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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: | Feb 20 2026 at 1:20 PM PST | Next Issuance: | Feb 21 2026 at 9:00 AM PST
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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: 02/20/2026 at 01:22 PM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 02/18/2026 at 02:00 PM PST
# Maximum Observed Stage: 60.74 Feet
# Maximum Observed Flow: 456 cfs
#
# Earliest Date & Time of Maximum Forecast: 02/25/2026 at 04:00 AM PST
# Maximum Forecast Stage: 62.06 Feet
# Maximum Forecast Flow: 796 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
02/15/2026 01 PM PST 56.91 21 Normal
02/15/2026 02 PM PST 56.91 21 0 Normal
02/15/2026 03 PM PST 56.93 22 + Normal
02/15/2026 04 PM PST 56.95 22 + Normal
02/15/2026 05 PM PST 56.99 24 + Normal
02/15/2026 06 PM PST 57.04 25 + Normal
02/15/2026 07 PM PST 57.11 27 + Normal
02/15/2026 08 PM PST 57.19 30 + Normal
02/15/2026 09 PM PST 57.28 32 + Normal
02/15/2026 10 PM PST 57.35 35 + Normal
02/15/2026 11 PM PST 57.41 37 + Normal
02/16/2026 12 AM PST 57.47 40 + Normal
02/16/2026 01 AM PST 57.52 42 + Normal
02/16/2026 02 AM PST 57.57 44 + Normal
02/16/2026 03 AM PST 57.62 46 + Normal
02/16/2026 04 AM PST 57.67 48 + Normal
02/16/2026 05 AM PST 57.71 50 + Normal
02/16/2026 06 AM PST 57.75 52 + Normal
02/16/2026 07 AM PST 57.80 54 + Normal
02/16/2026 08 AM PST 57.85 57 + Normal
02/16/2026 09 AM PST 57.90 60 + Normal
02/16/2026 10 AM PST 57.96 63 + Normal
02/16/2026 11 AM PST 58.02 66 + Normal
02/16/2026 12 PM PST 58.09 70 + Normal
02/16/2026 01 PM PST 58.15 73 + Normal
02/16/2026 02 PM PST 58.22 77 + Normal
02/16/2026 03 PM PST 58.29 81 + Normal
02/16/2026 04 PM PST 58.39 86 + Normal
02/16/2026 05 PM PST 58.47 92 + Normal
02/16/2026 06 PM PST 58.55 98 + Normal
02/16/2026 07 PM PST 58.63 104 + Normal
02/16/2026 08 PM PST 58.70 112 + Normal
02/16/2026 09 PM PST 58.78 122 + Normal
02/16/2026 10 PM PST 58.85 133 + Normal
02/16/2026 11 PM PST 58.91 142 + Normal
02/17/2026 12 AM PST 58.97 151 + Normal
02/17/2026 01 AM PST 59.03 159 + Normal
02/17/2026 02 AM PST 59.08 167 + Normal
02/17/2026 03 AM PST 59.12 174 + Normal
02/17/2026 04 AM PST 59.15 178 + Normal
02/17/2026 05 AM PST 59.18 182 + Normal
02/17/2026 06 AM PST 59.24 190 + Normal
02/17/2026 07 AM PST 59.29 197 + Normal
02/17/2026 08 AM PST 59.34 203 + Normal
02/17/2026 09 AM PST 59.41 213 + Normal
02/17/2026 10 AM PST 59.47 222 + Normal
02/17/2026 11 AM PST 59.54 232 + Normal
02/17/2026 12 PM PST 59.63 245 + Normal
02/17/2026 01 PM PST 59.71 258 + Normal
02/17/2026 02 PM PST 59.79 271 + Normal
02/17/2026 03 PM PST 59.88 286 + Normal
02/17/2026 04 PM PST 59.96 301 + Normal
02/17/2026 05 PM PST 60.03 313 + Normal
02/17/2026 06 PM PST 60.10 326 + Normal
02/17/2026 07 PM PST 60.16 338 + Normal
02/17/2026 08 PM PST 60.20 347 + Normal
02/17/2026 09 PM PST 60.25 358 + Normal
02/17/2026 10 PM PST 60.29 365 + Normal
02/17/2026 11 PM PST 60.34 375 + Normal
02/18/2026 12 AM PST 60.38 382 + Normal
02/18/2026 01 AM PST 60.43 392 + Normal
02/18/2026 02 AM PST 60.47 400 + Normal
02/18/2026 03 AM PST 60.51 408 + Normal
02/18/2026 04 AM PST 60.56 418 + Normal
02/18/2026 05 AM PST 60.60 427 + Normal
02/18/2026 06 AM PST 60.62 431 + Normal
02/18/2026 07 AM PST 60.66 439 + Normal
02/18/2026 08 AM PST 60.68 443 + Normal
