3.89 75 0 Normal
05/12/2026 07 AM PDT 3.89 75 0 Normal
05/12/2026 08 AM PDT 3.93 81 + Normal
05/12/2026 09 AM PDT 3.93 81 0 Normal
05/12/2026 10 AM PDT 3.93 81 0 Normal
05/12/2026 11 AM PDT 3.92 80 - Normal
05/12/2026 12 PM PDT 3.92 80 0 Normal
05/12/2026 01 PM PDT 3.92 80 0 Normal
05/12/2026 02 PM PDT 3.99 91 + Normal
05/12/2026 03 PM PDT 3.98 89 - Normal
05/12/2026 04 PM PDT 3.97 88 - Normal
05/12/2026 05 PM PDT 3.95 84 - Normal
05/12/2026 06 PM PDT 3.88 73 - Normal
05/12/2026 07 PM PDT 3.87 72 - Normal
05/12/2026 08 PM PDT 3.87 72 0 Normal
05/12/2026 09 PM PDT 3.88 73 + Normal
05/12/2026 10 PM PDT 3.91 78 + Normal
05/12/2026 11 PM PDT 3.94 83 + Normal
05/13/2026 12 AM PDT 3.96 86 + Normal
05/13/2026 01 AM PDT 3.97 88 + Normal
05/13/2026 02 AM PDT 3.98 89 + Normal
05/13/2026 03 AM PDT 3.98 89 0 Normal
05/13/2026 04 AM PDT 3.97 88 - Normal
05/13/2026 05 AM PDT 3.96 86 - Normal
05/13/2026 06 AM PDT 3.95 84 - Normal
05/13/2026 07 AM PDT 3.96 86 + Normal
05/13/2026 08 AM PDT 3.96 86 0 Normal
05/13/2026 09 AM PDT 3.96 86 0 Normal
05/13/2026 10 AM PDT 3.96 86 0 Normal
05/13/2026 11 AM PDT 3.96 86 0 Normal
05/13/2026 12 PM PDT 3.96 86 0 Normal
05/13/2026 01 PM PDT 3.96 86 0 Normal
05/13/2026 02 PM PDT 3.96 86 0 Normal
05/13/2026 03 PM PDT 3.96 86 0 Normal
05/13/2026 04 PM PDT 3.96 86 0 Normal
05/13/2026 05 PM PDT 3.96 86 0 Normal
05/13/2026 06 PM PDT 3.92 80 - Normal
05/13/2026 07 PM PDT 3.92 80 0 Normal
05/13/2026 08 PM PDT 3.92 80 0 Normal
05/13/2026 09 PM PDT 3.92 80 0 Normal
05/13/2026 10 PM PDT 3.92 80 0 Normal
05/13/2026 11 PM PDT 3.93 81 + Normal
05/14/2026 12 AM PDT 3.93 81 0 Normal
05/14/2026 01 AM PDT 3.94 83 + Normal
05/14/2026 02 AM PDT 3.96 86 + Normal
05/14/2026 03 AM PDT 3.97 88 + Normal
05/14/2026 04 AM PDT 3.98 89 + Normal
05/14/2026 05 AM PDT 3.99 91 + Normal
05/14/2026 06 AM PDT 3.99 91 0 Normal
05/14/2026 07 AM PDT 3.99 91 0 Normal
05/14/2026 08 AM PDT 3.99 91 0 Normal
05/14/2026 09 AM PDT 3.98 89 - Normal
05/14/2026 10 AM PDT 3.99 91 + Normal
05/14/2026 11 AM PDT 3.99 91 0 Normal
05/14/2026 12 PM PDT 3.99 91 0 Normal
05/14/2026 01 PM PDT 3.99 91 0 Normal
05/14/2026 02 PM PDT 4.00 93 + Normal
05/14/2026 03 PM PDT 3.98 89 - Normal
05/14/2026 04 PM PDT 3.98 89 0 Normal
05/14/2026 05 PM PDT 3.98 89 0 Normal
05/14/2026 06 PM PDT 3.98 89 0 Normal
05/14/2026 07 PM PDT 3.99 91 + Normal
05/14/2026 08 PM PDT 3.99 91 0 Normal
05/14/2026 09 PM PDT 3.99 91 0 Normal
05/14/2026 10 PM PDT 3.99 91 0 Normal
05/14/2026 11 PM PDT 3.99 91 0 Normal
