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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: | Apr 04 2026 at 7:49 AM PDT | Next Issuance: | Apr 05 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: 04/04/2026 at 07:50 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 04/04/2026 at 01:00 AM PDT
# Maximum Observed Stage: 56.75 Feet
# Maximum Observed Flow: 18 cfs
#
# Earliest Date & Time of Maximum Forecast: 04/04/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 56.71 Feet
# Maximum Forecast Flow: 17 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
03/30/2026 07 AM PDT 56.55 13 Normal
03/30/2026 08 AM PDT 56.55 13 0 Normal
03/30/2026 09 AM PDT 56.55 13 0 Normal
03/30/2026 10 AM PDT 56.55 13 0 Normal
03/30/2026 11 AM PDT 56.56 14 + Normal
03/30/2026 12 PM PDT 56.56 14 0 Normal
03/30/2026 01 PM PDT 56.55 13 - Normal
03/30/2026 02 PM PDT 56.55 13 0 Normal
03/30/2026 03 PM PDT 56.55 13 0 Normal
03/30/2026 04 PM PDT 56.55 13 0 Normal
03/30/2026 05 PM PDT 56.55 13 0 Normal
03/30/2026 06 PM PDT 56.55 13 0 Normal
03/30/2026 07 PM PDT 56.55 13 0 Normal
03/30/2026 08 PM PDT 56.55 13 0 Normal
03/30/2026 09 PM PDT 56.55 13 0 Normal
03/30/2026 10 PM PDT 56.55 13 0 Normal
03/30/2026 11 PM PDT 56.55 13 0 Normal
03/31/2026 12 AM PDT 56.55 13 0 Normal
03/31/2026 01 AM PDT 56.55 13 0 Normal
03/31/2026 02 AM PDT 56.55 13 0 Normal
03/31/2026 03 AM PDT 56.55 13 0 Normal
03/31/2026 04 AM PDT 56.55 13 0 Normal
03/31/2026 05 AM PDT 56.55 13 0 Normal
03/31/2026 06 AM PDT 56.55 13 0 Normal
03/31/2026 07 AM PDT 56.55 13 0 Normal
03/31/2026 08 AM PDT 56.55 13 0 Normal
03/31/2026 09 AM PDT 56.55 13 0 Normal
03/31/2026 10 AM PDT 56.55 13 0 Normal
03/31/2026 11 AM PDT 56.55 13 0 Normal
03/31/2026 12 PM PDT 56.55 13 0 Normal
03/31/2026 01 PM PDT 56.55 13 0 Normal
03/31/2026 02 PM PDT 56.55 13 0 Normal
03/31/2026 03 PM PDT 56.55 13 0 Normal
03/31/2026 04 PM PDT 56.56 14 + Normal
03/31/2026 05 PM PDT 56.56 14 0 Normal
03/31/2026 06 PM PDT 56.57 14 + Normal
03/31/2026 07 PM PDT 56.57 14 0 Normal
03/31/2026 08 PM PDT 56.57 14 0 Normal
03/31/2026 09 PM PDT 56.57 14 0 Normal
03/31/2026 10 PM PDT 56.57 14 0 Normal
03/31/2026 11 PM PDT 56.57 14 0 Normal
04/01/2026 12 AM PDT 56.57 14 0 Normal
04/01/2026 01 AM PDT 56.58 14 + Normal
04/01/2026 02 AM PDT 56.58 14 0 Normal
04/01/2026 03 AM PDT 56.59 14 + Normal
04/01/2026 04 AM PDT 56.59 14 0 Normal
04/01/2026 05 AM PDT 56.60 15 + Normal
04/01/2026 06 AM PDT 56.61 15 + Normal
04/01/2026 07 AM PDT 56.61 15 0 Normal
