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SAN LORENZO RIVER - BIG TREES (BTEC1)
| Latitude: 37.04º N | Longitude: 122.07º W | Elevation: 227 Feet | | Forecast Type: Official Location |
| Location: Santa Cruz County in California | Bulletin Group: Central Coast | River Group: Salinas/Pajaro |
| Issuance Time: | Mar 30 2026 at 2:09 PM PDT | Next Issuance: | Mar 31 2026 at 9:00 AM PDT
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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: 03/30/2026 at 02:09 PM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 03/27/2026 at 02:00 PM PDT
# Maximum Observed Stage: 4.00 Feet
# Maximum Observed Flow: 62 cfs
#
# Earliest Date & Time of Maximum Forecast: 03/30/2026 at 03:00 PM PDT
# Maximum Forecast Stage: 3.94 Feet
# Maximum Forecast Flow: 57 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
03/25/2026 02 PM PDT 3.98 61 Normal
03/25/2026 03 PM PDT 3.97 60 - Normal
03/25/2026 04 PM PDT 3.97 60 0 Normal
03/25/2026 05 PM PDT 3.98 61 + Normal
03/25/2026 06 PM PDT 3.97 60 - Normal
03/25/2026 07 PM PDT 3.97 60 0 Normal
03/25/2026 08 PM PDT 3.97 60 0 Normal
03/25/2026 09 PM PDT 3.97 60 0 Normal
03/25/2026 10 PM PDT 3.97 60 0 Normal
03/25/2026 11 PM PDT 3.97 60 0 Normal
03/26/2026 12 AM PDT 3.97 60 0 Normal
03/26/2026 01 AM PDT 3.97 60 0 Normal
03/26/2026 02 AM PDT 3.97 60 0 Normal
03/26/2026 03 AM PDT 3.97 60 0 Normal
03/26/2026 04 AM PDT 3.97 60 0 Normal
03/26/2026 05 AM PDT 3.97 60 0 Normal
03/26/2026 06 AM PDT 3.97 60 0 Normal
03/26/2026 07 AM PDT 3.97 60 0 Normal
03/26/2026 08 AM PDT 3.97 60 0 Normal
03/26/2026 09 AM PDT 3.97 60 0 Normal
03/26/2026 10 AM PDT 3.97 60 0 Normal
03/26/2026 11 AM PDT 3.97 60 0 Normal
03/26/2026 12 PM PDT 3.97 60 0 Normal
03/26/2026 01 PM PDT 3.97 60 0 Normal
03/26/2026 02 PM PDT 3.98 61 + Normal
03/26/2026 03 PM PDT 3.99 61 + Normal
03/26/2026 04 PM PDT 4.00 62 + Normal
03/26/2026 05 PM PDT 4.00 62 0 Normal
03/26/2026 06 PM PDT 3.99 61 - Normal
03/26/2026 07 PM PDT 3.99 61 0 Normal
03/26/2026 08 PM PDT 3.99 61 0 Normal
03/26/2026 09 PM PDT 3.99 61 0 Normal
03/26/2026 10 PM PDT 3.99 61 0 Normal
03/26/2026 11 PM PDT 3.99 61 0 Normal
03/27/2026 12 AM PDT 3.99 61 0 Normal
03/27/2026 01 AM PDT 3.99 61 0 Normal
03/27/2026 02 AM PDT 3.99 61 0 Normal
03/27/2026 03 AM PDT 3.99 61 0 Normal
03/27/2026 04 AM PDT 3.98 61 - Normal
03/27/2026 05 AM PDT 3.98 61 0 Normal
03/27/2026 06 AM PDT 3.99 61 + Normal
03/27/2026 07 AM PDT 3.98 61 - Normal