05/15/2026 12 AM PDT 3.99 91 0 Normal
05/15/2026 01 AM PDT 3.99 91 0 Normal
05/15/2026 02 AM PDT 4.00 93 + Normal
05/15/2026 03 AM PDT 3.99 91 - Normal
05/15/2026 04 AM PDT 4.00 93 + Normal
05/15/2026 05 AM PDT 4.00 93 0 Normal
05/15/2026 06 AM PDT 3.99 91 - Normal
05/15/2026 07 AM PDT 3.98 89 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
05/15/2026 08 AM PDT 3.97 88 Normal
05/15/2026 09 AM PDT 3.97 88 0 Normal
05/15/2026 10 AM PDT 3.96 86 - Normal
05/15/2026 11 AM PDT 3.96 86 0 Normal
05/15/2026 12 PM PDT 3.96 86 0 Normal
05/15/2026 01 PM PDT 3.95 84 - Normal
05/15/2026 02 PM PDT 3.95 84 0 Normal
05/15/2026 03 PM PDT 3.95 84 0 Normal
05/15/2026 04 PM PDT 3.95 84 0 Normal
05/15/2026 05 PM PDT 3.95 84 0 Normal
05/15/2026 06 PM PDT 3.93 81 - Normal
05/15/2026 07 PM PDT 3.93 81 0 Normal
05/15/2026 08 PM PDT 3.93 81 0 Normal
05/15/2026 09 PM PDT 3.93 81 0 Normal
05/15/2026 10 PM PDT 3.93 81 0 Normal
05/15/2026 11 PM PDT 3.93 81 0 Normal
05/16/2026 12 AM PDT 3.94 83 + Normal
05/16/2026 01 AM PDT 3.94 83 0 Normal
05/16/2026 02 AM PDT 3.94 83 0 Normal
05/16/2026 03 AM PDT 3.94 83 0 Normal
05/16/2026 04 AM PDT 3.94 83 0 Normal
05/16/2026 05 AM PDT 3.94 83 0 Normal
05/16/2026 06 AM PDT 3.94 83 0 Normal
05/16/2026 07 AM PDT 3.94 83 0 Normal
05/16/2026 08 AM PDT 3.94 83 0 Normal
05/16/2026 09 AM PDT 3.94 83 0 Normal
05/16/2026 10 AM PDT 3.94 83 0 Normal
05/16/2026 11 AM PDT 3.94 83 0 Normal
05/16/2026 12 PM PDT 3.94 83 0 Normal
05/16/2026 01 PM PDT 3.94 83 0 Normal
05/16/2026 02 PM PDT 3.93 81 - Normal
05/16/2026 03 PM PDT 3.93 81 0 Normal
05/16/2026 04 PM PDT 3.93 81 0 Normal
05/16/2026 05 PM PDT 3.93 81 0 Normal
05/16/2026 06 PM PDT 3.93 81 0 Normal
05/16/2026 07 PM PDT 3.93 81 0 Normal
05/16/2026 08 PM PDT 3.93 81 0 Normal
05/16/2026 09 PM PDT 3.93 81 0 Normal
05/16/2026 10 PM PDT 3.93 81 0 Normal
05/16/2026 11 PM PDT 3.93 81 0 Normal
05/17/2026 12 AM PDT 3.93 81 0 Normal
05/17/2026 01 AM PDT 3.93 81 0 Normal
05/17/2026 02 AM PDT 3.93 81 0 Normal
05/17/2026 03 AM PDT 3.93 81 0 Normal
05/17/2026 04 AM PDT 3.93 81 0 Normal
05/17/2026 05 AM PDT 3.93 81 0 Normal
05/17/2026 06 AM PDT 3.93 81 0 Normal
05/17/2026 07 AM PDT 3.93 81 0 Normal
05/17/2026 08 AM PDT 3.93 81 0 Normal
05/17/2026 09 AM PDT 3.93 81 0 Normal
05/17/2026 10 AM PDT 3.93 81 0 Normal
05/17/2026 11 AM PDT 3.93 81 0 Normal
05/17/2026 12 PM PDT 3.93 81 0 Normal
05/17/2026 01 PM PDT 3.93 81 0 Normal
05/17/2026 02 PM PDT 3.93 81 0 Normal
05/17/2026 03 PM PDT 3.93 81 0 Normal