04/01/2026 08 AM PDT 56.62 15 + Normal
04/01/2026 09 AM PDT 56.62 15 0 Normal
04/01/2026 10 AM PDT 56.63 15 + Normal
04/01/2026 11 AM PDT 56.64 15 + Normal
04/01/2026 12 PM PDT 56.64 15 0 Normal
04/01/2026 01 PM PDT 56.64 15 0 Normal
04/01/2026 02 PM PDT 56.64 15 0 Normal
04/01/2026 03 PM PDT 56.65 16 + Normal
04/01/2026 04 PM PDT 56.65 16 0 Normal
04/01/2026 05 PM PDT 56.65 16 0 Normal
04/01/2026 06 PM PDT 56.65 16 0 Normal
04/01/2026 07 PM PDT 56.66 16 + Normal
04/01/2026 08 PM PDT 56.67 16 + Normal
04/01/2026 09 PM PDT 56.67 16 0 Normal
04/01/2026 10 PM PDT 56.68 16 + Normal
04/01/2026 11 PM PDT 56.68 16 0 Normal
04/02/2026 12 AM PDT 56.69 16 + Normal
04/02/2026 01 AM PDT 56.69 16 0 Normal
04/02/2026 02 AM PDT 56.70 17 + Normal
04/02/2026 03 AM PDT 56.70 17 0 Normal
04/02/2026 04 AM PDT 56.70 17 0 Normal
04/02/2026 05 AM PDT 56.71 17 + Normal
04/02/2026 06 AM PDT 56.71 17 0 Normal
04/02/2026 07 AM PDT 56.71 17 0 Normal
04/02/2026 08 AM PDT 56.71 17 0 Normal
04/02/2026 09 AM PDT 56.72 17 + Normal
04/02/2026 10 AM PDT 56.72 17 0 Normal
04/02/2026 11 AM PDT 56.72 17 0 Normal
04/02/2026 12 PM PDT 56.72 17 0 Normal
04/02/2026 01 PM PDT 56.73 17 + Normal
04/02/2026 02 PM PDT 56.73 17 0 Normal
04/02/2026 03 PM PDT 56.73 17 0 Normal
04/02/2026 04 PM PDT 56.73 17 0 Normal
04/02/2026 05 PM PDT 56.74 17 + Normal
04/02/2026 06 PM PDT 56.73 17 - Normal
04/02/2026 07 PM PDT 56.74 17 + Normal
04/02/2026 08 PM PDT 56.74 17 0 Normal
04/02/2026 09 PM PDT 56.73 17 - Normal
04/02/2026 10 PM PDT 56.74 17 + Normal
04/02/2026 11 PM PDT 56.73 17 - Normal
04/03/2026 12 AM PDT 56.74 17 + Normal
04/03/2026 01 AM PDT 56.74 17 0 Normal
04/03/2026 02 AM PDT 56.74 17 0 Normal
04/03/2026 03 AM PDT 56.74 17 0 Normal
04/03/2026 04 AM PDT 56.74 17 0 Normal
04/03/2026 05 AM PDT 56.74 17 0 Normal
04/03/2026 06 AM PDT 56.74 17 0 Normal
04/03/2026 07 AM PDT 56.74 17 0 Normal
04/03/2026 08 AM PDT 56.74 17 0 Normal
04/03/2026 09 AM PDT 56.74 17 0 Normal
04/03/2026 10 AM PDT 56.74 17 0 Normal
04/03/2026 11 AM PDT 56.75 18 + Normal
04/03/2026 12 PM PDT 56.75 18 0 Normal
04/03/2026 01 PM PDT 56.75 18 0 Normal
04/03/2026 02 PM PDT 56.75 18 0 Normal
04/03/2026 03 PM PDT 56.75 18 0 Normal
04/03/2026 04 PM PDT 56.75 18 0 Normal
04/03/2026 05 PM PDT 56.75 18 0 Normal
04/03/2026 06 PM PDT 56.75 18 0 Normal
04/03/2026 07 PM PDT 56.75 18 0 Normal
04/03/2026 08 PM PDT 56.75 18 0 Normal
04/03/2026 09 PM PDT 56.75 18 0 Normal
04/03/2026 10 PM PDT 56.75 18 0 Normal
04/03/2026 11 PM PDT 56.75 18 0 Normal
04/04/2026 12 AM PDT 56.75 18 0 Normal