03/27/2026 08 AM PDT 3.98 61 0 Normal
03/27/2026 09 AM PDT 3.98 61 0 Normal
03/27/2026 10 AM PDT 3.98 61 0 Normal
03/27/2026 11 AM PDT 3.99 61 + Normal
03/27/2026 12 PM PDT 3.99 61 0 Normal
03/27/2026 01 PM PDT 4.00 62 + Normal
03/27/2026 02 PM PDT 4.00 62 0 Normal
03/27/2026 03 PM PDT 3.99 61 - Normal
03/27/2026 04 PM PDT 3.99 61 0 Normal
03/27/2026 05 PM PDT 3.99 61 0 Normal
03/27/2026 06 PM PDT 3.97 60 - Normal
03/27/2026 07 PM PDT 3.97 60 0 Normal
03/27/2026 08 PM PDT 3.97 60 0 Normal
03/27/2026 09 PM PDT 3.97 60 0 Normal
03/27/2026 10 PM PDT 3.97 60 0 Normal
03/27/2026 11 PM PDT 3.97 60 0 Normal
03/28/2026 12 AM PDT 3.97 60 0 Normal
03/28/2026 01 AM PDT 3.97 60 0 Normal
03/28/2026 02 AM PDT 3.97 60 0 Normal
03/28/2026 03 AM PDT 3.97 60 0 Normal
03/28/2026 04 AM PDT 3.97 60 0 Normal
03/28/2026 05 AM PDT 3.97 60 0 Normal
03/28/2026 06 AM PDT 3.98 61 + Normal
03/28/2026 07 AM PDT 3.98 61 0 Normal
03/28/2026 08 AM PDT 3.98 61 0 Normal
03/28/2026 09 AM PDT 3.97 60 - Normal
03/28/2026 10 AM PDT 3.97 60 0 Normal
03/28/2026 11 AM PDT 3.96 59 - Normal
03/28/2026 12 PM PDT 3.97 60 + Normal
03/28/2026 01 PM PDT 3.97 60 0 Normal
03/28/2026 02 PM PDT 3.95 58 - Normal
03/28/2026 03 PM PDT 3.96 59 + Normal
03/28/2026 04 PM PDT 3.96 59 0 Normal
03/28/2026 05 PM PDT 3.96 59 0 Normal
03/28/2026 06 PM PDT 3.95 58 - Normal
03/28/2026 07 PM PDT 3.95 58 0 Normal
03/28/2026 08 PM PDT 3.95 58 0 Normal
03/28/2026 09 PM PDT 3.95 58 0 Normal
03/28/2026 10 PM PDT 3.95 58 0 Normal
03/28/2026 11 PM PDT 3.95 58 0 Normal
03/29/2026 12 AM PDT 3.95 58 0 Normal
03/29/2026 01 AM PDT 3.95 58 0 Normal
03/29/2026 02 AM PDT 3.95 58 0 Normal
03/29/2026 03 AM PDT 3.95 58 0 Normal
03/29/2026 04 AM PDT 3.95 58 0 Normal
03/29/2026 05 AM PDT 3.96 59 + Normal
03/29/2026 06 AM PDT 3.95 58 - Normal
03/29/2026 07 AM PDT 3.95 58 0 Normal
03/29/2026 08 AM PDT 3.95 58 0 Normal
03/29/2026 09 AM PDT 3.95 58 0 Normal
03/29/2026 10 AM PDT 3.95 58 0 Normal
03/29/2026 11 AM PDT 3.95 58 0 Normal
03/29/2026 12 PM PDT 3.96 59 + Normal
03/29/2026 01 PM PDT 3.95 58 - Normal
03/29/2026 02 PM PDT 3.95 58 0 Normal
03/29/2026 03 PM PDT 3.95 58 0 Normal
03/29/2026 04 PM PDT 3.94 57 - Normal
03/29/2026 05 PM PDT 3.94 57 0 Normal
03/29/2026 06 PM PDT 3.94 57 0 Normal
03/29/2026 07 PM PDT 3.94 57 0 Normal
03/29/2026 08 PM PDT 3.94 57 0 Normal
03/29/2026 09 PM PDT 3.94 57 0 Normal
03/29/2026 10 PM PDT 3.94 57 0 Normal
03/29/2026 11 PM PDT 3.94 57 0 Normal
03/30/2026 12 AM PDT 3.94 57 0 Normal
