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LAGUNA DE SANTA ROSA - SEBASTOPOL (LSEC1)
| Latitude: 38.43º N | Longitude: 122.83º W | Elevation: 50 Feet | | Forecast Type: Unofficial Location |
| Location: Sonoma County in California | Bulletin Group: Russian Napa | River Group: Russian Napa |
| Issuance Time: | Mar 13 2026 at 1:07 PM PDT | Next Issuance: | Mar 14 2026 at 9:00 AM PDT
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| Action/Monitor: 67.0 Feet | Minor Flood: 69.0 Feet | Moderate Flood: N/A | Major Flood: N/A |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Laguna De Santa Rosa - Sebastopol (LSEC1)
#
# File Generation Time: 03/13/2026 at 01:08 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 03/08/2026 at 01:00 PM PDT
# Maximum Observed Stage: 57.51 Feet
# Maximum Observed Flow: 41 cfs
#
# Earliest Date & Time of Maximum Forecast: 03/13/2026 at 02:00 PM PDT
# Maximum Forecast Stage: 57.09 Feet
# Maximum Forecast Flow: 27 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
03/08/2026 01 PM PDT 57.51 41 Normal
03/08/2026 02 PM PDT 57.50 41 - Normal
03/08/2026 03 PM PDT 57.50 41 0 Normal
03/08/2026 04 PM PDT 57.49 40 - Normal
03/08/2026 05 PM PDT 57.49 40 0 Normal
03/08/2026 06 PM PDT 57.49 40 0 Normal
03/08/2026 07 PM PDT 57.48 40 - Normal
03/08/2026 08 PM PDT 57.47 40 - Normal
03/08/2026 09 PM PDT 57.47 40 0 Normal
03/08/2026 10 PM PDT 57.46 39 - Normal
03/08/2026 11 PM PDT 57.46 39 0 Normal
03/09/2026 12 AM PDT 57.46 39 0 Normal
03/09/2026 01 AM PDT 57.45 39 - Normal
03/09/2026 02 AM PDT 57.45 39 0 Normal
03/09/2026 03 AM PDT 57.44 38 - Normal
03/09/2026 04 AM PDT 57.44 38 0 Normal
03/09/2026 05 AM PDT 57.43 38 - Normal
03/09/2026 06 AM PDT 57.43 38 0 Normal
03/09/2026 07 AM PDT 57.43 38 0 Normal
03/09/2026 08 AM PDT 57.42 38 - Normal
03/09/2026 09 AM PDT 57.42 38 0 Normal
03/09/2026 10 AM PDT 57.42 38 0 Normal
03/09/2026 11 AM PDT 57.41 37 - Normal
03/09/2026 12 PM PDT 57.41 37 0 Normal
03/09/2026 01 PM PDT 57.41 37 0 Normal
03/09/2026 02 PM PDT 57.40 37 - Normal
03/09/2026 03 PM PDT 57.40 37 0 Normal
03/09/2026 04 PM PDT 57.40 37 0 Normal
03/09/2026 05 PM PDT 57.39 36 - Normal
03/09/2026 06 PM PDT 57.39 36 0 Normal
03/09/2026 07 PM PDT 57.38 36 - Normal
03/09/2026 08 PM PDT 57.38 36 0 Normal
03/09/2026 09 PM PDT 57.37 36 - Normal
03/09/2026 10 PM PDT 57.37 36 0 Normal
03/09/2026 11 PM PDT 57.37 36 0 Normal
03/10/2026 12 AM PDT 57.36 35 - Normal
03/10/2026 01 AM PDT 57.36 35 0 Normal
03/10/2026 02 AM PDT 57.35 35 - Normal
03/10/2026 03 AM PDT 57.35 35 0 Normal
