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SAN LORENZO RIVER - BIG TREES (BTEC1)
| Latitude: 37.04º N | Longitude: 122.07º W | Elevation: 227 Feet | | | |
| Location: Santa Cruz County in California | Bulletin Group: Central Coast | River Group: Salinas/Pajaro |
| Issuance Time: | Jan 22 2026 at 1:23 PM PST | Next Issuance: | Jan 23 2026 at 9:00 AM PST
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| Action/Monitor: 14.0 Feet | Minor Flood: 16.5 Feet | Moderate Flood: 19.5 Feet | Major Flood: 21.76 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: San Lorenzo River - Big Trees (BTEC1)
#
# File Generation Time: 01/22/2026 at 01:23 PM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 01/17/2026 at 04:00 PM PST
# Maximum Observed Stage: 4.37 Feet
# Maximum Observed Flow: 103 cfs
#
# Earliest Date & Time of Maximum Forecast: 01/22/2026 at 02:00 PM PST
# Maximum Forecast Stage: 4.16 Feet
# Maximum Forecast Flow: 81 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
01/17/2026 01 PM PST 4.37 103 Normal
01/17/2026 02 PM PST 4.37 103 0 Normal
01/17/2026 03 PM PST 4.37 103 0 Normal
01/17/2026 04 PM PST 4.37 103 0 Normal
01/17/2026 05 PM PST 4.36 102 - Normal
01/17/2026 06 PM PST 4.36 102 0 Normal
01/17/2026 07 PM PST 4.36 102 0 Normal
01/17/2026 08 PM PST 4.36 102 0 Normal
01/17/2026 09 PM PST 4.36 102 0 Normal
01/17/2026 10 PM PST 4.36 102 0 Normal
01/17/2026 11 PM PST 4.36 102 0 Normal
01/18/2026 12 AM PST 4.35 101 - Normal
01/18/2026 01 AM PST 4.35 101 0 Normal
01/18/2026 02 AM PST 4.35 101 0 Normal
01/18/2026 03 AM PST 4.35 101 0 Normal
01/18/2026 04 AM PST 4.34 100 - Normal
01/18/2026 05 AM PST 4.34 100 0 Normal
01/18/2026 06 AM PST 4.34 100 0 Normal
01/18/2026 07 AM PST 4.33 99 - Normal
01/18/2026 08 AM PST 4.33 99 0 Normal
01/18/2026 09 AM PST 4.33 99 0 Normal
01/18/2026 10 AM PST 4.33 99 0 Normal
01/18/2026 11 AM PST 4.32 98 - Normal
01/18/2026 12 PM PST 4.32 98 0 Normal
01/18/2026 01 PM PST 4.32 98 0 Normal
01/18/2026 02 PM PST 4.32 98 0 Normal
01/18/2026 03 PM PST 4.32 98 0 Normal
01/18/2026 04 PM PST 4.32 98 0 Normal
01/18/2026 05 PM PST 4.32 98 0 Normal
01/18/2026 06 PM PST 4.32 98 0 Normal
01/18/2026 07 PM PST 4.32 98 0 Normal
01/18/2026 08 PM PST 4.32 98 0 Normal
01/18/2026 09 PM PST 4.31 96 - Normal
01/18/2026 10 PM PST 4.31 96 0 Normal
01/18/2026 11 PM PST 4.31 96 0 Normal
01/19/2026 12 AM PST 4.31 96 0 Normal
01/19/2026 01 AM PST 4.30 95 - Normal
01/19/2026 02 AM PST 4.30 95 0 Normal
01/19/2026 03 AM PST 4.30 95 0 Normal
