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MATTOLE RIVER - ETTERSBURG (ETTC1)
| Latitude: 40.14º N | Longitude: 123.99º W | Elevation: 579 Feet | | Forecast Type: Unofficial Location |
| Location: Humboldt County in California | Bulletin Group: North Coast | River Group: North Coast |
| Issuance Time: | Nov 10 2026 at 2:14 PM PST | Next Issuance: | Nov 11 2026 at 9:00 AM PST
| |
| Action: N/A | Minor Flood: N/A | Moderate Flood: N/A | Major Flood: N/A |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Mattole River - Ettersburg (ETTC1)
#
# File Generation Time: 11/10/2026 at 02:15 PM PST
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 11/10/2026 at 09:00 AM PST
# Maximum Observed Stage: 8.46 Feet
# Maximum Observed Flow: 11 cfs
#
# Earliest Date & Time of Maximum Forecast: 11/14/2026 at 05:00 AM PST
# Maximum Forecast Stage: 9.20 Feet
# Maximum Forecast Flow: 69 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
11/05/2026 02 PM PST 8.42 9 Not Applicable
11/05/2026 03 PM PST 8.43 10 + Not Applicable
11/05/2026 04 PM PST 8.43 10 0 Not Applicable
11/05/2026 05 PM PST 8.42 9 - Not Applicable
11/05/2026 06 PM PST 8.42 9 0 Not Applicable
11/05/2026 07 PM PST 8.42 9 0 Not Applicable
11/05/2026 08 PM PST 8.42 9 0 Not Applicable
11/05/2026 09 PM PST 8.42 9 0 Not Applicable
11/05/2026 10 PM PST 8.42 9 0 Not Applicable
11/05/2026 11 PM PST 8.42 9 0 Not Applicable
11/06/2026 12 AM PST 8.42 9 0 Not Applicable
11/06/2026 01 AM PST 8.42 9 0 Not Applicable
11/06/2026 02 AM PST 8.42 9 0 Not Applicable
11/06/2026 03 AM PST 8.41 9 - Not Applicable
11/06/2026 04 AM PST 8.41 9 0 Not Applicable
11/06/2026 05 AM PST 8.41 9 0 Not Applicable
11/06/2026 06 AM PST 8.41 9 0 Not Applicable
11/06/2026 07 AM PST 8.41 9 0 Not Applicable
11/06/2026 08 AM PST 8.41 9 0 Not Applicable
11/06/2026 09 AM PST 8.41 9 0 Not Applicable
11/06/2026 10 AM PST 8.41 9 0 Not Applicable
11/06/2026 11 AM PST 8.41 9 0 Not Applicable
11/06/2026 12 PM PST 8.41 9 0 Not Applicable
11/06/2026 01 PM PST 8.41 9 0 Not Applicable
11/06/2026 02 PM PST 8.41 9 0 Not Applicable
11/06/2026 03 PM PST 8.41 9 0 Not Applicable
11/06/2026 04 PM PST 8.41 9 0 Not Applicable
11/06/2026 05 PM PST 8.41 9 0 Not Applicable
11/06/2026 06 PM PST 8.41 9 0 Not Applicable
11/06/2026 07 PM PST 8.41 9 0 Not Applicable
11/06/2026 08 PM PST 8.41 9 0 Not Applicable
11/06/2026 09 PM PST 8.40 9 - Not Applicable
11/06/2026 10 PM PST 8.40 9 0 Not Applicable
11/06/2026 11 PM PST 8.40 9 0 Not Applicable
11/07/2026 12 AM PST 8.40 9 0 Not Applicable
11/07/2026 01 AM PST 8.40 9 0 Not Applicable
11/07/2026 02 AM PST 8.40 9 0 Not Applicable
11/07/2026 03 AM PST 8.40 9 0 Not Applicable
11/07/2026 04 AM PST 8.40 9 0 Not Applicable
11/07/2026 05 AM PST 8.40 9 0 Not Applicable
11/07/2026 06 AM PST 8.40 9 0 Not Applicable
11/07/2026 07 AM PST 8.40 9 0 Not Applicable
11/07/2026 08 AM PST 8.40 9 0 Not Applicable