04/04/2026 01 AM PDT 56.75 18 0 Normal
04/04/2026 02 AM PDT 56.74 17 - Normal
04/04/2026 03 AM PDT 56.74 17 0 Normal
04/04/2026 04 AM PDT 56.74 17 0 Normal
04/04/2026 05 AM PDT 56.74 17 0 Normal
04/04/2026 06 AM PDT 56.73 17 - Normal
04/04/2026 07 AM PDT 56.72 17 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/04/2026 08 AM PDT 56.71 17 Normal
04/04/2026 09 AM PDT 56.70 17 - Normal
04/04/2026 10 AM PDT 56.70 17 0 Normal
04/04/2026 11 AM PDT 56.69 16 - Normal
04/04/2026 12 PM PDT 56.68 16 - Normal
04/04/2026 01 PM PDT 56.67 16 - Normal
04/04/2026 02 PM PDT 56.67 16 0 Normal
04/04/2026 03 PM PDT 56.66 16 - Normal
04/04/2026 04 PM PDT 56.65 16 - Normal
04/04/2026 05 PM PDT 56.64 15 - Normal
04/04/2026 06 PM PDT 56.64 15 0 Normal
04/04/2026 07 PM PDT 56.63 15 - Normal
04/04/2026 08 PM PDT 56.62 15 - Normal
04/04/2026 09 PM PDT 56.62 15 0 Normal
04/04/2026 10 PM PDT 56.61 15 - Normal
04/04/2026 11 PM PDT 56.60 15 - Normal
04/05/2026 12 AM PDT 56.60 15 0 Normal
04/05/2026 01 AM PDT 56.59 14 - Normal
04/05/2026 02 AM PDT 56.59 14 0 Normal
04/05/2026 03 AM PDT 56.58 14 - Normal
04/05/2026 04 AM PDT 56.57 14 - Normal
04/05/2026 05 AM PDT 56.57 14 0 Normal
04/05/2026 06 AM PDT 56.56 14 - Normal
04/05/2026 07 AM PDT 56.56 14 0 Normal
04/05/2026 08 AM PDT 56.55 13 - Normal
04/05/2026 09 AM PDT 56.55 13 0 Normal
04/05/2026 10 AM PDT 56.54 13 - Normal
04/05/2026 11 AM PDT 56.54 13 0 Normal
04/05/2026 12 PM PDT 56.53 13 - Normal
04/05/2026 01 PM PDT 56.53 13 0 Normal
04/05/2026 02 PM PDT 56.52 13 - Normal
04/05/2026 03 PM PDT 56.52 13 0 Normal
04/05/2026 04 PM PDT 56.52 13 0 Normal
04/05/2026 05 PM PDT 56.51 13 - Normal
04/05/2026 06 PM PDT 56.51 13 0 Normal
04/05/2026 07 PM PDT 56.51 13 0 Normal
04/05/2026 08 PM PDT 56.50 12 - Normal
04/05/2026 09 PM PDT 56.50 12 0 Normal
04/05/2026 10 PM PDT 56.49 12 - Normal
04/05/2026 11 PM PDT 56.49 12 0 Normal
04/06/2026 12 AM PDT 56.49 12 0 Normal
04/06/2026 01 AM PDT 56.48 12 - Normal
04/06/2026 02 AM PDT 56.48 12 0 Normal
04/06/2026 03 AM PDT 56.48 12 0 Normal
04/06/2026 04 AM PDT 56.47 12 - Normal
04/06/2026 05 AM PDT 56.47 12 0 Normal
04/06/2026 06 AM PDT 56.47 12 0 Normal
04/06/2026 07 AM PDT 56.47 12 0 Normal
04/06/2026 08 AM PDT 56.46 12 - Normal
04/06/2026 09 AM PDT 56.46 12 0 Normal
04/06/2026 10 AM PDT 56.46 12 0 Normal
04/06/2026 11 AM PDT 56.45 12 - Normal
04/06/2026 12 PM PDT 56.45 12 0 Normal
04/06/2026 01 PM PDT 56.45 12 0 Normal
04/06/2026 02 PM PDT 56.44 11 - Normal
04/06/2026 03 PM PDT 56.44 11 0 Normal