03/30/2026 01 AM PDT 3.94 57 0 Normal
03/30/2026 02 AM PDT 3.94 57 0 Normal
03/30/2026 03 AM PDT 3.94 57 0 Normal
03/30/2026 04 AM PDT 3.94 57 0 Normal
03/30/2026 05 AM PDT 3.94 57 0 Normal
03/30/2026 06 AM PDT 3.93 56 - Normal
03/30/2026 07 AM PDT 3.94 57 + Normal
03/30/2026 08 AM PDT 3.93 56 - Normal
03/30/2026 09 AM PDT 3.93 56 0 Normal
03/30/2026 10 AM PDT 3.94 57 + Normal
03/30/2026 11 AM PDT 3.94 57 0 Normal
03/30/2026 12 PM PDT 3.94 57 0 Normal
03/30/2026 01 PM PDT 3.94 57 0 Normal
03/30/2026 02 PM PDT 3.94 57 0 Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
03/30/2026 03 PM PDT 3.94 57 Normal
03/30/2026 04 PM PDT 3.94 57 0 Normal
03/30/2026 05 PM PDT 3.94 57 0 Normal
03/30/2026 06 PM PDT 3.94 57 0 Normal
03/30/2026 07 PM PDT 3.93 56 - Normal
03/30/2026 08 PM PDT 3.93 56 0 Normal
03/30/2026 09 PM PDT 3.93 56 0 Normal
03/30/2026 10 PM PDT 3.93 56 0 Normal
03/30/2026 11 PM PDT 3.93 56 0 Normal
03/31/2026 12 AM PDT 3.93 56 0 Normal
03/31/2026 01 AM PDT 3.93 56 0 Normal
03/31/2026 02 AM PDT 3.93 56 0 Normal
03/31/2026 03 AM PDT 3.93 56 0 Normal
03/31/2026 04 AM PDT 3.93 56 0 Normal
03/31/2026 05 AM PDT 3.93 56 0 Normal
03/31/2026 06 AM PDT 3.93 56 0 Normal
03/31/2026 07 AM PDT 3.93 56 0 Normal
03/31/2026 08 AM PDT 3.92 55 - Normal
03/31/2026 09 AM PDT 3.92 55 0 Normal
03/31/2026 10 AM PDT 3.92 55 0 Normal
03/31/2026 11 AM PDT 3.92 55 0 Normal
03/31/2026 12 PM PDT 3.92 55 0 Normal
03/31/2026 01 PM PDT 3.92 55 0 Normal
03/31/2026 02 PM PDT 3.92 55 0 Normal
03/31/2026 03 PM PDT 3.92 55 0 Normal
03/31/2026 04 PM PDT 3.92 55 0 Normal
03/31/2026 05 PM PDT 3.93 56 + Normal
03/31/2026 06 PM PDT 3.94 57 + Normal
03/31/2026 07 PM PDT 3.94 57 0 Normal
03/31/2026 08 PM PDT 3.94 57 0 Normal
03/31/2026 09 PM PDT 3.94 57 0 Normal
03/31/2026 10 PM PDT 3.93 56 - Normal
03/31/2026 11 PM PDT 3.93 56 0 Normal
04/01/2026 12 AM PDT 3.92 55 - Normal
04/01/2026 01 AM PDT 3.92 55 0 Normal
04/01/2026 02 AM PDT 3.92 55 0 Normal
04/01/2026 03 AM PDT 3.92 55 0 Normal
04/01/2026 04 AM PDT 3.91 55 - Normal
04/01/2026 05 AM PDT 3.91 55 0 Normal
04/01/2026 06 AM PDT 3.91 55 0 Normal
04/01/2026 07 AM PDT 3.91 55 0 Normal
04/01/2026 08 AM PDT 3.91 55 0 Normal
04/01/2026 09 AM PDT 3.91 55 0 Normal
04/01/2026 10 AM PDT 3.91 55 0 Normal
04/01/2026 11 AM PDT 3.91 55 0 Normal
04/01/2026 12 PM PDT 3.91 55 0 Normal
04/01/2026 01 PM PDT 3.91 55 0 Normal
04/01/2026 02 PM PDT 3.90 54 - Normal
04/01/2026 03 PM PDT 3.90 54 0 Normal