01/19/2026 04 AM PST 4.30 95 0 Normal
01/19/2026 05 AM PST 4.30 95 0 Normal
01/19/2026 06 AM PST 4.30 95 0 Normal
01/19/2026 07 AM PST 4.30 95 0 Normal
01/19/2026 08 AM PST 4.28 93 - Normal
01/19/2026 09 AM PST 4.29 94 + Normal
01/19/2026 10 AM PST 4.28 93 - Normal
01/19/2026 11 AM PST 4.29 94 + Normal
01/19/2026 12 PM PST 4.27 92 - Normal
01/19/2026 01 PM PST 4.28 93 + Normal
01/19/2026 02 PM PST 4.27 92 - Normal
01/19/2026 03 PM PST 4.28 93 + Normal
01/19/2026 04 PM PST 4.28 93 0 Normal
01/19/2026 05 PM PST 4.28 93 0 Normal
01/19/2026 06 PM PST 4.27 92 - Normal
01/19/2026 07 PM PST 4.28 93 + Normal
01/19/2026 08 PM PST 4.27 92 - Normal
01/19/2026 09 PM PST 4.27 92 0 Normal
01/19/2026 10 PM PST 4.27 92 0 Normal
01/19/2026 11 PM PST 4.27 92 0 Normal
01/20/2026 12 AM PST 4.27 92 0 Normal
01/20/2026 01 AM PST 4.26 91 - Normal
01/20/2026 02 AM PST 4.26 91 0 Normal
01/20/2026 03 AM PST 4.26 91 0 Normal
01/20/2026 04 AM PST 4.25 90 - Normal
01/20/2026 05 AM PST 4.26 91 + Normal
01/20/2026 06 AM PST 4.25 90 - Normal
01/20/2026 07 AM PST 4.24 89 - Normal
01/20/2026 08 AM PST 4.25 90 + Normal
01/20/2026 09 AM PST 4.26 91 + Normal
01/20/2026 10 AM PST 4.24 89 - Normal
01/20/2026 11 AM PST 4.24 89 0 Normal
01/20/2026 12 PM PST 4.24 89 0 Normal
01/20/2026 01 PM PST 4.24 89 0 Normal
01/20/2026 02 PM PST 4.24 89 0 Normal
01/20/2026 03 PM PST 4.24 89 0 Normal
01/20/2026 04 PM PST 4.24 89 0 Normal
01/20/2026 05 PM PST 4.23 88 - Normal
01/20/2026 06 PM PST 4.23 88 0 Normal
01/20/2026 07 PM PST 4.23 88 0 Normal
01/20/2026 08 PM PST 4.23 88 0 Normal
01/20/2026 09 PM PST 4.23 88 0 Normal
01/20/2026 10 PM PST 4.23 88 0 Normal
01/20/2026 11 PM PST 4.23 88 0 Normal
01/21/2026 12 AM PST 4.22 87 - Normal
01/21/2026 01 AM PST 4.22 87 0 Normal
01/21/2026 02 AM PST 4.22 87 0 Normal
01/21/2026 03 AM PST 4.22 87 0 Normal
01/21/2026 04 AM PST 4.22 87 0 Normal
01/21/2026 05 AM PST 4.22 87 0 Normal
01/21/2026 06 AM PST 4.22 87 0 Normal
01/21/2026 07 AM PST 4.21 86 - Normal
01/21/2026 08 AM PST 4.21 86 0 Normal
01/21/2026 09 AM PST 4.21 86 0 Normal
01/21/2026 10 AM PST 4.20 85 - Normal
01/21/2026 11 AM PST 4.21 86 + Normal
01/21/2026 12 PM PST 4.20 85 - Normal
01/21/2026 01 PM PST 4.18 83 - Normal
01/21/2026 02 PM PST 4.20 85 + Normal
01/21/2026 03 PM PST 4.20 85 0 Normal
01/21/2026 04 PM PST 4.20 85 0 Normal
01/21/2026 05 PM PST 4.19 84 - Normal
01/21/2026 06 PM PST 4.20 85 + Normal
01/21/2026 07 PM PST 4.20 85 0 Normal
01/21/2026 08 PM PST 4.19 84 - Normal