11/07/2026 09 AM PST 8.40 9 0 Not Applicable
11/07/2026 10 AM PST 8.40 9 0 Not Applicable
11/07/2026 11 AM PST 8.40 9 0 Not Applicable
11/07/2026 12 PM PST 8.40 9 0 Not Applicable
11/07/2026 01 PM PST 8.41 9 + Not Applicable
11/07/2026 02 PM PST 8.40 9 - Not Applicable
11/07/2026 03 PM PST 8.40 9 0 Not Applicable
11/07/2026 04 PM PST 8.41 9 + Not Applicable
11/07/2026 05 PM PST 8.40 9 - Not Applicable
11/07/2026 06 PM PST 8.41 9 + Not Applicable
11/07/2026 07 PM PST 8.41 9 0 Not Applicable
11/07/2026 08 PM PST 8.41 9 0 Not Applicable
11/07/2026 09 PM PST 8.40 9 - Not Applicable
11/07/2026 10 PM PST 8.40 9 0 Not Applicable
11/07/2026 11 PM PST 8.40 9 0 Not Applicable
11/08/2026 12 AM PST 8.40 9 0 Not Applicable
11/08/2026 01 AM PST 8.41 9 + Not Applicable
11/08/2026 02 AM PST 8.40 9 - Not Applicable
11/08/2026 03 AM PST 8.40 9 0 Not Applicable
11/08/2026 04 AM PST 8.40 9 0 Not Applicable
11/08/2026 05 AM PST 8.40 9 0 Not Applicable
11/08/2026 06 AM PST 8.40 9 0 Not Applicable
11/08/2026 07 AM PST 8.40 9 0 Not Applicable
11/08/2026 08 AM PST 8.40 9 0 Not Applicable
11/08/2026 09 AM PST 8.40 9 0 Not Applicable
11/08/2026 10 AM PST 8.40 9 0 Not Applicable
11/08/2026 11 AM PST 8.41 9 + Not Applicable
11/08/2026 12 PM PST 8.41 9 0 Not Applicable
11/08/2026 01 PM PST 8.41 9 0 Not Applicable
11/08/2026 02 PM PST 8.41 9 0 Not Applicable
11/08/2026 03 PM PST 8.41 9 0 Not Applicable
11/08/2026 04 PM PST 8.41 9 0 Not Applicable
11/08/2026 05 PM PST 8.41 9 0 Not Applicable
11/08/2026 06 PM PST 8.41 9 0 Not Applicable
11/08/2026 07 PM PST 8.41 9 0 Not Applicable
11/08/2026 08 PM PST 8.41 9 0 Not Applicable
11/08/2026 09 PM PST 8.41 9 0 Not Applicable
11/08/2026 10 PM PST 8.41 9 0 Not Applicable
11/08/2026 11 PM PST 8.41 9 0 Not Applicable
11/09/2026 12 AM PST 8.41 9 0 Not Applicable
11/09/2026 01 AM PST 8.42 9 + Not Applicable
11/09/2026 02 AM PST 8.42 9 0 Not Applicable
11/09/2026 03 AM PST 8.42 9 0 Not Applicable
11/09/2026 04 AM PST 8.42 9 0 Not Applicable
11/09/2026 05 AM PST 8.42 9 0 Not Applicable
11/09/2026 06 AM PST 8.42 9 0 Not Applicable
11/09/2026 07 AM PST 8.42 9 0 Not Applicable
11/09/2026 08 AM PST 8.42 9 0 Not Applicable
11/09/2026 09 AM PST 8.42 9 0 Not Applicable
11/09/2026 10 AM PST 8.42 9 0 Not Applicable
11/09/2026 11 AM PST 8.42 9 0 Not Applicable
11/09/2026 12 PM PST 8.42 9 0 Not Applicable
11/09/2026 01 PM PST 8.42 9 0 Not Applicable
11/09/2026 02 PM PST 8.42 9 0 Not Applicable
11/09/2026 03 PM PST 8.43 10 + Not Applicable
11/09/2026 04 PM PST 8.43 10 0 Not Applicable
11/09/2026 05 PM PST 8.43 10 0 Not Applicable
11/09/2026 06 PM PST 8.43 10 0 Not Applicable
11/09/2026 07 PM PST 8.43 10 0 Not Applicable
11/09/2026 08 PM PST 8.43 10 0 Not Applicable
11/09/2026 09 PM PST 8.43 10 0 Not Applicable
11/09/2026 10 PM PST 8.43 10 0 Not Applicable
11/09/2026 11 PM PST 8.43 10 0 Not Applicable
11/10/2026 12 AM PST 8.43 10 0 Not Applicable