03/10/2026 04 AM PDT 57.35 35 0 Normal
03/10/2026 05 AM PDT 57.34 35 - Normal
03/10/2026 06 AM PDT 57.34 35 0 Normal
03/10/2026 07 AM PDT 57.34 35 0 Normal
03/10/2026 08 AM PDT 57.33 34 - Normal
03/10/2026 09 AM PDT 57.33 34 0 Normal
03/10/2026 10 AM PDT 57.33 34 0 Normal
03/10/2026 11 AM PDT 57.32 34 - Normal
03/10/2026 12 PM PDT 57.32 34 0 Normal
03/10/2026 01 PM PDT 57.32 34 0 Normal
03/10/2026 02 PM PDT 57.31 33 - Normal
03/10/2026 03 PM PDT 57.31 33 0 Normal
03/10/2026 04 PM PDT 57.31 33 0 Normal
03/10/2026 05 PM PDT 57.30 33 - Normal
03/10/2026 06 PM PDT 57.30 33 0 Normal
03/10/2026 07 PM PDT 57.30 33 0 Normal
03/10/2026 08 PM PDT 57.29 33 - Normal
03/10/2026 09 PM PDT 57.29 33 0 Normal
03/10/2026 10 PM PDT 57.28 32 - Normal
03/10/2026 11 PM PDT 57.28 32 0 Normal
03/11/2026 12 AM PDT 57.28 32 0 Normal
03/11/2026 01 AM PDT 57.27 32 - Normal
03/11/2026 02 AM PDT 57.27 32 0 Normal
03/11/2026 03 AM PDT 57.27 32 0 Normal
03/11/2026 04 AM PDT 57.26 32 - Normal
03/11/2026 05 AM PDT 57.26 32 0 Normal
03/11/2026 06 AM PDT 57.26 32 0 Normal
03/11/2026 07 AM PDT 57.25 31 - Normal
03/11/2026 08 AM PDT 57.25 31 0 Normal
03/11/2026 09 AM PDT 57.25 31 0 Normal
03/11/2026 10 AM PDT 57.25 31 0 Normal
03/11/2026 11 AM PDT 57.24 31 - Normal
03/11/2026 12 PM PDT 57.24 31 0 Normal
03/11/2026 01 PM PDT 57.24 31 0 Normal
03/11/2026 02 PM PDT 57.23 31 - Normal
03/11/2026 03 PM PDT 57.23 31 0 Normal
03/11/2026 04 PM PDT 57.23 31 0 Normal
03/11/2026 05 PM PDT 57.23 31 0 Normal
03/11/2026 06 PM PDT 57.22 30 - Normal
03/11/2026 07 PM PDT 57.22 30 0 Normal
03/11/2026 08 PM PDT 57.22 30 0 Normal
03/11/2026 09 PM PDT 57.21 30 - Normal
03/11/2026 10 PM PDT 57.21 30 0 Normal
03/11/2026 11 PM PDT 57.20 30 - Normal
03/12/2026 12 AM PDT 57.20 30 0 Normal
03/12/2026 01 AM PDT 57.20 30 0 Normal
03/12/2026 02 AM PDT 57.19 30 - Normal
03/12/2026 03 AM PDT 57.19 30 0 Normal
03/12/2026 04 AM PDT 57.19 30 0 Normal
03/12/2026 05 AM PDT 57.18 29 - Normal
03/12/2026 06 AM PDT 57.18 29 0 Normal
03/12/2026 07 AM PDT 57.18 29 0 Normal
03/12/2026 08 AM PDT 57.18 29 0 Normal
03/12/2026 09 AM PDT 57.17 29 - Normal
03/12/2026 10 AM PDT 57.17 29 0 Normal
03/12/2026 11 AM PDT 57.17 29 0 Normal
03/12/2026 12 PM PDT 57.17 29 0 Normal
03/12/2026 01 PM PDT 57.16 29 - Normal
03/12/2026 02 PM PDT 57.16 29 0 Normal
03/12/2026 03 PM PDT 57.16 29 0 Normal
03/12/2026 04 PM PDT 57.16 29 0 Normal
03/12/2026 05 PM PDT 57.15 28 - Normal
03/12/2026 06 PM PDT 57.15 28 0 Normal
03/12/2026 07 PM PDT 57.15 28 0 Normal
03/12/2026 08 PM PDT 57.14 28 - Normal
03/12/2026 09 PM PDT 57.14 28 0 Normal