01/21/2026 09 PM PST 4.19 84 0 Normal
01/21/2026 10 PM PST 4.19 84 0 Normal
01/21/2026 11 PM PST 4.19 84 0 Normal
01/22/2026 12 AM PST 4.19 84 0 Normal
01/22/2026 01 AM PST 4.19 84 0 Normal
01/22/2026 02 AM PST 4.19 84 0 Normal
01/22/2026 03 AM PST 4.19 84 0 Normal
01/22/2026 04 AM PST 4.19 84 0 Normal
01/22/2026 05 AM PST 4.18 83 - Normal
01/22/2026 06 AM PST 4.18 83 0 Normal
01/22/2026 07 AM PST 4.19 84 + Normal
01/22/2026 08 AM PST 4.18 83 - Normal
01/22/2026 09 AM PST 4.18 83 0 Normal
01/22/2026 10 AM PST 4.18 83 0 Normal
01/22/2026 11 AM PST 4.17 82 - Normal
01/22/2026 12 PM PST 4.16 81 - Normal
01/22/2026 01 PM PST 4.16 81 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
01/22/2026 02 PM PST 4.16 81 Normal
01/22/2026 03 PM PST 4.16 81 0 Normal
01/22/2026 04 PM PST 4.15 80 - Normal
01/22/2026 05 PM PST 4.15 80 0 Normal
01/22/2026 06 PM PST 4.15 80 0 Normal
01/22/2026 07 PM PST 4.15 80 0 Normal
01/22/2026 08 PM PST 4.14 79 - Normal
01/22/2026 09 PM PST 4.14 79 0 Normal
01/22/2026 10 PM PST 4.14 79 0 Normal
01/22/2026 11 PM PST 4.14 79 0 Normal
01/23/2026 12 AM PST 4.14 79 0 Normal
01/23/2026 01 AM PST 4.14 79 0 Normal
01/23/2026 02 AM PST 4.13 78 - Normal
01/23/2026 03 AM PST 4.13 78 0 Normal
01/23/2026 04 AM PST 4.13 78 0 Normal
01/23/2026 05 AM PST 4.13 78 0 Normal
01/23/2026 06 AM PST 4.13 78 0 Normal
01/23/2026 07 AM PST 4.13 78 0 Normal
01/23/2026 08 AM PST 4.12 77 - Normal
01/23/2026 09 AM PST 4.12 77 0 Normal
01/23/2026 10 AM PST 4.12 77 0 Normal
01/23/2026 11 AM PST 4.12 77 0 Normal
01/23/2026 12 PM PST 4.12 77 0 Normal
01/23/2026 01 PM PST 4.12 77 0 Normal
01/23/2026 02 PM PST 4.12 77 0 Normal
01/23/2026 03 PM PST 4.11 76 - Normal
01/23/2026 04 PM PST 4.11 76 0 Normal
01/23/2026 05 PM PST 4.11 76 0 Normal
01/23/2026 06 PM PST 4.11 76 0 Normal
01/23/2026 07 PM PST 4.11 76 0 Normal
01/23/2026 08 PM PST 4.11 76 0 Normal
01/23/2026 09 PM PST 4.10 75 - Normal
01/23/2026 10 PM PST 4.10 75 0 Normal
01/23/2026 11 PM PST 4.10 75 0 Normal
01/24/2026 12 AM PST 4.10 75 0 Normal
01/24/2026 01 AM PST 4.10 75 0 Normal
01/24/2026 02 AM PST 4.10 75 0 Normal
01/24/2026 03 AM PST 4.09 74 - Normal
01/24/2026 04 AM PST 4.09 74 0 Normal
01/24/2026 05 AM PST 4.09 74 0 Normal
01/24/2026 06 AM PST 4.09 74 0 Normal
01/24/2026 07 AM PST 4.09 74 0 Normal
01/24/2026 08 AM PST 4.09 74 0 Normal
01/24/2026 09 AM PST 4.08 73 - Normal
01/24/2026 10 AM PST 4.08 73 0 Normal
01/24/2026 11 AM PST 4.08 73 0 Normal
01/24/2026 12 PM PST 4.08 73 0 Normal
01/24/2026 01 PM PST 4.08 73 0 Normal
