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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: | Jun 12 2026 at 7:18 AM PDT | Next Issuance: | Jun 13 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: 06/12/2026 at 07:19 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 06/07/2026 at 09:00 AM PDT
# Maximum Observed Stage: 56.44 Feet
# Maximum Observed Flow: 11 cfs
#
# Earliest Date & Time of Maximum Forecast: 06/12/2026 at 08:00 AM PDT
# Maximum Forecast Stage: 56.30 Feet
# Maximum Forecast Flow: 9 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
06/07/2026 07 AM PDT 56.43 11 Normal
06/07/2026 08 AM PDT 56.43 11 0 Normal
06/07/2026 09 AM PDT 56.44 11 + Normal
06/07/2026 10 AM PDT 56.43 11 - Normal
06/07/2026 11 AM PDT 56.43 11 0 Normal
06/07/2026 12 PM PDT 56.43 11 0 Normal
06/07/2026 01 PM PDT 56.43 11 0 Normal
06/07/2026 02 PM PDT 56.43 11 0 Normal
06/07/2026 03 PM PDT 56.43 11 0 Normal
06/07/2026 04 PM PDT 56.42 11 - Normal
06/07/2026 05 PM PDT 56.42 11 0 Normal
06/07/2026 06 PM PDT 56.42 11 0 Normal
06/07/2026 07 PM PDT 56.42 11 0 Normal
06/07/2026 08 PM PDT 56.42 11 0 Normal
06/07/2026 09 PM PDT 56.42 11 0 Normal
06/07/2026 10 PM PDT 56.42 11 0 Normal
06/07/2026 11 PM PDT 56.42 11 0 Normal
06/08/2026 12 AM PDT 56.41 11 - Normal
06/08/2026 01 AM PDT 56.41 11 0 Normal
06/08/2026 02 AM PDT 56.41 11 0 Normal
06/08/2026 03 AM PDT 56.41 11 0 Normal
06/08/2026 04 AM PDT 56.41 11 0 Normal
06/08/2026 05 AM PDT 56.41 11 0 Normal
06/08/2026 06 AM PDT 56.41 11 0 Normal
06/08/2026 07 AM PDT 56.41 11 0 Normal
06/08/2026 08 AM PDT 56.41 11 0 Normal
06/08/2026 09 AM PDT 56.41 11 0 Normal
06/08/2026 10 AM PDT 56.41 11 0 Normal
06/08/2026 11 AM PDT 56.41 11 0 Normal
06/08/2026 12 PM PDT 56.41 11 0 Normal
06/08/2026 01 PM PDT 56.41 11 0 Normal
06/08/2026 02 PM PDT 56.41 11 0 Normal
06/08/2026 03 PM PDT 56.40 11 - Normal
06/08/2026 04 PM PDT 56.40 11 0 Normal
06/08/2026 05 PM PDT 56.40 11 0 Normal
06/08/2026 06 PM PDT 56.40 11 0 Normal
06/08/2026 07 PM PDT 56.40 11 0 Normal
06/08/2026 08 PM PDT 56.40 11 0 Normal
06/08/2026 09 PM PDT 56.39 11 - Normal
06/08/2026 10 PM PDT 56.39 11 0 Normal
06/08/2026 11 PM PDT 56.39 11 0 Normal
06/09/2026 12 AM PDT 56.39 11 0 Normal
06/09/2026 01 AM PDT 56.39 11 0 Normal
06/09/2026 02 AM PDT 56.39 11 0 Normal
06/09/2026 03 AM PDT 56.39 11 0 Normal
06/09/2026 04 AM PDT 56.39 11 0 Normal
06/09/2026 05 AM PDT 56.39 11 0 Normal
06/09/2026 06 AM PDT 56.39 11 0 Normal
06/09/2026 07 AM PDT 56.39 11 0 Normal
