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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: | Aug 05 2026 at 7:13 AM PDT | Next Issuance: | Aug 06 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: 08/05/2026 at 07:14 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 07/31/2026 at 03:00 PM PDT
# Maximum Observed Stage: 55.80 Feet
# Maximum Observed Flow: 3 cfs
#
# Earliest Date & Time of Maximum Forecast: 08/05/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 55.71 Feet
# Maximum Forecast Flow: 3 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
07/31/2026 07 AM PDT 55.79 3 Normal
07/31/2026 08 AM PDT 55.79 3 0 Normal
07/31/2026 09 AM PDT 55.79 3 0 Normal
07/31/2026 10 AM PDT 55.80 3 + Normal
07/31/2026 11 AM PDT 55.80 3 0 Normal
07/31/2026 12 PM PDT 55.79 3 - Normal
07/31/2026 01 PM PDT 55.80 3 + Normal
07/31/2026 02 PM PDT 55.79 3 - Normal
07/31/2026 03 PM PDT 55.80 3 + Normal
07/31/2026 04 PM PDT 55.79 3 - Normal
07/31/2026 05 PM PDT 55.79 3 0 Normal
07/31/2026 06 PM PDT 55.79 3 0 Normal
07/31/2026 07 PM PDT 55.79 3 0 Normal
07/31/2026 08 PM PDT 55.79 3 0 Normal
07/31/2026 09 PM PDT 55.78 3 - Normal
07/31/2026 10 PM PDT 55.78 3 0 Normal
07/31/2026 11 PM PDT 55.78 3 0 Normal
08/01/2026 12 AM PDT 55.78 3 0 Normal
08/01/2026 01 AM PDT 55.78 3 0 Normal
08/01/2026 02 AM PDT 55.78 3 0 Normal
08/01/2026 03 AM PDT 55.78 3 0 Normal
08/01/2026 04 AM PDT 55.78 3 0 Normal
08/01/2026 05 AM PDT 55.78 3 0 Normal
08/01/2026 06 AM PDT 55.77 3 - Normal
08/01/2026 07 AM PDT 55.77 3 0 Normal
08/01/2026 08 AM PDT 55.77 3 0 Normal
08/01/2026 09 AM PDT 55.78 3 + Normal
08/01/2026 10 AM PDT 55.78 3 0 Normal
08/01/2026 11 AM PDT 55.78 3 0 Normal
08/01/2026 12 PM PDT 55.78 3 0 Normal
08/01/2026 01 PM PDT 55.78 3 0 Normal
08/01/2026 02 PM PDT 55.78 3 0 Normal
08/01/2026 03 PM PDT 55.77 3 - Normal
08/01/2026 04 PM PDT 55.77 3 0 Normal
08/01/2026 05 PM PDT 55.77 3 0 Normal
08/01/2026 06 PM PDT 55.77 3 0 Normal
08/01/2026 07 PM PDT 55.77 3 0 Normal
08/01/2026 08 PM PDT 55.77 3 0 Normal
08/01/2026 09 PM PDT 55.77 3 0 Normal
08/01/2026 10 PM PDT 55.77 3 0 Normal
08/01/2026 11 PM PDT 55.76 3 - Normal
08/02/2026 12 AM PDT 55.76 3 0 Normal
08/02/2026 01 AM PDT 55.76 3 0 Normal
08/02/2026 02 AM PDT 55.76 3 0 Normal
08/02/2026 03 AM PDT 55.76 3 0 Normal
08/02/2026 04 AM PDT 55.76 3 0 Normal
08/02/2026 05 AM PDT 55.76 3 0 Normal
08/02/2026 06 AM PDT 55.76 3 0 Normal
08/02/2026 07 AM PDT 55.76 3 0 Normal