02/18/2026 09 AM PST 60.70 447 + Normal
02/18/2026 10 AM PST 60.72 451 + Normal
02/18/2026 11 AM PST 60.73 454 + Normal
02/18/2026 12 PM PST 60.73 454 0 Normal
02/18/2026 01 PM PST 60.74 456 + Normal
02/18/2026 02 PM PST 60.74 456 0 Normal
02/18/2026 03 PM PST 60.73 454 - Normal
02/18/2026 04 PM PST 60.72 451 - Normal
02/18/2026 05 PM PST 60.71 449 - Normal
02/18/2026 06 PM PST 60.70 447 - Normal
02/18/2026 07 PM PST 60.68 443 - Normal
02/18/2026 08 PM PST 60.66 439 - Normal
02/18/2026 09 PM PST 60.65 437 - Normal
02/18/2026 10 PM PST 60.63 433 - Normal
02/18/2026 11 PM PST 60.61 429 - Normal
02/19/2026 12 AM PST 60.59 425 - Normal
02/19/2026 01 AM PST 60.57 420 - Normal
02/19/2026 02 AM PST 60.55 416 - Normal
02/19/2026 03 AM PST 60.54 414 - Normal
02/19/2026 04 AM PST 60.53 412 - Normal
02/19/2026 05 AM PST 60.51 408 - Normal
02/19/2026 06 AM PST 60.50 406 - Normal
02/19/2026 07 AM PST 60.48 402 - Normal
02/19/2026 08 AM PST 60.47 400 - Normal
02/19/2026 09 AM PST 60.45 396 - Normal
02/19/2026 10 AM PST 60.45 396 0 Normal
02/19/2026 11 AM PST 60.43 392 - Normal
02/19/2026 12 PM PST 60.42 390 - Normal
02/19/2026 01 PM PST 60.40 386 - Normal
02/19/2026 02 PM PST 60.39 384 - Normal
02/19/2026 03 PM PST 60.38 382 - Normal
02/19/2026 04 PM PST 60.37 381 - Normal
02/19/2026 05 PM PST 60.37 381 0 Normal
02/19/2026 06 PM PST 60.35 377 - Normal
02/19/2026 07 PM PST 60.35 377 0 Normal
02/19/2026 08 PM PST 60.34 375 - Normal
02/19/2026 09 PM PST 60.34 375 0 Normal
02/19/2026 10 PM PST 60.35 377 + Normal
02/19/2026 11 PM PST 60.36 379 + Normal
02/20/2026 12 AM PST 60.37 381 + Normal
02/20/2026 01 AM PST 60.38 382 + Normal
02/20/2026 02 AM PST 60.39 384 + Normal
02/20/2026 03 AM PST 60.39 384 0 Normal
02/20/2026 04 AM PST 60.40 386 + Normal
02/20/2026 05 AM PST 60.41 388 + Normal
02/20/2026 06 AM PST 60.41 388 0 Normal
02/20/2026 07 AM PST 60.41 388 0 Normal
02/20/2026 08 AM PST 60.41 388 0 Normal
02/20/2026 09 AM PST 60.40 386 - Normal
02/20/2026 10 AM PST 60.40 386 0 Normal
02/20/2026 11 AM PST 60.39 384 - Normal
02/20/2026 12 PM PST 60.35 377 - Normal
02/20/2026 01 PM PST 60.30 367 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
02/20/2026 02 PM PST 60.26 360 Normal
02/20/2026 03 PM PST 60.21 349 - Normal
02/20/2026 04 PM PST 60.16 338 - Normal
02/20/2026 05 PM PST 60.10 326 - Normal
02/20/2026 06 PM PST 60.05 316 - Normal
02/20/2026 07 PM PST 60.00 308 - Normal
02/20/2026 08 PM PST 59.95 299 - Normal
02/20/2026 09 PM PST 59.90 289 - Normal
02/20/2026 10 PM PST 59.86 282 - Normal
02/20/2026 11 PM PST 59.82 276 - Normal
02/21/2026 12 AM PST 59.78 270 - Normal
02/21/2026 01 AM PST 59.74 263 - Normal
02/21/2026 02 AM PST 59.71 258 - Normal
02/21/2026 03 AM PST 59.69 255 - Normal
02/21/2026 04 AM PST 59.67 252 - Normal
02/21/2026 05 AM PST 59.65 249 - Normal
02/21/2026 06 AM PST 59.63 245 - Normal
02/21/2026 07 AM PST 59.60 241 - Normal
02/21/2026 08 AM PST 59.58 238 - Normal
02/21/2026 09 AM PST 59.55 233 - Normal
02/21/2026 10 AM PST 59.53 230 - Normal
02/21/2026 11 AM PST 59.51 227 - Normal
02/21/2026 12 PM PST 59.48 223 - Normal
02/21/2026 01 PM PST 59.47 222 - Normal
02/21/2026 02 PM PST 59.44 217 - Normal
02/21/2026 03 PM PST 59.43 216 - Normal
02/21/2026 04 PM PST 59.41 213 - Normal
02/21/2026 05 PM PST 59.39 210 - Normal
02/21/2026 06 PM PST 59.38 209 - Normal