06/09/2026 08 AM PDT 56.39 11 0 Normal
06/09/2026 09 AM PDT 56.39 11 0 Normal
06/09/2026 10 AM PDT 56.39 11 0 Normal
06/09/2026 11 AM PDT 56.39 11 0 Normal
06/09/2026 12 PM PDT 56.39 11 0 Normal
06/09/2026 01 PM PDT 56.39 11 0 Normal
06/09/2026 02 PM PDT 56.39 11 0 Normal
06/09/2026 03 PM PDT 56.39 11 0 Normal
06/09/2026 04 PM PDT 56.38 10 - Normal
06/09/2026 05 PM PDT 56.38 10 0 Normal
06/09/2026 06 PM PDT 56.38 10 0 Normal
06/09/2026 07 PM PDT 56.38 10 0 Normal
06/09/2026 08 PM PDT 56.38 10 0 Normal
06/09/2026 09 PM PDT 56.38 10 0 Normal
06/09/2026 10 PM PDT 56.38 10 0 Normal
06/09/2026 11 PM PDT 56.37 10 - Normal
06/10/2026 12 AM PDT 56.37 10 0 Normal
06/10/2026 01 AM PDT 56.37 10 0 Normal
06/10/2026 02 AM PDT 56.37 10 0 Normal
06/10/2026 03 AM PDT 56.37 10 0 Normal
06/10/2026 04 AM PDT 56.37 10 0 Normal
06/10/2026 05 AM PDT 56.37 10 0 Normal
06/10/2026 06 AM PDT 56.36 10 - Normal
06/10/2026 07 AM PDT 56.36 10 0 Normal
06/10/2026 08 AM PDT 56.36 10 0 Normal
06/10/2026 09 AM PDT 56.37 10 + Normal
06/10/2026 10 AM PDT 56.37 10 0 Normal
06/10/2026 11 AM PDT 56.36 10 - Normal
06/10/2026 12 PM PDT 56.36 10 0 Normal
06/10/2026 01 PM PDT 56.36 10 0 Normal
06/10/2026 02 PM PDT 56.36 10 0 Normal
06/10/2026 03 PM PDT 56.36 10 0 Normal
06/10/2026 04 PM PDT 56.36 10 0 Normal
06/10/2026 05 PM PDT 56.35 10 - Normal
06/10/2026 06 PM PDT 56.35 10 0 Normal
06/10/2026 07 PM PDT 56.35 10 0 Normal
06/10/2026 08 PM PDT 56.35 10 0 Normal
06/10/2026 09 PM PDT 56.35 10 0 Normal
06/10/2026 10 PM PDT 56.35 10 0 Normal
06/10/2026 11 PM PDT 56.35 10 0 Normal
06/11/2026 12 AM PDT 56.35 10 0 Normal
06/11/2026 01 AM PDT 56.34 10 - Normal
06/11/2026 02 AM PDT 56.34 10 0 Normal
06/11/2026 03 AM PDT 56.34 10 0 Normal
06/11/2026 04 AM PDT 56.34 10 0 Normal
06/11/2026 05 AM PDT 56.34 10 0 Normal
06/11/2026 06 AM PDT 56.34 10 0 Normal
06/11/2026 07 AM PDT 56.34 10 0 Normal
06/11/2026 08 AM PDT 56.34 10 0 Normal
06/11/2026 09 AM PDT 56.34 10 0 Normal
06/11/2026 10 AM PDT 56.34 10 0 Normal
06/11/2026 11 AM PDT 56.34 10 0 Normal
06/11/2026 12 PM PDT 56.34 10 0 Normal
06/11/2026 01 PM PDT 56.34 10 0 Normal
06/11/2026 02 PM PDT 56.33 10 - Normal
06/11/2026 03 PM PDT 56.33 10 0 Normal
06/11/2026 04 PM PDT 56.33 10 0 Normal
06/11/2026 05 PM PDT 56.32 9 - Normal
06/11/2026 06 PM PDT 56.32 9 0 Normal
06/11/2026 07 PM PDT 56.32 9 0 Normal
06/11/2026 08 PM PDT 56.32 9 0 Normal
06/11/2026 09 PM PDT 56.32 9 0 Normal
06/11/2026 10 PM PDT 56.32 9 0 Normal