04/01/2026 04 PM PDT 3.90 54 0 Normal
04/01/2026 05 PM PDT 3.90 54 0 Normal
04/01/2026 06 PM PDT 3.91 55 + Normal
04/01/2026 07 PM PDT 3.91 55 0 Normal
04/01/2026 08 PM PDT 3.91 55 0 Normal
04/01/2026 09 PM PDT 3.92 55 + Normal
04/01/2026 10 PM PDT 3.92 55 0 Normal
04/01/2026 11 PM PDT 3.92 55 0 Normal
04/02/2026 12 AM PDT 3.92 55 0 Normal
04/02/2026 01 AM PDT 3.92 55 0 Normal
04/02/2026 02 AM PDT 3.92 55 0 Normal
04/02/2026 03 AM PDT 3.91 55 - Normal
04/02/2026 04 AM PDT 3.91 55 0 Normal
04/02/2026 05 AM PDT 3.91 55 0 Normal
04/02/2026 06 AM PDT 3.91 55 0 Normal
04/02/2026 07 AM PDT 3.92 55 + Normal
04/02/2026 08 AM PDT 3.92 55 0 Normal
04/02/2026 09 AM PDT 3.92 55 0 Normal
04/02/2026 10 AM PDT 3.92 55 0 Normal
04/02/2026 11 AM PDT 3.92 55 0 Normal
04/02/2026 12 PM PDT 3.92 55 0 Normal
04/02/2026 01 PM PDT 3.92 55 0 Normal
04/02/2026 02 PM PDT 3.91 55 - Normal
04/02/2026 03 PM PDT 3.90 54 - Normal
04/02/2026 04 PM PDT 3.90 54 0 Normal
04/02/2026 05 PM PDT 3.90 54 0 Normal
04/02/2026 06 PM PDT 3.89 53 - Normal
04/02/2026 07 PM PDT 3.89 53 0 Normal
04/02/2026 08 PM PDT 3.89 53 0 Normal
04/02/2026 09 PM PDT 3.89 53 0 Normal
04/02/2026 10 PM PDT 3.88 52 - Normal
04/02/2026 11 PM PDT 3.88 52 0 Normal
04/03/2026 12 AM PDT 3.88 52 0 Normal
04/03/2026 01 AM PDT 3.88 52 0 Normal
04/03/2026 02 AM PDT 3.88 52 0 Normal
04/03/2026 03 AM PDT 3.88 52 0 Normal
04/03/2026 04 AM PDT 3.88 52 0 Normal
04/03/2026 05 AM PDT 3.88 52 0 Normal
04/03/2026 06 AM PDT 3.88 52 0 Normal
04/03/2026 07 AM PDT 3.88 52 0 Normal
04/03/2026 08 AM PDT 3.88 52 0 Normal
04/03/2026 09 AM PDT 3.88 52 0 Normal
04/03/2026 10 AM PDT 3.88 52 0 Normal
04/03/2026 11 AM PDT 3.88 52 0 Normal
04/03/2026 12 PM PDT 3.88 52 0 Normal
04/03/2026 01 PM PDT 3.87 51 - Normal
04/03/2026 02 PM PDT 3.87 51 0 Normal
04/03/2026 03 PM PDT 3.87 51 0 Normal
04/03/2026 04 PM PDT 3.87 51 0 Normal
04/03/2026 05 PM PDT 3.87 51 0 Normal
04/03/2026 06 PM PDT 3.87 51 0 Normal
04/03/2026 07 PM PDT 3.87 51 0 Normal
04/03/2026 08 PM PDT 3.87 51 0 Normal
04/03/2026 09 PM PDT 3.87 51 0 Normal
04/03/2026 10 PM PDT 3.87 51 0 Normal
04/03/2026 11 PM PDT 3.87 51 0 Normal
04/04/2026 12 AM PDT 3.87 51 0 Normal
04/04/2026 01 AM PDT 3.87 51 0 Normal
04/04/2026 02 AM PDT 3.87 51 0 Normal
04/04/2026 03 AM PDT 3.87 51 0 Normal
04/04/2026 04 AM PDT 3.87 51 0 Normal
04/04/2026 05 AM PDT 3.86 50 - 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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