01/24/2026 02 PM PST 4.08 73 0 Normal
01/24/2026 03 PM PST 4.08 73 0 Normal
01/24/2026 04 PM PST 4.08 73 0 Normal
01/24/2026 05 PM PST 4.07 72 - Normal
01/24/2026 06 PM PST 4.07 72 0 Normal
01/24/2026 07 PM PST 4.07 72 0 Normal
01/24/2026 08 PM PST 4.07 72 0 Normal
01/24/2026 09 PM PST 4.07 72 0 Normal
01/24/2026 10 PM PST 4.07 72 0 Normal
01/24/2026 11 PM PST 4.06 71 - Normal
01/25/2026 12 AM PST 4.06 71 0 Normal
01/25/2026 01 AM PST 4.06 71 0 Normal
01/25/2026 02 AM PST 4.06 71 0 Normal
01/25/2026 03 AM PST 4.06 71 0 Normal
01/25/2026 04 AM PST 4.06 71 0 Normal
01/25/2026 05 AM PST 4.05 71 - Normal
01/25/2026 06 AM PST 4.05 71 0 Normal
01/25/2026 07 AM PST 4.05 71 0 Normal
01/25/2026 08 AM PST 4.05 71 0 Normal
01/25/2026 09 AM PST 4.05 71 0 Normal
01/25/2026 10 AM PST 4.05 71 0 Normal
01/25/2026 11 AM PST 4.05 71 0 Normal
01/25/2026 12 PM PST 4.05 71 0 Normal
01/25/2026 01 PM PST 4.04 70 - Normal
01/25/2026 02 PM PST 4.04 70 0 Normal
01/25/2026 03 PM PST 4.04 70 0 Normal
01/25/2026 04 PM PST 4.04 70 0 Normal
01/25/2026 05 PM PST 4.04 70 0 Normal
01/25/2026 06 PM PST 4.04 70 0 Normal
01/25/2026 07 PM PST 4.04 70 0 Normal
01/25/2026 08 PM PST 4.03 69 - Normal
01/25/2026 09 PM PST 4.03 69 0 Normal
01/25/2026 10 PM PST 4.03 69 0 Normal
01/25/2026 11 PM PST 4.03 69 0 Normal
01/26/2026 12 AM PST 4.03 69 0 Normal
01/26/2026 01 AM PST 4.03 69 0 Normal
01/26/2026 02 AM PST 4.03 69 0 Normal
01/26/2026 03 AM PST 4.03 69 0 Normal
01/26/2026 04 AM PST 4.02 68 - Normal
01/26/2026 05 AM PST 4.02 68 0 Normal
01/26/2026 06 AM PST 4.02 68 0 Normal
01/26/2026 07 AM PST 4.02 68 0 Normal
01/26/2026 08 AM PST 4.02 68 0 Normal
01/26/2026 09 AM PST 4.02 68 0 Normal
01/26/2026 10 AM PST 4.02 68 0 Normal
01/26/2026 11 AM PST 4.01 67 - Normal
01/26/2026 12 PM PST 4.01 67 0 Normal
01/26/2026 01 PM PST 4.01 67 0 Normal
01/26/2026 02 PM PST 4.01 67 0 Normal
01/26/2026 03 PM PST 4.01 67 0 Normal
01/26/2026 04 PM PST 4.01 67 0 Normal
01/26/2026 05 PM PST 4.01 67 0 Normal
01/26/2026 06 PM PST 4.00 66 - Normal
01/26/2026 07 PM PST 4.00 66 0 Normal
01/26/2026 08 PM PST 4.00 66 0 Normal
01/26/2026 09 PM PST 4.00 66 0 Normal
01/26/2026 10 PM PST 4.00 66 0 Normal
01/26/2026 11 PM PST 4.00 66 0 Normal
01/27/2026 12 AM PST 4.00 66 0 Normal
01/27/2026 01 AM PST 4.00 66 0 Normal
01/27/2026 02 AM PST 4.00 66 0 Normal
01/27/2026 03 AM PST 3.99 65 - Normal
01/27/2026 04 AM PST 3.99 65 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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