06/11/2026 11 PM PDT 56.32 9 0 Normal
06/12/2026 12 AM PDT 56.31 9 - Normal
06/12/2026 01 AM PDT 56.31 9 0 Normal
06/12/2026 02 AM PDT 56.31 9 0 Normal
06/12/2026 03 AM PDT 56.31 9 0 Normal
06/12/2026 04 AM PDT 56.31 9 0 Normal
06/12/2026 05 AM PDT 56.31 9 0 Normal
06/12/2026 06 AM PDT 56.31 9 0 Normal
06/12/2026 07 AM PDT 56.31 9 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
06/12/2026 08 AM PDT 56.30 9 Normal
06/12/2026 09 AM PDT 56.30 9 0 Normal
06/12/2026 10 AM PDT 56.29 9 - Normal
06/12/2026 11 AM PDT 56.29 9 0 Normal
06/12/2026 12 PM PDT 56.29 9 0 Normal
06/12/2026 01 PM PDT 56.28 9 - Normal
06/12/2026 02 PM PDT 56.28 9 0 Normal
06/12/2026 03 PM PDT 56.27 9 - Normal
06/12/2026 04 PM PDT 56.27 9 0 Normal
06/12/2026 05 PM PDT 56.27 9 0 Normal
06/12/2026 06 PM PDT 56.26 9 - Normal
06/12/2026 07 PM PDT 56.26 9 0 Normal
06/12/2026 08 PM PDT 56.25 9 - Normal
06/12/2026 09 PM PDT 56.25 9 0 Normal
06/12/2026 10 PM PDT 56.24 8 - Normal
06/12/2026 11 PM PDT 56.24 8 0 Normal
06/13/2026 12 AM PDT 56.24 8 0 Normal
06/13/2026 01 AM PDT 56.23 8 - Normal
06/13/2026 02 AM PDT 56.23 8 0 Normal
06/13/2026 03 AM PDT 56.23 8 0 Normal
06/13/2026 04 AM PDT 56.22 8 - Normal
06/13/2026 05 AM PDT 56.22 8 0 Normal
06/13/2026 06 AM PDT 56.22 8 0 Normal
06/13/2026 07 AM PDT 56.21 8 - Normal
06/13/2026 08 AM PDT 56.21 8 0 Normal
06/13/2026 09 AM PDT 56.20 8 - Normal
06/13/2026 10 AM PDT 56.20 8 0 Normal
06/13/2026 11 AM PDT 56.20 8 0 Normal
06/13/2026 12 PM PDT 56.19 8 - Normal
06/13/2026 01 PM PDT 56.19 8 0 Normal
06/13/2026 02 PM PDT 56.19 8 0 Normal
06/13/2026 03 PM PDT 56.19 8 0 Normal
06/13/2026 04 PM PDT 56.18 8 - Normal
06/13/2026 05 PM PDT 56.17 7 - Normal
06/13/2026 06 PM PDT 56.17 7 0 Normal
06/13/2026 07 PM PDT 56.17 7 0 Normal
06/13/2026 08 PM PDT 56.17 7 0 Normal
06/13/2026 09 PM PDT 56.17 7 0 Normal
06/13/2026 10 PM PDT 56.17 7 0 Normal
06/13/2026 11 PM PDT 56.17 7 0 Normal
06/14/2026 12 AM PDT 56.17 7 0 Normal
06/14/2026 01 AM PDT 56.16 7 - Normal
06/14/2026 02 AM PDT 56.16 7 0 Normal
06/14/2026 03 AM PDT 56.16 7 0 Normal
06/14/2026 04 AM PDT 56.16 7 0 Normal
06/14/2026 05 AM PDT 56.16 7 0 Normal
06/14/2026 06 AM PDT 56.16 7 0 Normal
06/14/2026 07 AM PDT 56.16 7 0 Normal
06/14/2026 08 AM PDT 56.16 7 0 Normal
06/14/2026 09 AM PDT 56.15 7 - Normal
06/14/2026 10 AM PDT 56.15 7 0 Normal
06/14/2026 11 AM PDT 56.15 7 0 Normal
06/14/2026 12 PM PDT 56.15 7 0 Normal
06/14/2026 01 PM PDT 56.15 7 0 Normal
06/14/2026 02 PM PDT 56.15 7 0 Normal
