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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 06 2026 at 1:08 PM PDT | Next Issuance: | Apr 07 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: 04/06/2026 at 01:09 PM 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: 04/11/2026 at 05:00 AM PDT
# Maximum Forecast Stage: 57.29 Feet
# Maximum Forecast Flow: 33 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
04/01/2026 01 PM PDT 56.64 15 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 56.74 17 0 Normal
04/04/2026 07 AM PDT 56.74 17 0 Normal
04/04/2026 08 AM PDT 56.74 17 0 Normal
04/04/2026 09 AM PDT 56.74 17 0 Normal
04/04/2026 10 AM PDT 56.74 17 0 Normal
04/04/2026 11 AM PDT 56.74 17 0 Normal
04/04/2026 12 PM PDT 56.74 17 0 Normal
04/04/2026 01 PM PDT 56.74 17 0 Normal
04/04/2026 02 PM PDT 56.74 17 0 Normal
04/04/2026 03 PM PDT 56.74 17 0 Normal
04/04/2026 04 PM PDT 56.74 17 0 Normal
04/04/2026 05 PM PDT 56.73 17 - Normal
04/04/2026 06 PM PDT 56.74 17 + Normal
04/04/2026 07 PM PDT 56.73 17 - Normal
04/04/2026 08 PM PDT 56.73 17 0 Normal
04/04/2026 09 PM PDT 56.73 17 0 Normal
04/04/2026 10 PM PDT 56.73 17 0 Normal
04/04/2026 11 PM PDT 56.73 17 0 Normal
04/05/2026 12 AM PDT 56.72 17 - Normal
04/05/2026 01 AM PDT 56.72 17 0 Normal
04/05/2026 02 AM PDT 56.72 17 0 Normal
04/05/2026 03 AM PDT 56.72 17 0 Normal
04/05/2026 04 AM PDT 56.72 17 0 Normal
04/05/2026 05 AM PDT 56.72 17 0 Normal
04/05/2026 06 AM PDT 56.72 17 0 Normal
04/05/2026 07 AM PDT 56.71 17 - Normal
04/05/2026 08 AM PDT 56.71 17 0 Normal
04/05/2026 09 AM PDT 56.71 17 0 Normal
04/05/2026 10 AM PDT 56.71 17 0 Normal
04/05/2026 11 AM PDT 56.71 17 0 Normal
04/05/2026 12 PM PDT 56.71 17 0 Normal
04/05/2026 01 PM PDT 56.71 17 0 Normal
04/05/2026 02 PM PDT 56.71 17 0 Normal
04/05/2026 03 PM PDT 56.70 17 - Normal
04/05/2026 04 PM PDT 56.70 17 0 Normal
04/05/2026 05 PM PDT 56.70 17 0 Normal
04/05/2026 06 PM PDT 56.70 17 0 Normal
04/05/2026 07 PM PDT 56.70 17 0 Normal
04/05/2026 08 PM PDT 56.70 17 0 Normal
04/05/2026 09 PM PDT 56.69 16 - Normal
04/05/2026 10 PM PDT 56.69 16 0 Normal
04/05/2026 11 PM PDT 56.69 16 0 Normal
04/06/2026 12 AM PDT 56.69 16 0 Normal
04/06/2026 01 AM PDT 56.68 16 - Normal
04/06/2026 02 AM PDT 56.68 16 0 Normal
04/06/2026 03 AM PDT 56.68 16 0 Normal
04/06/2026 04 AM PDT 56.68 16 0 Normal
04/06/2026 05 AM PDT 56.68 16 0 Normal
04/06/2026 06 AM PDT 56.68 16 0 Normal