03/12/2026 10 PM PDT 57.13 28 - Normal
03/12/2026 11 PM PDT 57.13 28 0 Normal
03/13/2026 12 AM PDT 57.13 28 0 Normal
03/13/2026 01 AM PDT 57.12 27 - Normal
03/13/2026 02 AM PDT 57.12 27 0 Normal
03/13/2026 03 AM PDT 57.12 27 0 Normal
03/13/2026 04 AM PDT 57.12 27 0 Normal
03/13/2026 05 AM PDT 57.11 27 - Normal
03/13/2026 06 AM PDT 57.11 27 0 Normal
03/13/2026 07 AM PDT 57.11 27 0 Normal
03/13/2026 08 AM PDT 57.11 27 0 Normal
03/13/2026 09 AM PDT 57.11 27 0 Normal
03/13/2026 10 AM PDT 57.10 27 - Normal
03/13/2026 11 AM PDT 57.10 27 0 Normal
03/13/2026 12 PM PDT 57.10 27 0 Normal
03/13/2026 01 PM PDT 57.09 27 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
03/13/2026 02 PM PDT 57.09 27 Normal
03/13/2026 03 PM PDT 57.09 27 0 Normal
03/13/2026 04 PM PDT 57.09 27 0 Normal
03/13/2026 05 PM PDT 57.09 27 0 Normal
03/13/2026 06 PM PDT 57.09 27 0 Normal
03/13/2026 07 PM PDT 57.09 27 0 Normal
03/13/2026 08 PM PDT 57.09 27 0 Normal
03/13/2026 09 PM PDT 57.08 26 - Normal
03/13/2026 10 PM PDT 57.08 26 0 Normal
03/13/2026 11 PM PDT 57.08 26 0 Normal
03/14/2026 12 AM PDT 57.08 26 0 Normal
03/14/2026 01 AM PDT 57.08 26 0 Normal
03/14/2026 02 AM PDT 57.08 26 0 Normal
03/14/2026 03 AM PDT 57.08 26 0 Normal
03/14/2026 04 AM PDT 57.07 26 - Normal
03/14/2026 05 AM PDT 57.07 26 0 Normal
03/14/2026 06 AM PDT 57.07 26 0 Normal
03/14/2026 07 AM PDT 57.07 26 0 Normal
03/14/2026 08 AM PDT 57.07 26 0 Normal
03/14/2026 09 AM PDT 57.07 26 0 Normal
03/14/2026 10 AM PDT 57.07 26 0 Normal
03/14/2026 11 AM PDT 57.07 26 0 Normal
03/14/2026 12 PM PDT 57.06 26 - Normal
03/14/2026 01 PM PDT 57.06 26 0 Normal
03/14/2026 02 PM PDT 57.06 26 0 Normal
03/14/2026 03 PM PDT 57.06 26 0 Normal
03/14/2026 04 PM PDT 57.06 26 0 Normal
03/14/2026 05 PM PDT 57.06 26 0 Normal
03/14/2026 06 PM PDT 57.06 26 0 Normal
03/14/2026 07 PM PDT 57.06 26 0 Normal
03/14/2026 08 PM PDT 57.05 25 - Normal
03/14/2026 09 PM PDT 57.05 25 0 Normal
03/14/2026 10 PM PDT 57.05 25 0 Normal
03/14/2026 11 PM PDT 57.05 25 0 Normal
03/15/2026 12 AM PDT 57.05 25 0 Normal
03/15/2026 01 AM PDT 57.05 25 0 Normal
03/15/2026 02 AM PDT 57.05 25 0 Normal
03/15/2026 03 AM PDT 57.05 25 0 Normal
03/15/2026 04 AM PDT 57.05 25 0 Normal
03/15/2026 05 AM PDT 57.05 25 0 Normal
03/15/2026 06 AM PDT 57.05 25 0 Normal
03/15/2026 07 AM PDT 57.04 25 - Normal
03/15/2026 08 AM PDT 57.04 25 0 Normal
03/15/2026 09 AM PDT 57.04 25 0 Normal
03/15/2026 10 AM PDT 57.04 25 0 Normal
03/15/2026 11 AM PDT 57.04 25 0 Normal
03/15/2026 12 PM PDT 57.04 25 0 Normal
03/15/2026 01 PM PDT 57.04 25 0 Normal
03/15/2026 02 PM PDT 57.04 25 0 Normal