11/10/2026 01 AM PST 8.43 10 0 Not Applicable
11/10/2026 02 AM PST 8.44 10 + Not Applicable
11/10/2026 03 AM PST 8.44 10 0 Not Applicable
11/10/2026 04 AM PST 8.44 10 0 Not Applicable
11/10/2026 05 AM PST 8.44 10 0 Not Applicable
11/10/2026 06 AM PST 8.45 11 + Not Applicable
11/10/2026 07 AM PST 8.45 11 0 Not Applicable
11/10/2026 08 AM PST 8.46 11 + Not Applicable
11/10/2026 09 AM PST 8.46 11 0 Not Applicable
11/10/2026 10 AM PST 8.45 11 - Not Applicable
11/10/2026 11 AM PST 8.45 11 0 Not Applicable
11/10/2026 12 PM PST 8.44 10 - Not Applicable
11/10/2026 01 PM PST 8.44 10 0 Not Applicable
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
11/10/2026 02 PM PST 8.43 10 Not Applicable
11/10/2026 03 PM PST 8.43 10 0 Not Applicable
11/10/2026 04 PM PST 8.43 10 0 Not Applicable
11/10/2026 05 PM PST 8.42 9 - Not Applicable
11/10/2026 06 PM PST 8.42 9 0 Not Applicable
11/10/2026 07 PM PST 8.42 9 0 Not Applicable
11/10/2026 08 PM PST 8.42 9 0 Not Applicable
11/10/2026 09 PM PST 8.41 9 - Not Applicable
11/10/2026 10 PM PST 8.41 9 0 Not Applicable
11/10/2026 11 PM PST 8.41 9 0 Not Applicable
11/11/2026 12 AM PST 8.41 9 0 Not Applicable
11/11/2026 01 AM PST 8.41 9 0 Not Applicable
11/11/2026 02 AM PST 8.41 9 0 Not Applicable
11/11/2026 03 AM PST 8.41 9 0 Not Applicable
11/11/2026 04 AM PST 8.41 9 0 Not Applicable
11/11/2026 05 AM PST 8.41 9 0 Not Applicable
11/11/2026 06 AM PST 8.41 9 0 Not Applicable
11/11/2026 07 AM PST 8.41 9 0 Not Applicable
11/11/2026 08 AM PST 8.40 9 - Not Applicable
11/11/2026 09 AM PST 8.40 9 0 Not Applicable
11/11/2026 10 AM PST 8.40 9 0 Not Applicable
11/11/2026 11 AM PST 8.40 9 0 Not Applicable
11/11/2026 12 PM PST 8.40 9 0 Not Applicable
11/11/2026 01 PM PST 8.40 9 0 Not Applicable
11/11/2026 02 PM PST 8.40 9 0 Not Applicable
11/11/2026 03 PM PST 8.40 9 0 Not Applicable
11/11/2026 04 PM PST 8.40 9 0 Not Applicable
11/11/2026 05 PM PST 8.40 9 0 Not Applicable
11/11/2026 06 PM PST 8.40 9 0 Not Applicable
11/11/2026 07 PM PST 8.40 9 0 Not Applicable
11/11/2026 08 PM PST 8.40 9 0 Not Applicable
11/11/2026 09 PM PST 8.40 9 0 Not Applicable
11/11/2026 10 PM PST 8.40 9 0 Not Applicable
11/11/2026 11 PM PST 8.40 9 0 Not Applicable
11/12/2026 12 AM PST 8.40 9 0 Not Applicable
11/12/2026 01 AM PST 8.40 9 0 Not Applicable
11/12/2026 02 AM PST 8.40 9 0 Not Applicable
11/12/2026 03 AM PST 8.40 9 0 Not Applicable
11/12/2026 04 AM PST 8.40 9 0 Not Applicable
11/12/2026 05 AM PST 8.40 9 0 Not Applicable
11/12/2026 06 AM PST 8.40 9 0 Not Applicable
11/12/2026 07 AM PST 8.40 9 0 Not Applicable
11/12/2026 08 AM PST 8.40 9 0 Not Applicable
11/12/2026 09 AM PST 8.40 9 0 Not Applicable
11/12/2026 10 AM PST 8.40 9 0 Not Applicable
11/12/2026 11 AM PST 8.40 9 0 Not Applicable
11/12/2026 12 PM PST 8.40 9 0 Not Applicable
11/12/2026 01 PM PST 8.40 9 0 Not Applicable
11/12/2026 02 PM PST 8.40 9 0 Not Applicable
11/12/2026 03 PM PST 8.40 9 0 Not Applicable