04/06/2026 07 AM PDT 56.68 16 0 Normal
04/06/2026 08 AM PDT 56.68 16 0 Normal
04/06/2026 09 AM PDT 56.67 16 - Normal
04/06/2026 10 AM PDT 56.67 16 0 Normal
04/06/2026 11 AM PDT 56.67 16 0 Normal
04/06/2026 12 PM PDT 56.67 16 0 Normal
04/06/2026 01 PM PDT 56.66 16 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
04/06/2026 02 PM PDT 56.66 16 Normal
04/06/2026 03 PM PDT 56.66 16 0 Normal
04/06/2026 04 PM PDT 56.65 16 - Normal
04/06/2026 05 PM PDT 56.65 16 0 Normal
04/06/2026 06 PM PDT 56.64 15 - Normal
04/06/2026 07 PM PDT 56.64 15 0 Normal
04/06/2026 08 PM PDT 56.64 15 0 Normal
04/06/2026 09 PM PDT 56.63 15 - Normal
04/06/2026 10 PM PDT 56.63 15 0 Normal
04/06/2026 11 PM PDT 56.62 15 - Normal
04/07/2026 12 AM PDT 56.62 15 0 Normal
04/07/2026 01 AM PDT 56.62 15 0 Normal
04/07/2026 02 AM PDT 56.62 15 0 Normal
04/07/2026 03 AM PDT 56.62 15 0 Normal
04/07/2026 04 AM PDT 56.61 15 - Normal
04/07/2026 05 AM PDT 56.61 15 0 Normal
04/07/2026 06 AM PDT 56.61 15 0 Normal
04/07/2026 07 AM PDT 56.61 15 0 Normal
04/07/2026 08 AM PDT 56.60 15 - Normal
04/07/2026 09 AM PDT 56.60 15 0 Normal
04/07/2026 10 AM PDT 56.60 15 0 Normal
04/07/2026 11 AM PDT 56.60 15 0 Normal
04/07/2026 12 PM PDT 56.60 15 0 Normal
04/07/2026 01 PM PDT 56.60 15 0 Normal
04/07/2026 02 PM PDT 56.60 15 0 Normal
04/07/2026 03 PM PDT 56.60 15 0 Normal
04/07/2026 04 PM PDT 56.59 14 - Normal
04/07/2026 05 PM PDT 56.59 14 0 Normal
04/07/2026 06 PM PDT 56.59 14 0 Normal
04/07/2026 07 PM PDT 56.59 14 0 Normal
04/07/2026 08 PM PDT 56.59 14 0 Normal
04/07/2026 09 PM PDT 56.59 14 0 Normal
04/07/2026 10 PM PDT 56.59 14 0 Normal
04/07/2026 11 PM PDT 56.59 14 0 Normal
04/08/2026 12 AM PDT 56.59 14 0 Normal
04/08/2026 01 AM PDT 56.59 14 0 Normal
04/08/2026 02 AM PDT 56.59 14 0 Normal
04/08/2026 03 AM PDT 56.59 14 0 Normal
04/08/2026 04 AM PDT 56.58 14 - Normal
04/08/2026 05 AM PDT 56.58 14 0 Normal
04/08/2026 06 AM PDT 56.58 14 0 Normal
04/08/2026 07 AM PDT 56.58 14 0 Normal
04/08/2026 08 AM PDT 56.58 14 0 Normal
04/08/2026 09 AM PDT 56.58 14 0 Normal
04/08/2026 10 AM PDT 56.58 14 0 Normal
04/08/2026 11 AM PDT 56.58 14 0 Normal
04/08/2026 12 PM PDT 56.58 14 0 Normal
04/08/2026 01 PM PDT 56.58 14 0 Normal
04/08/2026 02 PM PDT 56.58 14 0 Normal
04/08/2026 03 PM PDT 56.58 14 0 Normal
04/08/2026 04 PM PDT 56.58 14 0 Normal
04/08/2026 05 PM PDT 56.58 14 0 Normal
04/08/2026 06 PM PDT 56.58 14 0 Normal