04/06/2026 04 PM PDT 56.44 11 0 Normal
04/06/2026 05 PM PDT 56.44 11 0 Normal
04/06/2026 06 PM PDT 56.44 11 0 Normal
04/06/2026 07 PM PDT 56.44 11 0 Normal
04/06/2026 08 PM PDT 56.43 11 - Normal
04/06/2026 09 PM PDT 56.43 11 0 Normal
04/06/2026 10 PM PDT 56.43 11 0 Normal
04/06/2026 11 PM PDT 56.43 11 0 Normal
04/07/2026 12 AM PDT 56.43 11 0 Normal
04/07/2026 01 AM PDT 56.42 11 - Normal
04/07/2026 02 AM PDT 56.42 11 0 Normal
04/07/2026 03 AM PDT 56.42 11 0 Normal
04/07/2026 04 AM PDT 56.42 11 0 Normal
04/07/2026 05 AM PDT 56.42 11 0 Normal
04/07/2026 06 AM PDT 56.42 11 0 Normal
04/07/2026 07 AM PDT 56.42 11 0 Normal
04/07/2026 08 AM PDT 56.41 11 - Normal
04/07/2026 09 AM PDT 56.41 11 0 Normal
04/07/2026 10 AM PDT 56.41 11 0 Normal
04/07/2026 11 AM PDT 56.41 11 0 Normal
04/07/2026 12 PM PDT 56.41 11 0 Normal
04/07/2026 01 PM PDT 56.41 11 0 Normal
04/07/2026 02 PM PDT 56.41 11 0 Normal
04/07/2026 03 PM PDT 56.40 11 - Normal
04/07/2026 04 PM PDT 56.40 11 0 Normal
04/07/2026 05 PM PDT 56.40 11 0 Normal
04/07/2026 06 PM PDT 56.40 11 0 Normal
04/07/2026 07 PM PDT 56.40 11 0 Normal
04/07/2026 08 PM PDT 56.40 11 0 Normal
04/07/2026 09 PM PDT 56.40 11 0 Normal
04/07/2026 10 PM PDT 56.39 11 - Normal
04/07/2026 11 PM PDT 56.39 11 0 Normal
04/08/2026 12 AM PDT 56.39 11 0 Normal
04/08/2026 01 AM PDT 56.39 11 0 Normal
04/08/2026 02 AM PDT 56.39 11 0 Normal
04/08/2026 03 AM PDT 56.39 11 0 Normal
04/08/2026 04 AM PDT 56.38 10 - Normal
04/08/2026 05 AM PDT 56.38 10 0 Normal
04/08/2026 06 AM PDT 56.38 10 0 Normal
04/08/2026 07 AM PDT 56.38 10 0 Normal
04/08/2026 08 AM PDT 56.38 10 0 Normal
04/08/2026 09 AM PDT 56.38 10 0 Normal
04/08/2026 10 AM PDT 56.38 10 0 Normal
04/08/2026 11 AM PDT 56.38 10 0 Normal
04/08/2026 12 PM PDT 56.37 10 - Normal
04/08/2026 01 PM PDT 56.37 10 0 Normal
04/08/2026 02 PM PDT 56.37 10 0 Normal
04/08/2026 03 PM PDT 56.37 10 0 Normal
04/08/2026 04 PM PDT 56.37 10 0 Normal
04/08/2026 05 PM PDT 56.37 10 0 Normal
04/08/2026 06 PM PDT 56.37 10 0 Normal
04/08/2026 07 PM PDT 56.37 10 0 Normal
04/08/2026 08 PM PDT 56.37 10 0 Normal
04/08/2026 09 PM PDT 56.37 10 0 Normal
04/08/2026 10 PM PDT 56.37 10 0 Normal
04/08/2026 11 PM PDT 56.38 10 + Normal
04/09/2026 12 AM PDT 56.38 10 0 Normal
04/09/2026 01 AM PDT 56.40 11 + Normal
04/09/2026 02 AM PDT 56.42 11 + Normal
04/09/2026 03 AM PDT 56.47 12 + Normal
04/09/2026 04 AM PDT 56.55 13 + Normal
04/09/2026 05 AM PDT 56.64 15 + 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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