05/17/2026 04 PM PDT 3.93 81 0 Normal
05/17/2026 05 PM PDT 3.93 81 0 Normal
05/17/2026 06 PM PDT 3.92 80 - Normal
05/17/2026 07 PM PDT 3.92 80 0 Normal
05/17/2026 08 PM PDT 3.92 80 0 Normal
05/17/2026 09 PM PDT 3.92 80 0 Normal
05/17/2026 10 PM PDT 3.92 80 0 Normal
05/17/2026 11 PM PDT 3.92 80 0 Normal
05/18/2026 12 AM PDT 3.92 80 0 Normal
05/18/2026 01 AM PDT 3.92 80 0 Normal
05/18/2026 02 AM PDT 3.92 80 0 Normal
05/18/2026 03 AM PDT 3.92 80 0 Normal
05/18/2026 04 AM PDT 3.92 80 0 Normal
05/18/2026 05 AM PDT 3.92 80 0 Normal
05/18/2026 06 AM PDT 3.92 80 0 Normal
05/18/2026 07 AM PDT 3.92 80 0 Normal
05/18/2026 08 AM PDT 3.92 80 0 Normal
05/18/2026 09 AM PDT 3.92 80 0 Normal
05/18/2026 10 AM PDT 3.92 80 0 Normal
05/18/2026 11 AM PDT 3.92 80 0 Normal
05/18/2026 12 PM PDT 3.92 80 0 Normal
05/18/2026 01 PM PDT 3.92 80 0 Normal
05/18/2026 02 PM PDT 3.92 80 0 Normal
05/18/2026 03 PM PDT 3.92 80 0 Normal
05/18/2026 04 PM PDT 3.92 80 0 Normal
05/18/2026 05 PM PDT 3.92 80 0 Normal
05/18/2026 06 PM PDT 3.91 78 - Normal
05/18/2026 07 PM PDT 3.91 78 0 Normal
05/18/2026 08 PM PDT 3.91 78 0 Normal
05/18/2026 09 PM PDT 3.91 78 0 Normal
05/18/2026 10 PM PDT 3.91 78 0 Normal
05/18/2026 11 PM PDT 3.91 78 0 Normal
05/19/2026 12 AM PDT 3.91 78 0 Normal
05/19/2026 01 AM PDT 3.91 78 0 Normal
05/19/2026 02 AM PDT 3.91 78 0 Normal
05/19/2026 03 AM PDT 3.91 78 0 Normal
05/19/2026 04 AM PDT 3.91 78 0 Normal
05/19/2026 05 AM PDT 3.91 78 0 Normal
05/19/2026 06 AM PDT 3.91 78 0 Normal
05/19/2026 07 AM PDT 3.91 78 0 Normal
05/19/2026 08 AM PDT 3.91 78 0 Normal
05/19/2026 09 AM PDT 3.91 78 0 Normal
05/19/2026 10 AM PDT 3.91 78 0 Normal
05/19/2026 11 AM PDT 3.91 78 0 Normal
05/19/2026 12 PM PDT 3.91 78 0 Normal
05/19/2026 01 PM PDT 3.91 78 0 Normal
05/19/2026 02 PM PDT 3.91 78 0 Normal
05/19/2026 03 PM PDT 3.91 78 0 Normal
05/19/2026 04 PM PDT 3.91 78 0 Normal
05/19/2026 05 PM PDT 3.91 78 0 Normal
05/19/2026 06 PM PDT 3.90 76 - Normal
05/19/2026 07 PM PDT 3.90 76 0 Normal
05/19/2026 08 PM PDT 3.90 76 0 Normal
05/19/2026 09 PM PDT 3.90 76 0 Normal
05/19/2026 10 PM PDT 3.90 76 0 Normal
05/19/2026 11 PM PDT 3.90 76 0 Normal
05/20/2026 12 AM PDT 3.90 76 0 Normal
05/20/2026 01 AM PDT 3.90 76 0 Normal
05/20/2026 02 AM PDT 3.90 76 0 Normal
05/20/2026 03 AM PDT 3.90 76 0 Normal
05/20/2026 04 AM PDT 3.90 76 0 Normal
05/20/2026 05 AM PDT 3.90 76 0 Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.
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