03/15/2026 03 PM PDT 57.04 25 0 Normal
03/15/2026 04 PM PDT 57.04 25 0 Normal
03/15/2026 05 PM PDT 57.03 25 - Normal
03/15/2026 06 PM PDT 57.03 25 0 Normal
03/15/2026 07 PM PDT 57.03 25 0 Normal
03/15/2026 08 PM PDT 57.03 25 0 Normal
03/15/2026 09 PM PDT 57.03 25 0 Normal
03/15/2026 10 PM PDT 57.03 25 0 Normal
03/15/2026 11 PM PDT 57.03 25 0 Normal
03/16/2026 12 AM PDT 57.03 25 0 Normal
03/16/2026 01 AM PDT 57.03 25 0 Normal
03/16/2026 02 AM PDT 57.03 25 0 Normal
03/16/2026 03 AM PDT 57.03 25 0 Normal
03/16/2026 04 AM PDT 57.02 24 - Normal
03/16/2026 05 AM PDT 57.02 24 0 Normal
03/16/2026 06 AM PDT 57.02 24 0 Normal
03/16/2026 07 AM PDT 57.02 24 0 Normal
03/16/2026 08 AM PDT 57.02 24 0 Normal
03/16/2026 09 AM PDT 57.02 24 0 Normal
03/16/2026 10 AM PDT 57.02 24 0 Normal
03/16/2026 11 AM PDT 57.02 24 0 Normal
03/16/2026 12 PM PDT 57.02 24 0 Normal
03/16/2026 01 PM PDT 57.02 24 0 Normal
03/16/2026 02 PM PDT 57.02 24 0 Normal
03/16/2026 03 PM PDT 57.02 24 0 Normal
03/16/2026 04 PM PDT 57.02 24 0 Normal
03/16/2026 05 PM PDT 57.01 24 - Normal
03/16/2026 06 PM PDT 57.01 24 0 Normal
03/16/2026 07 PM PDT 57.01 24 0 Normal
03/16/2026 08 PM PDT 57.01 24 0 Normal
03/16/2026 09 PM PDT 57.01 24 0 Normal
03/16/2026 10 PM PDT 57.01 24 0 Normal
03/16/2026 11 PM PDT 57.01 24 0 Normal
03/17/2026 12 AM PDT 57.01 24 0 Normal
03/17/2026 01 AM PDT 57.01 24 0 Normal
03/17/2026 02 AM PDT 57.01 24 0 Normal
03/17/2026 03 AM PDT 57.01 24 0 Normal
03/17/2026 04 AM PDT 57.01 24 0 Normal
03/17/2026 05 AM PDT 57.01 24 0 Normal
03/17/2026 06 AM PDT 57.00 24 - Normal
03/17/2026 07 AM PDT 57.00 24 0 Normal
03/17/2026 08 AM PDT 57.00 24 0 Normal
03/17/2026 09 AM PDT 57.00 24 0 Normal
03/17/2026 10 AM PDT 57.00 24 0 Normal
03/17/2026 11 AM PDT 57.00 24 0 Normal
03/17/2026 12 PM PDT 57.00 24 0 Normal
03/17/2026 01 PM PDT 57.00 24 0 Normal
03/17/2026 02 PM PDT 57.00 24 0 Normal
03/17/2026 03 PM PDT 57.00 24 0 Normal
03/17/2026 04 PM PDT 57.00 24 0 Normal
03/17/2026 05 PM PDT 56.99 24 - Normal
03/17/2026 06 PM PDT 56.99 24 0 Normal
03/17/2026 07 PM PDT 56.99 24 0 Normal
03/17/2026 08 PM PDT 56.99 24 0 Normal
03/17/2026 09 PM PDT 56.99 24 0 Normal
03/17/2026 10 PM PDT 56.99 24 0 Normal
03/17/2026 11 PM PDT 56.99 24 0 Normal
03/18/2026 12 AM PDT 56.99 24 0 Normal
03/18/2026 01 AM PDT 56.99 24 0 Normal
03/18/2026 02 AM PDT 56.99 24 0 Normal
03/18/2026 03 AM PDT 56.99 24 0 Normal
03/18/2026 04 AM PDT 56.99 24 0 Normal
03/18/2026 05 AM PDT 56.99 24 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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