06/14/2026 03 PM PDT 56.15 7 0 Normal
06/14/2026 04 PM PDT 56.15 7 0 Normal
06/14/2026 05 PM PDT 56.14 7 - Normal
06/14/2026 06 PM PDT 56.14 7 0 Normal
06/14/2026 07 PM PDT 56.14 7 0 Normal
06/14/2026 08 PM PDT 56.14 7 0 Normal
06/14/2026 09 PM PDT 56.14 7 0 Normal
06/14/2026 10 PM PDT 56.14 7 0 Normal
06/14/2026 11 PM PDT 56.14 7 0 Normal
06/15/2026 12 AM PDT 56.13 7 - Normal
06/15/2026 01 AM PDT 56.13 7 0 Normal
06/15/2026 02 AM PDT 56.13 7 0 Normal
06/15/2026 03 AM PDT 56.13 7 0 Normal
06/15/2026 04 AM PDT 56.13 7 0 Normal
06/15/2026 05 AM PDT 56.13 7 0 Normal
06/15/2026 06 AM PDT 56.13 7 0 Normal
06/15/2026 07 AM PDT 56.12 7 - Normal
06/15/2026 08 AM PDT 56.12 7 0 Normal
06/15/2026 09 AM PDT 56.12 7 0 Normal
06/15/2026 10 AM PDT 56.12 7 0 Normal
06/15/2026 11 AM PDT 56.12 7 0 Normal
06/15/2026 12 PM PDT 56.12 7 0 Normal
06/15/2026 01 PM PDT 56.12 7 0 Normal
06/15/2026 02 PM PDT 56.12 7 0 Normal
06/15/2026 03 PM PDT 56.12 7 0 Normal
06/15/2026 04 PM PDT 56.11 7 - Normal
06/15/2026 05 PM PDT 56.11 7 0 Normal
06/15/2026 06 PM PDT 56.11 7 0 Normal
06/15/2026 07 PM PDT 56.11 7 0 Normal
06/15/2026 08 PM PDT 56.11 7 0 Normal
06/15/2026 09 PM PDT 56.11 7 0 Normal
06/15/2026 10 PM PDT 56.11 7 0 Normal
06/15/2026 11 PM PDT 56.10 7 - Normal
06/16/2026 12 AM PDT 56.10 7 0 Normal
06/16/2026 01 AM PDT 56.10 7 0 Normal
06/16/2026 02 AM PDT 56.10 7 0 Normal
06/16/2026 03 AM PDT 56.10 7 0 Normal
06/16/2026 04 AM PDT 56.10 7 0 Normal
06/16/2026 05 AM PDT 56.10 7 0 Normal
06/16/2026 06 AM PDT 56.09 6 - Normal
06/16/2026 07 AM PDT 56.09 6 0 Normal
06/16/2026 08 AM PDT 56.09 6 0 Normal
06/16/2026 09 AM PDT 56.09 6 0 Normal
06/16/2026 10 AM PDT 56.09 6 0 Normal
06/16/2026 11 AM PDT 56.09 6 0 Normal
06/16/2026 12 PM PDT 56.09 6 0 Normal
06/16/2026 01 PM PDT 56.08 6 - Normal
06/16/2026 02 PM PDT 56.08 6 0 Normal
06/16/2026 03 PM PDT 56.08 6 0 Normal
06/16/2026 04 PM PDT 56.08 6 0 Normal
06/16/2026 05 PM PDT 56.08 6 0 Normal
06/16/2026 06 PM PDT 56.08 6 0 Normal
06/16/2026 07 PM PDT 56.08 6 0 Normal
06/16/2026 08 PM PDT 56.07 6 - Normal
06/16/2026 09 PM PDT 56.07 6 0 Normal
06/16/2026 10 PM PDT 56.07 6 0 Normal
06/16/2026 11 PM PDT 56.07 6 0 Normal
06/17/2026 12 AM PDT 56.07 6 0 Normal
06/17/2026 01 AM PDT 56.07 6 0 Normal
06/17/2026 02 AM PDT 56.07 6 0 Normal
06/17/2026 03 AM PDT 56.06 6 - Normal
06/17/2026 04 AM PDT 56.06 6 0 Normal
06/17/2026 05 AM PDT 56.06 6 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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