08/02/2026 08 AM PDT 55.76 3 0 Normal
08/02/2026 09 AM PDT 55.76 3 0 Normal
08/02/2026 10 AM PDT 55.76 3 0 Normal
08/02/2026 11 AM PDT 55.76 3 0 Normal
08/02/2026 12 PM PDT 55.76 3 0 Normal
08/02/2026 01 PM PDT 55.76 3 0 Normal
08/02/2026 02 PM PDT 55.76 3 0 Normal
08/02/2026 03 PM PDT 55.76 3 0 Normal
08/02/2026 04 PM PDT 55.75 3 - Normal
08/02/2026 05 PM PDT 55.75 3 0 Normal
08/02/2026 06 PM PDT 55.75 3 0 Normal
08/02/2026 07 PM PDT 55.75 3 0 Normal
08/02/2026 08 PM PDT 55.75 3 0 Normal
08/02/2026 09 PM PDT 55.75 3 0 Normal
08/02/2026 10 PM PDT 55.75 3 0 Normal
08/02/2026 11 PM PDT 55.74 3 - Normal
08/03/2026 12 AM PDT 55.74 3 0 Normal
08/03/2026 01 AM PDT 55.74 3 0 Normal
08/03/2026 02 AM PDT 55.74 3 0 Normal
08/03/2026 03 AM PDT 55.74 3 0 Normal
08/03/2026 04 AM PDT 55.74 3 0 Normal
08/03/2026 05 AM PDT 55.74 3 0 Normal
08/03/2026 06 AM PDT 55.74 3 0 Normal
08/03/2026 07 AM PDT 55.74 3 0 Normal
08/03/2026 08 AM PDT 55.74 3 0 Normal
08/03/2026 09 AM PDT 55.74 3 0 Normal
08/03/2026 10 AM PDT 55.74 3 0 Normal
08/03/2026 11 AM PDT 55.74 3 0 Normal
08/03/2026 12 PM PDT 55.74 3 0 Normal
08/03/2026 01 PM PDT 55.74 3 0 Normal
08/03/2026 02 PM PDT 55.74 3 0 Normal
08/03/2026 03 PM PDT 55.74 3 0 Normal
08/03/2026 04 PM PDT 55.74 3 0 Normal
08/03/2026 05 PM PDT 55.74 3 0 Normal
08/03/2026 06 PM PDT 55.73 3 - Normal
08/03/2026 07 PM PDT 55.73 3 0 Normal
08/03/2026 08 PM PDT 55.73 3 0 Normal
08/03/2026 09 PM PDT 55.73 3 0 Normal
08/03/2026 10 PM PDT 55.73 3 0 Normal
08/03/2026 11 PM PDT 55.73 3 0 Normal
08/04/2026 12 AM PDT 55.72 3 - Normal
08/04/2026 01 AM PDT 55.72 3 0 Normal
08/04/2026 02 AM PDT 55.72 3 0 Normal
08/04/2026 03 AM PDT 55.72 3 0 Normal
08/04/2026 04 AM PDT 55.72 3 0 Normal
08/04/2026 05 AM PDT 55.72 3 0 Normal
08/04/2026 06 AM PDT 55.72 3 0 Normal
08/04/2026 07 AM PDT 55.72 3 0 Normal
08/04/2026 08 AM PDT 55.72 3 0 Normal
08/04/2026 09 AM PDT 55.72 3 0 Normal
08/04/2026 10 AM PDT 55.72 3 0 Normal
08/04/2026 11 AM PDT 55.72 3 0 Normal
08/04/2026 12 PM PDT 55.72 3 0 Normal
08/04/2026 01 PM PDT 55.72 3 0 Normal
08/04/2026 02 PM PDT 55.72 3 0 Normal
08/04/2026 03 PM PDT 55.72 3 0 Normal
08/04/2026 04 PM PDT 55.72 3 0 Normal
08/04/2026 05 PM PDT 55.72 3 0 Normal
08/04/2026 06 PM PDT 55.72 3 0 Normal
08/04/2026 07 PM PDT 55.71 3 - Normal
08/04/2026 08 PM PDT 55.71 3 0 Normal
08/04/2026 09 PM PDT 55.71 3 0 Normal
08/04/2026 10 PM PDT 55.71 3 0 Normal
08/04/2026 11 PM PDT 55.71 3 0 Normal
08/05/2026 12 AM PDT 55.71 3 0 Normal