11/12/2026 04 PM PST 8.40 9 0 Not Applicable
11/12/2026 05 PM PST 8.40 9 0 Not Applicable
11/12/2026 06 PM PST 8.40 9 0 Not Applicable
11/12/2026 07 PM PST 8.40 9 0 Not Applicable
11/12/2026 08 PM PST 8.40 9 0 Not Applicable
11/12/2026 09 PM PST 8.40 9 0 Not Applicable
11/12/2026 10 PM PST 8.40 9 0 Not Applicable
11/12/2026 11 PM PST 8.40 9 0 Not Applicable
11/13/2026 12 AM PST 8.40 9 0 Not Applicable
11/13/2026 01 AM PST 8.40 9 0 Not Applicable
11/13/2026 02 AM PST 8.41 9 + Not Applicable
11/13/2026 03 AM PST 8.41 9 0 Not Applicable
11/13/2026 04 AM PST 8.41 9 0 Not Applicable
11/13/2026 05 AM PST 8.42 9 + Not Applicable
11/13/2026 06 AM PST 8.43 10 + Not Applicable
11/13/2026 07 AM PST 8.45 11 + Not Applicable
11/13/2026 08 AM PST 8.46 11 + Not Applicable
11/13/2026 09 AM PST 8.48 12 + Not Applicable
11/13/2026 10 AM PST 8.53 15 + Not Applicable
11/13/2026 11 AM PST 8.60 19 + Not Applicable
11/13/2026 12 PM PST 8.70 25 + Not Applicable
11/13/2026 01 PM PST 8.80 33 + Not Applicable
11/13/2026 02 PM PST 8.88 39 + Not Applicable
11/13/2026 03 PM PST 8.95 45 + Not Applicable
11/13/2026 04 PM PST 9.01 51 + Not Applicable
11/13/2026 05 PM PST 9.05 55 + Not Applicable
11/13/2026 06 PM PST 9.08 58 + Not Applicable
11/13/2026 07 PM PST 9.10 60 + Not Applicable
11/13/2026 08 PM PST 9.12 62 + Not Applicable
11/13/2026 09 PM PST 9.13 63 + Not Applicable
11/13/2026 10 PM PST 9.13 63 0 Not Applicable
11/13/2026 11 PM PST 9.13 63 0 Not Applicable
11/14/2026 12 AM PST 9.13 63 0 Not Applicable
11/14/2026 01 AM PST 9.13 63 0 Not Applicable
11/14/2026 02 AM PST 9.15 64 + Not Applicable
11/14/2026 03 AM PST 9.17 66 + Not Applicable
11/14/2026 04 AM PST 9.19 68 + Not Applicable
11/14/2026 05 AM PST 9.20 69 + Not Applicable
11/14/2026 06 AM PST 9.20 69 0 Not Applicable
11/14/2026 07 AM PST 9.20 69 0 Not Applicable
11/14/2026 08 AM PST 9.18 67 - Not Applicable
11/14/2026 09 AM PST 9.17 66 - Not Applicable
11/14/2026 10 AM PST 9.15 64 - Not Applicable
11/14/2026 11 AM PST 9.13 63 - Not Applicable
11/14/2026 12 PM PST 9.10 60 - Not Applicable
11/14/2026 01 PM PST 9.08 58 - Not Applicable
11/14/2026 02 PM PST 9.06 56 - Not Applicable
11/14/2026 03 PM PST 9.04 54 - Not Applicable
11/14/2026 04 PM PST 9.01 51 - Not Applicable
11/14/2026 05 PM PST 8.99 49 - Not Applicable
11/14/2026 06 PM PST 8.97 47 - Not Applicable
11/14/2026 07 PM PST 8.95 45 - Not Applicable
11/14/2026 08 PM PST 8.93 44 - Not Applicable
11/14/2026 09 PM PST 8.91 42 - Not Applicable
11/14/2026 10 PM PST 8.89 40 - Not Applicable
11/14/2026 11 PM PST 8.87 38 - Not Applicable
11/15/2026 12 AM PST 8.86 38 - Not Applicable
11/15/2026 01 AM PST 8.86 38 0 Not Applicable
11/15/2026 02 AM PST 8.86 38 0 Not Applicable
11/15/2026 03 AM PST 8.86 38 0 Not Applicable
11/15/2026 04 AM PST 8.87 38 + Not Applicable
#
# 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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