02/21/2026 07 PM PST 59.36 206 - Normal
02/21/2026 08 PM PST 59.34 203 - Normal
02/21/2026 09 PM PST 59.32 201 - Normal
02/21/2026 10 PM PST 59.30 198 - Normal
02/21/2026 11 PM PST 59.28 195 - Normal
02/22/2026 12 AM PST 59.26 193 - Normal
02/22/2026 01 AM PST 59.24 190 - Normal
02/22/2026 02 AM PST 59.22 187 - Normal
02/22/2026 03 AM PST 59.20 185 - Normal
02/22/2026 04 AM PST 59.18 182 - Normal
02/22/2026 05 AM PST 59.16 180 - Normal
02/22/2026 06 AM PST 59.13 176 - Normal
02/22/2026 07 AM PST 59.10 170 - Normal
02/22/2026 08 AM PST 59.08 167 - Normal
02/22/2026 09 AM PST 59.05 162 - Normal
02/22/2026 10 AM PST 59.02 157 - Normal
02/22/2026 11 AM PST 58.99 154 - Normal
02/22/2026 12 PM PST 58.97 151 - Normal
02/22/2026 01 PM PST 58.94 147 - Normal
02/22/2026 02 PM PST 58.92 144 - Normal
02/22/2026 03 PM PST 58.89 139 - Normal
02/22/2026 04 PM PST 58.86 135 - Normal
02/22/2026 05 PM PST 58.83 129 - Normal
02/22/2026 06 PM PST 58.81 126 - Normal
02/22/2026 07 PM PST 58.78 122 - Normal
02/22/2026 08 PM PST 58.76 120 - Normal
02/22/2026 09 PM PST 58.74 117 - Normal
02/22/2026 10 PM PST 58.72 115 - Normal
02/22/2026 11 PM PST 58.70 112 - Normal
02/23/2026 12 AM PST 58.68 110 - Normal
02/23/2026 01 AM PST 58.66 108 - Normal
02/23/2026 02 AM PST 58.64 105 - Normal
02/23/2026 03 AM PST 58.62 103 - Normal
02/23/2026 04 AM PST 58.60 102 - Normal
02/23/2026 05 AM PST 58.58 100 - Normal
02/23/2026 06 AM PST 58.57 100 - Normal
02/23/2026 07 AM PST 58.55 98 - Normal
02/23/2026 08 AM PST 58.53 97 - Normal
02/23/2026 09 AM PST 58.52 96 - Normal
02/23/2026 10 AM PST 58.50 94 - Normal
02/23/2026 11 AM PST 58.48 93 - Normal
02/23/2026 12 PM PST 58.46 91 - Normal
02/23/2026 01 PM PST 58.45 91 - Normal
02/23/2026 02 PM PST 58.43 89 - Normal
02/23/2026 03 PM PST 58.41 88 - Normal
02/23/2026 04 PM PST 58.39 86 - Normal
02/23/2026 05 PM PST 58.37 85 - Normal
02/23/2026 06 PM PST 58.36 85 - Normal
02/23/2026 07 PM PST 58.34 84 - Normal
02/23/2026 08 PM PST 58.32 83 - Normal
02/23/2026 09 PM PST 58.30 81 - Normal
02/23/2026 10 PM PST 58.28 80 - Normal
02/23/2026 11 PM PST 58.27 80 - Normal
02/24/2026 12 AM PST 58.25 78 - Normal
02/24/2026 01 AM PST 58.23 77 - Normal
02/24/2026 02 AM PST 58.22 77 - Normal
02/24/2026 03 AM PST 58.20 76 - Normal
02/24/2026 04 AM PST 58.19 75 - Normal
02/24/2026 05 AM PST 58.18 75 - Normal
02/24/2026 06 AM PST 58.16 74 - Normal
02/24/2026 07 AM PST 58.16 74 0 Normal
02/24/2026 08 AM PST 58.17 74 + Normal
02/24/2026 09 AM PST 58.21 76 + Normal
02/24/2026 10 AM PST 58.28 80 + Normal
02/24/2026 11 AM PST 58.39 86 + Normal
02/24/2026 12 PM PST 58.57 100 + Normal
02/24/2026 01 PM PST 58.79 123 + Normal
02/24/2026 02 PM PST 59.00 155 + Normal
02/24/2026 03 PM PST 59.16 180 + Normal
02/24/2026 04 PM PST 59.30 198 + Normal
02/24/2026 05 PM PST 59.47 222 + Normal
02/24/2026 06 PM PST 59.70 257 + Normal
02/24/2026 07 PM PST 59.98 304 + Normal
02/24/2026 08 PM PST 60.31 369 + Normal
02/24/2026 09 PM PST 60.63 433 + Normal
02/24/2026 10 PM PST 60.93 498 + Normal
02/24/2026 11 PM PST 61.19 559 + Normal
02/25/2026 12 AM PST 61.42 616 + Normal
02/25/2026 01 AM PST 61.63 672 + Normal
02/25/2026 02 AM PST 61.81 722 + Normal
02/25/2026 03 AM PST 61.95 763 + Normal
02/25/2026 04 AM PST 62.06 796 + 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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