08/05/2026 01 AM PDT 55.71 3 0 Normal
08/05/2026 02 AM PDT 55.71 3 0 Normal
08/05/2026 03 AM PDT 55.71 3 0 Normal
08/05/2026 04 AM PDT 55.71 3 0 Normal
08/05/2026 05 AM PDT 55.71 3 0 Normal
08/05/2026 06 AM PDT 55.71 3 0 Normal
08/05/2026 07 AM PDT 55.71 3 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
08/05/2026 08 AM PDT 55.71 3 Normal
08/05/2026 09 AM PDT 55.71 3 0 Normal
08/05/2026 10 AM PDT 55.71 3 0 Normal
08/05/2026 11 AM PDT 55.71 3 0 Normal
08/05/2026 12 PM PDT 55.71 3 0 Normal
08/05/2026 01 PM PDT 55.70 3 - Normal
08/05/2026 02 PM PDT 55.70 3 0 Normal
08/05/2026 03 PM PDT 55.70 3 0 Normal
08/05/2026 04 PM PDT 55.70 3 0 Normal
08/05/2026 05 PM PDT 55.70 3 0 Normal
08/05/2026 06 PM PDT 55.70 3 0 Normal
08/05/2026 07 PM PDT 55.70 3 0 Normal
08/05/2026 08 PM PDT 55.70 3 0 Normal
08/05/2026 09 PM PDT 55.70 3 0 Normal
08/05/2026 10 PM PDT 55.70 3 0 Normal
08/05/2026 11 PM PDT 55.70 3 0 Normal
08/06/2026 12 AM PDT 55.70 3 0 Normal
08/06/2026 01 AM PDT 55.70 3 0 Normal
08/06/2026 02 AM PDT 55.70 3 0 Normal
08/06/2026 03 AM PDT 55.70 3 0 Normal
08/06/2026 04 AM PDT 55.70 3 0 Normal
08/06/2026 05 AM PDT 55.70 3 0 Normal
08/06/2026 06 AM PDT 55.70 3 0 Normal
08/06/2026 07 AM PDT 55.69 3 - Normal
08/06/2026 08 AM PDT 55.69 3 0 Normal
08/06/2026 09 AM PDT 55.69 3 0 Normal
08/06/2026 10 AM PDT 55.69 3 0 Normal
08/06/2026 11 AM PDT 55.69 3 0 Normal
08/06/2026 12 PM PDT 55.69 3 0 Normal
08/06/2026 01 PM PDT 55.69 3 0 Normal
08/06/2026 02 PM PDT 55.69 3 0 Normal
08/06/2026 03 PM PDT 55.69 3 0 Normal
08/06/2026 04 PM PDT 55.69 3 0 Normal
08/06/2026 05 PM PDT 55.69 3 0 Normal
08/06/2026 06 PM PDT 55.69 3 0 Normal
08/06/2026 07 PM PDT 55.69 3 0 Normal
08/06/2026 08 PM PDT 55.69 3 0 Normal
08/06/2026 09 PM PDT 55.69 3 0 Normal
08/06/2026 10 PM PDT 55.69 3 0 Normal
08/06/2026 11 PM PDT 55.69 3 0 Normal
08/07/2026 12 AM PDT 55.68 3 - Normal
08/07/2026 01 AM PDT 55.68 3 0 Normal
08/07/2026 02 AM PDT 55.68 3 0 Normal
08/07/2026 03 AM PDT 55.68 3 0 Normal
08/07/2026 04 AM PDT 55.68 3 0 Normal
08/07/2026 05 AM PDT 55.68 3 0 Normal
08/07/2026 06 AM PDT 55.68 3 0 Normal
08/07/2026 07 AM PDT 55.68 3 0 Normal
08/07/2026 08 AM PDT 55.68 3 0 Normal
08/07/2026 09 AM PDT 55.68 3 0 Normal
08/07/2026 10 AM PDT 55.68 3 0 Normal
08/07/2026 11 AM PDT 55.68 3 0 Normal
08/07/2026 12 PM PDT 55.68 3 0 Normal
08/07/2026 01 PM PDT 55.68 3 0 Normal
08/07/2026 02 PM PDT 55.68 3 0 Normal
08/07/2026 03 PM PDT 55.67 3 - Normal