04/08/2026 07 PM PDT 56.58 14 0 Normal
04/08/2026 08 PM PDT 56.58 14 0 Normal
04/08/2026 09 PM PDT 56.58 14 0 Normal
04/08/2026 10 PM PDT 56.58 14 0 Normal
04/08/2026 11 PM PDT 56.58 14 0 Normal
04/09/2026 12 AM PDT 56.58 14 0 Normal
04/09/2026 01 AM PDT 56.58 14 0 Normal
04/09/2026 02 AM PDT 56.58 14 0 Normal
04/09/2026 03 AM PDT 56.58 14 0 Normal
04/09/2026 04 AM PDT 56.58 14 0 Normal
04/09/2026 05 AM PDT 56.58 14 0 Normal
04/09/2026 06 AM PDT 56.58 14 0 Normal
04/09/2026 07 AM PDT 56.58 14 0 Normal
04/09/2026 08 AM PDT 56.58 14 0 Normal
04/09/2026 09 AM PDT 56.58 14 0 Normal
04/09/2026 10 AM PDT 56.58 14 0 Normal
04/09/2026 11 AM PDT 56.58 14 0 Normal
04/09/2026 12 PM PDT 56.58 14 0 Normal
04/09/2026 01 PM PDT 56.58 14 0 Normal
04/09/2026 02 PM PDT 56.58 14 0 Normal
04/09/2026 03 PM PDT 56.58 14 0 Normal
04/09/2026 04 PM PDT 56.58 14 0 Normal
04/09/2026 05 PM PDT 56.58 14 0 Normal
04/09/2026 06 PM PDT 56.58 14 0 Normal
04/09/2026 07 PM PDT 56.58 14 0 Normal
04/09/2026 08 PM PDT 56.58 14 0 Normal
04/09/2026 09 PM PDT 56.58 14 0 Normal
04/09/2026 10 PM PDT 56.58 14 0 Normal
04/09/2026 11 PM PDT 56.58 14 0 Normal
04/10/2026 12 AM PDT 56.58 14 0 Normal
04/10/2026 01 AM PDT 56.59 14 + Normal
04/10/2026 02 AM PDT 56.59 14 0 Normal
04/10/2026 03 AM PDT 56.61 15 + Normal
04/10/2026 04 AM PDT 56.63 15 + Normal
04/10/2026 05 AM PDT 56.66 16 + Normal
04/10/2026 06 AM PDT 56.70 17 + Normal
04/10/2026 07 AM PDT 56.73 17 + Normal
04/10/2026 08 AM PDT 56.77 18 + Normal
04/10/2026 09 AM PDT 56.80 19 + Normal
04/10/2026 10 AM PDT 56.82 19 + Normal
04/10/2026 11 AM PDT 56.84 20 + Normal
04/10/2026 12 PM PDT 56.86 20 + Normal
04/10/2026 01 PM PDT 56.87 20 + Normal
04/10/2026 02 PM PDT 56.88 21 + Normal
04/10/2026 03 PM PDT 56.89 21 + Normal
04/10/2026 04 PM PDT 56.89 21 0 Normal
04/10/2026 05 PM PDT 56.89 21 0 Normal
04/10/2026 06 PM PDT 56.89 21 0 Normal
04/10/2026 07 PM PDT 56.89 21 0 Normal
04/10/2026 08 PM PDT 56.89 21 0 Normal
04/10/2026 09 PM PDT 56.89 21 0 Normal
04/10/2026 10 PM PDT 56.91 21 + Normal
04/10/2026 11 PM PDT 56.93 22 + Normal
04/11/2026 12 AM PDT 56.96 23 + Normal
04/11/2026 01 AM PDT 56.99 24 + Normal
04/11/2026 02 AM PDT 57.04 25 + Normal
04/11/2026 03 AM PDT 57.10 27 + Normal
04/11/2026 04 AM PDT 57.18 29 + Normal
04/11/2026 05 AM PDT 57.29 33 + 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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