08/07/2026 04 PM PDT 55.67 3 0 Normal
08/07/2026 05 PM PDT 55.67 3 0 Normal
08/07/2026 06 PM PDT 55.67 3 0 Normal
08/07/2026 07 PM PDT 55.67 3 0 Normal
08/07/2026 08 PM PDT 55.67 3 0 Normal
08/07/2026 09 PM PDT 55.67 3 0 Normal
08/07/2026 10 PM PDT 55.67 3 0 Normal
08/07/2026 11 PM PDT 55.67 3 0 Normal
08/08/2026 12 AM PDT 55.67 3 0 Normal
08/08/2026 01 AM PDT 55.67 3 0 Normal
08/08/2026 02 AM PDT 55.67 3 0 Normal
08/08/2026 03 AM PDT 55.67 3 0 Normal
08/08/2026 04 AM PDT 55.67 3 0 Normal
08/08/2026 05 AM PDT 55.67 3 0 Normal
08/08/2026 06 AM PDT 55.67 3 0 Normal
08/08/2026 07 AM PDT 55.67 3 0 Normal
08/08/2026 08 AM PDT 55.66 3 - Normal
08/08/2026 09 AM PDT 55.66 3 0 Normal
08/08/2026 10 AM PDT 55.66 3 0 Normal
08/08/2026 11 AM PDT 55.66 3 0 Normal
08/08/2026 12 PM PDT 55.66 3 0 Normal
08/08/2026 01 PM PDT 55.66 3 0 Normal
08/08/2026 02 PM PDT 55.66 3 0 Normal
08/08/2026 03 PM PDT 55.66 3 0 Normal
08/08/2026 04 PM PDT 55.66 3 0 Normal
08/08/2026 05 PM PDT 55.66 3 0 Normal
08/08/2026 06 PM PDT 55.66 3 0 Normal
08/08/2026 07 PM PDT 55.66 3 0 Normal
08/08/2026 08 PM PDT 55.66 3 0 Normal
08/08/2026 09 PM PDT 55.66 3 0 Normal
08/08/2026 10 PM PDT 55.66 3 0 Normal
08/08/2026 11 PM PDT 55.66 3 0 Normal
08/09/2026 12 AM PDT 55.66 3 0 Normal
08/09/2026 01 AM PDT 55.66 3 0 Normal
08/09/2026 02 AM PDT 55.65 3 - Normal
08/09/2026 03 AM PDT 55.65 3 0 Normal
08/09/2026 04 AM PDT 55.65 3 0 Normal
08/09/2026 05 AM PDT 55.65 3 0 Normal
08/09/2026 06 AM PDT 55.65 3 0 Normal
08/09/2026 07 AM PDT 55.65 3 0 Normal
08/09/2026 08 AM PDT 55.65 3 0 Normal
08/09/2026 09 AM PDT 55.65 3 0 Normal
08/09/2026 10 AM PDT 55.65 3 0 Normal
08/09/2026 11 AM PDT 55.65 3 0 Normal
08/09/2026 12 PM PDT 55.65 3 0 Normal
08/09/2026 01 PM PDT 55.65 3 0 Normal
08/09/2026 02 PM PDT 55.65 3 0 Normal
08/09/2026 03 PM PDT 55.65 3 0 Normal
08/09/2026 04 PM PDT 55.65 3 0 Normal
08/09/2026 05 PM PDT 55.65 3 0 Normal
08/09/2026 06 PM PDT 55.65 3 0 Normal
08/09/2026 07 PM PDT 55.64 3 - Normal
08/09/2026 08 PM PDT 55.64 3 0 Normal
08/09/2026 09 PM PDT 55.64 3 0 Normal
08/09/2026 10 PM PDT 55.64 3 0 Normal
08/09/2026 11 PM PDT 55.64 3 0 Normal
08/10/2026 12 AM PDT 55.64 3 0 Normal
08/10/2026 01 AM PDT 55.64 3 0 Normal
08/10/2026 02 AM PDT 55.64 3 0 Normal
08/10/2026 03 AM PDT 55.64 3 0 Normal
08/10/2026 04 AM PDT 55.64 3 0 Normal
08/10/2026 05 AM PDT 55.64 3 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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